Alert archive / Indiana / Dearborn County
Weather alerts in Dearborn County, Indiana, 2022
147 weather alerts in 2022, 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 2022. Tap one for its archive.
- Alerts
- 147
- Warnings
- 36
- Watches
- 25
- Advisories
- 39
- Busiest month
- June35 alerts
- Busiest day
- June 8, 20229 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 2 tornado warnings covering Dearborn County in 2022 had a tornado report inside them.
Dearborn County, 2022
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 2 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 20 | 17 | 15% | 12 | 58% | 21 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2022
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Wilmington, OH: tornado warnings | 26 | 6 | 77% | 22 | 45% | 7 min |
| NWS Wilmington, OH: severe thunderstorm warnings | 210 | 140 | 33% | 518 | 70% | 24 min |
| NWS Wilmington, OH: flash flood warnings | 25 | 13 | 48% | 35 | 77% | 84 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 28, 11:20 AM EST | Winter Weather Advisory | ILN | 8 hr |
| Jan 31, 3:04 PM EST | Winter Storm Watch | ILN | 42 hr |
| Feb 1, 10:11 AM EST | Winter Storm Warning | ILN | 64 hr |
| Feb 3, 3:21 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 3, 5:55 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Feb 4, 2:32 AM EST | Winter Weather Advisory | ILN | 11 hr |
| Feb 15, 1:49 PM EST | Wind Advisory | ILN | 29 hr |
| Feb 16, 9:21 AM EST | Flood Watch | ILN | 35 hr |
| Feb 17, 9:15 AM EST | Areal Flood Advisory | ILN | 6 hr |
| Feb 17, 10:56 AM EST | River Flood Advisory | ILN | 15 hr |
| Feb 17, 3:02 PM EST | Areal Flood Warning | ILN | 18 hr |
| Feb 17, 3:10 PM EST | Areal Flood Warning | ILN | 27 hr |
| Feb 21, 3:27 AM EST | Flood Watch | ILN | 36 hr |
| Feb 26, 11:18 AM EST | River Flood Advisory | ILN | 3 days |
| Mar 6, 2:23 PM EST | Special Weather Statement | ILN | 37 min |
| Mar 6, 5:52 PM EST | Flood Watch | ILN | 19 hr |
| Mar 7, 3:50 AM EST | Special Weather Statement | ILN | 40 min |
| Mar 7, 3:59 AM EST | Severe Thunderstorm Warning | ILN | 46 min |
| Mar 7, 10:44 AM EST | River Flood Advisory | ILN | 10 hr |
| Mar 11, 3:05 AM EST | Winter Weather Advisory | ILN | 24 hr |
| Mar 23, 12:40 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 23, 1:07 PM EDT | Special Weather Statement | ILN | 38 min |
| Mar 23, 1:29 PM EDT | Tornado Warning | ILN | 31 min |
| Mar 23, 1:45 PM EDT | Special Weather Statement | ILN | 45 min |
| Mar 29, 2:23 PM EDT | Wind Advisory | ILN | 41 hr |
| Mar 30, 11:06 PM EDT | High Wind Warning | ILN | 5 hr |
| Apr 6, 12:27 AM EDT | Dense Fog Advisory | ILN | 9 hr |
| Apr 8, 3:27 PM EDT | Freeze Watch | ILN | 24 hr |
| Apr 9, 3:24 PM EDT | Freeze Warning | ILN | 18 hr |
| Apr 13, 6:51 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Apr 13, 8:30 PM EDT | Severe Thunderstorm Warning | ILN | 45 min |
| Apr 16, 3:08 AM EDT | Freeze Warning | ILN | 30 hr |
| Apr 21, 9:17 PM EDT | Dense Fog Advisory | ILN | 13 hr |
| Apr 26, 3:48 AM EDT | Frost Advisory | ILN | 29 hr |
| May 3, 2:16 PM EDT | Special Weather Statement | ILN | 29 min |
| May 3, 2:29 PM EDT | Tornado Watch | SPC | 7 hr |
| May 3, 3:31 PM EDT | Special Weather Statement | ILN | 29 min |
| May 6, 2:06 PM EDT | Mesoscale Discussion | SPC | 69 min |
| May 14, 2:07 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 19, 6:59 PM EDT | Special Weather Statement | ILN | 31 min |
