Alert archive / Indiana / Union County

Weather alerts in Union County, Indiana, 2019

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

Union County and its neighbors

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

Alerts
111
Warnings
19
Watches
16
Advisories
43
Busiest month
February19 alerts
Busiest day
February 7, 20197 alerts

Over time

By month

Warning verification

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

0 of 1 tornado warnings covering Union County in 2019 had a tornado report inside them; 0 of 1 tornado reports fell inside a warning.

Union County, 2019

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings10100%10%
Severe thunderstorm warnings10730%250%1 min
Flash flood warnings110%1100%257 min

Each office's whole area, 2019

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Wilmington, OH: tornado warnings641970%5265%17 min
NWS Wilmington, OH: severe thunderstorm warnings24816434%54466%16 min
NWS Wilmington, OH: flash flood warnings432835%8985%91 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, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeLasted
Jan 8, 3:35 AM ESTWind AdvisoryILN16 hr
Jan 11, 3:38 AM ESTWinter Storm WarningILN56 hr
Jan 11, 3:38 AM ESTWinter Weather AdvisoryILN56 hr
Jan 15, 7:00 PM ESTWinter Weather AdvisoryILN14 hr
Jan 17, 2:59 PM ESTWinter Storm WatchILN24 hr
Jan 17, 6:10 PM ESTDense Fog AdvisoryILN10 hr
Jan 18, 11:29 AM ESTWinter Storm WarningILN43 hr
Jan 19, 10:35 PM ESTMesoscale DiscussionSPC3 hr
Jan 20, 4:48 AM ESTWind Chill AdvisoryILN31 hr
Jan 24, 11:45 AM ESTWind Chill AdvisoryILN23 hr
Jan 28, 2:15 AM ESTWind Chill WatchILN14 hr
Jan 28, 3:46 PM ESTWind Chill WarningILN69 hr
Jan 28, 3:46 PM ESTWind Chill AdvisoryILN69 hr
Jan 28, 3:46 PM ESTWinter Weather AdvisoryILN16 min
Jan 28, 4:02 PM ESTWinter Weather AdvisoryILN18 hr
Jan 31, 3:15 AM ESTWinter Weather AdvisoryILN31 hr
Feb 2, 12:16 AM ESTDense Fog AdvisoryILN13 hr
Feb 5, 3:53 PM ESTFlood WatchILN60 hr
Feb 6, 12:04 PM ESTAreal Flood AdvisoryILN3 hr
Feb 6, 7:45 PM ESTDense Fog AdvisoryILN8 hr
Feb 7, 11:21 AM ESTAreal Flood AdvisoryILN3 hr
Feb 7, 12:19 PM ESTFlash Flood WarningILN4 hr
Feb 7, 1:47 PM ESTSpecial Weather StatementILN43 min
Feb 7, 2:53 PM ESTWind AdvisoryILN13 hr
Feb 7, 3:00 PM ESTRiver Flood WarningILN17 hr
Feb 7, 4:41 PM ESTAreal Flood WarningILN16 hr
Feb 9, 3:15 PM ESTFlood WatchILN3 days
Feb 10, 3:37 AM ESTWinter Weather AdvisoryILN17 hr
Feb 11, 3:24 AM ESTDense Fog AdvisoryILN7 hr
Feb 12, 3:26 AM ESTWind AdvisoryILN28 hr
Feb 12, 3:32 AM ESTAreal Flood AdvisoryILN6 hr
Feb 17, 3:29 AM ESTWinter Weather AdvisoryILN22 hr
Feb 19, 3:13 AM ESTWinter Weather AdvisoryILN29 hr
Feb 20, 3:25 AM ESTMesoscale DiscussionSPC6 hr
Feb 23, 2:41 PM ESTWind AdvisoryILN34 hr
Mar 2, 3:43 PM ESTWinter Weather AdvisoryILN29 hr
Mar 9, 3:11 PM ESTWind AdvisoryILN19 hr
Mar 13, 3:03 PM EDTWind AdvisoryILN31 hr
Mar 14, 10:47 AM EDTTornado WatchSPC6 hr
Mar 14, 3:27 PM EDTTornado WarningILN15 min
Apr 12, 7:18 AM EDTMesoscale DiscussionSPC117 min
Apr 14, 3:04 PM EDTSevere Thunderstorm WarningILN41 min
Apr 14, 3:45 PM EDTSevere Thunderstorm WarningILN45 min
Apr 18, 9:07 PM EDTSpecial Weather StatementILN23 min
May 1, 4:29 PM EDTSpecial Weather StatementILN31 min
