Hazard Plain Automated baseline

Doña Ana County, NM

Risk-assessment baseline packet

County FIPS:
35013
Release:
2026-10
Data as of:
2026-09-30
Storm Events data through:
2026-06-30

Hazard Plain is an independent product built from public federal data. It is not a FEMA document and is not reviewed or endorsed by FEMA or any state agency.

Hazard Plain release 2026-10, as of 2026-09-30.

Summary

Plan status as of 2026-09-30: No approved plan on record. Approvable pending adoption, not yet eligible.

Update: FEMA tracker shows a plan approvable pending adoption.

Highest expected annual loss (FEMA National Risk Index, modeled total; see B1-a): Inland Flooding ($133,241,678 a year), Drought ($10,795,101) and Earthquake ($4,923,161).

The tables that follow are organized by the items of FEMA's Local Mitigation Plan Review Tool, Element B (B1-a to B2-c); each heading says which item its tables support.

Plan clock

Status:
No approved plan on record. Approvable pending adoption, not yet eligible
Plan:
none
Approved:
none
Expires:
none
Update underway:
FEMA tracker shows a plan approvable pending adoption

Not yet eligible: adopt the approved plan.

What changed since your last plan

Not available. No approved plan on record, so there is no approval date to count from.

Sources: 1, 2, 4, 6 (numbered list at the end)

Plan status for every jurisdiction listed in this county

Source: 1

JurisdictionTypeStatusPlanApprovedExpiresDays to expirynegative = days since expiryUpdate underwayNotes
Doña Ana CountyCountyNo approved plan on record. Approvable pending adoption, not yet eligiblenonenonenoneFEMA tracker shows a plan approvable pending adoptionNot yet eligible: adopt the approved plan.
Anthony cityCityNo approved plan on record. Approvable pending adoption, not yet eligiblenonenonenoneFEMA tracker shows a plan approvable pending adoptionNot yet eligible: adopt the approved plan.
Hatch villageVillageNo approved plan on record. Approvable pending adoption, not yet eligiblenonenonenoneFEMA tracker shows a plan approvable pending adoptionNot yet eligible: adopt the approved plan.
Las Cruces cityCityNo approved plan on record. Approvable pending adoption, not yet eligiblenonenonenoneFEMA tracker shows a plan approvable pending adoptionNot yet eligible: adopt the approved plan.
Mesilla townTownNo approved plan on record. Approvable pending adoption, not yet eligiblenonenonenoneFEMA tracker shows a plan approvable pending adoptionNot yet eligible: adopt the approved plan.
Sunland Park cityCityNo approved plan on record. Approvable pending adoption, not yet eligiblenonenonenoneFEMA tracker shows a plan approvable pending adoptionNot yet eligible: adopt the approved plan.
Elephant Butte Irrigation DistrictFlood Control DistrictNo approved plan on record. Approvable pending adoption, not yet eligiblenonenonenoneFEMA tracker shows a plan approvable pending adoptionNot yet eligible: adopt the approved plan.
New Mexico State UniversityCollege/UniversityNo approved plan on record. Approvable pending adoption, not yet eligiblenonenonenoneFEMA tracker shows a plan approvable pending adoptionNot yet eligible: adopt the approved plan.

State plan status and tribal plans in this state: see the state page.

Supports FEMA checklist item B1-a: hazard identification

Hazards NRI does not cover (local data needed)

  • dam failure (incl. upstream dams)
  • levee failure
  • flash flood as its own subtype
  • ice jams
  • debris flows
  • erosion (riverine and coastal)
  • land subsidence and sinkholes
  • expansive soils

The 18 National Risk Index hazards, ranked by expected annual loss (EAL)

Sources: 5, 6

Rank by EALHazardNRI risk ratingEAL ratingEAL buildingsmodeled dollars per yearEAL agriculturemodeled dollars per yearCost of expected deaths and injuriesFEMA's dollar value per year, not property damageEAL total (see note)modeled dollars per yearStorm Events records, 1996 to 2026-06-30countStorm Events coverage note
1Inland FloodingRelatively HighRelatively High$133,123,194$33,755$84,730$133,241,67899
2DroughtRelatively HighRelatively Highn/a$10,795,101n/a$10,795,101111
3EarthquakeRelatively ModerateRelatively Moderate$4,255,191n/a$667,970$4,923,161Storm Events does not record earthquakes.
4Heat WaveRelatively ModerateRelatively Moderate$2,019$67,479$4,283,165$4,352,6631
5Cold WaveRelatively ModerateRelatively Moderate$45,814$29,591$3,110,712$3,186,1181
6HailRelatively HighRelatively Moderate$2,513,671$22,050$195,499$2,731,221101
7LightningVery HighRelatively High$179,176n/a$1,851,269$2,030,4461
8Winter WeatherVery HighRelatively High$309,001$3,189$515,405$827,5957
9WildfireRelatively LowRelatively Low$607,036$150$36,186$643,3720Declared 1 time; no Storm Events record of this type.
10Strong WindRelatively ModerateRelatively Low$235,220$1,898$292,902$530,020186Includes 77 High Wind records (a NOAA non-thunderstorm wind type, outside NRI's Strong Wind definition).
11TornadoVery LowVery Low$102,353$434$86,478$189,2656
12Ice StormRelatively ModerateRelatively Low$122,629n/a$4,757$127,3860Declared 1 time; no Storm Events record of this type.
13HurricaneVery LowVery Low$14,183$4,090$2$18,2750No recorded events in Storm Events since 1996 (data through 2026-06-30).
14LandslideVery LowVery Low$478n/a$60$5380Declared 2 times; no Storm Events record of this type.
15AvalancheVery LowVery Low$0n/a$182$1822
16Volcanic ActivityNo RatingNo Expected Annual Losses$0n/a$0$00No recorded events in Storm Events since 1996 (data through 2026-06-30).

