Alert archive / Indiana / Elkhart County
Weather alerts in Elkhart County, Indiana, 2012
106 weather alerts in 2012, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Elkhart County and its neighbors
Each county as a circle sized by its count in 2012. Tap one for its archive.
- Alerts
- 106
- Warnings
- 21
- Watches
- 18
- Advisories
- 34
- Busiest month
- July26 alerts
- Busiest day
- July 24, 20126 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Elkhart County, 2012
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 6 | 5 | 17% | 6 | 50% | 19 min |
| Flash flood warnings | 2 | 0 | 100% | 0 |
Each office's whole area, 2012
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Northern Indiana: tornado warnings | 5 | 1 | 80% | 1 | 100% | 2 min |
| NWS Northern Indiana: severe thunderstorm warnings | 126 | 87 | 31% | 272 | 82% | 22 min |
| NWS Northern Indiana: flash flood warnings | 8 | 2 | 75% | 2 | 100% | 87 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 1, 4:46 AM EST | Winter Storm Warning | IWX | 47 hr |
| Jan 1, 4:58 AM EST | Wind Advisory | IWX | 17 hr |
| Jan 2, 6:24 PM EST | Mesoscale Discussion | SPC | 3 hr |
| Jan 10, 4:17 PM EST | Winter Storm Watch | IWX | 40 hr |
| Jan 12, 4:21 AM EST | Winter Storm Warning | IWX | 43 hr |
| Jan 17, 2:35 PM EST | Winter Weather Advisory | IWX | 13 hr |
| Jan 19, 4:18 PM EST | Winter Weather Advisory | IWX | 35 hr |
| Jan 22, 4:30 PM EST | Wind Advisory | IWX | 27 hr |
| Jan 23, 1:59 AM EST | Special Weather Statement | IWX | 31 min |
| Feb 5, 5:07 AM EST | Freezing Fog Advisory | IWX | 5 hr |
| Feb 6, 7:12 AM EST | Freezing Fog Advisory | IWX | 6 hr |
| Feb 10, 4:07 PM EST | Winter Weather Advisory | IWX | 9 hr |
| Feb 22, 10:00 PM EST | Winter Storm Watch | IWX | 18 hr |
| Feb 23, 2:46 AM EST | Dense Fog Advisory | IWX | 8 hr |
| Feb 23, 4:10 PM EST | Winter Weather Advisory | IWX | 35 hr |
| Feb 29, 4:12 AM EST | Wind Advisory | IWX | 17 hr |
| Mar 2, 4:34 AM EST | Wind Advisory | IWX | 23 hr |
| Mar 7, 4:22 AM EST | Wind Advisory | IWX | 16 hr |
| Mar 12, 4:22 PM EDT | Tornado Watch | SPC | 7 hr |
| Mar 15, 6:02 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 25, 4:00 AM EDT | Freeze Watch | IWX | 40 hr |
| Mar 26, 10:41 AM EDT | Freeze Warning | IWX | 22 hr |
| Apr 4, 2:48 PM EDT | Freeze Warning | IWX | 42 hr |
| Apr 5, 2:42 PM EDT | Freeze Watch | IWX | 24 hr |
| Apr 6, 2:49 PM EDT | Frost Advisory | IWX | 18 hr |
| Apr 9, 3:41 PM EDT | Hard Freeze Watch | IWX | 24 hr |
| Apr 10, 3:25 PM EDT | Freeze Watch | IWX | 13 hr |
| Apr 10, 3:25 PM EDT | Freeze Warning | IWX | 18 hr |
| Apr 11, 3:58 AM EDT | Freeze Warning | IWX | 29 hr |
| Apr 15, 8:54 AM EDT | Special Weather Statement | IWX | 21 min |
| Apr 15, 12:30 PM EDT | Wind Advisory | IWX | 7 hr |
| Apr 16, 3:00 AM EDT | Special Weather Statement | IWX | 60 min |
| Apr 16, 3:47 AM EDT | Wind Advisory | IWX | 15 hr |
