Alert archive / Indiana / Vermillion County
Weather alerts in Vermillion County, Indiana, 2012
120 weather alerts in 2012, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Vermillion County and its neighbors
Each county as a circle sized by its count in 2012. Tap one for its archive.
- Alerts
- 120
- Warnings
- 27
- Watches
- 22
- Advisories
- 33
- Busiest month
- August17 alerts
- Busiest day
- August 16, 20128 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 1 tornado warnings covering Vermillion County in 2012 had a tornado report inside them.
Vermillion County, 2012
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 1 | 0% | 0 | ||
| Severe thunderstorm warnings | 8 | 3 | 63% | 2 | 0% | |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2012
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Indianapolis, IN: tornado warnings | 24 | 3 | 88% | 5 | 60% | 19 min |
| NWS Indianapolis, IN: severe thunderstorm warnings | 247 | 137 | 45% | 391 | 71% | 20 min |
| NWS Indianapolis, IN: flash flood warnings | 2 | 0 | 100% | 4 | 0% |
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 11, 3:39 PM EST | Winter Weather Advisory | IND | 45 hr |
| Jan 17, 2:50 AM EST | Mesoscale Discussion | SPC | 85 min |
| Jan 17, 7:25 AM EST | Mesoscale Discussion | SPC | 65 min |
| Jan 17, 10:05 AM EST | River Flood Warning | IND | 51 hr |
| Jan 17, 10:05 AM EST | River Flood Warning | IND | 16 days |
| Jan 17, 10:05 AM EST | River Flood Warning | IND | 16 days |
| Jan 17, 10:05 AM EST | River Flood Warning | IND | 18 days |
| Jan 20, 3:53 AM EST | Winter Weather Advisory | IND | 24 hr |
| Jan 22, 3:01 PM EST | Wind Advisory | IND | 26 hr |
| Jan 22, 9:25 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Jan 23, 10:46 AM EST | River Flood Warning | IND | 11 days |
| Jan 25, 2:31 PM EST | Winter Weather Advisory | IND | 13 hr |
| Feb 2, 5:22 AM EST | Dense Fog Advisory | IND | 6 hr |
| Feb 6, 6:07 AM EST | Freezing Fog Advisory | IND | 7 hr |
| Feb 29, 3:40 AM EST | Wind Advisory | IND | 15 hr |
| Mar 2, 3:30 AM EST | Wind Advisory | IND | 22 hr |
| Mar 2, 6:52 AM EST | Severe Thunderstorm Watch | SPC | 6 hr |
| Mar 2, 8:50 AM EST | Mesoscale Discussion | SPC | 85 min |
| Mar 2, 9:31 AM EST | Severe Thunderstorm Warning | IND | 44 min |
| Mar 2, 10:54 AM EST | Tornado Watch | SPC | 6 hr |
| Mar 2, 11:02 AM EST | Mesoscale Discussion | SPC | 88 min |
| Mar 7, 3:42 AM EST | Wind Advisory | IND | 15 hr |
| Mar 23, 4:17 PM EDT | Mesoscale Discussion | SPC | 58 min |
| Mar 23, 4:39 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Mar 23, 4:43 PM EDT | Severe Thunderstorm Warning | IND | 47 min |
| Mar 26, 3:48 AM EDT | Frost Advisory | IND | 28 hr |
| Mar 30, 2:12 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Mar 30, 3:24 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 1, 4:42 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Apr 3, 3:17 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Apr 4, 3:48 PM EDT | Freeze Watch | IND | 12 hr |
| Apr 5, 3:16 AM EDT | Frost Advisory | IND | 12 hr |
| Apr 5, 2:46 PM EDT | Freeze Warning | IND | 18 hr |
| Apr 6, 3:41 PM EDT | Frost Advisory | IND | 17 hr |
| Apr 9, 3:07 AM EDT | Freeze Watch | IND | 36 hr |
| Apr 10, 2:46 PM EDT | Freeze Watch | IND | 13 hr |
| Apr 10, 2:46 PM EDT | Freeze Warning | IND | 18 hr |
| Apr 11, 4:04 AM EDT | Freeze Warning | IND | 29 hr |
| Apr 15, 12:50 PM EDT | Wind Advisory | IND | 29 hr |
| Apr 22, 4:05 AM EDT | Freeze Watch | IND | 11 hr |
| Apr 22, 3:31 PM EDT | Freeze Warning | IND | 16 hr |
| Apr 25, 5:36 PM EDT | Mesoscale Discussion | SPC | 84 min |
| May 1, 6:02 AM EDT | Dense Fog Advisory | IND | 4 hr |
| May 1, 3:01 PM EDT | Tornado Watch | SPC | 7 hr |
| May 1, 4:39 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 1, 6:16 PM EDT | Tornado Warning | IND | 44 min |
| May 1, 6:55 PM EDT | Mesoscale Discussion | SPC | 65 min |
| May 2, 3:46 PM EDT | Mesoscale Discussion | SPC | 119 min |
| May 6, 6:07 PM EDT | Mesoscale Discussion | SPC | 53 min |
| May 6, 6:29 PM EDT | Severe Thunderstorm Watch | SPC | 3 hr |
| May 6, 8:08 PM EDT | Severe Thunderstorm Warning | IND | 52 min |
| May 7, 7:19 AM EDT | Special Weather Statement | IND | 41 min |
| May 25, 2:49 PM EDT | Heat Advisory | IND | 53 hr |