Total = buildings + agriculture + population equivalence; FEMA values each expected death (or 10 injuries) at $13.7 million (2024 dollars).

NRI risk rating combines expected annual loss with social vulnerability and community resilience; EAL rating rates expected annual loss alone. Both compare this county with all U.S. counties.

Local data needed: state and local wildfire, landslide and volcanic activity records (Storm Events records these hazards only in part).

Not applicable to this county per NRI, with no federal declaration and no Storm Events record since 1996: coastal flooding and tsunami. That is the evidence for leaving them out of the plan.

The state hazard mitigation plan also lists hazards for this county; FEMA asks the plan to explain any hazard it leaves out.

Supports FEMA checklist item B1-b: hazard location

Affects the whole county (national data give no location within it): Cold Wave, Drought, Hail, Heat Wave, Ice Storm, Lightning, Strong Wind and Winter Weather.

Inland Flooding: The FEMA Flood Insurance Rate Map (FIRM) is the required location source for flooding. See the FEMA Flood Map Service Center (https://msc.fema.gov) for this county.

Hazards that vary within the county: highest-rated census tracts

Source: 5

HazardHighest-rated census tractsNRI risk rating, score 0 to 100
Avalanchetract 18.12 (Very Low, 28.8); tract 12.07 (Very Low, 28.8); tract 15.01 (Very Low, 23.5)
Earthquaketract 2.05 (Relatively High, 94.6); tract 11.05 (Relatively Moderate, 86.4); tract 11.06 (Relatively Moderate, 85.1)
Hurricanetract 2.05 (Very Low, 45.0); tract 11.05 (Very Low, 39.7); tract 11.06 (Very Low, 38.6)
Landslidetract 15.01 (Relatively Low, 86.6); tract 19 (Relatively Low, 82.2); tract 14.01 (Very Low, 77.2)
Tornadotract 2.05 (Relatively Low, 38.2); tract 11.05 (Relatively Low, 30.5); tract 4.02 (Very Low, 27.5)
Volcanic Activityno tract has a National Risk Index rating for this hazard
Wildfiretract 14.01 (Relatively Moderate, 94.2); tract 12.04 (Relatively Moderate, 93.5); tract 18.10 (Relatively Moderate, 93.0)

Up to 3 census tracts per hazard, highest National Risk Index rating first, then highest score; a tract number is the Census tract number (for example 18.12 is Census Tract 18.12). FEMA's Resilience Analysis and Planning Tool maps the National Risk Index for every tract: https://www.fema.gov/emergency-managers/practitioners/resilience-analysis-and-planning-tool

Supports FEMA checklist item B1-c: hazard extent

Extent: scale, observed range and worst recorded event per hazard

Sources: 6, 7

HazardScaleRecordscount and yearsObserved rangeWorst recorded eventMost damaging (when different)How it applies to jurisdictionsNote
Avalanchenone (count and damage only)2 records, 2016 to 2020 (2 zone-level)No damage reported in 2 records.Countywide (zone-level records).
Cold/Wind Chill, Extreme Cold/Wind Chillwind chill1 record, 2025 (1 zone-level)1 day; 1 with a recorded value1 consecutive day, 2025-01-22, zone-levelCountywide (zone-level records).
Frost/Freeze (outside NRI's Cold Wave definition)crop damage0
DroughtU.S. Drought Monitor scale (D0 to D4)111 records, 2012 to 2026 (111 zone-level)99 days to 937 days (median 791 days); 5 with a recorded value937 days (about 30.8 months), 2012-03-01 to 2014-09-23, a run of 37 consecutive Storm Events drought records, zone-levelCountywide (zone-level records).Storm Events enters a drought at D2 or worse east of the Rockies and D3 or worse from the Rockies west (NWS Instruction 10-1605); NRI drought counts D3 and D4 only.
EarthquakeModified Mercalli (local data)0Storm Events does not record earthquakes; the USGS earthquake catalog is the source.
Hailhail size (inches)117 records, 1956 to 20250.75 in to 2.5 in (median 1 in); 116 with a recorded value2.5 in hail, 1991-05-20Hail, 2006-09-13, $10,000,000 property; $500,000 crops (2006 dollars)Event records naming jurisdictions in the plan: Las Cruces city (20 records), Sunland Park city (5 records), Anthony city (4 records), Mesilla town (3 records), Hatch village (1 record).
Excessive Heat, Heatheat index (in event narratives)1 record, 2023 (1 zone-level)31 days; 1 with a recorded valueJuly 2023 (1 monthly summary record), zone-levelCountywide (zone-level records).
Hurricane, Tropical Storm, Tropical DepressionSaffir-Simpson0Storm Events files every zone of a storm's episode under the storm's type; flooding from the storm is filed as Flood or Flash Flood records.
Ice StormSperry-Piltz ice scale (local data)0
Flash Flood, Flood, Lakeshore Flooddamage and flood days (flood depth: FIRM)99 records, 1996 to 2026Flash Flood, 2006-08-15, $4,000,000 property; $500,000 crops (2006 dollars)Event records naming jurisdictions in the plan: Las Cruces city (12 records), Hatch village (9 records), Anthony city (8 records), Mesilla town (3 records), Sunland Park city (3 records).Flood depth: see the FEMA Flood Insurance Rate Map. Storm Events damage is often $0 or blank for floods, major ones included; FEMA Public Assistance by declaration (B1-d) shows which floods cost the most.
Debris Flownone (count and damage only)0
Lightningannualized frequency (the measure FEMA's Local Mitigation Planning Handbook names)1 record, 2014Lightning, 2014-08-19, $0 property; $0 crops (2014 dollars), 6 direct injuriesNo event record names a jurisdiction in the plan.Storm Events lists lightning with damage or casualties.
High Wind and Strong Wind (outside NRI's Strong Wind definition)wind speed (kt and mph)77 records, 2012 to 2026 (77 zone-level)52 kt (60 mph) to 96 kt (110 mph) (median 71 kt (82 mph)); 77 with a recorded value96 kt (110 mph) measured gust, High Wind, 2023-02-26; same speed and measurement basis also recorded on 2016-12-16, 2023-02-22; NWS zone NMZ413High Wind, 2022-02-16, $50,000 property; $0 crops (zone total, 2022 dollars)Countywide (zone-level records).
Thunderstorm Windwind speed (kt and mph)124 records, 1959 to 202650 kt (58 mph) to 89 kt (102 mph) (median 55 kt (63 mph)); 114 with a recorded value89 kt (102 mph), measurement type not recorded, Thunderstorm Wind, 1989-06-13Thunderstorm Wind, 2020-08-23, $100,000 property; $0 crops (2020 dollars)Event records naming jurisdictions in the plan: Las Cruces city (14 records), Anthony city (5 records), Sunland Park city (4 records), Hatch village (1 record).
TornadoEnhanced Fujita (Fujita before Feb 2007)13 records, 1959 to 2011F/EF0 to F/EF1 (median F/EF0); 13 with a recorded valueF1 tornado, 1979-07-31, 2 mi path length (whole path, pre-1996), 333 yd wide, $25,000 property; crops not recorded (1979 dollars)Tornado, 1987-07-22, $250,000 property; crops not recorded (1987 dollars)Event records naming jurisdictions in the plan: Las Cruces city (3 records).Before 1996 a tornado is listed once, under the county where it began, with its whole path's rating and length; from 1996 on, each county lists its own segment. Length is not used to rank tornadoes (see Methods).
Volcanic Ash, Volcanic AshfallVolcanic Explosivity Index (local data)0
Wildfireacres burned (local data)0
Winter Storm, Heavy Snow, Blizzard, Lake-Effect Snow, Winter Weather, Sleetnone in data (snowfall: local data)7 records, 2015 to 2025 (7 zone-level)No damage reported in 7 records.Countywide (zone-level records).

