Alert archive / Indiana / Perry County
Weather alerts in Perry County, Indiana, 2023
145 weather alerts in 2023, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Perry County and its neighbors
Each county as a circle sized by its count in 2023. Tap one for its archive.
- Alerts
- 145
- Warnings
- 45
- Watches
- 17
- Advisories
- 33
- Busiest month
- June26 alerts
- Busiest day
- March 3, 202311 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 2 tornado warnings covering Perry County in 2023 had a tornado report inside them; 0 of 1 tornado reports fell inside a warning.
Perry County, 2023
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 2 | 1 | 50% | 1 | 0% | |
| Severe thunderstorm warnings | 33 | 23 | 30% | 9 | 78% | 14 min |
| Flash flood warnings | 2 | 2 | 0% | 0 |
Each office's whole area, 2023
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Louisville, KY: tornado warnings | 42 | 12 | 71% | 40 | 45% | 18 min |
| NWS Louisville, KY: severe thunderstorm warnings | 328 | 208 | 37% | 560 | 82% | 17 min |
| NWS Louisville, KY: flash flood warnings | 34 | 19 | 44% | 66 | 83% | 63 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, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Dec 31, 8:50 PM CST | Dense Fog Advisory | LMK | 12 hr |
| Jan 3, 3:06 AM CST | Flood Watch | LMK | 9 hr |
| Jan 3, 7:42 AM CST | Areal Flood Advisory | LMK | 6 hr |
| Jan 12, 4:01 AM CST | Severe Thunderstorm Warning | LMK | 29 min |
| Jan 12, 4:17 AM CST | Severe Thunderstorm Warning | LMK | 28 min |
| Jan 12, 4:29 AM CST | Severe Thunderstorm Warning | LMK | 31 min |
| Jan 12, 4:32 AM CST | Mesoscale Discussion | SPC | 118 min |
| Jan 12, 4:56 AM CST | Severe Thunderstorm Warning | LMK | 34 min |
| Jan 12, 5:00 AM CST | Severe Thunderstorm Watch | SPC | 7 hr |
| Jan 12, 5:32 AM CST | Special Weather Statement | LMK | 43 min |
| Jan 12, 6:03 AM CST | Areal Flood Advisory | LMK | 3 hr |
| Jan 18, 1:55 PM CST | Wind Advisory | LMK | 28 hr |
| Jan 22, 5:31 AM CST | Winter Weather Advisory | LMK | 6 hr |
| Jan 24, 2:37 AM CST | Winter Weather Advisory | LMK | 31 hr |
| Jan 27, 1:52 AM CST | Wind Advisory | LMK | 16 hr |
| Jan 30, 2:34 AM CST | Winter Weather Advisory | LMK | 32 hr |
| Jan 30, 6:06 PM CST | Mesoscale Discussion | SPC | 5 hr |
| Feb 8, 2:15 AM CST | Wind Advisory | LMK | 40 hr |
| Feb 13, 1:53 PM CST | Wind Advisory | LMK | 33 hr |
| Feb 16, 10:31 AM CST | Areal Flood Advisory | LMK | 4 hr |
| Feb 21, 2:52 PM CST | Wind Advisory | LMK | 30 hr |
| Feb 26, 3:14 AM CST | Wind Advisory | LMK | 35 hr |
| Feb 27, 7:31 AM CST | Special Weather Statement | LMK | 44 min |
| Feb 27, 1:49 PM CST | High Wind Warning | LMK | 2 hr |
| Feb 27, 4:01 PM CST | Wind Advisory | LMK | 119 min |
| Mar 1, 4:56 PM CST | Mesoscale Discussion | SPC | 64 min |
| Mar 1, 5:02 PM CST | Special Weather Statement | LMK | 43 min |
| Mar 1, 5:19 PM CST | Severe Thunderstorm Warning | LMK | 26 min |
| Mar 2, 2:39 AM CST | Flood Watch | LMK | 36 hr |
| Mar 2, 2:41 AM CST | Wind Advisory | LMK | 44 hr |
| Mar 2, 12:45 PM CST | High Wind Warning | LMK | 32 hr |
| Mar 3, 6:25 AM CST | Areal Flood Advisory | LMK | 3 hr |
| Mar 3, 9:10 AM CST | Flash Flood Warning | LMK | 6 hr |
| Mar 3, 10:15 AM CST | Mesoscale Discussion | SPC | 3 hr |
| Mar 3, 11:07 AM CST | Tornado Watch | SPC | 4 hr |
| Mar 3, 11:44 AM CST | Mesoscale Discussion | SPC | 2 hr |
| Mar 3, 12:40 PM CST | Severe Thunderstorm Warning | LMK | 50 min |
| Mar 3, 12:42 PM CST | Severe Thunderstorm Warning | LMK | 48 min |
| Mar 3, 1:12 PM CST | Tornado Warning | LMK | 33 min |
| Mar 3, 1:15 PM CST | Severe Thunderstorm Warning | LMK | 45 min |
