Alert archive / North Dakota / Severe Thunderstorm Warnings / 1999
Severe Thunderstorm Warnings in North Dakota, August 1999
86 severe thunderstorm warnings in August 1999. 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 1999. Tap one for its archive.
- Severe Thunderstorm Warnings
- 86
- Busiest day
- August 9, 199925 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 6, 5:13 PM CDT | Severe Thunderstorm Warning | BIS | McHenry | 47 min |
| Aug 6, 5:47 PM CDT | Severe Thunderstorm Warning | FGF | Ransom, Richland | 33 min |
| Aug 6, 6:55 PM CDT | Severe Thunderstorm Warning | FGF | Towner | 30 min |
| Aug 8, 10:19 AM CDT | Severe Thunderstorm Warning | BIS | Mountrail | 41 min |
| Aug 8, 8:04 PM CDT | Severe Thunderstorm Warning | BIS | Dunn | 56 min |
| Aug 8, 8:45 PM CDT | Severe Thunderstorm Warning | BIS | Stark | 45 min |
| Aug 8, 9:04 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie | 61 min |
| Aug 8, 9:07 PM CDT | Severe Thunderstorm Warning | BIS | Morton | 53 min |
| Aug 8, 9:17 PM CDT | Severe Thunderstorm Warning | BIS | Williams | 63 min |
| Aug 8, 9:22 PM CDT | Severe Thunderstorm Warning | BIS | Divide | 63 min |
| Aug 8, 9:43 PM CDT | Severe Thunderstorm Warning | BIS | Burke | 47 min |
| Aug 8, 10:14 PM CDT | Severe Thunderstorm Warning | BIS | Renville, Ward | 61 min |
| Aug 8, 10:16 PM CDT | Severe Thunderstorm Warning | BIS | Williams | 29 min |
| Aug 8, 10:39 PM CDT | Severe Thunderstorm Warning | BIS | Mountrail | 66 min |
| Aug 8, 11:19 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau, Renville | 56 min |
| Aug 8, 11:19 PM CDT | Severe Thunderstorm Warning | BIS | Ward | 56 min |
| Aug 8, 11:29 PM CDT | Severe Thunderstorm Warning | FGF | Ransom, Richland | 31 min |
| Aug 8, 11:58 PM CDT | Severe Thunderstorm Warning | FGF | Richland | 32 min |
| Aug 9, 12:27 AM CDT | Severe Thunderstorm Warning | BIS | Ward | 63 min |
| Aug 9, 12:28 AM CDT | Severe Thunderstorm Warning | FGF | Richland | 32 min |
| Aug 9, 12:59 AM CDT | Severe Thunderstorm Warning | FGF | Richland | 36 min |
| Aug 9, 1:14 AM CDT | Severe Thunderstorm Warning | BIS | McHenry | 46 min |
| Aug 9, 1:22 AM CDT | Severe Thunderstorm Warning | BIS | McLean | 53 min |
| Aug 9, 2:05 AM CDT | Severe Thunderstorm Warning | BIS | Sheridan | 55 min |
| Aug 9, 3:46 AM CDT | Severe Thunderstorm Warning | FGF | Griggs | 34 min |
| Aug 9, 4:03 AM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 42 min |
| Aug 9, 4:08 AM CDT | Severe Thunderstorm Warning | FGF | Barnes | 32 min |
| Aug 9, 4:24 AM CDT | Severe Thunderstorm Warning | FGF | Cass | 36 min |
| Aug 9, 5:02 AM CDT | Severe Thunderstorm Warning | FGF | Cass | 33 min |
| Aug 11, 12:49 AM CDT | Severe Thunderstorm Warning | FGF | Cavalier | 36 min |
| Aug 11, 12:57 AM CDT | Severe Thunderstorm Warning | BIS | Rolette | 63 min |
| Aug 11, 5:32 PM CDT | Severe Thunderstorm Warning | BIS | Slope | 58 min |
| Aug 11, 6:05 PM CDT | Severe Thunderstorm Warning | BIS | Bowman | 40 min |
| Aug 11, 7:02 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Hettinger | 58 min |
| Aug 15, 5:49 AM CDT | Severe Thunderstorm Warning | BIS | Sheridan, Wells | 41 min |
| Aug 15, 11:08 AM CDT | Severe Thunderstorm Warning | FGF | Pembina, Walsh | 32 min |
| Aug 15, 11:55 AM CDT | Severe Thunderstorm Warning | FGF | Walsh | 35 min |
| Aug 15, 12:30 PM CDT | Severe Thunderstorm Warning | FGF | Walsh | 35 min |
| Aug 15, 12:55 PM CDT | Severe Thunderstorm Warning | FGF | Walsh | 35 min |
| Aug 15, 3:12 PM CDT | Severe Thunderstorm Warning | BIS | Golden Valley | 63 min |
| Aug 15, 3:44 PM CDT | Severe Thunderstorm Warning | BIS | Billings | 61 min |
| Aug 15, 4:06 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, Stark | 54 min |
| Aug 15, 4:20 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie | 45 min |
| Aug 15, 4:36 PM CDT | Severe Thunderstorm Warning | BIS | Bowman | 54 min |
| Aug 15, 4:46 PM CDT | Severe Thunderstorm Warning | BIS | Slope | 59 min |
| Aug 15, 4:55 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, Stark | 65 min |
