Enter any address in Los Alamos County, New Mexico to see its FEMA flood zone
3 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Los Alamos County, New Mexico has recorded 13 flood-related events since 1996 according to NOAA's Storm Events Database, including 13 flash floods. The county has received 10 federal disaster declarations, 3 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (2000–2022)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Wildfires, Straight-line Winds, Flooding, Mudflows, And Debris Flows | Fire | Apr 5, 2022 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Severe Storms, Flooding, And Mudslides | Flood | Sep 9, 2013 |
| Flooding | Flood | Jun 22, 2012 |
| Flooding | Flood | Aug 19, 2011 |
| Las Conchas Fire | Fire | Jun 26, 2011 |
| Hurricane Katrina Evacuation | Hurricane | Aug 29, 2005 |
| Severe Fire Threats | Fire | May 5, 2000 |
| Severe Forest Fire | Fire | May 5, 2000 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Jul 12, 2013 | 0.00K |
| Flash Flood | Jul 11, 2012 | 0.00K |
| Flash Flood | Jul 11, 2012 | 50.00K |
| Flash Flood | Aug 21, 2011 | 0.00K |
| Flash Flood | Aug 21, 2011 | 6.00M |
| Flash Flood | Aug 3, 2011 | 0.00K |
| Flash Flood | Aug 4, 2008 | 10.00K |
| Flash Flood | Aug 11, 2001 | 100K |
| Flash Flood | Jul 2, 2001 | 3.5M |
| Flash Flood | Jun 28, 2000 | — |
Flash Flood — Jul 12, 2013
An upper high was parked squarely over New Mexico. Overnight showers across the Gila region in southwestern NM were responsible for significant rainfall amounts across the Whitewater-Baldy burn scar. This caused some flooding with debris deposits along roads in the area. Afternoon showers and thunderstorms developed over the higher terrain then drifted over the plains and adjacent highlands. St...
Flash Flood — Jul 11, 2012
An upper level high pressure system shifted westward centering over portions of Utah and western Colorado. With sufficient moisture as well as instability, storms initially developed over northern portions of the state during the afternoon hours. These storms increased in coverage into the early evening with general storm motions toward the west and southwest. The thunderstorms, though not seve...
Flash Flood — Aug 21, 2011
The first day of flash flooding over the Las Conchas burn scar was widespread as weak upper level disturbances rounded the west side of the upper high. Early in the afternoon, showers and thunderstorms developed over the central and northern portions of the burn scar. These storms generally produced 1 to 2 inches of rainfall. Later in the afternoon and early evening, even stronger and very sl...
Flash Flood — Aug 3, 2011
One of the most active monsoonal days occurred on August 3rd, with heavy rains noted across much of the state. However, the biggest impact came to the recently burned areas, particularly to the Las Conchas and White Fire burn scars. Minor flooding was reported across many other locations, including around Abo, Folsom, and Grants. A few storms also reported severe wind gusts in outflow bounda...
Flash Flood — Aug 4, 2008
A southerly flow of moist, unstable air poured into New Mexico, causing |a few reports of flash flooding and large hail around the towns of Albuquerque and Bernalillo, and in the Jemez mountains.
Source: NOAA National Weather Service Storm Events Database.
Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).
FEMA assigns flood zone designations to areas in Los Alamos County, New Mexico:
AE High Risk — 1% annual chance of flooding. Insurance required.
VE Very High Risk — Coastal flooding with wave action.
X (Shaded) Moderate Risk — 500-year floodplain.
X Low Risk — Outside major floodplains.
Properties in Los Alamos County, New Mexico that are in FEMA-designated Special Flood Hazard Areas (zones A and V) with federally backed mortgages are required to carry flood insurance.
Even outside high-risk zones, flood insurance is recommended. From 2014 to 2024, nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area.
Visit FloodSmart.gov to find an agent and get a quote.