In event narratives only (local data needed): wind chill, temperature, heat index, ice thickness, acres burned and snow depth; any physical measure of avalanche, debris flow, lightning and volcanic ash, volcanic ashfall.

Storm Events records are more complete after 1996; before 1996 only Tornado (from 1950), Hail and Thunderstorm Wind (from 1955) exist. Zone-level records from zones that no NWS zone-county file places in this county (mostly before 2020) are not counted here (the Methods page explains the zone matching).

Dollars are nominal (as reported), labeled with the year; not adjusted for inflation.

A monthly summary record covers most or all of a month; it does not count days at wave conditions.

Supports FEMA checklist item B1-d: previous occurrences

Federal declarations for this county: 10 declarations covering 6 separate hazard incidents counted in this packet (declarations for the same incident count once; non-natural and evacuation-only declarations are not counted).

No approved plan on record, so there is no approval date to count from.

Federal disaster declarations for this county

Sources: 1, 2, 3

DeclaredIncident beganFEMA numberTypeTitleMapped hazardCounty Public Assistancefederal share obligated, nominal dollarsFlagsNotes
2025-07-222025-06-23DR-4886-NMMajor disasterSevere Storms, Flooding, and LandslidesInland Flooding (primary); also designated: Landslide$11,971,800.27within last 5 years
2020-04-052020-01-20DR-4529-NMMajor disasterCOVID-19 PandemicNon-natural, not counted$537,465.72
2020-03-132020-01-20EM-3460-NMEmergencyCOVID-19Non-natural, not countedno Public Assistance recordedsame incident as DR-4529
2013-10-292013-09-09DR-4152-NMMajor disasterSevere Storms, Flooding, and MudslidesInland Flooding (primary); also designated: Landslide$1,171,534.81
2006-08-302006-07-26DR-1659-NMMajor disasterSevere Storms and FloodingInland Flooding$1,543,328.94
2005-09-072005-08-29EM-3229-NMEmergencyHurricane Katrina EvacuationHurricane: evacuation support, not a local hazard event; not countedno Public Assistance recorded
2000-05-132000-05-05DR-1329-NMMajor disasterSevere Forest FireWildfirePA not declared for this county
2000-05-102000-05-05EM-3154-NMEmergencySevere Fire ThreatsWildfireno Public Assistance recordedsame incident as DR-1329
1999-09-221999-07-16DR-1301-NMMajor disasterSevere Ice Storms, Flooding and Heavy RainsIce Storm; Inland Flooding$140,969.93
1972-09-201972-09-20DR-353-NMMajor disasterHeavy Rains & FloodingInland Floodingno Public Assistance recorded

County Public Assistance: applicants the FEMA record places in this county, including any state agencies FEMA files there; statewide rows are listed on the state page; federal share obligated, nominal dollars.

Statewide declarations

Source: 2

DeclaredIncident beganFEMA numberTypeTitleMapped hazard
1998-07-021998-06-29EM-3128-NMEmergencyExtreme Fire HazardsWildfire
1955-08-151955-08-15DR-38-NMMajor disasterFloodInland Flooding
1954-10-131954-10-13DR-27-NMMajor disasterFloodInland Flooding

FEMA recorded these with designated area Statewide and no county, so they are listed on every county page in the state and not counted with county rows. Local data needed: whether each one affected this county.