| May 19, 7:11 PM EDT | Severe Thunderstorm Warning | ILN | 49 min |
| May 19, 8:02 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 19, 8:17 PM EDT | Severe Thunderstorm Warning | ILN | 43 min |
| May 20, 3:32 AM EDT | Areal Flood Advisory | ILN | 4 hr |
| May 21, 1:00 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 21, 1:51 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 21, 4:21 PM EDT | Areal Flood Advisory | ILN | 4 hr |
| May 21, 4:30 PM EDT | Mesoscale Discussion | SPC | 90 min |
| May 21, 4:39 PM EDT | Severe Thunderstorm Warning | ILN | 51 min |
| May 21, 5:03 PM EDT | Severe Thunderstorm Warning | ILN | 42 min |
| May 25, 4:15 PM EDT | Severe Thunderstorm Warning | ILN | 30 min |
| May 25, 7:22 PM EDT | Special Weather Statement | ILN | 53 min |
| May 26, 12:56 PM EDT | Special Weather Statement | ILN | 34 min |
| May 26, 1:03 PM EDT | Severe Thunderstorm Warning | ILN | 42 min |
| May 26, 1:31 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Jun 1, 2:58 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Jun 1, 7:24 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Jun 6, 3:22 PM EDT | Severe Thunderstorm Warning | ILN | 53 min |
| Jun 6, 3:32 PM EDT | Severe Thunderstorm Warning | ILN | 43 min |
| Jun 6, 3:35 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 7, 2:09 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 8, 1:21 PM EDT | Special Weather Statement | ILN | 39 min |
| Jun 8, 1:38 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 8, 2:08 PM EDT | Special Weather Statement | ILN | 52 min |
| Jun 8, 2:29 PM EDT | Tornado Watch | SPC | 8 hr |
| Jun 8, 3:43 PM EDT | Special Weather Statement | ILN | 47 min |
| Jun 8, 4:23 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 8, 6:00 PM EDT | Areal Flood Advisory | ILN | 3 hr |
| Jun 8, 6:03 PM EDT | Severe Thunderstorm Warning | ILN | 42 min |
| Jun 8, 6:34 PM EDT | Severe Thunderstorm Warning | ILN | 21 min |
| Jun 12, 11:15 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 13, 3:21 AM EDT | Excessive Heat Watch | ILN | 12 hr |
| Jun 13, 12:41 PM EDT | Heat Advisory | ILN | 6 hr |
| Jun 13, 1:29 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 13, 2:20 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 13, 3:41 PM EDT | Excessive Heat Warning | ILN | 52 hr |
| Jun 13, 4:11 PM EDT | Special Weather Statement | ILN | 34 min |
| Jun 13, 4:55 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Jun 13, 4:59 PM EDT | Severe Thunderstorm Warning | ILN | 61 min |
| Jun 13, 5:16 PM EDT | Severe Thunderstorm Warning | ILN | 59 min |
| Jun 14, 3:40 AM EDT | Excessive Heat Watch | ILN | 12 hr |
| Jun 15, 3:29 PM EDT | Heat Advisory | ILN | 29 hr |
| Jun 17, 10:20 AM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 17, 11:08 AM EDT | Severe Thunderstorm Warning | ILN | 37 min |
| Jun 22, 3:39 AM EDT | Heat Advisory | ILN | 15 hr |
| Jun 22, 2:24 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Jun 22, 3:54 PM EDT | Special Weather Statement | ILN | 36 min |
| Jun 22, 3:54 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 22, 4:27 PM EDT | Severe Thunderstorm Warning | ILN | 48 min |
| Jun 22, 4:50 PM EDT | Mesoscale Discussion | SPC | 85 min |
| Jul 4, 3:33 PM EDT | Heat Advisory | ILN | 29 hr |
| Jul 5, 5:08 PM EDT | Special Weather Statement | ILN | 37 min |
