Alert archive / Indiana / Warren County
Weather alerts in Warren County, Indiana, 2019
104 weather alerts in 2019, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Warren County and its neighbors
Each county as a circle sized by its count in 2019. Tap one for its archive.
- Alerts
- 104
- Warnings
- 44
- Watches
- 17
- Advisories
- 21
- Busiest month
- May28 alerts
- Busiest day
- May 16, 20195 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Warren County, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 13 | 10 | 23% | 8 | 75% | 20 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Indianapolis, IN: tornado warnings | 44 | 11 | 75% | 29 | 79% | 12 min |
| NWS Indianapolis, IN: severe thunderstorm warnings | 172 | 113 | 34% | 340 | 74% | 21 min |
| NWS Indianapolis, IN: flash flood warnings | 48 | 28 | 42% | 50 | 92% | 72 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, 3:34 AM EST | Wind Advisory | IND | 15 hr |
| Jan 11, 3:12 AM EST | Winter Storm Warning | IND | 52 hr |
| Jan 16, 3:35 PM EST | Winter Weather Advisory | IND | 18 hr |
| Jan 17, 3:11 PM EST | Winter Storm Watch | IND | 24 hr |
| Jan 18, 2:57 PM EST | Winter Storm Warning | IND | 36 hr |
| Jan 20, 2:45 PM EST | Wind Chill Advisory | IND | 21 hr |
| Jan 21, 11:10 AM EST | River Flood Warning | IND | 7 days |
| Jan 21, 11:10 AM EST | River Flood Warning | IND | 7 days |
| Jan 24, 11:11 AM EST | Wind Chill Advisory | IND | 24 hr |
| Jan 28, 3:51 AM EST | Wind Chill Watch | IND | 12 hr |
| Jan 28, 3:32 PM EST | Wind Chill Warning | IND | 69 hr |
| Jan 31, 3:54 AM EST | Winter Weather Advisory | IND | 30 hr |
| Feb 2, 8:43 PM EST | Dense Fog Advisory | IND | 5 hr |
| Feb 4, 10:01 AM EST | River Flood Warning | IND | 14 days |
| Feb 4, 10:01 AM EST | River Flood Warning | IND | 14 days |
| Feb 7, 2:10 AM EST | Dense Fog Advisory | IND | 6 hr |
| Feb 7, 2:53 PM EST | Wind Advisory | IND | 13 hr |
| Feb 12, 3:46 AM EST | Wind Advisory | IND | 24 hr |
| Feb 17, 9:07 PM EST | Winter Weather Advisory | IND | 4 hr |
| Feb 19, 3:25 AM EST | Winter Weather Advisory | IND | 31 hr |
| Feb 22, 3:33 PM EST | High Wind Watch | IND | 23 hr |
| Feb 23, 2:24 PM EST | High Wind Warning | IND | 32 hr |
| Feb 24, 8:12 AM EST | River Flood Warning | IND | 60 hr |
| Feb 24, 8:26 PM EST | River Flood Warning | IND | 66 hr |
| Mar 7, 3:30 AM EST | Winter Weather Advisory | IND | 31 hr |
| Mar 9, 3:46 PM EST | Wind Advisory | IND | 15 hr |
| Mar 9, 10:57 PM EST | River Flood Warning | IND | 9 days |
| Mar 10, 12:30 PM EDT | River Flood Warning | IND | 9 days |
| Mar 13, 3:48 PM EDT | Wind Advisory | IND | 31 hr |
| Mar 30, 2:29 PM EDT | River Flood Warning | IND | 21 days |
| Mar 30, 2:29 PM EDT | River Flood Warning | IND | 7 days |
| Apr 10, 3:46 PM EDT | Wind Advisory | IND | 28 hr |
| Apr 11, 11:05 AM EDT | River Flood Warning | IND | 14 days |
| Apr 11, 11:05 AM EDT | River Flood Warning | IND | 14 days |
| Apr 25, 8:40 PM EDT | River Flood Warning | IND | 17 days |
| Apr 25, 9:54 PM EDT | River Flood Warning | IND | 17 days |
| May 2, 3:20 AM EDT | Dense Fog Advisory | IND | 7 hr |
| May 13, 7:59 PM EDT | River Flood Warning | IND | 36 hr |
| May 16, 1:09 PM EDT | Mesoscale Discussion | SPC | 66 min |
| May 16, 1:51 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 16, 2:37 PM EDT | River Flood Warning | IND | 45 hr |
| May 16, 3:27 PM EDT | Severe Thunderstorm Warning | IND | 48 min |
| May 16, 4:03 PM EDT | Severe Thunderstorm Warning | IND | 42 min |
| May 19, 3:06 PM EDT | Mesoscale Discussion | SPC | 114 min |
| May 19, 3:36 PM EDT | Special Weather Statement | IND | 39 min |
| May 19, 3:55 PM EDT | Severe Thunderstorm Warning | IND | 50 min |
| May 19, 4:26 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 22, 10:27 AM EDT | River Flood Warning | IND | 12 days |
| May 22, 10:27 AM EDT | River Flood Warning | IND | 13 days |
| May 23, 2:23 AM EDT | Mesoscale Discussion | SPC | 97 min |
| May 23, 3:01 AM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| May 23, 3:03 AM EDT | Severe Thunderstorm Warning | IND | 57 min |