5 Fire Management declarations (1974-05-21 to 2003-05-10) FEMA filed as Statewide with no county; each names one local fire. Listed on the state page.

Public Assistance filed under this county for declarations that do not list it: 1 row, $4,010.76

Sources: 2, 3

FEMA numberDeclaredTitleApplicantPA obligatedfederal share obligated, nominal dollars
DR-4795-NM2024-06-20South Fork Fire, Salt Fire, and FloodingNew Mexico Department of Agriculture$4,010.76

FEMA's Public Assistance summaries file these applicants under this county, but FEMA's declaration rows for these disasters do not designate it (an electric cooperative or district serving several counties, for example). Not in any declaration row above and not counted.

Public Assistance not placed in any New Mexico county: 1 row, $6,157.13; listed on the New Mexico state page.

Source: 3

Previous occurrences by hazard, with explicit no-event rows

Sources: 2, 6, 7

HazardStorm Events records, all years on file(years in the Period column)Since plan approvalrecordsIn the 12 months before plan approvalrecordsLast 5 yearsrecordsDeclared incidents, all yearsseparate disastersDeclared since approvalseparate disastersPeriodStatement
Avalanche2001996 to 2026-06-30
Cold Wave1101996 to 2026-06-30
Drought1115301996 to 2026-06-30
Earthquake000Storm Events does not record earthquakes; the USGS earthquake catalog is the source.
Hail117501955 to 2026-06-30
Heat Wave1101996 to 2026-06-30
Hurricane0001996 to 2026-06-30No recorded events, 1996 to 2026-06-30, NOAA NCEI Storm Events
Ice Storm0011996 to 2026-06-30No Storm Events records of this type; 1 federal declared incident (see declarations table)
Inland Flooding991951996 to 2026-06-30
Landslide0021996 to 2026-06-30No Storm Events records of this type; 2 federal declared incidents (see declarations table)
Lightning1001996 to 2026-06-30
Strong Wind2015901955 to 2026-06-30Includes 77 High Wind records.
Tornado13001950 to 2026-06-30
Volcanic Activity0001996 to 2026-06-30No recorded events, 1996 to 2026-06-30, NOAA NCEI Storm Events
Wildfire0011996 to 2026-06-30No Storm Events records of this type; 1 federal declared incident (see declarations table)
Winter Weather7201996 to 2026-06-30

Notable Storm Events records

Sources: 1, 6, 7

DateEvent typeMagnitude or extentDamagenominal dollarsDeaths, injuriesdirect onlyLocationFlagsWhy listed
2025-01-22Extreme Cold/Wind Chill$0 property; $0 crops (zone total, 2025 dollars)0, 0NWS zone NMZ427 (WEST CENTRAL TULAROSA BASIN/WHITE SANDS), zone-levelwithin last 5 yearsB1-c worst recorded: Cold/Wind Chill, Extreme Cold/Wind Chill
2023-07-01Excessive Heat$0 property; $0 crops (zone total, 2023 dollars)0, 0NWS zone NMZ411 (SOUTHERN DONA ANA COUNTY/MESILLA VALLEY), zone-levelwithin last 5 yearsB1-c worst recorded: Excessive Heat, Heat
2023-02-26High Wind96 kt (110 mph) measured gust$0 property; $0 crops (zone total, 2023 dollars)0, 0NWS zone NMZ413 (SOUTHERN TULAROSA BASIN), zone-levelwithin last 5 yearsB1-c worst recorded: High Wind and Strong Wind
2020-08-23Thunderstorm Wind72 kt (83 mph) measured gust$100,000 property; $0 crops (2020 dollars)0, 0DONA ANAB1-c most damaging: Thunderstorm Wind
2014-08-19Lightning$0 property; $0 crops (2014 dollars)0, 6FAIRACRESdeaths or injuries recorded
2013-08-15Flash Flood$0 property; $0 crops (2013 dollars)0, 1LIZARDdeaths or injuries recorded
2012-03-01Drought$0 property; $0 crops (zone total, 2012 dollars)0, 0NWS zone NMZ412 (CENTRAL TULAROSA BASIN), zone-levelB1-c worst recorded: Drought
2006-09-13Hail1.75 in$10,000,000 property; $500,000 crops (2006 dollars)0, 0MESILLAB1-c most damaging: Hail
2006-08-15Flash Flood$4,000,000 property; $500,000 crops (2006 dollars)0, 0HATCHB1-c worst recorded: Flash Flood, Flood, Lakeshore Flood
1991-05-20Hail2.5 indamage not recorded (pre-1996 record)0, 0location not recordedB1-c worst recorded: Hail
1989-06-13Thunderstorm Wind89 kt (102 mph), measurement type not recordeddamage not recorded (pre-1996 record)0, 0location not recordedB1-c worst recorded: Thunderstorm Wind
1979-07-31TornadoF1, 2 mi path length (whole path, pre-1996), 333 yd wide$25,000 property; crops not recorded (1979 dollars)0, 0location not recordedB1-c worst recorded: Tornado

The full list is in the Excel file, sheet "B1-d Storm Events history" (553 rows).

Location is the place NOAA recorded, as written in its data; it need not be a jurisdiction in this plan.

Local data needed: state-declared emergencies, from your state emergency management agency (federal data do not include them).

Tribal and special-area declarations in this state are listed on the state page.

