Flash Flood Warnings in North Dakota
555 flash flood warnings since 1986. 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 since 1986. Tap one for its archive.
- Flash Flood Warnings
- 555
- Busiest year
- 200575 flash flood warnings
- Average year
- 16over 34 years on file
Over time
By year
Before October 2007 these were issued for whole counties, and a storm crossing three counties was often three warnings; since then one polygon follows the storm. The count changed with the practice, not only with the weather.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Grand Forks County53
- Cass County52
- Richland County47
- Morton County40
- Burleigh County40
- Benson County33
- Stutsman County32
- Ramsey County28
- Ward County28
- Nelson County27
- Emmons County26
- Bottineau County26
- Barnes County25
- Eddy County25
- Wells County24
- Sioux County23
- Ransom County23
- McKenzie County23
- Cavalier County22
- Sargent County21
- Pembina County21
- Towner County21
- McHenry County21
- Kidder County19
- Walsh County19
- Griggs County17
- Traill County17
- McLean County17
- Grant County16
- Steele County16
- Renville County16
- Foster County15
- Rolette County15
- Oliver County15
- Dickey County14
- Mountrail County14
- Dunn County14
- Pierce County13
- LaMoure County12
- Hettinger County12
The latest flash flood warnings
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 3, 9:13 AM CDT | Flash Flood Warning | BIS | Bottineau, McHenry, Pierce, Rolette | 2 hr |
| Sep 3, 7:22 AM CDT | Flash Flood Warning | BIS | McHenry | 3 hr |
| Sep 3, 6:18 AM CDT | Flash Flood Warning | BIS | McHenry, Ward | 3 hr |
| Jul 30, 5:02 PM CDT | Flash Flood Warning | FGF | Grand Forks | 3 hr |
| Jul 9, 7:41 PM CDT | Flash Flood Warning | FGF | Benson, Ramsey | 3 hr |
| Jun 29, 5:28 PM CDT | Flash Flood Warning | BIS | Bottineau | 4 hr |
Nearby
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. Rebuilt daily.