Alert archive / Nebraska / Butler County

Weather alerts in Butler County, Nebraska, 2019

133 weather alerts in 2019, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Butler County and its neighbors

Each county as a circle sized by its count in 2019. Tap one for its archive.

Alerts
133
Warnings
32
Watches
24
Advisories
39
Busiest month
May22 alerts
Busiest day
May 5, 201911 alerts

Over time

By month

Warning verification

How often warnings here had a storm report inside them, and how much warning the reports had.

Butler County, 2019

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings00
Severe thunderstorm warnings10640%2100%18 min
Flash flood warnings10100%0

Each office's whole area, 2019

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Omaha, NE: tornado warnings23770%978%18 min
NWS Omaha, NE: severe thunderstorm warnings1918257%17974%17 min
NWS Omaha, NE: flash flood warnings471079%2781%284 min

An office's figures cover every county it serves, including across state lines.

Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.

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
Jan 7, 2:53 PM CSTWind AdvisoryOAX25 hr
Jan 14, 9:13 PM CSTDense Fog AdvisoryOAX12 hr
Jan 17, 3:38 AM CSTWinter Weather AdvisoryOAX48 hr
Jan 21, 3:47 AM CSTWinter Weather AdvisoryOAX50 hr
Jan 26, 3:02 PM CSTHigh Wind WatchOAX12 hr
Jan 27, 3:04 AM CSTHigh Wind WarningOAX31 hr
Jan 27, 3:55 AM CSTWind AdvisoryOAX38 hr
Jan 27, 3:18 PM CSTWind Chill WatchOAX36 hr
Jan 28, 2:38 AM CSTWind Chill WarningOAX57 hr
Jan 28, 2:38 AM CSTWind Chill AdvisoryOAX3 days
Jan 31, 12:19 PM CSTAreal Flood WarningOAX6 hr
Feb 2, 12:14 PM CSTDense Fog AdvisoryOAX25 hr
Feb 4, 7:54 PM CSTAreal Flood WarningOAX39 hr
Feb 5, 3:31 PM CSTWinter Weather AdvisoryOAX50 hr
Feb 7, 3:29 AM CSTWind Chill AdvisoryOAX33 hr
Feb 10, 3:56 AM CSTWinter Weather AdvisoryOAX44 hr
Feb 14, 2:47 AM CSTWinter Weather AdvisoryOAX25 hr
Feb 15, 4:09 AM CSTWinter Weather AdvisoryOAX14 hr
Feb 15, 3:35 PM CSTWinter Weather AdvisoryOAX50 hr
Feb 16, 7:26 PM CSTMesoscale DiscussionSPC5 hr
Feb 18, 3:50 AM CSTWinter Storm WatchOAX24 hr
Feb 19, 3:40 AM CSTWinter Storm WarningOAX32 hr
Feb 21, 4:18 AM CSTWinter Weather AdvisoryOAX71 hr
Feb 21, 4:13 PM CSTWinter Storm WatchOAX22 hr
Feb 22, 1:46 PM CSTBlizzard WarningOAX37 hr
Feb 23, 1:52 PM CSTMesoscale DiscussionSPC5 hr
Feb 23, 9:56 PM CSTWinter Weather AdvisoryOAX5 hr
Mar 2, 3:22 AM CSTWind Chill AdvisoryOAX57 hr
Mar 2, 3:38 PM CSTWind Chill AdvisoryOAX44 hr
Mar 6, 3:21 AM CSTWinter Weather AdvisoryOAX36 hr
Mar 7, 12:09 AM CSTMesoscale DiscussionSPC3 hr
