Alert archive / Colorado / Larimer County / Winter Storm Watches
Winter Storm Watches in Larimer County, Colorado, 2021
10 winter storm watches in 2021. An alert counts here when it covered this county. The archive of winter storm watches reaches back to 2005.
Larimer County and its neighbors
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Winter Storm Watches
- 10
- Busiest month
- December5 winter storm watches
- Busiest day
- March 10, 20211 winter storm watches
Over time
By month
The alerts
Every alert, in the order issued. Times are local, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 10, 2:40 PM MST | Winter Storm Watch | BOU | 48 hr |
| Apr 18, 4:35 AM MDT | Winter Storm Watch | BOU | 9 hr |
| Apr 26, 3:10 PM MDT | Winter Storm Watch | BOU | 12 hr |
| May 1, 3:56 AM MDT | Winter Storm Watch | BOU | 24 hr |
| May 9, 3:40 AM MDT | Winter Storm Watch | BOU | 11 hr |
| Dec 7, 1:47 PM MST | Winter Storm Watch | BOU | 22 hr |
| Dec 22, 2:47 AM MST | Winter Storm Watch | BOU | 12 hr |
| Dec 25, 3:46 AM MST | Winter Storm Watch | BOU | 10 hr |
| Dec 28, 1:59 PM MST | Winter Storm Watch | BOU | 23 hr |
| Dec 30, 3:00 AM MST | Winter Storm Watch | BOU | 11 hr |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20202022
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. Warning verification from the Mesonet's Cow. Rebuilt daily.