Alert archive / Montana / Yellowstone County / 2011
Weather alerts in Yellowstone County, Montana, May 2011
14 weather alerts in May 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 14
- Warnings
- 10
- Watches
- 4
- Advisories
- 0
- Busiest day
- May 24, 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 |
|---|---|---|---|
| May 9, 8:34 PM MDT | Flood Watch | BYZ | 19 hr |
| May 10, 8:46 AM MDT | Areal Flood Warning | BYZ | 24 hr |
| May 17, 3:35 PM MDT | Flood Watch | BYZ | 5 days |
| May 21, 12:52 PM MDT | Areal Flood Warning | BYZ | 19 hr |
| May 21, 11:15 PM MDT | Areal Flood Warning | BYZ | 36 hr |
| May 22, 7:33 AM MDT | Areal Flood Warning | BYZ | 28 hr |
| May 23, 9:52 AM MDT | Flood Watch | BYZ | 48 hr |
| May 23, 10:41 AM MDT | Areal Flood Warning | BYZ | 27 hr |
| May 24, 1:16 PM MDT | Areal Flood Warning | BYZ | 47 hr |
| May 24, 3:52 PM MDT | Flash Flood Warning | BYZ | 3 hr |
| May 24, 4:45 PM MDT | Flash Flood Warning | BYZ | 3 hr |
| May 25, 4:30 PM MDT | River Flood Warning | BYZ | 20 hr |
| May 27, 3:48 AM MDT | Flood Watch | BYZ | 4 days |
| May 29, 12:57 PM MDT | Areal Flood Warning | BYZ | 29 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 | 7 |
| Flash Flood Warning | 2 |
| River Flood Warning | 1 |
| Flood Watch | 4 |
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.