Supports FEMA checklist item B1-e: probability of future events

Probability: FEMA annualized frequency and descriptor per hazard

Sources: 5, 6

HazardFEMA annualized frequency (modeled)unit per rowUnitIn plain termsDescriptorDescriptor basisNRI events or days in its record period (hail, wind and tornado are area-weighted, so can be fractional)NRI periodLocationNote
Avalanche0.01events per yearabout 1 in 100 yearsPossibleFEMA annualized frequency (modeled)01994 to 2023 (30 years)see B1-f0.01 is NRI's minimum avalanche frequency for a county in an avalanche susceptibility zone; NRI records no avalanche here, so the descriptor reflects the floor, not local events.
Cold Wave0.111event-days per yearabout 0.111 days per yearPossibleStorm Events event-days in 1 of 30 years, 1996 to 2025 (3.33%)2.12005-11-12 to 2024-11-12 (19 years)countywide
Drought73.8event-days per yearabout 73.8 days per yearLikelyStorm Events event-days in 10 of 30 years, 1996 to 2025 (33.3%)2,7722000 to 2025 (25.25 years; D3 and D4 only)countywide
Earthquake0.00151annual probability at a locationchance a given location in the county has at least minor-damage shaking in a year: 0.151%not shownmodeledsee B1-fNo descriptor (Storm Events does not record earthquakes).
Hail0.414events per yearabout 1 in 2 yearsLikelyFEMA annualized frequency (modeled)15.7 (modeled)1986 to 2023 (38 years)countywide
Heat Wave4.44event-days per yearabout 4.44 days per yearPossibleStorm Events event-days in 1 of 30 years, 1996 to 2025 (3.33%)79.42005-11-12 to 2024-11-12 (19 years)countywide
Hurricane0.00591events per yearabout 1 in 169 yearsUnlikelyFEMA annualized frequency (modeled)21851 to 2024 (Atlantic)see B1-fNRI counts hurricane and tropical storm tracks passing within storm-force wind range; federal declarations are in B1-d.
Ice Storm0.0409event-days per yearabout 0.0409 days per yearStorm Events event-days in 0 of 30 years, 1996 to 2025 (0%)21946-12-31 to 2014-02-12 (67 years)countywideNo Storm Events ice storm record, 1996 to 2025
Inland Flooding2.54event-days per yearabout 2.54 days per yearLikelyStorm Events event-days in 25 of 30 years, 1996 to 2025 (83.3%)711996 to 2023 (28 years)see B1-f
Landslide0.555events per year (modeled)about 0.55 per yearLikelyFEMA annualized frequency (modeled)not shownmodeledsee B1-f
Lightning52.1days per year with a strikeabout 52.1 days per yearHighly likelyFEMA annualized frequency (modeled)not shown1995 to 2023 (29 years; CONUS)countywide
Strong Wind0.361events per yearabout 1 in 3 yearsLikelyFEMA annualized frequency (modeled)141986 to 2023 (38 years)countywide
Tornado0.132events per yearabout 1 in 8 yearsLikelyFEMA annualized frequency (modeled)not shown1950 to 2023 (EF2+); 1986 to 2023 (EF0-1)see B1-f
Volcanic Activity0.0001annual probabilityabout 1 in 10,000 yearsUnlikelyFEMA annualized frequency (modeled)not shownmodeledsee B1-f
Wildfire0.000307annual probability at a locationchance a given location in the county burns in a year: 0.0307%Storm Events records in 0 of 30 years, 1996 to 2025 (0%)not shownmodeledsee B1-fNo descriptor: no Storm Events record 1996 to 2025
Winter Weather2.42event-days per yearabout 2.42 days per yearLikelyStorm Events event-days in 5 of 30 years, 1996 to 2025 (16.7%)462005-11-12 to 2024-11-12 (19 years)countywide

FEMA annualized frequency (modeled) is the National Risk Index v1.20 (December 2025) estimate of how often a hazard affects this county in a year; it is not recorded events divided by years, and its unit differs by hazard (events, event-days, or days with a lightning strike per year). For earthquake, wildfire, coastal flooding and tsunami the value is the chance (or number of events) at a location in the county, not across the county, so no "1 in N years" is given and the descriptor comes from Storm Events where it has a record (none for earthquake). The Methods page gives each hazard's method, from FEMA's National Risk Index Technical Documentation v1.20.

Where NRI gives event-days, the descriptor comes from the share of years with a Storm Events record; NRI's source records more events, so the two differ.

Descriptor scale used in this packet (defined per unit)

Sources: 5, 6

UnitDescriptorDefinition
events per yearHighly likely1 or more per year
events per yearLikelyabout once in 1 to 10 years
events per yearPossibleabout once in 10 to 100 years
events per yearUnlikelyless than once in 100 years
annual probabilityLikely10% to under 100% chance in a given year
annual probabilityPossible1% to under 10% chance in a given year
annual probabilityUnlikelyunder 1% chance in a given year
event-days (share of years)Highly likelyevent-days recorded in 90% or more of years
event-days (share of years)Likelyevent-days recorded in 10% to under 90% of years
event-days (share of years)Possibleevent-days recorded in some years but under 10% of years
lightning strike-daysHighly likelycloud-to-ground strikes on 1 or more days per year

Intensity bands: historical frequency (Storm Events)

Source: 6

HazardBandYearsEventscounty-coded recordsYears in periodEvents per yearevents / years
Hail1.00-1.99 in1996 to 202562302.07
Hail2.00 in+1996 to 20253300.1
Thunderstorm Wind (counted as NRI Strong Wind)50-64 kt1996 to 202591303.03
Thunderstorm Wind (counted as NRI Strong Wind)65 kt+1996 to 202511300.367
Thunderstorm Wind (counted as NRI Strong Wind)unmeasured or below 50 kt1996 to 20250300
TornadoEF0-11996 to 20256300.2
TornadoEF2-31996 to 20250300
TornadoEF4-51996 to 20250300
Tornadounrated (EFU)1996 to 20250300

The bands show how often events of each severity were recorded in this county, to profile how severe events have been (FEMA's probability item asks for the range of intensities).

