Alert archive / Nebraska / Johnson County / 2026

Weather alerts in Johnson County, Nebraska, April 2026

21 weather alerts in April 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Alerts
21
Warnings
9
Watches
4
Advisories
1
Busiest day
April 23, 20269 alerts

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.

IssuedProductOfficeLasted
Apr 9, 5:11 PM CDTSevere Thunderstorm WatchSPC7 hr
Apr 14, 7:28 PM CDTMesoscale DiscussionSPC2 hr
Apr 14, 9:56 PM CDTSevere Thunderstorm WatchSPC4 hr
Apr 14, 10:28 PM CDTSevere Thunderstorm WarningOAX47 min
Apr 14, 11:16 PM CDTFlash Flood WarningOAX3 hr
Apr 14, 11:36 PM CDTMesoscale DiscussionSPC84 min
Apr 14, 11:54 PM CDTFlash Flood WarningOAX3 hr
Apr 23, 11:13 AM CDTMesoscale DiscussionSPC2 hr
Apr 23, 12:02 PM CDTTornado WatchSPC7 hr
Apr 23, 2:37 PM CDTMesoscale DiscussionSPC83 min
Apr 23, 3:42 PM CDTSevere Thunderstorm WarningOAX48 min
Apr 23, 4:23 PM CDTSevere Thunderstorm WarningOAX52 min
Apr 23, 4:38 PM CDTTornado WarningOAX52 min
Apr 23, 4:55 PM CDTSevere Thunderstorm WarningOAX50 min
Apr 23, 5:04 PM CDTMesoscale DiscussionSPC116 min
Apr 23, 5:12 PM CDTSevere Thunderstorm WarningOAX48 min
Apr 25, 1:01 PM CDTMesoscale DiscussionSPC119 min
Apr 25, 6:21 PM CDTMesoscale DiscussionSPC84 min
Apr 25, 9:41 PM CDTSevere Thunderstorm WarningOAX49 min
Apr 26, 10:29 AM CDTFlood WatchOAX19 hr
Apr 30, 12:38 PM CDTFrost AdvisoryOAX20 hr

By product

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

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive2025

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.