Alert archive / Montana / Valley County / 2011
Weather alerts in Valley County, Montana, April 2011
22 weather alerts in April 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 22
- Warnings
- 12
- Watches
- 2
- Advisories
- 8
- Busiest day
- April 5, 20113 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|
| Apr 1, 3:50 AM MDT | Winter Storm Watch | GGW | 24 hr |
| Apr 1, 9:43 AM MDT | Areal Flood Advisory | GGW | 67 hr |
| Apr 2, 3:26 AM MDT | Winter Storm Warning | GGW | 34 hr |
| Apr 2, 3:26 AM MDT | Winter Weather Advisory | GGW | 34 hr |
| Apr 3, 12:31 PM MDT | Flood Watch | GGW | 48 hr |
| Apr 4, 4:21 AM MDT | Areal Flood Warning | GGW | 69 hr |
| Apr 5, 12:45 PM MDT | Areal Flood Advisory | GGW | 25 hr |
| Apr 5, 1:02 PM MDT | River Flood Warning | GGW | 30 days |
| Apr 5, 1:02 PM MDT | River Flood Warning | GGW | 26 days |
| Apr 6, 9:54 AM MDT | River Flood Warning | GGW | 22 days |
| Apr 6, 1:55 PM MDT | Areal Flood Warning | GGW | 11 hr |
| Apr 7, 1:04 AM MDT | Areal Flood Warning | GGW | 7 days |
| Apr 9, 10:11 PM MDT | River Flood Warning | GGW | 11 days |
| Apr 11, 2:14 PM MDT | Areal Flood Advisory | GGW | 5 days |
| Apr 13, 10:28 PM MDT | Areal Flood Warning | GGW | 8 days |
| Apr 14, 4:12 AM MDT | Winter Weather Advisory | GGW | 17 hr |
| Apr 16, 2:24 PM MDT | Winter Weather Advisory | GGW | 24 hr |
| Apr 21, 1:21 PM MDT | Areal Flood Warning | GGW | 72 hr |
| Apr 24, 1:02 PM MDT | Areal Flood Advisory | GGW | 50 hr |
| Apr 25, 12:18 PM MDT | River Flood Warning | GGW | 45 hr |
| Apr 29, 2:39 PM MDT | Lake Wind Advisory | GGW | 29 hr |
| Apr 30, 10:34 AM MDT | High Wind Warning | GGW | 7 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Flooding | |
| Areal Flood Warning | 5 |
| River Flood Warning | 5 |
| Flood Watch | 1 |
| Areal Flood Advisory | 4 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 3 |
| Wind and dust | |
| High Wind Warning | 1 |
| Lake Wind Advisory | 1 |
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.