Alert archive / Indiana / Jasper County

Weather alerts in Jasper County, Indiana, 2026

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

Jasper County and its neighbors

Each county as a circle sized by its count in 2026. Tap one for its archive.

Alerts
153
Warnings
33
Watches
40
Advisories
33
Busiest month
August36 alerts
Busiest day
August 11, 20269 alerts

Over time

By month

Warning verification

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

4 of 5 tornado warnings covering Jasper County in 2026 had a tornado report inside them; 2 of 2 tornado reports fell inside a warning, on average 27 minutes after it went out.

Jasper County, 2026

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings5420%2100%27 min
Severe thunderstorm warnings191047%7100%29 min
Flash flood warnings10100%0

Each office's whole area, 2026

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Chicago, IL: tornado warnings752961%9169%19 min
NWS Chicago, IL: severe thunderstorm warnings26516737%1,19490%30 min
NWS Chicago, IL: flash flood warnings593147%18886%119 min

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

The year is still running; reports filed late and damage surveys can still change these figures.

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 8, 7:50 PM CSTMesoscale DiscussionSPC55 min
Jan 14, 8:00 AM CSTSnow Squall Warning Significant damage threatLOT60 min
Jan 14, 8:20 AM CSTSnow Squall Warning Significant damage threatLOT55 min
Jan 14, 8:53 AM CSTSnow Squall Warning Significant damage threatLOT67 min
Jan 14, 5:01 PM CSTMesoscale DiscussionSPC6 hr
Jan 14, 9:38 PM CSTWinter Weather AdvisoryLOT9 hr
Jan 18, 2:13 AM CSTCold Weather AdvisoryLOT34 hr
Jan 21, 4:42 PM CSTWind AdvisoryLOT7 hr
Jan 22, 3:12 AM CSTCold Weather AdvisoryLOT55 hr
Jan 24, 1:51 AM CSTWinter Weather AdvisoryLOT42 hr
Jan 25, 2:35 AM CSTCold Weather AdvisoryLOT32 hr
Feb 16, 5:20 AM CSTDense Fog AdvisoryLOT4 hr
Feb 19, 8:47 AM CSTSevere Thunderstorm WarningLOT13 min
Feb 19, 1:56 PM CSTWind AdvisoryLOT26 hr
Mar 4, 8:34 PM CSTDense Fog AdvisoryLOT37 hr
Mar 6, 2:10 PM CSTMesoscale DiscussionSPC2 hr
Mar 6, 5:02 PM CSTSevere Thunderstorm WatchSPC4 hr
Mar 6, 6:37 PM CSTMesoscale DiscussionSPC113 min
Mar 10, 11:16 AM CDTMesoscale DiscussionSPC29 min
Mar 10, 1:53 PM CDTMesoscale DiscussionSPC3 hr
Mar 10, 3:57 PM CDTTornado WatchSPC10 hr
Mar 10, 6:27 PM CDTMesoscale DiscussionSPC63 min
Mar 10, 7:09 PM CDTSevere Thunderstorm Warning Destructive damage threatLOT71 min
Mar 10, 7:09 PM CDTTornado Warning Tornado observedConsiderable damage threatLOT51 min
Mar 10, 7:41 PM CDTTornado Warning Tornado observedConsiderable damage threatLOT35 min
Mar 12, 1:33 AM CDTHigh Wind WatchLOT10 hr
Mar 12, 1:33 AM CDTWind AdvisoryLOT40 hr
Mar 12, 11:28 AM CDTHigh Wind WarningLOT29 hr
Mar 14, 2:00 AM CDTHigh Wind WatchLOT10 hr
Mar 14, 11:57 AM CDTWind AdvisoryLOT30 hr
Mar 15, 2:52 AM CDTHigh Wind WarningLOT15 hr
Mar 15, 9:27 AM CDTWinter Weather AdvisoryLOT39 hr
Mar 15, 5:16 PM CDTMesoscale DiscussionSPC59 min