Hail smaller than 1 inch is not counted: on 2010-01-05 the National Weather Service raised its severe-hail threshold from 3/4 inch to 1 inch, so smaller reports became less common after 2009 (NWS Service Change Notice 09-52). NRI hail frequency uses a 0.75 inch threshold.

Optional: future conditions. Not a required item in the 2025 FEMA Local Mitigation Planning Policy Guide; some states ask for it. The federal Climate Mapping for Resilience and Adaptation (CMRA) site gives county exposure to future climate conditions (https://resilience.climate.gov/).

Supports FEMA checklist item B1-f: hazards that vary across jurisdictions

Range of census tract risk within the county

Source: 5

HazardTractsrated of allNRI risk score, 0 to 100Tracts by rating
MinMedianMax
Avalanche8 of 6119.723.128.8Very Low 8, Not Applicable 53
Cold Wave61 of 6120.955.477.0Relatively Moderate 44, Relatively Low 17
Drought34 of 6177.296.899.8Very High 1, Relatively High 14, Relatively Moderate 9, Relatively Low 9, Very Low 1, No Rating 27
Earthquake61 of 6113.955.294.6Relatively High 1, Relatively Moderate 7, Relatively Low 37, Very Low 16
Hail61 of 6149.073.799.5Very High 2, Relatively High 5, Relatively Moderate 35, Relatively Low 19
Heat Wave61 of 6114.073.491.9Relatively High 6, Relatively Moderate 52, Relatively Low 2, Very Low 1
Hurricane61 of 6115.222.245.0Very Low 61
Ice Storm61 of 613.715.589.9Relatively Moderate 5, Relatively Low 4, Very Low 52
Inland Flooding61 of 615.269.2100.0Very High 11, Relatively High 14, Relatively Moderate 19, Relatively Low 13, Very Low 4
Landslide56 of 618.716.586.6Relatively Low 2, Very Low 54, No Rating 5
Lightning61 of 6135.085.897.9Very High 3, Relatively High 42, Relatively Moderate 15, Relatively Low 1
Strong Wind61 of 6112.131.185.2Relatively High 1, Relatively Moderate 4, Relatively Low 53, Very Low 3
Tornado61 of 611.56.038.2Relatively Low 2, Very Low 59
Volcanic Activity0 of 61No Rating 61
Wildfire59 of 6122.377.994.2Relatively Moderate 15, Relatively Low 21, Very Low 23, No Rating 2
Winter Weather61 of 6151.486.199.5Very High 5, Relatively High 49, Relatively Moderate 7

Drought: Agriculture is all of NRI's expected annual loss for this hazard in the county, so the tract range mostly reflects where crop and livestock value is.

Rated tracts only: No Rating (score 0.0), Not Applicable and Insufficient Data tracts are counted but not used for the minimum, median and maximum.

The score ranks a tract against all U.S. tracts (100 = highest). The rating is FEMA's category for the tract's risk value, computed differently, so the two can disagree.

Frequency data for cold wave, drought, hail, heat wave, ice storm, lightning, strong wind and winter weather are county-wide or coarse (49 km grid or NWS zone), the same for every jurisdiction; the tract range mostly reflects where buildings and people are (crop and livestock value where a line above names agriculture).

Each jurisdiction (starting figures from federal data)

Sources: 1, 3, 4, 6

JurisdictionTypePlan statusRepetitive lossFMA RL and SRL (44 CFR 77.2); repeat-flood, any definitionPublic Assistance to this jurisdictionFEMA records matched by applicant name; federal share obligated, nominal dollarsEvent records naming this placeall years; since its planNotes
Doña Ana CountyCountyNo approved plan on record. Approvable pending adoption, not yet eligibleFMA RL 0, SRL 0; any 4$13,542,271.350 total; no approved planIncludes $500,313.11 for declarations not counted as hazard incidents (DR-4529-NM).
Anthony cityCityNo approved plan on record. Approvable pending adoption, not yet eligibleFMA RL 0, SRL 0; any 0$6,861.4417 total; no approved plan
Hatch villageVillageNo approved plan on record. Approvable pending adoption, not yet eligibleFMA RL 0, SRL 0; any 0$650,814.6011 total; no approved plan
Las Cruces cityCityNo approved plan on record. Approvable pending adoption, not yet eligibleFMA RL 0, SRL 0; any 0$464,941.6149 total; no approved planIncludes $0 for declarations not counted as hazard incidents (DR-4529-NM).
Mesilla townTownNo approved plan on record. Approvable pending adoption, not yet eligibleFMA RL 0, SRL 0; any 0$50,758.906 total; no approved plan
Sunland Park cityCityNo approved plan on record. Approvable pending adoption, not yet eligibleFMA RL 0, SRL 0; any 0$649,451.7712 total; no approved planIncludes $37,152.61 for declarations not counted as hazard incidents (DR-4529-NM).

Repetitive-loss counts are for whole NFIP communities, which can extend beyond this county (see the note in B2-c).

School districts and special districts get a plan clock row only.

Supports FEMA checklist items B2-a and B2-b: vulnerability and potential impacts

Local data needed

The table below gives county-level starting figures; the plan describes impacts for each jurisdiction and its own assets.

No approved plan on record, so there is no approval date to count from.