| Jul 5, 5:40 PM EDT | Special Weather Statement | ILN | 35 min |
| Jul 6, 3:08 AM EDT | Heat Advisory | ILN | 14 hr |
| Jul 6, 12:15 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 6, 12:35 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 6, 1:49 PM EDT | Severe Thunderstorm Warning | ILN | 56 min |
| Jul 6, 2:27 PM EDT | Severe Thunderstorm Warning | ILN | 63 min |
| Jul 17, 9:44 AM EDT | Areal Flood Advisory | ILN | 2 hr |
| Jul 17, 9:52 AM EDT | Flood Watch | ILN | 26 hr |
| Jul 19, 2:51 PM EDT | Heat Advisory | ILN | 29 hr |
| Jul 23, 3:30 AM EDT | Heat Advisory | ILN | 12 hr |
| Jul 24, 3:07 AM EDT | Heat Advisory | ILN | 16 hr |
| Jul 26, 10:04 AM EDT | Flood Watch | ILN | 27 hr |
| Jul 27, 10:31 AM EDT | Areal Flood Advisory | ILN | 2 hr |
| Aug 1, 8:43 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 1, 10:27 AM EDT | Special Weather Statement | ILN | 33 min |
| Aug 1, 4:07 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Aug 1, 4:59 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 1, 5:48 PM EDT | Special Weather Statement | ILN | 27 min |
| Aug 1, 6:10 PM EDT | Tornado Warning | ILN | 35 min |
| Aug 1, 6:32 PM EDT | Flood Watch | ILN | 9 hr |
| Aug 1, 6:51 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Aug 1, 8:52 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Aug 2, 3:11 PM EDT | Heat Advisory | ILN | 29 hr |
| Aug 4, 2:55 PM EDT | Flood Watch | ILN | 27 hr |
| Aug 6, 6:48 AM EDT | Areal Flood Advisory | ILN | 3 hr |
| Aug 29, 2:34 PM EDT | Special Weather Statement | ILN | 26 min |
| Sep 3, 6:44 AM EDT | Special Weather Statement | ILN | 31 min |
| Sep 3, 4:18 PM EDT | Areal Flood Advisory | ILN | 3 hr |
| Sep 3, 6:33 PM EDT | Areal Flood Advisory | ILN | 3 hr |
| Sep 4, 3:18 AM EDT | Flood Watch | ILN | 44 hr |
| Sep 5, 2:38 AM EDT | Areal Flood Advisory | ILN | 3 hr |
| Sep 14, 4:20 AM EDT | Dense Fog Advisory | ILN | 5 hr |
| Sep 20, 4:55 AM EDT | Dense Fog Advisory | ILN | 5 hr |
| Sep 21, 6:42 PM EDT | Special Weather Statement | ILN | 33 min |
| Sep 21, 7:14 PM EDT | Severe Thunderstorm Warning | ILN | 46 min |
| Sep 21, 7:39 PM EDT | Severe Thunderstorm Warning | ILN | 51 min |
| Oct 7, 3:24 AM EDT | Frost Advisory | ILN | 30 hr |
| Oct 8, 2:55 PM EDT | Frost Advisory | ILN | 18 hr |
| Oct 14, 3:39 AM EDT | Red Flag Warning | ILN | 16 hr |
| Oct 16, 3:37 AM EDT | Freeze Watch | ILN | 36 hr |
| Oct 16, 3:35 PM EDT | Freeze Warning | ILN | 37 hr |
| Oct 18, 3:13 PM EDT | Freeze Warning | ILN | 19 hr |
| Oct 19, 3:34 AM EDT | Freeze Watch | ILN | 10 hr |
| Oct 19, 1:37 PM EDT | Freeze Warning | ILN | 20 hr |
| Oct 19, 3:27 PM EDT | Red Flag Warning | ILN | 29 hr |
| Nov 4, 2:58 PM EDT | Wind Advisory | ILN | 29 hr |
| Dec 6, 3:20 AM EST | Dense Fog Advisory | ILN | 9 hr |
| Dec 9, 11:50 PM EST | Dense Fog Advisory | ILN | 10 hr |
| Dec 21, 12:12 PM EST | Wind Chill Watch | ILN | 15 hr |
| Dec 21, 12:12 PM EST | Winter Storm Watch | ILN | 15 hr |
| Dec 21, 12:12 PM EST | Winter Storm Warning | ILN | 67 hr |
| Dec 22, 3:15 AM EST | Wind Chill Warning | ILN | 52 hr |
| Dec 22, 4:39 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Dec 23, 3:56 AM EST | Wind Chill Advisory | ILN | 56 hr |
| Dec 24, 6:50 AM EST | Winter Weather Advisory | ILN | 6 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 archive20212023
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.