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
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 3 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 35 | 28 | 20% | 18 | 89% | 18 min |
| Flash flood warnings | 8 | 6 | 25% | 3 | 100% | 190 min |
Each office's whole area, 2026
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Indianapolis, IN: tornado warnings | 78 | 17 | 78% | 26 | 62% | 14 min |
| NWS Indianapolis, IN: severe thunderstorm warnings | 355 | 231 | 35% | 493 | 81% | 22 min |
| NWS Indianapolis, IN: flash flood warnings | 87 | 58 | 33% | 81 | 95% | 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 9, 3:25 AM EST | Special Weather Statement | IND | 35 min |
| Jan 9, 5:44 AM EST | Wind Advisory | IND | 7 hr |
| Jan 18, 2:52 AM EST | Cold Weather Advisory | IND | 54 hr |
| Jan 22, 1:54 AM EST | Cold Weather Advisory | IND | 58 hr |
| Jan 22, 2:01 AM EST | Winter Storm Watch | IND | 25 hr |
| Jan 23, 2:42 AM EST | Winter Storm Warning | IND | 3 days |
| Jan 24, 1:39 PM EST | Cold Weather Advisory | IND | 53 hr |
| Jan 25, 3:47 AM EST | Extreme Cold Warning | IND | 31 hr |
| Jan 25, 3:28 PM EST | Extreme Cold Warning | IND | 42 hr |
| Jan 27, 2:53 AM EST | Cold Weather Advisory | IND | 33 hr |
| Jan 27, 2:44 PM EST | Extreme Cold Warning | IND | 21 hr |
| Jan 28, 2:37 AM EST | Cold Weather Advisory | IND | 31 hr |
| Jan 30, 3:00 PM EST | Cold Weather Advisory | IND | 18 hr |
| Jan 31, 2:38 PM EST | Cold Weather Advisory | IND | 18 hr |
| Feb 15, 7:39 PM EST | Dense Fog Advisory | IND | 14 hr |
| Feb 20, 4:23 AM EST | Wind Advisory | IND | 14 hr |
| Mar 1, 1:02 PM EST | Winter Weather Advisory | IND | 20 hr |
| Mar 4, 10:10 AM EST | Dense Fog Advisory | IND | 3 hr |
| Mar 4, 9:45 PM EST | Dense Fog Advisory | IND | 7 hr |
| Mar 6, 12:54 AM EST | Dense Fog Advisory | IND | 9 hr |
| Mar 7, 7:41 AM EST | Special Weather Statement | IND | 34 min |
| Mar 11, 12:06 AM EDT | Wind Advisory | IND | 17 hr |
| Mar 11, 5:23 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 11, 6:22 AM EDT | Tornado Watch | SPC | 6 hr |
| Mar 11, 8:10 AM EDT | Severe Thunderstorm Warning | IND | 35 min |
| Mar 11, 8:37 AM EDT | Severe Thunderstorm Warning | IND | 23 min |
| Mar 11, 8:49 AM EDT | Mesoscale Discussion | SPC | 86 min |
| Mar 12, 2:10 AM EDT | Wind Advisory | IND | 42 hr |
| Mar 12, 1:56 PM EDT | High Wind Warning | IND | 30 hr |
| Mar 14, 12:07 PM EDT | Wind Advisory | IND | 25 hr |
| Mar 15, 1:29 PM EDT | High Wind Warning | IND | 9 hr |
| Mar 15, 1:29 PM EDT | Wind Advisory | IND | 19 hr |
| Mar 15, 8:26 PM EDT | Tornado Watch | SPC | 6 hr |
| Mar 15, 9:29 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 15, 11:18 PM EDT | Severe Thunderstorm Warning | IND | 22 min |
| Mar 15, 11:29 PM EDT | Severe Thunderstorm Warning | IND | 31 min |
| Mar 22, 4:50 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 22, 6:17 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Mar 22, 8:20 PM EDT | Mesoscale Discussion | SPC | 85 min |
| Mar 26, 3:48 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Mar 26, 5:15 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Mar 26, 7:05 PM EDT | Severe Thunderstorm Warning | IND | 40 min |
| Mar 26, 7:18 PM EDT | Tornado Warning | IND | 27 min |
| Mar 26, 7:40 PM EDT | Severe Thunderstorm Warning | IND | 50 min |
