Alert archive / Montana / Flash Flood Warnings / 2011
Flash Flood Warnings in Montana, July 2011
21 flash flood warnings in July 2011. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of flash flood warnings reaches back to 1986.
Flash Flood Warnings by county
Each county as a circle sized by its count in July 2011. Tap one for its archive.
- Flash Flood Warnings
- 21
- Busiest day
- July 7, 20114 flash flood warnings
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 | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 5:40 PM MDT | Flash Flood Warning | BYZ | Carter, Powder River | 2 hr |
| Jul 2, 8:30 PM MDT | Flash Flood Warning | GGW | Richland | 3 hr |
| Jul 2, 8:49 PM MDT | Flash Flood Warning | GGW | Dawson | 3 hr |
| Jul 6, 5:37 PM MDT | Flash Flood Warning | BYZ | Park | 3 hr |
| Jul 6, 5:39 PM MDT | Flash Flood Warning | BYZ | Carbon | 3 hr |
| Jul 6, 6:52 PM MDT | Flash Flood Warning | BYZ | Big Horn, Carbon | 115 min |
| Jul 6, 8:03 PM MDT | Flash Flood Warning | BYZ | Yellowstone | 98 min |
| Jul 7, 2:56 PM MDT | Flash Flood Warning | TFX | Fergus, Judith Basin | 3 hr |
| Jul 7, 3:08 PM MDT | Flash Flood Warning | BYZ | Wheatland | 3 hr |
| Jul 7, 7:14 PM MDT | Flash Flood Warning | TFX | Blaine | 3 hr |
| Jul 8, 1:52 AM MDT | Flash Flood Warning | GGW | Dawson, McCone | 4 hr |
| Jul 12, 5:01 PM MDT | Flash Flood Warning | BYZ | Big Horn | 2 hr |
| Jul 13, 3:47 PM MDT | Flash Flood Warning | TFX | Judith Basin | 3 hr |
| Jul 13, 6:54 PM MDT | Flash Flood Warning | TFX | Blaine, Chouteau, Hill | 5 hr |
| Jul 14, 7:19 PM MDT | Flash Flood Warning | GGW | Garfield | 3 hr |
| Jul 14, 10:29 PM MDT | Flash Flood Warning | BYZ | Rosebud | 3 hr |
| Jul 15, 9:40 PM MDT | Flash Flood Warning | GGW | Dawson, McCone, Prairie | 4 hr |
| Jul 16, 1:52 AM MDT | Flash Flood Warning | GGW | Dawson, McCone, Richland | 3 hr |
| Jul 19, 4:19 PM MDT | Flash Flood Warning | MSO | Flathead | 74 min |
| Jul 22, 3:06 PM MDT | Flash Flood Warning | GGW | Valley | 2 hr |
| Jul 22, 5:07 PM MDT | Flash Flood Warning | GGW | Dawson, Garfield, McCone, Prairie, Richland, Roosevelt and 3 more | 2 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Dawson County5
- McCone County4
- Richland County3
- Carbon County2
- Big Horn County2
- Judith Basin County2
- Blaine County2
- Garfield County2
- Prairie County2
- Valley County2
- Carter County1
- Powder River County1
- Park County1
- Yellowstone County1
- Fergus County1
- Wheatland County1
- Chouteau County1
- Hill County1
- Rosebud County1
- Flathead County1
- Roosevelt County1
- Sheridan County1
- Wibaux County1
Nearby
Alerts in force nowTornadoes on recordThe 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.