Mar 15, 5:42 PM CDTSevere Thunderstorm WatchSPC6 hr
Mar 26, 2:48 PM CDTMesoscale DiscussionSPC117 min
Mar 26, 4:15 PM CDTSevere Thunderstorm WatchSPC8 hr
Mar 26, 4:49 PM CDTSevere Thunderstorm WarningLOT26 min
Mar 31, 9:25 AM CDTSevere Thunderstorm WatchSPC6 hr
Mar 31, 2:44 PM CDTMesoscale DiscussionSPC3 hr
Apr 2, 1:32 AM CDTWind AdvisoryLOT17 hr
Apr 2, 5:11 PM CDTMesoscale DiscussionSPC94 min
Apr 3, 11:05 AM CDTRiver Flood WatchLOT19 hr
Apr 3, 3:56 PM CDTFlood WatchLOT18 hr
Apr 3, 4:59 PM CDTMesoscale DiscussionSPC2 hr
Apr 3, 5:18 PM CDTTornado WatchSPC4 hr
Apr 3, 7:24 PM CDTMesoscale DiscussionSPC96 min
Apr 4, 5:43 AM CDTRiver Flood WarningLOT9 days
Apr 13, 2:06 PM CDTMesoscale DiscussionSPC24 min
Apr 13, 2:09 PM CDTSevere Thunderstorm WatchSPC5 hr
Apr 13, 2:55 PM CDTSevere Thunderstorm WarningLOT50 min
Apr 13, 3:14 PM CDTSevere Thunderstorm WarningLOT61 min
Apr 13, 3:38 PM CDTMesoscale DiscussionSPC97 min
Apr 14, 1:55 PM CDTMesoscale DiscussionSPC2 hr
Apr 14, 7:11 PM CDTFlood WatchLOT30 hr
Apr 17, 11:04 AM CDTRiver Flood WatchLOT24 hr
Apr 17, 11:48 AM CDTFlood WatchLOT15 hr
Apr 17, 3:31 PM CDTTornado WatchSPC8 hr
Apr 17, 8:09 PM CDTMesoscale DiscussionSPC2 hr
Apr 17, 10:01 PM CDTSevere Thunderstorm Warning Considerable damage threatLOT74 min
Apr 17, 10:19 PM CDTMesoscale DiscussionSPC116 min
Apr 18, 1:29 PM CDTFrost AdvisoryLOT20 hr
Apr 18, 1:29 PM CDTFreeze WatchLOT12 hr
Apr 19, 1:52 AM CDTFreeze WarningLOT30 hr
Apr 21, 1:07 PM CDTMesoscale DiscussionSPC113 min
May 1, 3:32 AM CDTFrost AdvisoryLOT28 hr
May 4, 2:59 AM CDTBlowing Dust AdvisoryLOT15 hr
May 4, 3:42 PM CDTMesoscale DiscussionSPC2 hr
May 12, 9:36 AM CDTBlowing Dust AdvisoryLOT9 hr
May 18, 8:40 AM CDTMesoscale DiscussionSPC2 hr
May 18, 10:02 AM CDTSevere Thunderstorm WatchSPC7 hr
May 18, 11:19 AM CDTSevere Thunderstorm WarningLOT56 min
Jun 6, 5:39 AM CDTMesoscale DiscussionSPC2 hr
Jun 6, 2:06 PM CDTMesoscale DiscussionSPC114 min
Jun 6, 7:09 PM CDTSevere Thunderstorm Warning Considerable damage threatLOT21 min
Jun 10, 2:06 PM CDTMesoscale DiscussionSPC54 min
Jun 10, 2:40 PM CDTSevere Thunderstorm WatchSPC4 hr
Jun 10, 3:58 PM CDTMesoscale DiscussionSPC2 hr
Jun 10, 6:54 PM CDTFlood WatchLOT7 hr
Jun 10, 7:55 PM CDTMesoscale DiscussionSPC95 min
Jun 10, 8:24 PM CDTSevere Thunderstorm WatchSPC6 hr
Jun 11, 10:05 AM CDTFlood WatchLOT11 hr
Jun 11, 1:57 PM CDTTornado WatchSPC7 hr
Jun 11, 2:41 PM CDTSevere Thunderstorm WarningLOT46 min
Jun 11, 3:23 PM CDTMesoscale DiscussionSPC97 min
Jun 11, 6:38 PM CDTMesoscale DiscussionSPC97 min
Jun 11, 7:40 PM CDTTornado WarningLOT65 min
Jun 11, 7:51 PM CDTTornado WarningLOT39 min
Jun 11, 8:13 PM CDTTornado WarningLOT31 min
Jun 11, 8:19 PM CDTMesoscale DiscussionSPC86 min
Jun 11, 8:30 PM CDTSevere Thunderstorm WarningLOT49 min
Jun 16, 12:22 PM CDTMesoscale DiscussionSPC113 min
Jun 16, 3:07 PM CDTSevere Thunderstorm WatchSPC7 hr
Jun 17, 2:20 AM CDTFlood WatchLOT15 hr
Jun 24, 12:44 PM CDTMesoscale DiscussionSPC3 hr
Jun 24, 6:34 PM CDTMesoscale DiscussionSPC86 min