| Mar 26, 7:42 PM EDT | Severe Thunderstorm Warning | IND | 29 min |
| Mar 26, 7:53 PM EDT | Severe Thunderstorm Warning | IND | 37 min |
| Mar 26, 8:21 PM EDT | Mesoscale Discussion | SPC | 54 min |
| Mar 26, 9:08 PM EDT | Special Weather Statement | IND | 37 min |
| Mar 31, 11:55 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 1, 12:53 PM EDT | Wind Advisory | IND | 30 hr |
| Apr 2, 6:11 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Apr 2, 7:45 PM EDT | Severe Thunderstorm Watch | SPC | 118 min |
| Apr 2, 8:21 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Apr 2, 8:24 PM EDT | Severe Thunderstorm Warning | IND | 36 min |
| Apr 2, 8:52 PM EDT | Special Weather Statement | IND | 23 min |
| Apr 3, 5:59 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 5, 1:31 PM EDT | Freeze Watch | IND | 20 hr |
| Apr 6, 9:42 AM EDT | Freeze Warning | IND | 24 hr |
| Apr 7, 2:25 PM EDT | Freeze Warning | IND | 19 hr |
| Apr 14, 2:55 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 14, 4:58 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Apr 14, 5:52 PM EDT | Special Weather Statement | IND | 38 min |
| Apr 14, 6:03 PM EDT | Severe Thunderstorm Warning | IND | 27 min |
| Apr 18, 2:32 PM EDT | Frost Advisory | IND | 18 hr |
| Apr 18, 2:32 PM EDT | Freeze Watch | IND | 12 hr |
| Apr 19, 2:06 AM EDT | Freeze Warning | IND | 31 hr |
| Apr 24, 2:22 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 24, 4:43 PM EDT | Severe Thunderstorm Warning | IND | 30 min |
| Apr 24, 4:47 PM EDT | Tornado Warning | IND | 13 min |
| Apr 27, 12:12 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Apr 27, 2:37 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Apr 27, 8:09 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Apr 27, 8:39 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Apr 27, 9:52 PM EDT | Severe Thunderstorm Warning | IND | 53 min |
| Apr 27, 10:14 PM EDT | Severe Thunderstorm Warning | IND | 46 min |
| Apr 27, 10:38 PM EDT | Severe Thunderstorm Warning | IND | 52 min |
| Apr 27, 11:10 PM EDT | Flash Flood Warning | IND | 3 hr |
| May 1, 3:04 AM EDT | Frost Advisory | IND | 30 hr |
| May 2, 11:50 AM EDT | Frost Advisory | IND | 21 hr |
| May 5, 12:58 AM EDT | Special Weather Statement | IND | 32 min |
| May 5, 1:02 AM EDT | Severe Thunderstorm Warning | IND | 24 min |
| May 18, 11:02 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 18, 1:50 PM EDT | Severe Thunderstorm Warning | IND | 55 min |
| May 18, 2:37 PM EDT | Special Weather Statement | IND | 53 min |
| May 18, 2:40 PM EDT | Severe Thunderstorm Warning | IND | 39 min |
| May 18, 2:50 PM EDT | Mesoscale Discussion | SPC | 85 min |
| May 18, 3:36 PM EDT | Areal Flood Warning | IND | 9 hr |
| May 19, 1:31 PM EDT | Mesoscale Discussion | SPC | 119 min |
| May 19, 4:26 PM EDT | Mesoscale Discussion | SPC | 64 min |
| May 19, 4:36 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 19, 4:52 PM EDT | Severe Thunderstorm Warning | IND | 23 min |
| May 19, 5:25 PM EDT | Severe Thunderstorm Warning | IND | 35 min |
| May 19, 6:11 PM EDT | Mesoscale Discussion | SPC | 64 min |
| May 27, 9:36 AM EDT | Areal Flood Advisory | IND | 9 hr |
| Jun 6, 6:39 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 6, 3:06 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Jun 6, 3:43 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 7, 4:25 PM EDT | Areal Flood Warning | IND | 2 hr |
