Alert archive / Indiana / Sullivan County
Weather alerts in Sullivan County, Indiana, 2022
112 weather alerts in 2022, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Sullivan County and its neighbors
Each county as a circle sized by its count in 2022. Tap one for its archive.
- Alerts
- 112
- Warnings
- 36
- Watches
- 20
- Advisories
- 27
- Busiest month
- May24 alerts
- Busiest day
- May 19, 20228 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Sullivan County, 2022
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 6 | 4 | 33% | 1 | 0% | |
| Flash flood warnings | 2 | 2 | 0% | 1 | 100% | 106 min |
Each office's whole area, 2022
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Indianapolis, IN: tornado warnings | 19 | 2 | 89% | 11 | 27% | 19 min |
| NWS Indianapolis, IN: severe thunderstorm warnings | 116 | 65 | 44% | 158 | 71% | 18 min |
| NWS Indianapolis, IN: flash flood warnings | 12 | 9 | 25% | 16 | 94% | 73 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 8, 1:41 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Jan 8, 2:26 PM EST | Winter Weather Advisory | IND | 8 hr |
| Jan 31, 3:49 AM EST | Winter Storm Watch | IND | 35 hr |
| Feb 1, 3:52 AM EST | Winter Storm Warning | IND | 69 hr |
| Feb 4, 12:48 AM EST | Winter Weather Advisory | IND | 6 hr |
| Feb 15, 3:17 AM EST | Flood Watch | IND | 64 hr |
| Feb 15, 3:38 PM EST | Wind Advisory | IND | 27 hr |
| Feb 16, 11:39 AM EST | River Flood Warning | IND | 21 days |
| Feb 16, 11:39 AM EST | River Flood Warning | IND | 29 days |
| Feb 16, 11:39 AM EST | River Flood Warning | IND | 29 days |
| Feb 17, 7:48 AM EST | Areal Flood Warning | IND | 26 hr |
| Feb 21, 10:08 AM EST | Flood Watch | IND | 27 hr |
| Feb 21, 11:45 PM EST | Special Weather Statement | IND | 30 min |
| Feb 23, 4:23 PM EST | Winter Weather Advisory | IND | 36 hr |
| Feb 24, 1:15 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Feb 24, 6:24 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Mar 6, 6:04 PM EST | Flood Watch | IND | 14 hr |
| Mar 6, 9:27 PM EST | River Flood Warning | IND | 9 days |
| Mar 22, 11:47 AM EDT | River Flood Warning | IND | 14 days |
| Mar 22, 11:47 AM EDT | River Flood Warning | IND | 15 days |
| Mar 22, 11:47 AM EDT | River Flood Warning | IND | 13 days |
| Mar 29, 3:38 PM EDT | Wind Advisory | IND | 30 hr |
| Mar 30, 6:32 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Mar 30, 7:09 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Mar 30, 8:20 PM EDT | Special Weather Statement | IND | 25 min |
| Mar 30, 8:24 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Apr 8, 2:52 PM EDT | Freeze Watch | IND | 24 hr |
| Apr 9, 2:43 PM EDT | Freeze Warning | IND | 18 hr |
| Apr 13, 12:27 PM EDT | River Flood Warning | IND | 34 hr |
| Apr 16, 2:45 AM EDT | Frost Advisory | IND | 30 hr |
| Apr 18, 3:21 PM EDT | Freeze Warning | IND | 18 hr |
| Apr 26, 3:50 AM EDT | Frost Advisory | IND | 30 hr |
| May 5, 11:25 AM EDT | River Flood Warning | IND | 8 days |
| May 5, 11:25 AM EDT | River Flood Warning | IND | 7 days |
| May 5, 11:25 AM EDT | River Flood Warning | IND | 9 days |
| May 14, 7:20 PM EDT | Areal Flood Advisory | IND | 3 hr |
| May 15, 3:03 PM EDT | Mesoscale Discussion | SPC | 117 min |
| May 15, 3:22 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 15, 6:28 PM EDT | Special Weather Statement | IND | 32 min |
| May 15, 9:48 PM EDT | Areal Flood Warning | IND | 6 hr |
| May 19, 2:36 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 19, 3:47 PM EDT | Special Weather Statement | IND | 28 min |
| May 19, 3:51 PM EDT | Severe Thunderstorm Warning | IND | 24 min |
| May 19, 4:20 PM EDT | Special Weather Statement | IND | 25 min |
| May 19, 4:52 PM EDT | Special Weather Statement | IND | 23 min |
| May 19, 5:01 PM EDT | Severe Thunderstorm Warning | IND | 29 min |
| May 19, 5:26 PM EDT | Severe Thunderstorm Warning | IND | 34 min |
