Alert archive / Indiana / Dearborn County
Weather alerts in Dearborn County, Indiana, 2025
152 weather alerts in 2025, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Dearborn County and its neighbors
Each county as a circle sized by its count in 2025. Tap one for its archive.
- Alerts
- 152
- Warnings
- 40
- Watches
- 20
- Advisories
- 47
- Busiest month
- April35 alerts
- Busiest day
- April 29, 20258 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
1 of 5 tornado warnings covering Dearborn County in 2025 had a tornado report inside them.
Dearborn County, 2025
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 5 | 1 | 80% | 0 | ||
| Severe thunderstorm warnings | 21 | 13 | 38% | 6 | 17% | 36 min |
| Flash flood warnings | 3 | 1 | 67% | 1 | 100% | 133 min |
Each office's whole area, 2025
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Wilmington, OH: tornado warnings | 37 | 5 | 86% | 22 | 27% | 10 min |
| NWS Wilmington, OH: severe thunderstorm warnings | 223 | 138 | 38% | 553 | 76% | 27 min |
| NWS Wilmington, OH: flash flood warnings | 46 | 26 | 43% | 109 | 72% | 85 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 3, 4:09 AM EST | Winter Storm Watch | ILN | 33 hr |
| Jan 4, 3:51 AM EST | Winter Storm Warning | ILN | 61 hr |
| Jan 8, 9:10 AM EST | Cold Weather Advisory | ILN | 24 hr |
| Jan 9, 3:51 AM EST | Winter Storm Watch | ILN | 8 hr |
| Jan 9, 3:51 AM EST | Winter Weather Advisory | ILN | 49 hr |
| Jan 14, 4:41 PM EST | Winter Weather Advisory | ILN | 3 hr |
| Jan 17, 2:15 PM EST | Extreme Cold Watch | ILN | 36 hr |
| Jan 19, 2:30 AM EST | Cold Weather Advisory | ILN | 3 days |
| Feb 10, 2:56 AM EST | Winter Weather Advisory | ILN | 56 hr |
| Feb 12, 1:46 PM EST | Dense Fog Advisory | ILN | 10 hr |
| Feb 13, 2:16 AM EST | Flood Watch | ILN | 3 days |
| Feb 15, 2:42 PM EST | Winter Weather Advisory | ILN | 33 hr |
| Feb 15, 11:01 PM EST | Flash Flood Warning | ILN | 5 hr |
| Feb 16, 3:38 AM EST | Areal Flood Warning | ILN | 29 hr |
| Feb 17, 11:33 AM EST | River Flood Warning | ILN | 4 days |
| Feb 19, 2:50 PM EST | Winter Weather Advisory | ILN | 13 hr |
| Feb 27, 2:14 PM EST | Wind Advisory | ILN | 29 hr |
| Feb 27, 2:55 PM EST | Special Weather Statement | ILN | 35 min |
| Feb 27, 4:19 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Mar 4, 1:46 PM EST | Wind Advisory | ILN | 15 hr |
| Mar 14, 3:47 AM EDT | Wind Advisory | ILN | 50 hr |
| Mar 14, 3:11 PM EDT | Flood Watch | ILN | 39 hr |
| Mar 15, 2:09 AM EDT | Mesoscale Discussion | SPC | 96 min |
| Mar 15, 2:36 AM EDT | Tornado Watch | SPC | 6 hr |
| Mar 15, 5:41 AM EDT | Severe Thunderstorm Warning | ILN | 49 min |
| Mar 15, 6:27 AM EDT | Special Weather Statement | ILN | 33 min |
| Mar 19, 1:42 PM EDT | Wind Advisory | ILN | 11 hr |
| Mar 19, 6:55 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Mar 19, 8:48 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Mar 19, 9:27 PM EDT | Severe Thunderstorm Warning | ILN | 48 min |
| Mar 19, 10:18 PM EDT | Special Weather Statement | ILN | 42 min |
| Mar 26, 7:12 AM EDT | Dense Fog Advisory | ILN | 4 hr |
| Mar 30, 6:35 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Mar 30, 6:45 PM EDT | Tornado Watch | SPC | 6 hr |
| Mar 30, 7:49 PM EDT | Tornado Warning | ILN | 26 min |
| Mar 30, 7:55 PM EDT | Severe Thunderstorm Warning | ILN | 65 min |
| Mar 30, 8:10 PM EDT | Severe Thunderstorm Warning | ILN | 65 min |
| Mar 30, 8:15 PM EDT | Tornado Warning | ILN | 30 min |
| Mar 30, 8:19 PM EDT | Tornado Warning | ILN | 26 min |
| Mar 31, 3:08 PM EDT | Flood Watch | ILN | 6 days |
