Weather alerts in Colorado, 2013
2,350 weather alerts in 2013, 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 2013. Tap one for its archive.
- Alerts
- 2,350
- Warnings
- 1,035
- Watches
- 232
- Advisories
- 607
- Busiest month
- August461 alerts
- Busiest day
- September 12, 201386 alerts
Over time
By month
The alerts
2,350 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 County284
- Kit Carson County257
- Cheyenne County220
- Yuma County207
- Weld County192
- Garfield County188
- Washington County184
- Pueblo County181
- Mesa County180
- Las Animas County178
- Larimer County169
- Adams County164
- Montrose County160
- Arapahoe County159
- Fremont County156
- San Miguel County156
- Boulder County153
- Logan County151
- Elbert County150
- Baca County143
- Douglas County143
- Morgan County143
- Huerfano County142
- Jefferson County136
- Phillips County132
- Lincoln County131
- Dolores County130
- Sedgwick County130
- Montezuma County129
- Prowers County126
- Delta County126
- La Plata County126
- Rio Blanco County126
- Kiowa County124
- Saguache County123
- Gunnison County123
- Moffat County115
- Bent County114
- Denver County110
- Custer County105
24 more counties
- Teller County104
- Otero County102
- Crowley County99
- Routt County97
- Hinsdale County94
- Rio Grande County92
- Ouray County92
- Mineral County91
- Costilla County89
- Broomfield County89
- Conejos County88
- Chaffee County87
- Eagle County86
- Gilpin County81
- Park County81
- Clear Creek County74
- Pitkin County73
- Archuleta County72
- Lake County70
- Alamosa County68
- Grand County59
- Jackson County56
- San Juan County51
- Summit County47
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20122014
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.