| Jun 7, 4:51 PM EDT | Areal Flood Warning | IND | 3 hr |
| Jun 7, 5:53 PM EDT | Areal Flood Warning | IND | 3 hr |
| Jun 7, 9:22 PM EDT | Areal Flood Advisory | IND | 3 hr |
| Jun 9, 8:05 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Jun 9, 9:23 PM EDT | Areal Flood Advisory | IND | 3 hr |
| Jun 9, 9:31 PM EDT | Severe Thunderstorm Warning | IND | 28 min |
| Jun 11, 3:30 AM EDT | Special Weather Statement | IND | 30 min |
| Jun 11, 7:38 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jun 11, 9:19 PM EDT | Mesoscale Discussion | SPC | 86 min |
| Jun 11, 9:25 PM EDT | Mesoscale Discussion | SPC | 65 min |
| Jun 11, 9:47 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 11, 9:51 PM EDT | Tornado Warning | IND | 39 min |
| Jun 11, 9:57 PM EDT | Severe Thunderstorm Warning | IND | 48 min |
| Jun 11, 9:59 PM EDT | Severe Thunderstorm Warning | IND | 46 min |
| Jun 11, 10:26 PM EDT | Severe Thunderstorm Warning | IND | 49 min |
| Jun 11, 10:43 PM EDT | Severe Thunderstorm Warning | IND | 32 min |
| Jun 11, 11:24 PM EDT | Areal Flood Advisory | IND | 4 hr |
| Jun 16, 4:07 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 16, 8:40 PM EDT | Special Weather Statement | IND | 35 min |
| Jun 17, 1:18 PM EDT | Flood Watch | IND | 15 hr |
| Jun 17, 5:37 PM EDT | Tornado Watch | SPC | 9 hr |
| Jun 20, 2:58 AM EDT | Flood Watch | IND | 49 hr |
| Jun 21, 5:23 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jun 27, 8:41 PM EDT | Areal Flood Advisory | IND | 3 hr |
| Jun 28, 3:15 AM EDT | Heat Advisory | IND | 46 hr |
| Jun 30, 12:55 AM EDT | Extreme Heat Warning | IND | 4 days |
| Jul 3, 12:30 AM EDT | Heat Advisory | IND | 43 hr |
| Jul 3, 4:08 PM EDT | Special Weather Statement | IND | 67 min |
| Jul 3, 4:57 PM EDT | Special Weather Statement | IND | 63 min |
| Jul 3, 5:02 PM EDT | Severe Thunderstorm Warning | IND | 43 min |
| Jul 4, 1:33 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 4, 6:19 PM EDT | Areal Flood Advisory | IND | 3 hr |
| Jul 4, 7:05 PM EDT | Areal Flood Advisory | IND | 3 hr |
| Jul 4, 8:18 PM EDT | Areal Flood Warning | IND | 2 hr |
| Jul 11, 10:11 AM EDT | Areal Flood Advisory | IND | 4 hr |
| Jul 14, 12:47 PM EDT | Heat Advisory | IND | 31 hr |
| Jul 15, 1:47 PM EDT | Heat Advisory | IND | 30 hr |
| Jul 17, 5:48 PM EDT | Areal Flood Advisory | IND | 3 hr |
| Jul 27, 3:10 AM EDT | Heat Advisory | IND | 17 hr |
| Jul 27, 2:08 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jul 27, 2:39 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 27, 4:39 PM EDT | Severe Thunderstorm Warning | IND | 66 min |
| Jul 27, 4:48 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Jul 27, 5:17 PM EDT | Severe Thunderstorm Warning | IND | 58 min |
| Jul 27, 5:28 PM EDT | Flash Flood Warning | IND | 5 hr |
| Jul 27, 10:35 PM EDT | Areal Flood Advisory | IND | 3 hr |
| Aug 1, 11:38 AM EDT | Flood Watch | IND | 14 hr |
| Aug 1, 1:31 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 7, 5:59 AM EDT | Dense Fog Advisory | IND | 3 hr |
| Aug 7, 4:33 PM EDT | Special Weather Statement | IND | 42 min |
| Aug 10, 3:15 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 10, 5:03 AM EDT | Special Weather Statement | IND | 42 min |
