Weather alerts in Colorado, 2020
2,796 weather alerts in 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in 2020. Tap one for its archive.
- Alerts
- 2,796
- Warnings
- 1,068
- Watches
- 231
- Advisories
- 233
- Busiest month
- July708 alerts
- Busiest day
- June 6, 2020110 alerts
Over time
By month
The alerts
2,796 alerts are too many to list on one page. Narrow it to a product above, to a month in the chart, or to a county.
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
By county
Every county with at least one alert. A county page lists each alert that covered it.
- El Paso County318
- Las Animas County294
- Pueblo County286
- Yuma County281
- Kit Carson County251
- Cheyenne County228
- Huerfano County212
- Baca County191
- Crowley County190
- Elbert County188
- Fremont County188
- Garfield County183
- Prowers County181
- Weld County180
- Otero County178
- Lincoln County176
- Kiowa County174
- Saguache County170
- Larimer County166
- Bent County162
- Logan County156
- Costilla County156
- Mesa County148
- Washington County148
- Arapahoe County140
- San Miguel County139
- Alamosa County139
- Moffat County137
- Rio Blanco County135
- Rio Grande County134
- Boulder County132
- Custer County132
- Montrose County131
- Teller County131
- Adams County126
- Delta County125
- Montezuma County125
- Conejos County124
- Dolores County122
- La Plata County122
24 more counties
- Douglas County118
- Phillips County118
- Jefferson County115
- Morgan County113
- Park County112
- Chaffee County110
- Eagle County108
- Sedgwick County107
- Pitkin County106
- Routt County95
- Gilpin County95
- Archuleta County91
- Denver County90
- Clear Creek County89
- Gunnison County89
- Grand County85
- Hinsdale County85
- Ouray County85
- Lake County83
- Broomfield County83
- Jackson County74
- San Juan County73
- Summit County71
- Mineral County61
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.