Colorado

Storm History: Alamosa County, Colorado

426 episodes, 712 events since 1955

Every storm the National Weather Service has filed in Alamosa County, Colorado: floods, hail, damaging wind, tornadoes, winter storms, heat and the rest, with the most serious on record. Events filed by forecast zone count for every county the zone covers.

The record

Events
712
Deaths
3
Injuries
7
Damage
$16 million
Episodes
426

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

Open the live radar over Alamosa County

Every year

From 1996 the record holds 48 kinds of event with each office’s narrative; before that, tornadoes, hail and thunderstorm wind only, and before 1955 tornadoes alone.

By kind of event

Counted under the kind that heads each episode.

Kind of eventEventsDeathsInjuriesDamage
Winter Storm24100
High Wind17606$360,000
Heavy Snow16110
Tornado2100$22,000
Wildfire1600$1,000
Winter Weather1600
Blizzard1510$4.5 million
Hail1300$1.0 million
Thunderstorm Wind1300
Cold/Wind Chill1200
Flood600$11 million
Dust Storm600
Dense Fog500
Lightning401$42,000
Drought300
Debris Flow300
Avalanche110

The deadliest

The costliest

Damage within this county, in the dollars of its year.

The largest hail

The largest stone in each episode, which may have fallen in a neighboring county of the same episode.

The strongest tornadoes

Every tornado in Alamosa County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Alamosa CountyEvery warning in Alamosa County since 1986Every county in Colorado

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.