Weather alerts in Colorado, 2019
3,672 weather alerts in 2019, 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 2019. Tap one for its archive.
- Alerts
- 3,672
- Warnings
- 1,099
- Watches
- 219
- Advisories
- 481
- Busiest month
- June839 alerts
- Busiest day
- May 26, 201974 alerts
Over time
By month
The alerts
3,672 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 County401
- Kit Carson County325
- Cheyenne County299
- Yuma County294
- Pueblo County275
- Las Animas County270
- Weld County262
- Baca County237
- Elbert County230
- Prowers County229
- Huerfano County228
- Kiowa County225
- Lincoln County206
- Adams County203
- Washington County200
- Arapahoe County200
- Douglas County195
- Logan County187
- Morgan County175
- Bent County175
- Boulder County172
- Garfield County170
- Larimer County170
- Mesa County161
- Saguache County160
- Fremont County158
- Jefferson County153
- Costilla County153
- Crowley County148
- Rio Blanco County144
- Teller County144
- Moffat County143
- Montrose County143
- Otero County143
- Custer County136
- Denver County131
- San Miguel County130
- Sedgwick County128
- Phillips County126
- Broomfield County118
24 more counties
- Delta County112
- Dolores County112
- Eagle County111
- La Plata County110
- Park County108
- Routt County106
- Rio Grande County106
- Montezuma County104
- Gilpin County104
- Conejos County103
- Grand County103
- Pitkin County102
- Chaffee County97
- Jackson County96
- Gunnison County95
- Clear Creek County93
- Alamosa County92
- Ouray County88
- Summit County84
- Mineral County80
- Archuleta County79
- Hinsdale County73
- Lake County71
- San Juan County60
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20182020
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.