Alert archive / Nebraska / Butler County

Weather alerts in Butler County, Nebraska, 2015

118 weather alerts in 2015, 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 2015. Tap one for its archive.

Alerts
118
Warnings
29
Watches
17
Advisories
32
Busiest month
June18 alerts
Busiest day
May 3, 20155 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, 2015

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings00
Severe thunderstorm warnings12467%2100%10 min
Flash flood warnings00

Each office's whole area, 2015

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Omaha, NE: tornado warnings22768%1080%11 min
NWS Omaha, NE: severe thunderstorm warnings26211656%22082%18 min
NWS Omaha, NE: flash flood warnings261158%3097%88 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 3, 3:53 AM CSTWinter Weather AdvisoryOAX25 hr
Jan 3, 11:51 AM CSTWind Chill AdvisoryOAX23 hr
Jan 5, 8:55 PM CSTWinter Weather AdvisoryOAX6 hr
Jan 6, 2:37 PM CSTWind Chill AdvisoryOAX21 hr
Jan 8, 3:57 PM CSTWind Chill AdvisoryOAX17 hr
Jan 17, 4:32 AM CSTWind AdvisoryOAX12 hr
Jan 24, 4:08 PM CSTWind AdvisoryOAX17 hr
Jan 28, 3:15 PM CSTWind AdvisoryOAX16 hr
Jan 31, 5:11 AM CSTWinter Storm WarningOAX37 hr
Jan 31, 5:11 AM CSTWinter Weather AdvisoryOAX38 hr
Feb 1, 7:34 PM CSTWind Chill AdvisoryOAX13 hr
Feb 3, 4:16 PM CSTWinter Weather AdvisoryOAX21 hr
Feb 4, 4:24 AM CSTMesoscale DiscussionSPC4 hr
Feb 6, 10:22 PM CSTSpecial Weather StatementOAX3 hr
Feb 9, 3:29 AM CSTDense Fog AdvisoryOAX10 hr
Mar 3, 7:06 AM CSTFreezing Rain AdvisoryOAX3 hr
Mar 3, 10:21 AM CSTWind AdvisoryOAX5 hr
Mar 11, 3:54 PM CDTFire Weather WatchOAX12 hr
Mar 11, 3:54 PM CDTRed Flag WarningOAX27 hr
Mar 14, 3:42 AM CDTFire Weather WatchOAX24 hr
Mar 14, 3:08 PM CDTRed Flag WarningOAX29 hr
Mar 15, 3:48 AM CDTFire Weather WatchOAX23 hr
Mar 16, 3:10 AM CDTRed Flag WarningOAX17 hr
Mar 20, 3:30 AM CDTRed Flag WarningOAX17 hr
Mar 25, 3:30 AM CDTDense Fog AdvisoryOAX7 hr
Mar 28, 3:39 PM CDTWind AdvisoryOAX23 hr
Mar 29, 3:56 AM CDTRed Flag WarningOAX12 hr
Mar 30, 3:54 AM CDTRed Flag WarningOAX15 hr
Apr 1, 12:35 PM CDTWind AdvisoryOAX5 hr
Apr 1, 3:50 PM CDTMesoscale DiscussionSPC115 min
Apr 1, 5:57 PM CDTSevere Thunderstorm WatchSPC7 hr
Apr 1, 8:25 PM CDTMesoscale DiscussionSPC95 min
Apr 1, 8:38 PM CDTSpecial Weather StatementOAX22 min
Apr 3, 3:38 AM CDTFire Weather WatchOAX12 hr
Apr 3, 3:26 PM CDTRed Flag WarningOAX29 hr
Apr 12, 5:42 PM CDTMesoscale DiscussionSPC63 min
Apr 12, 5:52 PM CDTSevere Thunderstorm WarningOAX23 min
Apr 12, 6:04 PM CDTSevere Thunderstorm WarningOAX26 min
Apr 12, 6:27 PM CDTSevere Thunderstorm WarningOAX48 min
Apr 18, 7:52 AM CDTSpecial Weather StatementOAX38 min
Apr 20, 3:47 AM CDTWind AdvisoryOAX14 hr
May 2, 8:01 PM CDTMesoscale DiscussionSPC89 min
May 2, 10:25 PM CDTSevere Thunderstorm WarningOAX35 min
May 2, 11:09 PM CDTSpecial Weather StatementOAX51 min
May 2, 11:19 PM CDTSevere Thunderstorm WarningOAX41 min
May 3, 3:57 PM CDTMesoscale DiscussionSPC2 hr
May 3, 7:06 PM CDTMesoscale DiscussionSPC84 min
May 6, 5:36 PM CDTMesoscale DiscussionSPC84 min
May 6, 6:57 PM CDTSevere Thunderstorm WarningOAX33 min
May 6, 7:43 PM CDTFlash Flood WatchOAX8 hr
May 7, 2:32 AM CDTAreal Flood AdvisoryOAX6 hr
May 7, 8:25 AM CDTAreal Flood AdvisoryOAX9 hr
May 10, 10:46 AM CDTTornado WatchSPC8 hr