| Aug 15, 5:20 PM CDT | Severe Thunderstorm Warning | BIS | Mercer, Morton, Oliver | 55 min |
| Aug 15, 5:20 PM CDT | Severe Thunderstorm Warning | BIS | McLean | 55 min |
| Aug 15, 5:25 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie | 60 min |
| Aug 15, 5:33 PM CDT | Severe Thunderstorm Warning | BIS | Hettinger | 57 min |
| Aug 15, 6:16 PM CDT | Severe Thunderstorm Warning | BIS | McLean | 44 min |
| Aug 15, 6:19 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Morton, Oliver | 56 min |
| Aug 15, 7:06 PM CDT | Severe Thunderstorm Warning | BIS | Kidder, Sheridan, Wells | 54 min |
| Aug 15, 7:06 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh | 54 min |
| Aug 15, 7:22 PM CDT | Severe Thunderstorm Warning | FGF | Benson | 48 min |
| Aug 15, 7:30 PM CDT | Severe Thunderstorm Warning | BIS | McHenry, Pierce | 60 min |
| Aug 15, 7:46 PM CDT | Severe Thunderstorm Warning | BIS | Logan, Stutsman | 59 min |
| Aug 15, 8:05 PM CDT | Severe Thunderstorm Warning | BIS | LaMoure | 55 min |
| Aug 15, 8:10 PM CDT | Severe Thunderstorm Warning | FGF | Eddy | 35 min |
| Aug 20, 5:56 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie | 44 min |
| Aug 20, 6:15 PM CDT | Severe Thunderstorm Warning | BIS | Billings | 45 min |
| Aug 20, 6:21 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie | 64 min |
| Aug 20, 7:05 PM CDT | Severe Thunderstorm Warning | BIS | Billings | 30 min |
| Aug 20, 7:35 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Stark | 55 min |
| Aug 21, 6:15 PM CDT | Severe Thunderstorm Warning | BIS | Burke, Renville | 45 min |
| Aug 21, 6:44 PM CDT | Severe Thunderstorm Warning | BIS | Ward | 31 min |
| Aug 21, 7:22 PM CDT | Severe Thunderstorm Warning | BIS | Burke, Ward | 28 min |
| Aug 22, 4:51 PM CDT | Severe Thunderstorm Warning | FGF | Barnes | 34 min |
| Aug 22, 4:56 PM CDT | Severe Thunderstorm Warning | BIS | LaMoure, Stutsman | 49 min |
| Aug 22, 5:09 PM CDT | Severe Thunderstorm Warning | FGF | Eddy | 31 min |
| Aug 22, 5:28 PM CDT | Severe Thunderstorm Warning | FGF | Barnes | 32 min |
| Aug 22, 5:35 PM CDT | Severe Thunderstorm Warning | FGF | Griggs, Steele | 35 min |
| Aug 22, 5:50 PM CDT | Severe Thunderstorm Warning | BIS | LaMoure | 35 min |
| Aug 22, 6:04 PM CDT | Severe Thunderstorm Warning | FGF | Barnes | 31 min |
| Aug 22, 6:11 PM CDT | Severe Thunderstorm Warning | BIS | Dickey | 64 min |
| Aug 22, 6:13 PM CDT | Severe Thunderstorm Warning | FGF | Steele | 32 min |
| Aug 22, 6:23 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 32 min |
| Aug 22, 6:40 PM CDT | Severe Thunderstorm Warning | FGF | Steele | 15 min |
| Aug 22, 6:55 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 35 min |
| Aug 22, 7:15 PM CDT | Severe Thunderstorm Warning | BIS | Dickey | 30 min |
| Aug 22, 10:51 PM CDT | Severe Thunderstorm Warning | FGF | Richland | 34 min |
| Aug 28, 12:56 AM CDT | Severe Thunderstorm Warning | FGF | Richland | 34 min |
| Aug 28, 1:49 AM CDT | Severe Thunderstorm Warning | FGF | Ransom | 36 min |
| Aug 28, 2:42 AM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 63 min |
| Aug 28, 2:46 AM CDT | Severe Thunderstorm Warning | FGF | Sargent | 34 min |
| Aug 28, 3:13 AM CDT | Severe Thunderstorm Warning | FGF | Ransom | 32 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Richland County7
- McKenzie County5
- Ward County5
- Ransom County4
- Stark County4
- Stutsman County4
- Barnes County4
- Walsh County4
- Billings County4
- McHenry County3
- Dunn County3
- Morton County3
- Burke County3
- Renville County3
- McLean County3
- Sheridan County3
- LaMoure County3
- Steele County3
- Mountrail County2
- Williams County2
- Griggs County2
- Cass County2
- Slope County2
- Bowman County2
- Hettinger County2
- Wells County2
- Oliver County2
- Burleigh County2
- Eddy County2
- Dickey County2
- Grand Forks County2
- Towner County1
- Divide County1
- Bottineau County1
- Cavalier County1
- Rolette County1
- Adams County1
- Pembina County1
- Golden Valley County1
- Mercer County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive19982000
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.