NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Alamosa, CO
Every tropical system within 75 miles since 1851 and every tornado within 25 miles since 1950.
Data: NOAA NHC HURDAT2 and NOAA SPC tornado and hail reports, through 2025 · Updated
No tropical storm or hurricane has passed within 75 miles of Alamosa, Colorado since records began in 1851. Since 1950, 26 tornadoes have touched down within 25 miles, 1 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 0
- Tornadoes
- 26
- EF3 or stronger
- 1
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
no recorded deaths
What the records show for Alamosa
The strongest of the 26 tornadoes within 25 miles was an F3 on July 31, 1955; its path came within 22 miles. Of the 26, 4 had paths within 5 miles of the city centre, and 11 have come since 2000. June has had the most tornadoes, 8. The most recent tornado was on June 6, 2021. Of the 157 Colorado cities on this site, 58% have more tornadoes within 25 miles than Alamosa. Hail has been reported within 10 miles 5 times since 1961, with stones up to 1.75 inches (golf ball size). Of the 157 Colorado cities, 77% have more hail reports within 10 miles than Alamosa.
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Tornadoes within 25 miles of Alamosa
By decade
- 2020s2
- 2010s2
- 2000s7
- 1990s7
- 1980s3
- 1970s1
- 1950s4(1 EF3+)
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Jul 31, 1955 | F3 | 22 mi | 0.5 mi | 0 / 0 |
| Jul 10, 1955 | F2 | 2 mi | 0.1 mi | 0 / 0 |
| Aug 16, 2008 | EF1 | 12 mi | 0.25 mi | 0 / 0 |
| Mar 19, 1995 | F1 | 4 mi | 0.1 mi | 0 / 0 |
| Jun 22, 1983 | F1 | 8 mi | 1.5 mi | 0 / 0 |
| Jun 19, 1982 | F1 | 13 mi | 2 mi | 0 / 0 |
| May 5, 1980 | F1 | 21 mi | 2 mi | 0 / 0 |
| Jun 25, 1956 | F1 | 1 mi | 0.1 mi | 0 / 0 |
| May 31, 2021 | EF0 | 16 mi | 3.54 mi | 0 / 0 |
| May 22, 2014 | EF0 | 15 mi | 0.3 mi | 0 / 0 |
| May 20, 2013 | EF0 | 17 mi | 0.1 mi | 0 / 0 |
| Jul 9, 2006 | F0 | 12 mi | 0.5 mi | 0 / 0 |
The strongest 12 of 26, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Alamosa
The Storm Prediction Center has 5 hail reports within 10 miles of Alamosa since 1961, made on 4 separate days. Of these, 3 were 1 inch across or larger, and none reached 2 inches. The largest, 1.75 inches (golf ball size), fell on July 1, 1995, the most recent report.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Alamosa
The nearest NOAA station with 1991–2020 climate normals is Alamosa 1E, CO, 1 mile west of Alamosa at 7,540 feet. July is the warmest, with an average high of 83°F and low of 48°F; January is the coolest, at 35°F and 0°F. August is the wettest at 1.4 inches of precipitation on average and December the driest at 0.2 inches; the year adds up to 7.4 inches over 23 days with at least a tenth of an inch. Highs reach 90°F on about 3 days a year, almost all from June to July. Lows fall below freezing on about 221 nights a year. Snowfall averages 30.0 inches a year, most of it in January. That 7.4 inches is more than at 1 of the 91 Colorado stations used on this site (1%). Monte Vista, 19 miles west, has its own station (Monte Vista 2W, CO): 9.2 inches a year, 1.8 more than here, and a July average high of 80°F against 83°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 35 | 0 | 0.4 | 1 | 6.9 |
| Feb | 43 | 7 | 0.3 | 1 | 4.2 |
| Mar | 53 | 17 | 0.5 | 2 | 4.3 |
| Apr | 59 | 26 | 0.5 | 2 | 4.5 |
| May | 69 | 34 | 0.7 | 2 | 0.8 |
| Jun | 79 | 42 | 0.3 | 1 | 0.0 |
| Jul | 83 | 48 | 1.2 | 5 | 0.0 |
| Aug | 80 | 45 | 1.4 | 3 | 0.0 |
| Sep | 75 | 37 | 0.9 | 3 | 0.0 |
| Oct | 64 | 25 | 0.6 | 2 | 2.0 |
| Nov | 51 | 13 | 0.4 | 1 | 3.1 |
| Dec | 37 | 2 | 0.2 | 1 | 4.2 |
| Year | 61 | 25 | 7.4 | 23 | 30.0 |
Averages for 1991–2020 at Alamosa 1E, CO (7,540 ft), from NOAA NCEI U.S. Climate Normals. Normals describe the station; the farther a place is from it, and the bigger the difference in height, the more its weather can differ.
Floods, thunderstorm wind and lightning near Alamosa
Since 1996, the National Weather Service has logged 8 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Alamosa: 8 thunderstorm wind reports. The strongest thunderstorm gust on record here was 67 mph, on September 8, 2000.
Source: NOAA NCEI Storm Events Database, events whose starting point is on record, 1996 to June 30, 2026. Damage is the NWS estimate in the dollars of the year, not insured losses, and NWS notes that some reports are unverified.
Flood insurance claims, disaster declarations and FEMA risk ratings
Flood insurance policyholders in Alamosa's ZIP code 81101 have filed 18 claims with the National Flood Insurance Program since 1979, and were paid $4,195 for buildings and contents, in the dollars of each year. Of the 56 Colorado cities on this site with 10 or more claims, 15 have fewer than Alamosa.
Alamosa County, which includes Alamosa, has been named in 7 federal disaster or emergency declarations since 1970, 4 of them major disasters (by incident: 2 biological emergencies, 2 floods, 1 coastal storm, 1 fire). The latest major disaster declaration was Covid-19 Pandemic, on March 28, 2020. FEMA's National Risk Index gives Alamosa County a Very Low rating for natural hazard risk overall; by hazard: Relatively Moderate for lightning; Relatively Low for hail and inland flooding; Very Low for tornadoes, strong wind and heat waves. It models the county's expected loss from all 18 hazards it covers at $7.9 million a year, the 41st highest of 64 Colorado counties; of the hazards above, the largest share, $3.5 million (44%), is from inland flooding.
Claims: FEMA, OpenFEMA Dataset FIMA NFIP Redacted Claims – v3, summed over ZIP codes; payments in the dollars of each year, not adjusted for inflation. Declarations: Disaster Declarations Summaries – v2, by county. Retrieved October 25, 2026. 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).
Risk ratings: FEMA, National Risk Index county table, December 2025 (v1.20), retrieved October 26, 2026; ratings compare counties nationwide, are meant for planning and are no substitute for a local risk assessment. This product uses the Federal Emergency Management Agency's National Risk Index dataset API or downloadable datasets 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).
What counts as a pass, the distances and the sources: how this storm history is built.
Cities near Alamosa
- Monte Vista, CO19 mi
- Center, CO25 mi
- Del Norte, CO36 mi
- Westcliffe, CO50 mi
- Questa, NM53 mi
- Walsenburg, CO57 mi
- Cotopaxi, CO63 mi
- El Prado, NM70 mi
- Pagosa Springs, CO72 mi
- Salida, CO74 mi
- Florence, CO74 mi
- Taos, NM74 mi
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