May 25, 5:08 PM CDTMesoscale DiscussionSPC67 min
Jun 3, 2:48 AM CDTSpecial Weather StatementOAX27 min
Jun 3, 3:01 AM CDTMesoscale DiscussionSPC89 min
Jun 4, 1:56 AM CDTMesoscale DiscussionSPC94 min
Jun 4, 1:14 PM CDTFlash Flood WatchOAX17 hr
Jun 4, 7:40 PM CDTSevere Thunderstorm WarningOAX35 min
Jun 4, 8:10 PM CDTMesoscale DiscussionSPC65 min
Jun 6, 3:40 PM CDTTornado WatchSPC5 hr
Jun 6, 8:11 PM CDTMesoscale DiscussionSPC64 min
Jun 10, 3:13 PM CDTMesoscale DiscussionSPC92 min
Jun 10, 6:18 PM CDTMesoscale DiscussionSPC87 min
Jun 10, 8:26 PM CDTMesoscale DiscussionSPC64 min
Jun 10, 9:07 PM CDTSpecial Weather StatementOAX53 min
Jun 10, 10:35 PM CDTFlash Flood WatchOAX13 hr
Jun 11, 1:02 AM CDTAreal Flood WarningOAX3 hr
Jun 24, 12:39 AM CDTMesoscale DiscussionSPC66 min
Jun 24, 2:31 AM CDTSpecial Weather StatementOAX29 min
Jun 24, 5:16 AM CDTAreal Flood AdvisoryOAX4 hr
Jun 24, 10:19 AM CDTMesoscale DiscussionSPC116 min
Jul 11, 11:59 AM CDTHeat AdvisoryOAX32 hr
Jul 12, 4:51 PM CDTMesoscale DiscussionSPC114 min
Jul 17, 8:57 PM CDTMesoscale DiscussionSPC3 hr
Jul 23, 3:07 PM CDTHeat AdvisoryOAX29 hr
Jul 24, 11:28 PM CDTSevere Thunderstorm WarningOAX47 min
Jul 25, 12:18 AM CDTSevere Thunderstorm WarningOAX27 min
Jul 25, 2:48 PM CDTHeat AdvisoryOAX28 hr
Jul 31, 2:45 PM CDTMesoscale DiscussionSPC3 hr
Aug 2, 6:22 PM CDTMesoscale DiscussionSPC53 min
Aug 2, 6:31 PM CDTSevere Thunderstorm WarningOAX59 min
Aug 16, 8:11 PM CDTSpecial Weather StatementOAX34 min
Aug 17, 11:50 PM CDTAreal Flood AdvisoryOAX3 hr
Aug 18, 5:58 AM CDTAreal Flood WarningOAX15 hr
Aug 18, 10:30 PM CDTAreal Flood AdvisoryOAX9 hr
Aug 22, 2:55 PM CDTMesoscale DiscussionSPC65 min
Aug 22, 3:48 PM CDTTornado WatchSPC8 hr
Aug 27, 5:36 AM CDTMesoscale DiscussionSPC2 hr
Aug 27, 5:41 PM CDTSevere Thunderstorm WatchSPC5 hr
Aug 27, 7:58 PM CDTMesoscale DiscussionSPC92 min
Sep 6, 5:26 PM CDTMesoscale DiscussionSPC94 min
Sep 18, 8:51 AM CDTSpecial Weather StatementOAX24 min
Sep 18, 9:25 AM CDTMesoscale DiscussionSPC65 min
Sep 18, 9:56 AM CDTSevere Thunderstorm WarningOAX34 min
Sep 18, 10:38 AM CDTSevere Thunderstorm WarningOAX37 min
Sep 22, 10:23 PM CDTMesoscale DiscussionSPC2 hr
Sep 23, 5:53 PM CDTSpecial Weather StatementOAX22 min
Sep 23, 6:47 PM CDTSpecial Weather StatementOAX28 min
Oct 12, 4:11 AM CDTRed Flag WarningOAX14 hr
Oct 13, 3:59 AM CDTRed Flag WarningOAX11 hr
Oct 15, 4:15 AM CDTFreeze WarningOAX29 hr
Oct 28, 2:35 AM CDTFreeze WatchOAX13 hr
Oct 28, 3:48 PM CDTFreeze WarningOAX16 hr
Nov 10, 3:28 AM CSTHigh Wind WatchOAX24 hr
Nov 10, 3:25 PM CSTHigh Wind WarningOAX32 hr
Nov 10, 3:25 PM CSTWind AdvisoryOAX36 hr
Nov 12, 2:55 AM CSTWind AdvisoryOAX13 hr
Nov 24, 3:09 PM CSTWinter Storm WatchOAX37 hr
Nov 25, 3:33 PM CSTWinter Weather AdvisoryOAX35 hr
Nov 26, 7:04 AM CSTMesoscale DiscussionSPC5 hr
Nov 28, 2:59 PM CSTWinter Storm WatchOAX25 hr
Nov 29, 3:34 PM CSTWinter Storm WarningOAX29 hr
Nov 29, 3:34 PM CSTWinter Weather AdvisoryOAX26 hr
Dec 24, 3:50 AM CSTWinter Weather AdvisoryOAX10 hr
Dec 26, 3:20 PM CSTWinter Storm WatchOAX24 hr
Dec 27, 3:33 PM CSTWinter Storm WarningOAX34 hr
Dec 27, 3:33 PM CSTWinter Weather AdvisoryOAX34 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 archive20142016

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.