Mar 8, 4:26 AM CSTWinter Weather AdvisoryOAX35 hr
Mar 9, 3:27 AM CSTWind AdvisoryOAX21 hr
Mar 11, 3:31 AM CDTFlood WatchOAX3 days
Mar 12, 3:42 AM CDTHigh Wind WatchOAX36 hr
Mar 12, 11:25 AM CDTRiver Flood WarningOAX6 days
Mar 12, 1:48 PM CDTAreal Flood AdvisoryOAX6 hr
Mar 12, 3:13 PM CDTDense Fog AdvisoryOAX25 hr
Mar 13, 7:44 AM CDTAreal Flood WarningOAX6 hr
Mar 13, 1:26 PM CDTAreal Flood WarningOAX6 hr
Mar 13, 4:02 PM CDTHigh Wind WarningOAX28 hr
Mar 13, 4:02 PM CDTWind AdvisoryOAX33 hr
Mar 13, 6:29 PM CDTAreal Flood WarningOAX39 hr
Mar 14, 10:54 AM CDTFlash Flood Warning EmergencyOAX5 hr
Mar 15, 9:45 AM CDTAreal Flood WarningOAX24 hr
Mar 16, 11:23 AM CDTAreal Flood WarningOAX48 hr
Mar 19, 10:54 AM CDTAreal Flood WarningOAX12 hr
Apr 5, 1:05 AM CDTDense Fog AdvisoryOAX9 hr
Apr 10, 4:06 AM CDTWind AdvisoryOAX30 hr
Apr 10, 5:49 PM CDTMesoscale DiscussionSPC116 min
Apr 10, 6:39 PM CDTSevere Thunderstorm WatchSPC6 hr
Apr 10, 10:08 PM CDTMesoscale DiscussionSPC2 hr
Apr 21, 7:12 PM CDTMesoscale DiscussionSPC2 hr
Apr 26, 4:28 PM CDTWind AdvisoryOAX24 hr
Apr 27, 3:24 AM CDTFrost AdvisoryOAX24 hr
May 4, 4:33 AM CDTDense Fog AdvisoryOAX4 hr
May 5, 1:35 PM CDTMesoscale DiscussionSPC2 hr
May 5, 3:10 PM CDTSpecial Weather StatementOAX50 min
May 5, 3:14 PM CDTSpecial Weather StatementOAX46 min
May 5, 3:17 PM CDTSevere Thunderstorm WarningOAX28 min
May 5, 3:39 PM CDTSevere Thunderstorm WatchSPC6 hr
May 5, 3:44 PM CDTSevere Thunderstorm WarningOAX31 min
May 5, 3:47 PM CDTSevere Thunderstorm WarningOAX28 min
May 5, 4:05 PM CDTSevere Thunderstorm WarningOAX25 min
May 5, 4:26 PM CDTSevere Thunderstorm WarningOAX34 min
May 5, 4:57 PM CDTSevere Thunderstorm WarningOAX33 min
May 5, 5:01 PM CDTMesoscale DiscussionSPC89 min
May 9, 3:33 AM CDTFrost AdvisoryOAX29 hr
May 17, 11:14 PM CDTMesoscale DiscussionSPC2 hr
May 21, 11:41 AM CDTSpecial Weather StatementOAX79 min
May 23, 7:42 PM CDTSevere Thunderstorm WatchSPC4 hr
May 26, 1:17 PM CDTFlash Flood WatchOAX25 hr
May 27, 10:55 PM CDTSevere Thunderstorm WatchSPC7 hr
May 27, 11:42 PM CDTMesoscale DiscussionSPC63 min
May 28, 3:36 AM CDTSevere Thunderstorm WarningOAX24 min
May 28, 7:19 AM CDTAreal Flood WarningOAX11 hr
May 28, 1:44 PM CDTRiver Flood WarningOAX3 days
Jun 6, 1:40 PM CDTSpecial Weather StatementOAX20 min
Jun 6, 2:35 PM CDTSpecial Weather StatementOAX25 min
Jun 14, 9:18 PM CDTSevere Thunderstorm WarningOAX42 min
Jun 20, 9:53 AM CDTMesoscale DiscussionSPC2 hr
Jun 20, 9:44 PM CDTSevere Thunderstorm WatchSPC9 hr
Jun 21, 2:25 AM CDTSevere Thunderstorm WarningOAX50 min
