Alert archive / Montana / Valley County / 2009
Weather alerts in Valley County, Montana, August 2009
14 weather alerts in August 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 14
- Warnings
- 2
- Watches
- 3
- Advisories
- 6
- Busiest day
- August 24, 20093 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 |
|---|---|---|---|
| Aug 4, 3:27 AM MDT | Lake Wind Advisory | GGW | 12 hr |
| Aug 6, 7:39 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 6, 9:55 PM MDT | Mesoscale Discussion | SPC | 65 min |
| Aug 12, 7:54 PM MDT | Special Weather Statement | GGW | 66 min |
| Aug 13, 7:45 PM MDT | Lake Wind Advisory | GGW | 7 hr |
| Aug 14, 5:10 PM MDT | Mesoscale Discussion | SPC | 65 min |
| Aug 14, 8:00 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 15, 8:32 AM MDT | Lake Wind Advisory | GGW | 8 hr |
| Aug 16, 3:13 AM MDT | Lake Wind Advisory | GGW | 18 hr |
| Aug 18, 2:57 PM MDT | Lake Wind Advisory | GGW | 30 hr |
| Aug 23, 7:55 PM MDT | Tornado Watch | SPC | 5 hr |
| Aug 23, 8:30 PM MDT | Severe Thunderstorm Warning | GGW | 60 min |
| Aug 23, 9:28 PM MDT | Severe Thunderstorm Warning | GGW | 30 min |
| Aug 30, 2:39 PM MDT | Lake Wind Advisory | GGW | 5 hr |
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 | 2 |
| Severe Thunderstorm Watch | 2 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 2 |
| Special Weather Statement | 1 |
| Wind and dust | |
| Lake Wind Advisory | 6 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20082010
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.