Alert archive / Indiana / Hamilton County

Weather alerts in Hamilton County, Indiana, 2026

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

Hamilton County and its neighbors

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

Alerts
202
Warnings
69
Watches
28
Advisories
44
Busiest month
August52 alerts
Busiest day
June 12, 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.

0 of 3 tornado warnings covering Hamilton County in 2026 had a tornado report inside them.

Hamilton County, 2026

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings30100%0
Severe thunderstorm warnings352820%1889%18 min
Flash flood warnings8625%3100%190 min

Each office's whole area, 2026

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Indianapolis, IN: tornado warnings781778%2662%14 min
NWS Indianapolis, IN: severe thunderstorm warnings35523135%49381%22 min
NWS Indianapolis, IN: flash flood warnings875833%8195%120 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, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeLasted
Jan 9, 3:25 AM ESTSpecial Weather StatementIND35 min
Jan 9, 5:44 AM ESTWind AdvisoryIND7 hr
Jan 18, 2:52 AM ESTCold Weather AdvisoryIND54 hr
Jan 22, 1:54 AM ESTCold Weather AdvisoryIND58 hr
Jan 22, 2:01 AM ESTWinter Storm WatchIND25 hr
Jan 23, 2:42 AM ESTWinter Storm WarningIND3 days
Jan 24, 1:39 PM ESTCold Weather AdvisoryIND53 hr
Jan 25, 3:47 AM ESTExtreme Cold WarningIND31 hr
Jan 25, 3:28 PM ESTExtreme Cold WarningIND42 hr
Jan 27, 2:53 AM ESTCold Weather AdvisoryIND33 hr
Jan 27, 2:44 PM ESTExtreme Cold WarningIND21 hr
Jan 28, 2:37 AM ESTCold Weather AdvisoryIND31 hr
Jan 30, 3:00 PM ESTCold Weather AdvisoryIND18 hr
Jan 31, 2:38 PM ESTCold Weather AdvisoryIND18 hr
Feb 15, 7:39 PM ESTDense Fog AdvisoryIND14 hr
Feb 20, 4:23 AM ESTWind AdvisoryIND14 hr
Mar 1, 1:02 PM ESTWinter Weather AdvisoryIND20 hr
Mar 4, 10:10 AM ESTDense Fog AdvisoryIND3 hr
Mar 4, 9:45 PM ESTDense Fog AdvisoryIND7 hr
Mar 6, 12:54 AM ESTDense Fog AdvisoryIND9 hr
Mar 7, 7:41 AM ESTSpecial Weather StatementIND34 min
Mar 11, 12:06 AM EDTWind AdvisoryIND17 hr
Mar 11, 5:23 AM EDTMesoscale DiscussionSPC2 hr
Mar 11, 6:22 AM EDTTornado WatchSPC6 hr
Mar 11, 8:10 AM EDTSevere Thunderstorm WarningIND35 min
Mar 11, 8:37 AM EDTSevere Thunderstorm WarningIND23 min
Mar 11, 8:49 AM EDTMesoscale DiscussionSPC86 min
Mar 12, 2:10 AM EDTWind AdvisoryIND42 hr
Mar 12, 1:56 PM EDTHigh Wind WarningIND30 hr
Mar 14, 12:07 PM EDTWind AdvisoryIND25 hr
Mar 15, 1:29 PM EDTHigh Wind WarningIND9 hr
Mar 15, 1:29 PM EDTWind AdvisoryIND19 hr
Mar 15, 8:26 PM EDTTornado WatchSPC6 hr
Mar 15, 9:29 PM EDTMesoscale DiscussionSPC2 hr
Mar 15, 11:18 PM EDTSevere Thunderstorm WarningIND22 min
Mar 15, 11:29 PM EDTSevere Thunderstorm WarningIND31 min
Mar 22, 4:50 PM EDTMesoscale DiscussionSPC2 hr