| Aug 10, 7:21 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 11, 1:38 AM EDT | Flood Watch | IND | 6 days |
| Aug 11, 10:31 AM EDT | Mesoscale Discussion | SPC | 119 min |
| Aug 11, 11:01 AM EDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Aug 11, 12:42 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 11, 1:25 PM EDT | Severe Thunderstorm Warning | IND | 65 min |
| Aug 11, 1:49 PM EDT | Severe Thunderstorm Warning | IND | 56 min |
| Aug 11, 1:57 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 11, 2:13 PM EDT | Areal Flood Advisory | IND | 6 hr |
| Aug 11, 4:30 PM EDT | Severe Thunderstorm Warning | IND | 30 min |
| Aug 12, 8:30 AM EDT | River Flood Warning | IND | 6 days |
| Aug 12, 10:42 AM EDT | River Flood Warning | IND | 6 days |
| Aug 12, 11:35 AM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 12, 1:00 PM EDT | Special Weather Statement | IND | 30 min |
| Aug 12, 1:02 PM EDT | Flash Flood Warning | IND | 7 hr |
| Aug 12, 1:52 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Aug 12, 7:53 PM EDT | Areal Flood Warning | IND | 40 hr |
| Aug 13, 3:30 AM EDT | Dense Fog Advisory | IND | 6 hr |
| Aug 13, 1:08 PM EDT | River Flood Warning | IND | 66 hr |
| Aug 14, 12:03 AM EDT | Mesoscale Discussion | SPC | 117 min |
| Aug 14, 1:47 AM EDT | Severe Thunderstorm Warning | IND | 43 min |
| Aug 14, 2:30 AM EDT | Special Weather Statement | IND | 60 min |
| Aug 14, 2:30 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 14, 2:37 AM EDT | Flash Flood Warning | IND | 6 hr |
| Aug 14, 3:32 AM EDT | Flash Flood Warning | IND | 5 hr |
| Aug 14, 4:31 AM EDT | Flash Flood Warning | IND | 19 hr |
| Aug 14, 11:33 PM EDT | Areal Flood Warning | IND | 12 hr |
| Aug 15, 7:34 AM EDT | Flash Flood Warning | IND | 8 hr |
| Aug 15, 9:41 AM EDT | Special Weather Statement | IND | 64 min |
| Aug 15, 3:14 PM EDT | Areal Flood Warning | IND | 19 hr |
| Aug 16, 1:15 AM EDT | Special Weather Statement | IND | 60 min |
| Aug 19, 4:07 AM EDT | Flood Watch | IND | 28 hr |
| Aug 19, 5:52 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Aug 19, 6:43 PM EDT | Severe Thunderstorm Warning | IND | 47 min |
| Aug 19, 7:13 PM EDT | Special Weather Statement | IND | 32 min |
| Aug 19, 7:29 PM EDT | Severe Thunderstorm Warning | IND | 46 min |
| Aug 19, 7:44 PM EDT | Flash Flood Warning | IND | 3 hr |
| Aug 19, 7:57 PM EDT | Severe Thunderstorm Warning | IND | 48 min |
| Aug 19, 10:36 PM EDT | Areal Flood Advisory | IND | 112 min |
| Aug 19, 10:45 PM EDT | Areal Flood Warning | IND | 107 min |
| Aug 20, 12:32 AM EDT | Areal Flood Advisory | IND | 14 hr |
| Aug 20, 4:16 AM EDT | Areal Flood Advisory | IND | 3 hr |
| Aug 20, 8:44 AM EDT | Areal Flood Warning | IND | 26 hr |
| Aug 26, 1:22 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Aug 26, 6:58 PM EDT | Special Weather Statement | IND | 47 min |
| Aug 31, 12:51 PM EDT | Heat Advisory | IND | 5 days |
| Sep 5, 4:01 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Sep 5, 5:15 PM EDT | Severe Thunderstorm Warning | IND | 45 min |
| Sep 17, 2:08 PM EDT | Flood Watch | IND | 20 hr |
| Sep 17, 10:02 PM EDT | Special Weather Statement | IND | 28 min |
| Sep 17, 10:14 PM EDT | Special Weather Statement | IND | 31 min |
| Sep 20, 7:38 PM EDT | Mesoscale Discussion | SPC | 2 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.