May 1, 5:25 PM EDTSpecial Weather StatementILN35 min
May 1, 6:15 PM EDTSevere Thunderstorm WarningILN30 min
May 2, 3:39 AM EDTDense Fog AdvisoryILN6 hr
May 3, 6:42 AM EDTAreal Flood AdvisoryILN5 hr
May 17, 1:56 AM EDTMesoscale DiscussionSPC3 hr
May 17, 3:17 PM EDTMesoscale DiscussionSPC88 min
May 19, 3:51 AM EDTWind AdvisoryILN12 hr
May 19, 7:40 PM EDTSevere Thunderstorm WarningILN50 min
May 19, 8:22 PM EDTSevere Thunderstorm WarningILN38 min
May 23, 6:36 AM EDTSpecial Weather StatementILN39 min
May 25, 1:07 PM EDTMesoscale DiscussionSPC83 min
May 25, 2:21 PM EDTSevere Thunderstorm WatchSPC5 hr
May 26, 4:06 AM EDTMesoscale DiscussionSPC84 min
May 27, 6:30 PM EDTMesoscale DiscussionSPC90 min
May 27, 8:20 PM EDTTornado WatchSPC6 hr
May 31, 4:53 PM EDTSpecial Weather StatementILN37 min
May 31, 5:50 PM EDTSpecial Weather StatementILN25 min
Jun 5, 1:44 PM EDTSevere Thunderstorm WatchSPC7 hr
Jun 5, 4:35 PM EDTMesoscale DiscussionSPC115 min
Jun 5, 4:53 PM EDTSevere Thunderstorm WarningILN37 min
Jun 5, 5:28 PM EDTSevere Thunderstorm WarningILN47 min
Jun 9, 10:29 PM EDTFlash Flood WatchILN7 hr
Jun 15, 3:25 AM EDTFlash Flood WatchILN6 days
Jun 15, 8:40 PM EDTTornado WatchSPC4 hr
Jun 15, 9:41 PM EDTSpecial Weather StatementILN34 min
Jun 15, 9:43 PM EDTSevere Thunderstorm WarningILN32 min
Jun 15, 10:12 PM EDTMesoscale DiscussionSPC63 min
Jun 17, 5:15 PM EDTSpecial Weather StatementILN30 min
Jun 19, 12:34 PM EDTMesoscale DiscussionSPC116 min
Jun 23, 4:08 PM EDTMesoscale DiscussionSPC97 min
Jun 23, 4:43 PM EDTSpecial Weather StatementILN47 min
Jun 23, 5:42 PM EDTMesoscale DiscussionSPC63 min
Jul 2, 3:49 PM EDTSpecial Weather StatementILN26 min
Jul 6, 2:36 PM EDTMesoscale DiscussionSPC2 hr
Jul 16, 4:46 PM EDTSevere Thunderstorm WarningILN29 min
Jul 17, 3:55 AM EDTExcessive Heat WatchILN24 hr
Jul 17, 3:43 PM EDTHeat AdvisoryILN12 hr
Jul 18, 3:42 AM EDTExcessive Heat WarningILN4 days
Jul 20, 3:52 PM EDTHeat AdvisoryILN24 hr
Jul 21, 1:56 PM EDTMesoscale DiscussionSPC2 hr
Aug 14, 5:15 AM EDTDense Fog AdvisoryILN5 hr
Aug 18, 3:24 PM EDTSevere Thunderstorm WatchSPC7 hr
Aug 18, 8:44 PM EDTSevere Thunderstorm WarningILN46 min
Aug 18, 9:02 PM EDTMesoscale DiscussionSPC58 min
Aug 18, 9:31 PM EDTSpecial Weather StatementILN44 min
Aug 20, 3:35 PM EDTSevere Thunderstorm WatchSPC2 hr
Aug 30, 4:01 PM EDTMesoscale DiscussionSPC119 min
Aug 30, 4:11 PM EDTSpecial Weather StatementILN34 min
Sep 1, 3:03 PM EDTMesoscale DiscussionSPC117 min
Oct 12, 3:36 AM EDTFrost AdvisoryILN30 hr
Oct 17, 3:04 PM EDTFrost AdvisoryILN19 hr
Oct 18, 3:20 PM EDTFrost AdvisoryILN18 hr
Oct 26, 5:48 PM EDTMesoscale DiscussionSPC87 min
Oct 30, 3:30 AM EDTFreeze WatchILN24 hr
Oct 31, 1:05 AM EDTDense Fog AdvisoryILN5 hr
Oct 31, 3:59 AM EDTFreeze WarningILN31 hr
Oct 31, 3:59 AM EDTWind AdvisoryILN20 hr
Nov 10, 3:11 PM ESTWinter Weather AdvisoryILN44 hr
Nov 25, 2:51 PM ESTHigh Wind WatchILN22 hr
Nov 26, 1:08 PM ESTWind AdvisoryILN32 hr
Dec 15, 3:52 AM ESTWinter Weather AdvisoryILN26 hr
Dec 15, 3:11 PM ESTMesoscale DiscussionSPC4 hr
Dec 16, 3:30 AM ESTWinter Weather AdvisoryILN31 hr
Dec 24, 3:09 AM ESTDense Fog AdvisoryILN11 hr
Dec 27, 10:28 PM ESTDense Fog AdvisoryILN13 hr
Dec 30, 3:13 AM ESTWind AdvisoryILN4 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.