Weather alerts in Colorado, 2012
1,541 weather alerts in 2012, 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 2012. Tap one for its archive.
- Alerts
- 1,541
- Warnings
- 682
- Watches
- 185
- Advisories
- 351
- Busiest month
- June360 alerts
- Busiest day
- June 7, 201261 alerts
Over time
By month
The alerts
1,541 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 | 270 |
| Tornado Warning | 55 |
| Severe Thunderstorm Watch | 13 |
| Tornado Watch | 4 |
| Mesoscale Discussion | 66 |
| Special Weather Statement | 257 |
| Flooding | |
| Areal Flood Warning | 2 |
| Flash Flood Warning | 62 |
| River Flood Warning | 2 |
| Flash Flood Watch | 12 |
| Flood Watch | 1 |
| Areal Flood Advisory | 158 |
| Winter | |
| Blizzard Warning | 10 |
| Winter Storm Warning | 36 |
| Blizzard Watch | 3 |
| Winter Storm Watch | 35 |
| Winter Weather Advisory | 101 |
| Cold | |
| Freeze Warning | 22 |
| Hard Freeze Warning | 3 |
| Freeze Watch | 7 |
| Frost Advisory | 11 |
| Wind Chill Advisory | 4 |
| Wind and dust | |
| High Wind Warning | 42 |
| High Wind Watch | 18 |
| Wind Advisory | 57 |
| Fire | |
| Red Flag Warning | 178 |
| Fire Weather Watch | 92 |
| Fog and smoke | |
| Dense Fog Advisory | 20 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Kit Carson County232
- Yuma County219
- Cheyenne County205
- El Paso County168
- Las Animas County158
- Garfield County156
- Moffat County142
- Montrose County141
- Rio Blanco County139
- Mesa County136
- San Miguel County135
- Douglas County130
- Larimer County126
- Baca County123
- Weld County116
- Routt County115
- Elbert County115
- Arapahoe County115
- Delta County113
- Prowers County112
- Montezuma County111
- Dolores County109
- Logan County108
- Gunnison County107
- Ouray County106
- Boulder County106
- Saguache County105
- La Plata County105
- Jefferson County105
- Washington County104
- Fremont County103
- Pueblo County103
- Lincoln County97
- Adams County97
- Bent County96
- Kiowa County93
- Teller County92
- Huerfano County89
- Morgan County88
- Phillips County88
24 more counties
- Conejos County86
- Rio Grande County86
- Chaffee County85
- Hinsdale County84
- Otero County83
- Denver County82
- Sedgwick County78
- Costilla County77
- Custer County76
- Crowley County74
- Lake County72
- Alamosa County71
- Broomfield County70
- Eagle County68
- Gilpin County68
- Park County68
- Clear Creek County67
- Grand County67
- Pitkin County62
- Jackson County62
- Archuleta County59
- Mineral County57
- Summit County49
- San Juan County46
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20112013
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.