Alert archive / Montana / Powell County / Winter Storm Warnings
Winter Storm Warnings in Powell County, Montana, 2011
9 winter storm warnings in 2011. An alert counts here when it covered this county. The archive of winter storm warnings reaches back to 2005.
Powell County and its neighbors
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Winter Storm Warnings
- 9
- Busiest month
- November4 winter storm warnings
- Busiest day
- January 29, 20111 winter storm warnings
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 |
|---|---|---|---|
| Jan 29, 2:45 AM MST | Winter Storm Warning | MSO | 38 hr |
| Feb 6, 4:13 AM MST | Winter Storm Warning | MSO | 53 hr |
| Feb 21, 2:36 PM MST | Winter Storm Warning | MSO | 72 hr |
| Mar 21, 11:50 AM MDT | Winter Storm Warning | MSO | 24 hr |
| May 8, 1:58 PM MDT | Winter Storm Warning | MSO | 22 hr |
| Nov 10, 12:24 PM MST | Winter Storm Warning | MSO | 45 hr |
| Nov 16, 3:54 AM MST | Winter Storm Warning | MSO | 43 hr |
| Nov 18, 8:31 AM MST | Winter Storm Warning | MSO | 20 hr |
| Nov 29, 4:38 AM MST | Winter Storm Warning | MSO | 36 hr |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20102012
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.