Jun 24, 8:06 PM CDTMesoscale DiscussionSPC84 min
Jun 28, 2:47 AM CDTHeat AdvisoryLOT47 hr
Jun 28, 11:18 AM CDTExtreme Heat WarningLOT5 days
Jul 3, 8:59 AM CDTHeat AdvisoryLOT10 hr
Jul 3, 11:52 AM CDTSevere Thunderstorm WatchSPC6 hr
Jul 3, 6:37 PM CDTSevere Thunderstorm WatchSPC6 hr
Jul 4, 11:24 AM CDTMesoscale DiscussionSPC3 hr
Jul 4, 12:33 PM CDTSevere Thunderstorm WatchSPC6 hr
Jul 4, 3:51 PM CDTMesoscale DiscussionSPC84 min
Jul 4, 5:27 PM CDTAreal Flood AdvisoryLOT95 min
Jul 18, 11:37 AM CDTMesoscale DiscussionSPC113 min
Jul 18, 12:20 PM CDTSevere Thunderstorm WatchSPC5 hr
Jul 27, 2:10 AM CDTHeat AdvisoryLOT14 hr
Jul 27, 3:02 AM CDTDense Fog AdvisoryLOT5 hr
Jul 27, 7:52 AM CDTMesoscale DiscussionSPC113 min
Jul 27, 11:42 AM CDTSevere Thunderstorm WatchSPC7 hr
Jul 27, 1:01 PM CDTSevere Thunderstorm Warning Considerable damage threatLOT74 min
Jul 27, 1:08 PM CDTMesoscale DiscussionSPC97 min
Jul 27, 1:26 PM CDTSevere Thunderstorm Warning Destructive damage threatLOT49 min
Jul 27, 1:45 PM CDTSevere Thunderstorm WarningLOT45 min
Aug 1, 10:22 AM CDTFlood WatchLOT11 hr
Aug 7, 2:46 AM CDTDense Fog AdvisoryLOT6 hr
Aug 9, 5:03 PM CDTFlood WatchLOT10 hr
Aug 9, 8:43 PM CDTSevere Thunderstorm WatchSPC7 hr
Aug 10, 1:42 AM CDTSevere Thunderstorm WarningLOT93 min
Aug 10, 1:56 AM CDTAreal Flood AdvisoryLOT58 min
Aug 10, 2:15 AM CDTMesoscale DiscussionSPC2 hr
Aug 10, 5:15 PM CDTMesoscale DiscussionSPC2 hr
Aug 10, 6:21 PM CDTSevere Thunderstorm WatchSPC7 hr
Aug 10, 8:00 PM CDTMesoscale DiscussionSPC90 min
Aug 11, 4:56 AM CDTAreal Flood AdvisoryLOT3 hr
Aug 11, 7:22 AM CDTSevere Thunderstorm WatchSPC6 hr
Aug 11, 8:52 AM CDTSevere Thunderstorm WarningLOT19 min
Aug 11, 9:30 AM CDTSevere Thunderstorm WarningLOT60 min
Aug 11, 10:04 AM CDTAreal Flood AdvisoryLOT3 hr
Aug 11, 11:04 AM CDTSevere Thunderstorm Warning Destructive damage threatLOT56 min
Aug 11, 11:10 AM CDTSevere Thunderstorm Warning Considerable damage threatLOT65 min
Aug 11, 11:42 AM CDTMesoscale DiscussionSPC2 hr
Aug 11, 8:04 PM CDTMesoscale DiscussionSPC2 hr
Aug 12, 6:41 AM CDTSevere Thunderstorm WatchSPC6 hr
Aug 12, 9:04 AM CDTMesoscale DiscussionSPC116 min
Aug 12, 10:14 AM CDTSevere Thunderstorm WarningLOT61 min
Aug 12, 10:17 AM CDTAreal Flood AdvisoryLOT2 hr
Aug 12, 10:42 AM CDTFlash Flood WarningLOT111 min
Aug 12, 12:33 PM CDTAreal Flood AdvisoryLOT117 min
Aug 13, 2:08 AM CDTFlood WatchLOT32 hr
Aug 13, 2:42 AM CDTDense Fog AdvisoryLOT6 hr
Aug 13, 12:30 PM CDTSevere Thunderstorm WatchSPC6 hr
Aug 13, 11:03 PM CDTMesoscale DiscussionSPC117 min
Aug 14, 12:01 PM CDTFlood WatchLOT22 hr
Aug 15, 6:39 PM CDTFlood WatchLOT13 hr
Aug 19, 2:56 AM CDTFlood WatchLOT22 hr
Aug 19, 4:52 PM CDTMesoscale DiscussionSPC83 min
Aug 26, 12:22 PM CDTMesoscale DiscussionSPC113 min
Aug 31, 12:24 PM CDTHeat AdvisoryLOT33 hr
Aug 31, 12:24 PM CDTHeat AdvisoryLOT3 days
Sep 3, 7:56 PM CDTHeat AdvisoryLOT25 hr
Sep 20, 4:59 AM CDTAreal Flood AdvisoryLOT3 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 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.