| May 26, 1:24 AM EDT | Mesoscale Discussion | SPC | 66 min |
| May 26, 1:39 AM EDT | Severe Thunderstorm Watch | SPC | 3 hr |
| May 26, 2:51 AM EDT | Severe Thunderstorm Warning | IND | 54 min |
| May 27, 1:50 PM EDT | Mesoscale Discussion | SPC | 85 min |
| May 27, 2:22 PM EDT | Tornado Watch | SPC | 9 hr |
| May 27, 4:57 PM EDT | Mesoscale Discussion | SPC | 93 min |
| May 27, 6:30 PM EDT | Mesoscale Discussion | SPC | 90 min |
| May 28, 12:16 PM EDT | Mesoscale Discussion | SPC | 119 min |
| May 28, 1:22 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 28, 3:24 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 28, 5:17 PM EDT | Severe Thunderstorm Warning | IND | 43 min |
| May 30, 4:28 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 5, 1:44 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 5, 2:06 PM EDT | Severe Thunderstorm Warning | IND | 24 min |
| Jun 5, 2:28 PM EDT | Severe Thunderstorm Warning | IND | 47 min |
| Jun 5, 10:27 PM EDT | River Flood Warning | IND | 24 hr |
| Jun 6, 10:27 AM EDT | River Flood Warning | IND | 34 hr |
| Jun 15, 4:01 AM EDT | Flash Flood Watch | IND | 34 hr |
| Jun 15, 11:23 AM EDT | River Flood Warning | IND | 4 days |
| Jun 15, 11:23 AM EDT | River Flood Warning | IND | 5 days |
| Jun 16, 1:18 AM EDT | Severe Thunderstorm Warning | IND | 42 min |
| Jun 17, 3:14 AM EDT | Flash Flood Watch | IND | 4 days |
| Jun 19, 12:34 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Jun 19, 10:35 PM EDT | River Flood Warning | IND | 67 hr |
| Jun 21, 7:33 AM EDT | River Flood Warning | IND | 39 hr |
| Jun 23, 2:06 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 29, 8:33 PM EDT | Severe Thunderstorm Warning | IND | 42 min |
| Jun 30, 3:52 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Jun 30, 4:35 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 30, 4:54 PM EDT | Severe Thunderstorm Warning | IND | 51 min |
| Jul 17, 3:53 AM EDT | Excessive Heat Watch | IND | 12 hr |
| Jul 17, 3:50 PM EDT | Excessive Heat Warning | IND | 4 days |
| Jul 21, 1:56 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 21, 2:00 PM EDT | Special Weather Statement | ILX | 30 min |
| Aug 12, 9:23 PM EDT | Tornado Watch | SPC | 5 hr |
| Aug 17, 9:00 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 18, 5:16 PM EDT | Severe Thunderstorm Warning | IND | 44 min |
| Aug 20, 10:04 AM EDT | Mesoscale Discussion | SPC | 86 min |
| Aug 20, 1:12 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 20, 1:22 PM EDT | Severe Thunderstorm Warning | IND | 38 min |
| Aug 26, 5:29 PM EDT | Mesoscale Discussion | SPC | 61 min |
| Sep 3, 4:54 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 29, 6:51 PM EDT | Mesoscale Discussion | SPC | 54 min |
| Oct 13, 3:27 PM EDT | Frost Advisory | IND | 18 hr |
| Oct 17, 3:30 PM EDT | Frost Advisory | IND | 17 hr |
| Oct 26, 5:48 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Nov 10, 3:23 PM EST | Winter Weather Advisory | IND | 41 hr |
| Nov 25, 2:59 PM EST | High Wind Watch | IND | 23 hr |
| Nov 26, 1:32 PM EST | High Wind Warning | IND | 31 hr |
| Dec 15, 3:34 AM EST | Winter Weather Advisory | IND | 53 hr |
| Dec 24, 3:09 AM EST | Dense Fog Advisory | IND | 7 hr |
| Dec 30, 10:38 AM EST | River Flood Warning | IND | 3 days |
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 | 13 |
| Severe Thunderstorm Watch | 8 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 20 |
| Special Weather Statement | 2 |
| Flooding | |
| River Flood Warning | 25 |
| Flash Flood Watch | 2 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 7 |
| Heat | |
| Excessive Heat Warning | 1 |
| Excessive Heat Watch | 1 |
| Cold | |
| Wind Chill Warning | 1 |
| Wind Chill Watch | 1 |
| Frost Advisory | 2 |
| Wind Chill Advisory | 2 |
| Wind and dust | |
| High Wind Warning | 2 |
| High Wind Watch | 2 |
| Wind Advisory | 6 |
| Fog and smoke | |
| Dense Fog Advisory | 4 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20182020
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.