Mar 22, 6:17 PM EDTSevere Thunderstorm WatchSPC6 hr
Mar 22, 8:20 PM EDTMesoscale DiscussionSPC85 min
Mar 26, 3:48 PM EDTMesoscale DiscussionSPC117 min
Mar 26, 5:15 PM EDTSevere Thunderstorm WatchSPC8 hr
Mar 26, 7:05 PM EDTSevere Thunderstorm WarningIND40 min
Mar 26, 7:18 PM EDTTornado WarningIND27 min
Mar 26, 7:40 PM EDTSevere Thunderstorm Warning Considerable damage threatIND50 min
Mar 26, 7:42 PM EDTSevere Thunderstorm Warning Considerable damage threatIND29 min
Mar 26, 7:53 PM EDTSevere Thunderstorm WarningIND37 min
Mar 26, 8:21 PM EDTMesoscale DiscussionSPC54 min
Mar 26, 9:08 PM EDTSpecial Weather StatementIND37 min
Mar 31, 11:55 AM EDTMesoscale DiscussionSPC2 hr
Apr 1, 12:53 PM EDTWind AdvisoryIND30 hr
Apr 2, 6:11 PM EDTMesoscale DiscussionSPC94 min
Apr 2, 7:45 PM EDTSevere Thunderstorm WatchSPC118 min
Apr 2, 8:21 PM EDTMesoscale DiscussionSPC84 min
Apr 2, 8:24 PM EDTSevere Thunderstorm WarningIND36 min
Apr 2, 8:52 PM EDTSpecial Weather StatementIND23 min
Apr 3, 5:59 PM EDTMesoscale DiscussionSPC2 hr
Apr 5, 1:31 PM EDTFreeze WatchIND20 hr
Apr 6, 9:42 AM EDTFreeze WarningIND24 hr
Apr 7, 2:25 PM EDTFreeze WarningIND19 hr
Apr 14, 2:55 PM EDTMesoscale DiscussionSPC2 hr
Apr 14, 4:58 PM EDTSevere Thunderstorm WatchSPC4 hr
Apr 14, 5:52 PM EDTSpecial Weather StatementIND38 min
Apr 14, 6:03 PM EDTSevere Thunderstorm WarningIND27 min
Apr 18, 2:32 PM EDTFrost AdvisoryIND18 hr
Apr 18, 2:32 PM EDTFreeze WatchIND12 hr
Apr 19, 2:06 AM EDTFreeze WarningIND31 hr
Apr 24, 2:22 PM EDTMesoscale DiscussionSPC2 hr
Apr 24, 4:43 PM EDTSevere Thunderstorm Warning Destructive damage threatIND30 min
Apr 24, 4:47 PM EDTTornado WarningIND13 min
Apr 27, 12:12 PM EDTSevere Thunderstorm WatchSPC8 hr
Apr 27, 2:37 PM EDTMesoscale DiscussionSPC113 min
Apr 27, 8:09 PM EDTMesoscale DiscussionSPC96 min
Apr 27, 8:39 PM EDTSevere Thunderstorm WatchSPC8 hr
Apr 27, 9:52 PM EDTSevere Thunderstorm Warning Considerable damage threatIND53 min
Apr 27, 10:14 PM EDTSevere Thunderstorm WarningIND46 min
Apr 27, 10:38 PM EDTSevere Thunderstorm WarningIND52 min
Apr 27, 11:10 PM EDTFlash Flood WarningIND3 hr
May 1, 3:04 AM EDTFrost AdvisoryIND30 hr
May 2, 11:50 AM EDTFrost AdvisoryIND21 hr
May 5, 12:58 AM EDTSpecial Weather StatementIND32 min
May 5, 1:02 AM EDTSevere Thunderstorm WarningIND24 min
May 18, 11:02 AM EDTSevere Thunderstorm WatchSPC7 hr
May 18, 1:50 PM EDTSevere Thunderstorm WarningIND55 min
May 18, 2:37 PM EDTSpecial Weather StatementIND53 min
May 18, 2:40 PM EDTSevere Thunderstorm WarningIND39 min
May 18, 2:50 PM EDTMesoscale DiscussionSPC85 min
May 18, 3:36 PM EDTAreal Flood WarningIND9 hr
May 19, 1:31 PM EDTMesoscale DiscussionSPC119 min
May 19, 4:26 PM EDTMesoscale DiscussionSPC64 min
May 19, 4:36 PM EDTSevere Thunderstorm WatchSPC5 hr
May 19, 4:52 PM EDTSevere Thunderstorm WarningIND23 min
