Alert archive

Weather alerts in North Dakota

31,434 weather alerts since 1986, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.

Weather alerts by county

Each county as a circle sized by its count since 1986. Tap one for its archive.

Alerts
31,434
Warnings
16,455
Watches
1,999
Advisories
4,519
Busiest year
20201,579 alerts
Average year
767over 41 years on file

Over time

By year

Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.

By month of the year

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

By county

Every county with at least one alert. A county page lists each alert that covered it.

13 more counties

The latest warnings

The most recent on file, newest first.

IssuedProductOfficeCountiesLasted
Sep 14, 4:40 AM CDTHigh Wind WarningBISAdams, Billings, Bowman, Burke, Divide, Dunn and 11 more19 hr
Sep 9, 1:15 PM CDTRed Flag WarningBISAdams, Billings, Bowman, Dunn, Golden Valley, Grant and 8 more32 hr
Sep 7, 7:17 PM CDTTornado WarningBISSheridan28 min
Sep 7, 7:04 PM CDTSevere Thunderstorm WarningBISMcHenry, McLean, Pierce, Sheridan, Wells56 min
Sep 7, 6:28 PM CDTTornado WarningBISMcLean47 min
Sep 7, 6:08 PM CDTSevere Thunderstorm WarningBISMcHenry, McLean, Sheridan, Ward67 min
Sep 6, 8:14 PM CDTSevere Thunderstorm WarningBISDunn, McKenzie22 min
Sep 6, 7:42 PM CDTTornado WarningBISDunn, McKenzie33 min
Sep 6, 7:20 PM CDTTornado Warning Tornado observedBISMcKenzie40 min
Sep 6, 6:44 PM CDTSevere Thunderstorm Warning Considerable damage threatBISMcKenzie61 min
Sep 6, 6:11 PM CDTSevere Thunderstorm WarningFGFGrand Forks, Walsh64 min
Sep 6, 6:02 PM CDTSevere Thunderstorm WarningBISMcKenzie, Williams43 min

Nearby

Alerts in force nowTornadoes on recordThe radar archive

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.