| May 19, 5:31 PM EDT | Areal Flood Warning | IND | 3 hr |
| May 19, 8:02 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 19, 8:58 PM EDT | Flood Watch | IND | 11 hr |
| May 19, 10:15 PM EDT | Special Weather Statement | IND | 30 min |
| May 19, 10:21 PM EDT | Severe Thunderstorm Warning | IND | 24 min |
| May 21, 11:06 AM EDT | Mesoscale Discussion | SPC | 114 min |
| 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, 2:25 PM EDT | Severe Thunderstorm Warning | IND | 35 min |
| Jun 8, 10:59 AM EDT | Special Weather Statement | IND | 31 min |
| Jun 8, 1:38 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 8, 2:29 PM EDT | Tornado Watch | SPC | 8 hr |
| Jun 12, 11:15 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 12, 3:46 PM EDT | Heat Advisory | IND | 29 hr |
| Jun 13, 3:40 AM EDT | Heat Advisory | IND | 36 hr |
| Jun 14, 3:34 AM EDT | Excessive Heat Warning | IND | 41 hr |
| Jun 15, 3:32 PM EDT | Heat Advisory | IND | 29 hr |
| Jun 17, 6:38 AM EDT | Mesoscale Discussion | SPC | 97 min |
| Jun 17, 7:03 AM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 4, 2:42 PM EDT | Heat Advisory | IND | 49 hr |
| Jul 8, 9:34 AM EDT | Special Weather Statement | IND | 26 min |
| Jul 8, 9:54 AM EDT | Flash Flood Warning | IND | 2 hr |
| Jul 19, 3:20 PM EDT | Heat Advisory | IND | 29 hr |
| Jul 23, 3:54 AM EDT | Heat Advisory | IND | 16 hr |
| Jul 24, 3:38 AM EDT | Heat Advisory | IND | 16 hr |
| Jul 24, 4:38 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 24, 5:25 PM EDT | Special Weather Statement | IND | 65 min |
| Jul 24, 6:04 PM EDT | Special Weather Statement | IND | 41 min |
| Jul 24, 6:28 PM EDT | Severe Thunderstorm Warning | IND | 62 min |
| Jul 24, 6:29 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 24, 7:58 PM EDT | Areal Flood Advisory | IND | 4 hr |
| Jul 24, 9:00 PM EDT | Flash Flood Warning | IND | 6 hr |
| Jul 25, 2:49 AM EDT | Areal Flood Warning | IND | 6 hr |
| Jul 25, 3:32 AM EDT | Flood Watch | IND | 58 hr |
| Jul 26, 5:36 AM EDT | Areal Flood Advisory | IND | 3 hr |
| Jul 26, 8:41 AM EDT | Areal Flood Warning | IND | 5 hr |
| Jul 27, 3:05 AM EDT | Areal Flood Warning | IND | 6 hr |
| Aug 1, 4:44 AM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 1, 4:39 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 1, 6:51 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Aug 1, 8:52 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Aug 3, 6:45 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Aug 8, 3:17 PM EDT | Flood Watch | IND | 14 hr |
| Aug 8, 4:43 PM EDT | Special Weather Statement | IND | 32 min |
| Sep 3, 3:22 PM EDT | Areal Flood Advisory | IND | 3 hr |
| Sep 14, 1:25 AM EDT | Dense Fog Advisory | IND | 7 hr |
| Sep 20, 5:55 AM EDT | Dense Fog Advisory | IND | 3 hr |
| Oct 7, 2:54 AM EDT | Frost Advisory | IND | 30 hr |
| Oct 8, 2:09 PM EDT | Frost Advisory | IND | 19 hr |
| Oct 13, 3:56 AM EDT | Fire Weather Watch | IND | 11 hr |
| Oct 13, 3:56 AM EDT | Red Flag Warning | IND | 11 hr |
| Oct 13, 2:57 PM EDT | Red Flag Warning | IND | 29 hr |
| Oct 16, 3:51 AM EDT | Freeze Watch | IND | 11 hr |
| Oct 16, 2:55 PM EDT | Freeze Warning | IND | 43 hr |
| Oct 18, 3:00 PM EDT | Freeze Warning | IND | 19 hr |
| Oct 19, 10:41 AM EDT | Freeze Warning | IND | 23 hr |
| Oct 19, 2:32 PM EDT | Red Flag Warning | IND | 29 hr |
| Nov 4, 3:37 AM EDT | Wind Advisory | IND | 40 hr |
| Nov 26, 12:11 AM EST | Dense Fog Advisory | IND | 9 hr |
| Nov 29, 11:50 AM EST | Wind Advisory | IND | 11 hr |
| Dec 1, 3:50 PM EST | Wind Advisory | IND | 42 hr |
| Dec 19, 3:17 PM EST | Winter Storm Watch | IND | 45 hr |
| Dec 21, 12:13 PM EST | Winter Storm Warning | IND | 67 hr |
| Dec 22, 4:39 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Dec 24, 3:07 AM EST | Wind Chill Advisory | IND | 10 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.