Jun 21, 2:39 AM CDTSevere Thunderstorm WatchSPC8 hr
Jun 21, 4:34 AM CDTMesoscale DiscussionSPC86 min
Jun 25, 2:19 AM CDTMesoscale DiscussionSPC2 hr
Jun 25, 1:58 PM CDTMesoscale DiscussionSPC92 min
Jun 25, 3:08 PM CDTSevere Thunderstorm WatchSPC9 hr
Jun 26, 1:55 AM CDTMesoscale DiscussionSPC2 hr
Jun 26, 2:26 AM CDTSevere Thunderstorm WatchSPC7 hr
Jun 26, 4:27 AM CDTSpecial Weather StatementOAX33 min
Jun 26, 4:54 AM CDTSpecial Weather StatementOAX36 min
Jun 26, 6:34 AM CDTMesoscale DiscussionSPC116 min
Jun 28, 3:01 PM CDTHeat AdvisoryOAX30 hr
Jun 29, 2:55 AM CDTHeat AdvisoryOAX41 hr
Jul 2, 3:42 PM CDTMesoscale DiscussionSPC93 min
Jul 5, 4:54 AM CDTMesoscale DiscussionSPC2 hr
Jul 9, 2:52 AM CDTSpecial Weather StatementOAX38 min
Jul 9, 3:34 AM CDTSpecial Weather StatementOAX56 min
Jul 15, 3:48 PM CDTExcessive Heat WatchOAX5 hr
Jul 15, 3:48 PM CDTExcessive Heat WatchOAX5 hr
Jul 15, 3:48 PM CDTExcessive Heat WatchOAX36 hr
Jul 16, 3:56 PM CDTExcessive Heat WarningOAX4 days
Jul 20, 11:01 PM CDTMesoscale DiscussionSPC119 min
Aug 7, 1:27 AM CDTSpecial Weather StatementOAX33 min
Aug 11, 7:43 AM CDTSpecial Weather StatementOAX62 min
Aug 11, 2:47 PM CDTFlash Flood WatchOAX14 hr
Aug 11, 9:11 PM CDTMesoscale DiscussionSPC2 hr
Aug 12, 2:18 AM CDTSpecial Weather StatementOAX57 min
Sep 8, 7:06 AM CDTDense Fog AdvisoryOAX114 min
Sep 18, 10:28 PM CDTMesoscale DiscussionSPC2 hr
Sep 24, 7:33 PM CDTSevere Thunderstorm WarningOAX27 min
Sep 30, 3:58 AM CDTFlash Flood WatchOAX41 hr
Sep 30, 4:59 PM CDTMesoscale DiscussionSPC2 hr
Oct 1, 8:35 PM CDTFlood WatchOAX9 hr
Oct 9, 3:11 AM CDTFreeze WatchOAX12 hr
Oct 9, 3:33 PM CDTFreeze WarningOAX42 hr
Oct 11, 4:12 AM CDTFreeze WarningOAX30 hr
Oct 18, 3:47 AM CDTWind AdvisoryOAX14 hr
Oct 20, 5:48 PM CDTMesoscale DiscussionSPC117 min
Oct 21, 3:42 AM CDTWind AdvisoryOAX30 hr
Oct 29, 3:37 AM CDTWinter Weather AdvisoryOAX42 hr
Nov 10, 2:34 PM CSTWinter Weather AdvisoryOAX18 hr
Nov 24, 1:51 PM CSTWinter Storm WatchOAX26 hr
Nov 25, 3:52 AM CSTWinter Storm WarningOAX53 hr
Nov 26, 10:58 AM CSTMesoscale DiscussionSPC6 hr
Nov 26, 5:23 PM CSTMesoscale DiscussionSPC6 hr
Nov 27, 4:07 PM CSTWinter Weather AdvisoryOAX47 hr
Nov 30, 3:20 AM CSTWind AdvisoryOAX33 hr
Nov 30, 2:58 PM CSTHigh Wind WarningOAX13 hr
Dec 9, 1:30 AM CSTWind AdvisoryOAX9 hr
Dec 13, 6:38 AM CSTSpecial Weather StatementOAX112 min
Dec 28, 9:33 AM CSTFlood WatchOAX10 hr

By product

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

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive20182020

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.