Alert archive / North Dakota / Severe Thunderstorm Warnings / 2009
Severe Thunderstorm Warnings in North Dakota, August 2009
29 severe thunderstorm warnings in August 2009. 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 severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in August 2009. Tap one for its archive.
- Severe Thunderstorm Warnings
- 29
- Busiest day
- August 14, 200919 severe thunderstorm warnings
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 10:57 PM CDT | Severe Thunderstorm Warning | BIS | Bowman | 63 min |
| Aug 7, 11:57 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Bowman | 48 min |
| Aug 14, 12:32 AM CDT | Severe Thunderstorm Warning | BIS | Dunn, McKenzie, Mountrail | 58 min |
| Aug 14, 1:31 AM CDT | Severe Thunderstorm Warning | BIS | Dunn, McKenzie, McLean, Mountrail | 59 min |
| Aug 14, 1:54 AM CDT | Severe Thunderstorm Warning | BIS | Dunn, McKenzie, McLean, Mountrail | 51 min |
| Aug 14, 2:59 AM CDT | Severe Thunderstorm Warning | BIS | Ward | 61 min |
| Aug 14, 3:35 AM CDT | Severe Thunderstorm Warning | BIS | Bottineau, McHenry, Renville | 55 min |
| Aug 14, 3:42 AM CDT | Severe Thunderstorm Warning | BIS | Dunn, McKenzie, Mountrail | 48 min |
| Aug 14, 4:07 AM CDT | Severe Thunderstorm Warning | BIS | Bottineau, Rolette | 33 min |
| Aug 14, 4:30 AM CDT | Severe Thunderstorm Warning | BIS | McLean, Mountrail, Ward | 45 min |
| Aug 14, 5:16 AM CDT | Severe Thunderstorm Warning | BIS | McLean, Mercer | 41 min |
| Aug 14, 6:29 AM CDT | Severe Thunderstorm Warning | BIS | McHenry, Pierce, Sheridan, Wells | 46 min |
| Aug 14, 6:47 AM CDT | Severe Thunderstorm Warning | FGF | Benson | 58 min |
| Aug 14, 7:30 AM CDT | Severe Thunderstorm Warning | FGF | Benson, Eddy, Ramsey | 60 min |
| Aug 14, 8:14 AM CDT | Severe Thunderstorm Warning | FGF | Benson, Cavalier, Nelson, Ramsey, Walsh | 61 min |
| Aug 14, 8:20 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Nelson | 55 min |
| Aug 14, 8:53 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Nelson, Steele, Traill, Walsh | 52 min |
| Aug 14, 9:39 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 66 min |
| Aug 14, 4:58 PM CDT | Severe Thunderstorm Warning | BIS | Dickey, McIntosh | 62 min |
| Aug 14, 5:43 PM CDT | Severe Thunderstorm Warning | BIS | Kidder, Stutsman | 62 min |
| Aug 14, 6:17 PM CDT | Severe Thunderstorm Warning | BIS | Kidder, Stutsman | 58 min |
| Aug 14, 7:11 PM CDT | Severe Thunderstorm Warning | FGF | Ransom, Sargent | 36 min |
| Aug 23, 11:30 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Williams | 60 min |
| Aug 24, 12:08 AM CDT | Severe Thunderstorm Warning | BIS | McKenzie | 52 min |
| Aug 24, 12:29 AM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Williams | 61 min |
| Aug 24, 12:58 AM CDT | Severe Thunderstorm Warning | BIS | McKenzie | 32 min |
| Aug 24, 1:15 AM CDT | Severe Thunderstorm Warning | BIS | Burke, Divide, McKenzie, Mountrail, Williams | 60 min |
| Aug 24, 2:15 AM CDT | Severe Thunderstorm Warning | BIS | Burke, Mountrail, Renville, Ward | 60 min |
| Aug 24, 5:22 AM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Towner | 53 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- McKenzie County9
- Mountrail County7
- Dunn County4
- McLean County4
- Ward County3
- Benson County3
- Nelson County3
- Grand Forks County3
- Williams County3
- Bowman County2
- Bottineau County2
- McHenry County2
- Renville County2
- Ramsey County2
- Cavalier County2
- Walsh County2
- Kidder County2
- Stutsman County2
- Burke County2
- Adams County1
- Rolette County1
- Mercer County1
- Pierce County1
- Sheridan County1
- Wells County1
- Eddy County1
- Steele County1
- Traill County1
- Dickey County1
- McIntosh County1
- Ransom County1
- Sargent County1
- Divide County1
- Towner County1
Nearby
Alerts in force nowTornadoes on recordThe 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.