  • Critical facilities and lifelines per hazard
  • A problem statement per jurisdiction per hazard
  • Changes in development in hazard-prone areas since the last approval, or a statement of none (E1-a)
  • Future assets

County-level starter: exposure, expected annual loss and damage since the plan

Sources: 1, 2, 3, 5, 6, 7

HazardBuilding exposuremodeled dollarsAgriculture exposuremodeled dollarsPopulation exposedpeopleEAL buildingsmodeled dollars per yearEAL agriculturemodeled dollars per yearCost of expected deaths and injuriesFEMA's dollar value per year, not property damageEAL as % of exposurebuildings; agriculture where notedStorm Events damage since plancounty-coded records, property plus crops, nominal dollarsZone-level damage since planproperty plus crops, reported for the zonePublic Assistance since plannominal dollars; see noteNote
Avalanche$0n/aunder 1$0n/a$182building exposure is 0 in NRI
Cold Wave$102,187,594,952$472,039,865214,965$45,814$29,591$3,110,712under 0.0001%
Droughtn/a$241,117,208n/an/a$10,795,101n/a4.48% (agriculture)NRI has no building exposure for this hazard; agriculture shown
Earthquake$162,702,294,903n/a219,561$4,255,191n/a$667,9700.00262%
Hail$102,834,280,395$476,765,073218,940$2,513,671$22,050$195,4990.00244%
Heat Wave$102,834,280,395$476,765,073218,940$2,019$67,479$4,283,165under 0.0001%
Hurricane$102,799,274,095$473,142,036218,797$14,183$4,090$2under 0.0001%
Ice Storm$102,834,280,395n/a218,940$122,629n/a$4,7570.000119%
Inland Flooding$102,822,535,287$55,462,66213,496$133,123,194$33,755$84,730n/a (see note)NRI counts the full building value of any census block with some flood loss; this is not the value of buildings in the floodplain. Use local FIRM overlays for B2-a/B2-b.
Landslide$293,022,475n/a1,172$478n/a$600.000163%
Lightning$102,834,280,395n/a218,940$179,176n/a$1,851,2690.000174%
Strong Wind$102,834,280,395$476,765,073218,940$235,220$1,898$292,9020.000229%
Tornado$102,834,280,395$476,765,073218,940$102,353$434$86,478under 0.0001%
Volcanic Activity$102,834,280,395n/a218,940$0n/a$00%
Wildfire$7,969,884,107$184,987,37045,777$607,036$150$36,1860.00762%
Winter Weather$102,834,280,395$476,765,073218,940$309,001$3,189$515,4050.0003%

Totals since the plan: not available. No approved plan on record, so there is no approval date to count from.

FEMA does not split Public Assistance by hazard. A declaration mapped to several hazards is listed under each of them with its full amount, so the per-hazard column does not add up to the total; the unit total counts each declaration once.

NRI computes earthquake exposure on its own basis, so it exceeds the county building value in B2-a.

Supports FEMA checklist item B2-a: vulnerability (county context)

County context

Source: 5

MeasureValue
Population218,940
Building value (total, not at risk)$102,834,280,395
Agriculture value (total, not at risk)$476,765,073
NRI risk rating (all hazards)Relatively High
Expected annual loss, buildings and agriculture, all hazards$152,467,705
Expected annual loss, population equivalence, all hazards (NRI values each statistical life at $13.7M; a modeled value of expected deaths and injuries, not property damage)$11,129,315
Social vulnerability ratingRelatively High
Community resilience ratingVery Low
NRI versionDecember 2025

FEMA's all-hazard expected annual loss adds buildings, agriculture and population equivalence; this table gives the property part and the population-equivalence part as separate rows.

Social vulnerability: higher means people are more likely to be harmed and slower to recover. Community resilience: lower means the community is less able to recover. High social vulnerability and low resilience both raise the NRI risk rating.

Supports FEMA checklist item B2-c: repetitive loss properties

Repetitive loss in this county, both definitions

Sources: 1, 4

DefinitionPropertiesSevere repetitive lossProperties
Repetitive loss, FMA definition (44 CFR 77.2)0Severe repetitive loss, FMA definition (44 CFR 77.2)0
Repetitive loss, NFIP insurance definition4Severe repetitive loss, NFIP insurance definition0

The state NFIP coordinator's list, the source FEMA's Handbook names, often uses the NFIP insurance definition (second row).

Repeat-flood properties: county total and NFIP communities

Sources: 1, 4

ScopeRL, FMApropertiesSRL, FMApropertiesRL, NFIPpropertiesSRL, NFIPpropertiesAny categorypropertiesMitigatedpropertiesCurrently insuredproperties
County total0040403
of which: Dona Ana County (unincorporated area)0040403

Repeat-flood properties by jurisdiction in the plan (NFIP community)

Sources: 1, 4

JurisdictionNFIP community IDRL, FMApropertiesSRL, FMApropertiesRL, NFIPpropertiesSRL, NFIPpropertiesAny categorypropertiesMitigatedpropertiesCurrently insuredproperties
Doña Ana County3500120040403
Anthony city3500610000000
Hatch village3500130000000
Las Cruces city3553320000000
Mesilla town3501130000000
Sunland Park city3501470000000

Counts by occupancy group for each jurisdiction are in the Excel file, sheet "B2-c Jurisdictions".

Jurisdiction rows are whole NFIP communities and need not add up to the county total: a community that extends into another county is counted in full on each jurisdiction row, while the county table counts only its part in this county.

County repeat-flood properties by occupancy group

Sources: 1, 4

Occupancy groupRL, FMApropertiesSRL, FMApropertiesRL, NFIPpropertiesSRL, NFIPpropertiesAny categorypropertiesMitigatedpropertiesCurrently insuredproperties
single-family residential0040403
2 to 4 unit residential0000000
other residential0000000
non-residential0000000
not reported0000000

FEMA's occupancy groups have no institutional class; institutional properties are counted in non-residential or other residential in the table by occupancy group.

