Alert archive / Nebraska

Weather alerts in Johnson County, Nebraska

3,286 weather alerts since 1986, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Johnson County and its neighbors

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

Alerts
3,286
Warnings
787
Watches
706
Advisories
678
Busiest year
2019181 alerts
Average year
82over 40 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.

The latest warnings

The most recent on file, newest first.

IssuedProductOfficeLasted
Sep 14, 9:26 PM CDTSevere Thunderstorm WarningOAX30 min
Sep 14, 8:40 PM CDTSevere Thunderstorm Warning Considerable damage threatOAX50 min
Sep 14, 7:44 PM CDTSevere Thunderstorm WarningOAX46 min
Aug 19, 2:45 PM CDTSevere Thunderstorm WarningOAX47 min
Aug 19, 2:23 PM CDTSevere Thunderstorm WarningOAX52 min
Aug 18, 2:30 AM CDTSevere Thunderstorm WarningOAX60 min
Jul 24, 11:26 PM CDTExtreme Heat WarningOAX71 hr
Jul 3, 9:40 PM CDTSevere Thunderstorm WarningOAX19 min
Jul 3, 8:54 PM CDTSevere Thunderstorm WarningOAX51 min
Jul 3, 8:11 PM CDTSevere Thunderstorm WarningOAX49 min
Jul 3, 7:36 PM CDTSevere Thunderstorm WarningOAX39 min
Jun 11, 5:07 AM CDTSevere Thunderstorm Warning Considerable damage threatOAX38 min

Nearby

Alerts in force nowTornadoes on recordForecastThe 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.