| May 29, 3:28 AM EDT | Special Weather Statement | IND | 47 min |
| Jun 2, 2:05 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Jun 16, 11:30 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Jun 25, 4:32 PM EDT | Red Flag Warning | IND | 5 hr |
| Jun 26, 3:10 PM EDT | Fire Weather Watch | IND | 20 hr |
| Jun 27, 3:26 AM EDT | Heat Advisory | IND | 12 hr |
| Jun 27, 11:17 AM EDT | Red Flag Warning | IND | 34 hr |
| Jun 27, 3:01 PM EDT | Excessive Heat Warning | IND | 4 days |
| Jun 29, 10:22 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 29, 11:49 AM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 29, 3:32 PM EDT | Severe Thunderstorm Warning | IND | 43 min |
| Jun 30, 4:16 AM EDT | Heat Advisory | IND | 40 hr |
| Jun 30, 5:27 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Jun 30, 6:55 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 3, 1:07 PM EDT | Excessive Heat Warning | IND | 4 days |
| Jul 16, 3:33 PM EDT | Heat Advisory | IND | 52 hr |
| Jul 17, 5:10 PM EDT | Special Weather Statement | IND | 35 min |
| Jul 19, 3:27 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Jul 19, 4:11 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 24, 3:18 AM EDT | Heat Advisory | IND | 41 hr |
| Jul 27, 1:52 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 31, 2:13 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 31, 4:35 PM EDT | Mesoscale Discussion | SPC | 55 min |
| Aug 9, 2:14 AM EDT | Special Weather Statement | IND | 31 min |
| Aug 9, 2:27 AM EDT | Areal Flood Advisory | IND | 3 hr |
| Aug 9, 2:46 AM EDT | Special Weather Statement | IND | 44 min |
| Aug 9, 2:59 AM EDT | Severe Thunderstorm Warning | IND | 46 min |
| Aug 9, 3:49 AM EDT | Areal Flood Warning | IND | 5 hr |
| Aug 9, 4:16 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Aug 9, 5:02 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Aug 9, 8:10 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 9, 8:40 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Aug 16, 11:01 AM EDT | Mesoscale Discussion | SPC | 89 min |
| Aug 16, 1:47 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Aug 16, 3:43 PM EDT | Special Weather Statement | IND | 62 min |
| Aug 16, 4:05 PM EDT | Severe Thunderstorm Warning | IND | 27 min |
| Aug 16, 4:27 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 16, 4:44 PM EDT | Severe Thunderstorm Warning | IND | 46 min |
| Aug 16, 4:47 PM EDT | Areal Flood Advisory | IND | 3 hr |
| Aug 16, 5:34 PM EDT | Areal Flood Warning | IND | 3 hr |
| Sep 5, 10:37 AM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Sep 7, 11:09 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 7, 11:36 AM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Sep 7, 3:49 PM EDT | Severe Thunderstorm Warning | IND | 41 min |
| Sep 7, 4:22 PM EDT | Mesoscale Discussion | SPC | 53 min |
| Sep 7, 4:41 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Sep 21, 2:36 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Sep 21, 7:30 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 22, 2:07 PM EDT | Frost Advisory | IND | 43 hr |
| Oct 6, 3:51 AM EDT | Freeze Watch | IND | 24 hr |
| Oct 7, 3:40 AM EDT | Freeze Warning | IND | 29 hr |
| Oct 13, 3:27 PM EDT | Wind Advisory | IND | 30 hr |
| Oct 14, 3:11 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 14, 5:37 PM EDT | Special Weather Statement | ILX | 23 min |
| Oct 28, 3:32 PM EDT | Wind Advisory | IND | 48 hr |
| Nov 8, 2:51 AM EST | Freezing Fog Advisory | IND | 6 hr |
| Nov 11, 3:46 AM EST | Wind Advisory | IND | 15 hr |
| Nov 21, 4:00 AM EST | Dense Fog Advisory | IND | 9 hr |
| Dec 2, 10:14 PM EST | Dense Fog Advisory | IND | 10 hr |
| Dec 19, 3:50 PM EST | Winter Weather Advisory | IND | 42 hr |
| Dec 20, 12:51 PM EST | High Wind Warning | IND | 15 hr |
| Dec 21, 4:01 AM EST | Wind Advisory | IND | 10 hr |
| Dec 23, 3:41 PM EST | Winter Storm Watch | IND | 37 hr |
| Dec 25, 4:43 AM EST | Winter Weather Advisory | IND | 8 hr |
| Dec 25, 12:45 PM EST | Winter Storm Warning | IND | 26 hr |
| Dec 26, 3:05 PM EST | Winter Weather Advisory | IND | 4 hr |
| Dec 31, 3:15 AM EST | Winter Weather Advisory | IND | 28 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 archive20112013
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.