Alert archive / North Dakota / Tornado Warnings
Tornado Warnings in North Dakota, 1987
15 tornado warnings in 1987. 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 tornado warnings reaches back to 1986.
Tornado Warnings by county
Each county as a circle sized by its count in 1987. Tap one for its archive.
- Tornado Warnings
- 15
- Busiest month
- July9 tornado warnings
- Busiest day
- July 20, 19874 tornado warnings
Over time
By month
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 |
|---|---|---|---|---|
| Jun 16, 9:21 PM CDT | Tornado Warning | BIS | McLean, Ward | 24 min |
| Jul 19, 9:22 PM CDT | Tornado Warning | BIS | Adams, Sioux | 38 min |
| Jul 19, 9:58 PM CDT | Tornado Warning | BIS | Sioux | 32 min |
| Jul 19, 10:34 PM CDT | Tornado Warning | BIS | Adams | 26 min |
| Jul 20, 2:31 AM CDT | Tornado Warning | BIS | Hettinger | 29 min |
| Jul 21, 4:51 PM CDT | Tornado Warning | FGF | Barnes, Cass, Steele | 39 min |
| Jul 21, 4:51 PM CDT | Tornado Warning | FGF | Traill | 39 min |
| Jul 21, 5:36 PM CDT | Tornado Warning | FGF | Cass, Traill | 54 min |
| Jul 21, 7:14 PM CDT | Tornado Warning | FGF | Nelson | 61 min |
| Jul 21, 9:25 PM CDT | Tornado Warning | BIS | Eddy | 35 min |
| Aug 1, 2:02 AM CDT | Tornado Warning | FGF | Ransom, Richland, Sargent | 58 min |
| Aug 5, 7:05 PM CDT | Tornado Warning | FGF | Nelson | 60 min |
| Aug 5, 7:49 PM CDT | Tornado Warning | FGF | Grand Forks | 56 min |
| Aug 15, 3:49 PM CDT | Tornado Warning | FGF | Richland | 41 min |
| Aug 17, 7:40 PM CDT | Tornado Warning | FGF | Cass | 35 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19861988
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.