May 19, 5:25 PM EDTSevere Thunderstorm WarningIND35 min
May 19, 6:11 PM EDTMesoscale DiscussionSPC64 min
May 27, 9:36 AM EDTAreal Flood AdvisoryIND9 hr
Jun 6, 6:39 AM EDTMesoscale DiscussionSPC2 hr
Jun 6, 3:06 PM EDTMesoscale DiscussionSPC114 min
Jun 6, 3:43 PM EDTSevere Thunderstorm WatchSPC6 hr
Jun 7, 4:25 PM EDTAreal Flood WarningIND2 hr
Jun 7, 4:51 PM EDTAreal Flood WarningIND3 hr
Jun 7, 5:53 PM EDTAreal Flood WarningIND3 hr
Jun 7, 9:22 PM EDTAreal Flood AdvisoryIND3 hr
Jun 9, 8:05 PM EDTMesoscale DiscussionSPC115 min
Jun 9, 9:23 PM EDTAreal Flood AdvisoryIND3 hr
Jun 9, 9:31 PM EDTSevere Thunderstorm WarningIND28 min
Jun 11, 3:30 AM EDTSpecial Weather StatementIND30 min
Jun 11, 7:38 PM EDTMesoscale DiscussionSPC97 min
Jun 11, 9:19 PM EDTMesoscale DiscussionSPC86 min
Jun 11, 9:25 PM EDTMesoscale DiscussionSPC65 min
Jun 11, 9:47 PM EDTSevere Thunderstorm WatchSPC5 hr
Jun 11, 9:51 PM EDTTornado WarningIND39 min
Jun 11, 9:57 PM EDTSevere Thunderstorm WarningIND48 min
Jun 11, 9:59 PM EDTSevere Thunderstorm WarningIND46 min
Jun 11, 10:26 PM EDTSevere Thunderstorm WarningIND49 min
Jun 11, 10:43 PM EDTSevere Thunderstorm WarningIND32 min
Jun 11, 11:24 PM EDTAreal Flood AdvisoryIND4 hr
Jun 16, 4:07 PM EDTSevere Thunderstorm WatchSPC7 hr
Jun 16, 8:40 PM EDTSpecial Weather StatementIND35 min
Jun 17, 1:18 PM EDTFlood WatchIND15 hr
Jun 17, 5:37 PM EDTTornado WatchSPC9 hr
Jun 20, 2:58 AM EDTFlood WatchIND49 hr
Jun 21, 5:23 PM EDTMesoscale DiscussionSPC97 min
Jun 27, 8:41 PM EDTAreal Flood AdvisoryIND3 hr
Jun 28, 3:15 AM EDTHeat AdvisoryIND46 hr
Jun 30, 12:55 AM EDTExtreme Heat WarningIND4 days
Jul 3, 12:30 AM EDTHeat AdvisoryIND43 hr
Jul 3, 4:08 PM EDTSpecial Weather StatementIND67 min
Jul 3, 4:57 PM EDTSpecial Weather StatementIND63 min
Jul 3, 5:02 PM EDTSevere Thunderstorm WarningIND43 min
Jul 4, 1:33 PM EDTSevere Thunderstorm WatchSPC6 hr
Jul 4, 6:19 PM EDTAreal Flood AdvisoryIND3 hr
Jul 4, 7:05 PM EDTAreal Flood AdvisoryIND3 hr
Jul 4, 8:18 PM EDTAreal Flood WarningIND2 hr
Jul 11, 10:11 AM EDTAreal Flood AdvisoryIND4 hr
Jul 14, 12:47 PM EDTHeat AdvisoryIND31 hr
Jul 15, 1:47 PM EDTHeat AdvisoryIND30 hr
Jul 17, 5:48 PM EDTAreal Flood AdvisoryIND3 hr
Jul 27, 3:10 AM EDTHeat AdvisoryIND17 hr
Jul 27, 2:08 PM EDTMesoscale DiscussionSPC97 min
Jul 27, 2:39 PM EDTSevere Thunderstorm WatchSPC8 hr
Jul 27, 4:39 PM EDTSevere Thunderstorm WarningIND66 min
Jul 27, 4:48 PM EDTMesoscale DiscussionSPC117 min
Jul 27, 5:17 PM EDTSevere Thunderstorm WarningIND58 min
Jul 27, 5:28 PM EDTFlash Flood WarningIND5 hr
Jul 27, 10:35 PM EDTAreal Flood AdvisoryIND3 hr
Aug 1, 11:38 AM EDTFlood WatchIND14 hr
Aug 1, 1:31 PM EDTMesoscale DiscussionSPC2 hr
Aug 7, 5:59 AM EDTDense Fog AdvisoryIND3 hr
Aug 7, 4:33 PM EDTSpecial Weather StatementIND42 min
Aug 10, 3:15 AM EDTMesoscale DiscussionSPC2 hr