| Apr 1, 2:45 PM EDT | Wind Advisory | ILN | 29 hr |
| Apr 2, 8:45 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 2, 9:13 PM EDT | Tornado Watch | SPC | 7 hr |
| Apr 2, 10:46 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Apr 2, 11:38 PM EDT | Severe Thunderstorm Warning | ILN | 55 min |
| Apr 3, 12:01 AM EDT | Severe Thunderstorm Warning | ILN | 59 min |
| Apr 3, 12:12 AM EDT | Severe Thunderstorm Warning | ILN | 48 min |
| Apr 3, 12:16 AM EDT | Severe Thunderstorm Warning | ILN | 44 min |
| Apr 4, 5:08 AM EDT | Areal Flood Advisory | ILN | 5 hr |
| Apr 4, 12:24 PM EDT | River Flood Warning | ILN | 7 days |
| Apr 4, 3:03 PM EDT | Areal Flood Warning | ILN | 49 hr |
| Apr 4, 4:19 PM EDT | Areal Flood Advisory | ILN | 66 hr |
| Apr 4, 9:09 PM EDT | Special Weather Statement | ILN | 36 min |
| Apr 5, 5:39 AM EDT | River Flood Advisory | ILN | 9 hr |
| Apr 5, 11:09 AM EDT | River Flood Warning | ILN | 9 hr |
| Apr 5, 8:02 PM EDT | River Flood Advisory | ILN | 28 hr |
| Apr 6, 3:30 PM EDT | Freeze Watch | ILN | 12 hr |
| Apr 7, 3:06 AM EDT | Freeze Warning | ILN | 31 hr |
| Apr 7, 10:17 AM EDT | Areal Flood Advisory | ILN | 13 hr |
| Apr 8, 3:19 AM EDT | Freeze Watch | ILN | 7 hr |
| Apr 8, 10:23 AM EDT | Freeze Warning | ILN | 23 hr |
| Apr 11, 2:57 AM EDT | Freeze Warning | ILN | 30 hr |
| Apr 14, 3:05 PM EDT | Special Weather Statement | ILN | 25 min |
| Apr 14, 3:25 PM EDT | Special Weather Statement | ILN | 50 min |
| Apr 14, 3:30 PM EDT | Severe Thunderstorm Warning | ILN | 45 min |
| Apr 19, 10:44 AM EDT | Special Weather Statement | ILN | 46 min |
| Apr 19, 3:25 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 29, 12:01 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Apr 29, 12:27 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 29, 12:34 PM EDT | Severe Thunderstorm Warning | ILN | 56 min |
| Apr 29, 1:03 PM EDT | Severe Thunderstorm Warning | ILN | 57 min |
| Apr 29, 4:27 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 29, 4:51 PM EDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Apr 29, 6:15 PM EDT | Special Weather Statement | ILN | 45 min |
| Apr 29, 6:49 PM EDT | Severe Thunderstorm Warning | ILN | 56 min |
| May 1, 11:42 AM EDT | Special Weather Statement | ILN | 33 min |
| May 1, 11:55 AM EDT | Special Weather Statement | ILN | 35 min |
| May 16, 6:51 PM EDT | Mesoscale Discussion | SPC | 114 min |
| May 16, 7:17 PM EDT | Tornado Watch | SPC | 7 hr |
| May 16, 7:31 PM EDT | Severe Thunderstorm Warning | ILN | 44 min |
| May 16, 7:49 PM EDT | Severe Thunderstorm Warning | ILN | 41 min |
| May 16, 7:56 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 16, 8:04 PM EDT | Tornado Warning | ILN | 26 min |
| Jun 18, 4:08 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jun 18, 4:51 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 18, 5:41 PM EDT | Severe Thunderstorm Warning | ILN | 64 min |
| Jun 18, 6:24 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Jun 18, 6:32 PM EDT | Severe Thunderstorm Warning | ILN | 58 min |
| Jun 18, 9:56 PM EDT | Special Weather Statement | ILN | 34 min |
| Jun 20, 3:15 AM EDT | Extreme Heat Watch | ILN | 23 hr |
| Jun 21, 2:21 AM EDT | Heat Advisory | ILN | 7 days |
| Jun 25, 2:22 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Jun 26, 2:07 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Jun 26, 6:20 PM EDT | Special Weather Statement | ILN | 40 min |
| Jun 26, 6:44 PM EDT | Areal Flood Advisory | ILN | 3 hr |
| Jun 27, 1:55 PM EDT | Special Weather Statement | ILN | 35 min |
