Weather alerts in Colorado, 2010
2,024 weather alerts in 2010, 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 2010. Tap one for its archive.
- Alerts
- 2,024
- Warnings
- 1,017
- Watches
- 220
- Advisories
- 477
- Busiest month
- July422 alerts
- Busiest day
- April 22, 201062 alerts
Over time
By month
The alerts
2,024 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.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 511 |
| Tornado Warning | 161 |
| Severe Thunderstorm Watch | 28 |
| Tornado Watch | 18 |
| Mesoscale Discussion | 124 |
| Special Weather Statement | 186 |
| Flooding | |
| Areal Flood Warning | 11 |
| Flash Flood Warning | 81 |
| River Flood Warning | 10 |
| Flash Flood Watch | 29 |
| Flood Watch | 1 |
| Areal Flood Advisory | 252 |
| River Flood Advisory | 16 |
| Winter | |
| Blizzard Warning | 8 |
| Winter Storm Warning | 58 |
| Blizzard Watch | 3 |
| Winter Storm Watch | 46 |
| Winter Weather Advisory | 117 |
| Cold | |
| Freeze Warning | 37 |
| Wind Chill Warning | 2 |
| Freeze Watch | 20 |
| Frost Advisory | 15 |
| Wind Chill Advisory | 7 |
| Wind and dust | |
| High Wind Warning | 26 |
| High Wind Watch | 13 |
| Wind Advisory | 40 |
| Fire | |
| Red Flag Warning | 112 |
| Fire Weather Watch | 62 |
| Fog and smoke | |
| Dense Fog Advisory | 28 |
| Freezing Fog Advisory | 2 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Las Animas County253
- Kit Carson County236
- Weld County218
- Yuma County210
- El Paso County209
- Pueblo County205
- Garfield County191
- Mesa County184
- Cheyenne County179
- Huerfano County179
- Morgan County165
- San Miguel County164
- Kiowa County163
- Adams County160
- Elbert County158
- Washington County155
- Logan County154
- Bent County154
- Saguache County146
- Dolores County145
- Otero County144
- Arapahoe County143
- Baca County142
- Montrose County142
- Montezuma County141
- Prowers County138
- Rio Blanco County130
- Conejos County126
- Rio Grande County126
- Larimer County125
- Costilla County125
- Fremont County123
- La Plata County122
- Moffat County121
- Sedgwick County121
- Jefferson County120
- Crowley County120
- Eagle County119
- Lincoln County118
- Phillips County117
24 more counties
- Douglas County115
- Delta County114
- Pitkin County113
- Boulder County113
- Gunnison County113
- Alamosa County109
- Routt County105
- Teller County105
- Chaffee County100
- Denver County96
- Custer County92
- Park County84
- Ouray County84
- Broomfield County84
- Hinsdale County79
- Archuleta County78
- Clear Creek County74
- Gilpin County72
- Mineral County71
- Lake County70
- San Juan County68
- Grand County54
- Jackson County53
- Summit County44
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20092011
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.