Aug 10, 5:03 AM EDTSpecial Weather StatementIND42 min
Aug 10, 7:21 PM EDTSevere Thunderstorm WatchSPC7 hr
Aug 11, 1:38 AM EDTFlood WatchIND6 days
Aug 11, 10:31 AM EDTMesoscale DiscussionSPC119 min
Aug 11, 11:01 AM EDTSevere Thunderstorm WatchSPC10 hr
Aug 11, 12:42 PM EDTMesoscale DiscussionSPC2 hr
Aug 11, 1:25 PM EDTSevere Thunderstorm Warning Considerable damage threatIND65 min
Aug 11, 1:49 PM EDTSevere Thunderstorm Warning Considerable damage threatIND56 min
Aug 11, 1:57 PM EDTMesoscale DiscussionSPC2 hr
Aug 11, 2:13 PM EDTAreal Flood AdvisoryIND6 hr
Aug 11, 4:30 PM EDTSevere Thunderstorm WarningIND30 min
Aug 12, 8:30 AM EDTRiver Flood WarningIND6 days
Aug 12, 10:42 AM EDTRiver Flood WarningIND6 days
Aug 12, 11:35 AM EDTSevere Thunderstorm WatchSPC5 hr
Aug 12, 1:00 PM EDTSpecial Weather StatementIND30 min
Aug 12, 1:02 PM EDTFlash Flood WarningIND7 hr
Aug 12, 1:52 PM EDTMesoscale DiscussionSPC113 min
Aug 12, 7:53 PM EDTAreal Flood WarningIND40 hr
Aug 13, 3:30 AM EDTDense Fog AdvisoryIND6 hr
Aug 13, 1:08 PM EDTRiver Flood WarningIND66 hr
Aug 14, 12:03 AM EDTMesoscale DiscussionSPC117 min
Aug 14, 1:47 AM EDTSevere Thunderstorm WarningIND43 min
Aug 14, 2:30 AM EDTSpecial Weather StatementIND60 min
Aug 14, 2:30 AM EDTMesoscale DiscussionSPC2 hr
Aug 14, 2:37 AM EDTFlash Flood WarningIND6 hr
Aug 14, 3:32 AM EDTFlash Flood WarningIND5 hr
Aug 14, 4:31 AM EDTFlash Flood Warning Considerable damage threatIND19 hr
Aug 14, 11:33 PM EDTAreal Flood WarningIND12 hr
Aug 15, 7:34 AM EDTFlash Flood WarningIND8 hr
Aug 15, 9:41 AM EDTSpecial Weather StatementIND64 min
Aug 15, 3:14 PM EDTAreal Flood WarningIND19 hr
Aug 16, 1:15 AM EDTSpecial Weather StatementIND60 min
Aug 19, 4:07 AM EDTFlood WatchIND28 hr
Aug 19, 5:52 PM EDTMesoscale DiscussionSPC83 min
Aug 19, 6:43 PM EDTSevere Thunderstorm WarningIND47 min
Aug 19, 7:13 PM EDTSpecial Weather StatementIND32 min
Aug 19, 7:29 PM EDTSevere Thunderstorm WarningIND46 min
Aug 19, 7:44 PM EDTFlash Flood WarningIND3 hr
Aug 19, 7:57 PM EDTSevere Thunderstorm WarningIND48 min
Aug 19, 10:36 PM EDTAreal Flood AdvisoryIND112 min
Aug 19, 10:45 PM EDTAreal Flood WarningIND107 min
Aug 20, 12:32 AM EDTAreal Flood AdvisoryIND14 hr
Aug 20, 4:16 AM EDTAreal Flood AdvisoryIND3 hr
Aug 20, 8:44 AM EDTAreal Flood WarningIND26 hr
Aug 26, 1:22 PM EDTMesoscale DiscussionSPC113 min
Aug 26, 6:58 PM EDTSpecial Weather StatementIND47 min
Aug 31, 12:51 PM EDTHeat AdvisoryIND5 days
Sep 5, 4:01 PM EDTMesoscale DiscussionSPC119 min
Sep 5, 5:15 PM EDTSevere Thunderstorm WarningIND45 min
Sep 17, 2:08 PM EDTFlood WatchIND20 hr
Sep 17, 10:02 PM EDTSpecial Weather StatementIND28 min
Sep 17, 10:14 PM EDTSpecial Weather StatementIND31 min
Sep 20, 7:38 PM EDTMesoscale DiscussionSPC2 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.