| Jun 28, 5:38 PM EDT | Special Weather Statement | ILN | 37 min |
| Jul 1, 4:13 AM EDT | Areal Flood Advisory | ILN | 5 hr |
| Jul 9, 3:54 PM EDT | Areal Flood Advisory | ILN | 2 hr |
| Jul 12, 12:42 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 12, 4:29 PM EDT | Mesoscale Discussion | SPC | 91 min |
| Jul 12, 5:24 PM EDT | Special Weather Statement | ILN | 36 min |
| Jul 12, 5:55 PM EDT | Severe Thunderstorm Warning | ILN | 35 min |
| Jul 12, 6:00 PM EDT | Areal Flood Advisory | ILN | 74 min |
| Jul 12, 6:25 PM EDT | Special Weather Statement | ILN | 35 min |
| Jul 12, 6:29 PM EDT | Flash Flood Warning | ILN | 43 min |
| Jul 17, 1:53 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 17, 7:54 PM EDT | Areal Flood Advisory | ILN | 113 min |
| Jul 20, 1:50 AM EDT | Flood Watch | ILN | 27 hr |
| Jul 20, 2:35 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 20, 6:32 PM EDT | Severe Thunderstorm Warning | ILN | 43 min |
| Jul 20, 6:58 PM EDT | Severe Thunderstorm Warning | ILN | 47 min |
| Jul 20, 7:00 PM EDT | Tornado Warning | ILN | 30 min |
| Jul 20, 8:22 PM EDT | Areal Flood Advisory | ILN | 6 hr |
| Jul 20, 9:39 PM EDT | Areal Flood Advisory | ILN | 3 hr |
| Jul 23, 12:05 AM EDT | Heat Advisory | ILN | 68 hr |
| Jul 26, 1:20 AM EDT | Heat Advisory | ILN | 19 hr |
| Jul 27, 1:04 AM EDT | Heat Advisory | ILN | 4 days |
| Jul 28, 5:18 PM EDT | Special Weather Statement | ILN | 27 min |
| Jul 28, 5:54 PM EDT | Areal Flood Advisory | ILN | 25 min |
| Jul 28, 6:19 PM EDT | Flash Flood Warning | ILN | 2 hr |
| Jul 31, 8:21 AM EDT | Special Weather Statement | ILN | 24 min |
| Jul 31, 8:50 AM EDT | Special Weather Statement | ILN | 40 min |
| Aug 19, 2:15 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Aug 19, 3:51 PM EDT | Special Weather Statement | ILN | 24 min |
| Aug 19, 4:12 PM EDT | Special Weather Statement | ILN | 33 min |
| Sep 4, 1:58 AM EDT | Special Weather Statement | ILN | 32 min |
| Sep 22, 1:28 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 22, 11:43 PM EDT | Dense Fog Advisory | ILN | 10 hr |
| Sep 25, 11:40 PM EDT | Dense Fog Advisory | ILN | 10 hr |
| Oct 7, 12:34 PM EDT | Areal Flood Advisory | ILN | 5 hr |
| Oct 18, 10:13 PM EDT | Wind Advisory | ILN | 13 hr |
| Oct 22, 11:53 AM EDT | Frost Advisory | ILN | 21 hr |
| Oct 22, 11:53 AM EDT | Freeze Watch | ILN | 13 hr |
| Oct 23, 1:03 AM EDT | Freeze Warning | ILN | 32 hr |
| Oct 24, 1:33 PM EDT | Frost Advisory | ILN | 20 hr |
| Nov 10, 7:52 AM EST | Winter Weather Advisory | ILN | 6 hr |
| Nov 18, 10:36 AM EST | Areal Flood Advisory | ILN | 3 hr |
| Nov 18, 5:18 PM EST | Special Weather Statement | ILN | 42 min |
| Nov 18, 5:23 PM EST | Severe Thunderstorm Warning | ILN | 52 min |
| Nov 18, 5:50 PM EST | Severe Thunderstorm Warning | ILN | 27 min |
| Nov 23, 8:08 PM EST | Dense Fog Advisory | ILN | 14 hr |
| Nov 30, 11:58 PM EST | Winter Weather Advisory | ILN | 34 hr |
| Dec 10, 7:42 PM EST | Winter Weather Advisory | ILN | 37 hr |
| Dec 10, 10:06 PM EST | Special Weather Statement | ILN | 84 min |
| Dec 11, 2:21 PM EST | Winter Storm Watch | ILN | 23 hr |
| Dec 12, 12:51 PM EST | Winter Storm Warning | ILN | 37 hr |
| Dec 12, 12:51 PM EST | Winter Weather Advisory | ILN | 40 hr |
| Dec 13, 12:36 AM EST | Cold Weather Advisory | ILN | 58 hr |
| Dec 18, 11:35 AM EST | Wind Advisory | ILN | 10 hr |
| Dec 24, 2:01 AM EST | Dense Fog Advisory | ILN | 7 hr |
| Dec 28, 12:51 AM EST | Wind Advisory | ILN | 41 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 archive20242026
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.