| Mar 3, 1:20 PM CST | Severe Thunderstorm Warning | LMK | 40 min |
| Mar 3, 1:40 PM CST | Mesoscale Discussion | SPC | 3 hr |
| Mar 22, 1:50 PM CDT | Flood Watch | LMK | 60 hr |
| Mar 24, 4:17 AM CDT | Special Weather Statement | LMK | 28 min |
| Mar 24, 11:41 AM CDT | Wind Advisory | LMK | 28 hr |
| Mar 24, 9:00 PM CDT | Areal Flood Advisory | LMK | 5 hr |
| Mar 24, 11:46 PM CDT | Areal Flood Warning | LMK | 3 hr |
| Mar 31, 2:50 AM CDT | Wind Advisory | LMK | 37 hr |
| Mar 31, 6:20 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Mar 31, 6:59 PM CDT | Tornado Watch | SPC | 7 hr |
| Mar 31, 9:31 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Mar 31, 10:21 PM CDT | Tornado Warning | LMK | 24 min |
| Mar 31, 11:59 PM CDT | Special Weather Statement | LMK | 31 min |
| Apr 1, 9:30 AM CDT | High Wind Warning | LMK | 5 hr |
| Apr 1, 9:30 AM CDT | Wind Advisory | LMK | 7 hr |
| Apr 4, 1:00 PM CDT | Wind Advisory | LMK | 30 hr |
| Apr 5, 9:09 AM CDT | Mesoscale Discussion | SPC | 66 min |
| Apr 5, 9:25 AM CDT | Tornado Watch | SPC | 7 hr |
| Apr 5, 12:36 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Apr 5, 2:41 PM CDT | Severe Thunderstorm Warning | LMK | 34 min |
| Apr 5, 2:59 PM CDT | Severe Thunderstorm Warning | LMK | 31 min |
| Apr 5, 3:05 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Apr 15, 11:11 PM CDT | Special Weather Statement | LMK | 34 min |
| Apr 15, 11:52 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Apr 17, 2:11 PM CDT | Frost Advisory | LMK | 18 hr |
| Apr 19, 2:26 AM CDT | Fire Weather Watch | LMK | 12 hr |
| Apr 19, 2:24 PM CDT | Red Flag Warning | LMK | 29 hr |
| Apr 22, 2:38 AM CDT | Frost Advisory | LMK | 29 hr |
| Apr 23, 3:00 AM CDT | Freeze Warning | LMK | 29 hr |
| May 31, 3:01 PM CDT | Special Weather Statement | LMK | 14 min |
| Jun 11, 1:56 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 25, 5:21 AM CDT | Special Weather Statement | LMK | 39 min |
| Jun 25, 7:34 AM CDT | Special Weather Statement | LMK | 41 min |
| Jun 25, 2:22 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Jun 25, 2:54 PM CDT | Tornado Watch | SPC | 7 hr |
| Jun 25, 4:14 PM CDT | Severe Thunderstorm Warning | LMK | 31 min |
| Jun 25, 4:47 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Jun 25, 4:57 PM CDT | Special Weather Statement | LMK | 18 min |
| Jun 25, 7:34 PM CDT | Severe Thunderstorm Warning | LMK | 26 min |
| Jun 25, 7:46 PM CDT | Severe Thunderstorm Warning | LMK | 29 min |
| Jun 25, 8:01 PM CDT | Special Weather Statement | LMK | 29 min |
| Jun 25, 8:23 PM CDT | Severe Thunderstorm Warning | LMK | 22 min |
| Jun 25, 8:56 PM CDT | Severe Thunderstorm Warning | LMK | 34 min |
| Jun 28, 2:59 AM CDT | Heat Advisory | LMK | 65 hr |
| Jun 29, 7:22 AM CDT | Mesoscale Discussion | SPC | 53 min |
| Jun 29, 7:44 AM CDT | Severe Thunderstorm Warning | LMK | 46 min |
| Jun 29, 7:52 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 29, 8:06 AM CDT | Special Weather Statement | LMK | 39 min |
| Jun 29, 8:39 AM CDT | Severe Thunderstorm Warning | LMK | 51 min |
| Jun 29, 9:13 AM CDT | Special Weather Statement | LMK | 32 min |
| Jun 29, 9:35 AM CDT | Flash Flood Warning | LMK | 3 hr |
| Jun 29, 1:08 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 29, 2:59 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 29, 3:05 PM CDT | Special Weather Statement | LMK | 25 min |
| Jun 29, 3:13 PM CDT | Severe Thunderstorm Warning | LMK | 47 min |
| Jun 29, 7:38 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 1, 12:58 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 1, 2:23 AM CDT | Severe Thunderstorm Warning | LMK | 37 min |
| Jul 1, 8:43 AM CDT | Mesoscale Discussion | SPC | 92 min |