FMA RL and FMA SRL are the Flood Mitigation Assistance definitions (44 CFR 77.2), the ones the FEMA Local Mitigation Planning Policy Guide cites. NFIP repetitive loss (the FEMA insurance definition) is 2 or more claims over $1,000 in 10 years, and a property can leave that group once it is mitigated. Also shown: NFIP severe repetitive loss, any category, mitigated and currently insured. The Methods page gives the OpenFEMA field details.

Counts are aggregates of FEMA's public NFIP Multiple Loss Properties file (FEMA's data date 2026-08-02; file version 2026-08-04). No property is identified. County assignment is FEMA's geocode.

In this county 0 properties are FMA repetitive loss but not NFIP repetitive loss, and 4 properties are NFIP repetitive loss but not FMA repetitive loss.

Exact counts; no count suppression.

Sources

Tables cite these sources by number. The full list, for the plan's bibliography (FEMA review item A4-a):

  1. FEMA, OpenFEMA HazardMitigationPlanStatuses v1, version 2026-09-29T134039Z, pulled 2026-09-30, https://www.fema.gov/api/open/v1/HazardMitigationPlanStatuses (API)
  2. FEMA, OpenFEMA DisasterDeclarationsSummaries v2, version 2026-09-29T162832Z, pulled 2026-09-30, https://www.fema.gov/api/open/v2/DisasterDeclarationsSummaries (API)
  3. FEMA, OpenFEMA PublicAssistanceFundedProjectsSummaries v1, version 2026-09-29T150754Z, pulled 2026-09-30, https://www.fema.gov/api/open/v1/PublicAssistanceFundedProjectsSummaries (API)
  4. FEMA, OpenFEMA NfipMultipleLossProperties v1, version 2026-08-04T164045Z, pulled 2026-09-30, https://www.fema.gov/api/open/v1/NfipMultipleLossProperties (API)
  5. FEMA, FEMA National Risk Index 1.20.0 (December 2025), county and census tract tables, version 1.20.0, pulled 2026-09-30, https://www.fema.gov/about/reports-and-data/openfema/nri/v120/NRI_Table_Counties.zip (download, 25 MB), https://www.fema.gov/about/reports-and-data/openfema/nri/v120/NRI_Table_CensusTracts.zip (download, 635 MB)
  6. NOAA NCEI, NOAA NCEI Storm Events Database, details files (csvfiles v1.0), version c20260918, pulled 2026-09-30, https://www.ncei.noaa.gov/pub/data/swdi/stormevents/csvfiles/
  7. NOAA National Weather Service, NWS county-public forecast zones correlation file, version bp03mr20 to bp16ap26 (11 files; newest bp16ap26), pulled 2026-09-30, https://www.weather.gov/gis/ZoneCounty
  8. U.S. Census Bureau, Census 2024 Gazetteer, 2020 place by county, CT county-to-cousub crosswalk, version 2024-gazetteer, pulled 2026-09-30, https://www2.census.gov/geo/docs/maps-data/data/gazetteer/2024_Gazetteer/2024_Gaz_counties_national.zip, https://www2.census.gov/geo/docs/maps-data/data/gazetteer/2024_Gazetteer/2024_Gaz_cousubs_national.zip, https://www2.census.gov/geo/docs/maps-data/data/gazetteer/2024_Gazetteer/2024_Gaz_place_national.zip, https://www2.census.gov/geo/docs/maps-data/data/gazetteer/2024_Gazetteer/2024_Gaz_unsd_national.zip, https://www2.census.gov/geo/docs/maps-data/data/gazetteer/2024_Gazetteer/2024_Gaz_elsd_national.zip, https://www2.census.gov/geo/docs/maps-data/data/gazetteer/2024_Gazetteer/2024_Gaz_scsd_national.zip, https://www2.census.gov/geo/docs/reference/codes2020/national_place_by_county2020.txt, https://www2.census.gov/geo/docs/reference/ct_change/ct_cou_to_cousub_crosswalk.xlsx (used to match place names and codes; no table prints its values)

What this packet is and what the plan adds

This packet is the federal data for the plan's risk assessment (the summary on page 1 says how it is organized); the plan and FEMA's review decide whether each item is met.

The plan adds what only the community has: local data on assets, critical facilities, development and each jurisdiction's impacts; local hazard history, including state-declared emergencies; the mitigation strategy; and adoption.

How the federal data are built: National Risk Index values are FEMA's model, not counts of events. Storm Events is more complete from 1996; zone-level records are placed by forecast zone, not by location in the county. Public Assistance for a jurisdiction is matched by applicant name. The Methods page gives every rule and the known edge cases.

OpenFEMA disclaimer

This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).

Reuse, citation and corrections

Reuse and citation: Hazard Plain text and tables are licensed under Creative Commons Attribution 4.0 International (CC BY 4.0, https://creativecommons.org/licenses/by/4.0/); credit Hazard Plain and the release. The underlying federal data are public domain; OpenFEMA data are also subject to the OpenFEMA terms and conditions.

Cite this: Hazard Plain (2026). Doña Ana County, NM: risk-assessment baseline packet, release 2026-10 (data as of 2026-09-30; County FIPS 35013). Automated baseline. https://hazardplain.org/nm/35013/ Built from FEMA OpenFEMA, the FEMA National Risk Index and NOAA NCEI Storm Events; source versions in the packet's Sources list.

Corrections: to report an error, name the packet, the table and what your records show. Contact: [email protected]