| Jul 1, 9:04 AM CDT | Special Weather Statement | LMK | 41 min |
| Jul 1, 3:35 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Jul 1, 3:55 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 2, 11:56 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 2, 12:16 PM CDT | Severe Thunderstorm Warning | LMK | 44 min |
| Jul 2, 12:32 PM CDT | Severe Thunderstorm Warning | LMK | 43 min |
| Jul 2, 12:33 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 2, 1:07 PM CDT | Severe Thunderstorm Warning | LMK | 23 min |
| Jul 2, 1:49 PM CDT | Severe Thunderstorm Warning | LMK | 26 min |
| Jul 2, 3:32 PM CDT | Severe Thunderstorm Warning | LMK | 43 min |
| Jul 2, 3:42 PM CDT | Severe Thunderstorm Warning | LMK | 33 min |
| Jul 2, 3:56 PM CDT | Severe Thunderstorm Warning | LMK | 49 min |
| Jul 8, 4:42 PM CDT | Special Weather Statement | LMK | 33 min |
| Jul 8, 5:25 PM CDT | Areal Flood Advisory | LMK | 3 hr |
| Jul 8, 5:38 PM CDT | Areal Flood Advisory | LMK | 3 hr |
| Jul 15, 9:20 AM CDT | Areal Flood Advisory | LMK | 3 hr |
| Jul 18, 9:02 AM CDT | Severe Thunderstorm Warning | LMK | 43 min |
| Jul 18, 4:37 PM CDT | Areal Flood Advisory | LMK | 3 hr |
| Jul 24, 2:37 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 24, 5:12 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jul 26, 2:42 AM CDT | Heat Advisory | LMK | 65 hr |
| Jul 29, 2:02 AM CDT | Heat Advisory | LMK | 17 hr |
| Jul 29, 9:12 PM CDT | Severe Thunderstorm Warning | LMK | 48 min |
| Aug 3, 3:28 AM CDT | Areal Flood Advisory | LMK | 4 hr |
| Aug 4, 12:55 AM CDT | Dense Fog Advisory | LMK | 8 hr |
| Aug 5, 6:11 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 6, 8:37 PM CDT | Tornado Watch | SPC | 7 hr |
| Aug 6, 11:07 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Aug 7, 1:00 AM CDT | Special Weather Statement | LMK | 30 min |
| Aug 7, 1:15 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 12, 7:53 AM CDT | Mesoscale Discussion | SPC | 97 min |
| Aug 14, 3:56 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 14, 5:45 PM CDT | Special Weather Statement | LMK | 15 min |
| Aug 19, 1:47 PM CDT | Excessive Heat Watch | LMK | 37 hr |
| Aug 20, 2:19 PM CDT | Excessive Heat Warning | LMK | 5 days |
| Aug 26, 12:53 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 26, 1:30 AM CDT | Special Weather Statement | LMK | 30 min |
| Sep 27, 6:43 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 27, 8:14 PM CDT | Special Weather Statement | LMK | 46 min |
| Sep 27, 9:27 PM CDT | Severe Thunderstorm Warning | LMK | 33 min |
| Sep 27, 9:58 PM CDT | Severe Thunderstorm Warning | LMK | 32 min |
| Sep 27, 10:56 PM CDT | Severe Thunderstorm Warning | LMK | 49 min |
| Sep 28, 12:18 AM CDT | Severe Thunderstorm Warning | LMK | 42 min |
| Sep 28, 8:15 PM CDT | Dense Fog Advisory | LMK | 14 hr |
| Oct 29, 2:46 AM CDT | Freeze Watch | LMK | 24 hr |
| Oct 30, 2:32 AM CDT | Freeze Warning | LMK | 30 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 33 |
| Tornado Warning | 2 |
| Severe Thunderstorm Watch | 6 |
| Tornado Watch | 5 |
| Mesoscale Discussion | 30 |
| Special Weather Statement | 20 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 2 |
| Flood Watch | 3 |
| Areal Flood Advisory | 10 |
| Winter | |
| Winter Weather Advisory | 3 |
| Heat | |
| Excessive Heat Warning | 1 |
| Excessive Heat Watch | 1 |
| Heat Advisory | 3 |
| Cold | |
| Freeze Warning | 2 |
| Freeze Watch | 1 |
| Frost Advisory | 2 |
| Wind and dust | |
| High Wind Warning | 3 |
| Wind Advisory | 12 |
| Fire | |
| Red Flag Warning | 1 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20222024
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.