| Apr 16, 3:55 AM EDT | Special Weather Statement | IWX | 65 min |
| Apr 16, 3:58 AM EDT | Special Weather Statement | IWX | 62 min |
| Apr 16, 3:49 PM EDT | Frost Advisory | IWX | 16 hr |
| Apr 17, 12:24 PM EDT | Frost Advisory | IWX | 20 hr |
| Apr 22, 3:52 AM EDT | Freeze Watch | IWX | 11 hr |
| Apr 22, 3:14 PM EDT | Freeze Warning | IWX | 17 hr |
| Apr 25, 3:07 PM EDT | Hard Freeze Watch | IWX | 24 hr |
| Apr 26, 2:59 PM EDT | Hard Freeze Warning | IWX | 18 hr |
| Apr 28, 4:06 AM EDT | Freeze Watch | IWX | 13 hr |
| Apr 28, 4:49 PM EDT | Freeze Warning | IWX | 15 hr |
| May 7, 5:34 AM EDT | Flash Flood Warning | IWX | 4 hr |
| May 27, 4:02 AM EDT | Heat Advisory | IWX | 15 hr |
| Jun 16, 11:30 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Jun 26, 6:43 PM EDT | Fire Weather Watch | IWX | 20 hr |
| Jun 27, 4:35 AM EDT | Heat Advisory | IWX | 39 hr |
| Jun 27, 2:16 PM EDT | Red Flag Warning | IWX | 30 hr |
| Jun 28, 6:30 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Jun 29, 11:49 AM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 29, 1:55 PM EDT | Special Weather Statement | IWX | 35 min |
| Jun 29, 2:01 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Jun 29, 2:18 PM EDT | Severe Thunderstorm Warning | IWX | 42 min |
| Jul 1, 1:16 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 1, 3:56 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Jul 2, 4:01 PM EDT | Excessive Heat Warning | IWX | 5 days |
| Jul 5, 5:58 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Jul 14, 5:14 PM EDT | Severe Thunderstorm Warning | IWX | 31 min |
| Jul 14, 6:01 PM EDT | Areal Flood Advisory | IWX | 3 hr |
| Jul 16, 3:41 PM EDT | Heat Advisory | IWX | 28 hr |
| Jul 17, 8:14 PM EDT | Special Weather Statement | IWX | 61 min |
| Jul 18, 11:30 PM EDT | Mesoscale Discussion | SPC | 60 min |
| Jul 19, 1:03 AM EDT | Severe Thunderstorm Warning | IWX | 57 min |
| Jul 19, 4:04 AM EDT | Special Weather Statement | IWX | 41 min |
| Jul 19, 5:19 AM EDT | Areal Flood Advisory | IWX | 3 hr |
| Jul 19, 6:22 AM EDT | Flash Flood Warning | IWX | 3 hr |
| Jul 24, 6:50 AM EDT | Special Weather Statement | IWX | 25 min |
| Jul 24, 7:25 AM EDT | Special Weather Statement | IWX | 35 min |
| Jul 24, 7:35 AM EDT | Mesoscale Discussion | SPC | 55 min |
| Jul 24, 8:00 AM EDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Jul 24, 8:10 AM EDT | Severe Thunderstorm Warning | IWX | 50 min |
| Jul 24, 3:58 PM EDT | Heat Advisory | IWX | 28 hr |
| Jul 26, 2:40 AM EDT | Mesoscale Discussion | SPC | 65 min |
| Jul 26, 5:05 AM EDT | Special Weather Statement | IWX | 55 min |
| Jul 26, 9:38 PM EDT | Special Weather Statement | IWX | 37 min |
| Jul 27, 2:43 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 27, 2:53 PM EDT | Special Weather Statement | IWX | 37 min |
| Jul 27, 3:12 PM EDT | Severe Thunderstorm Warning | IWX | 48 min |
| Jul 31, 5:13 AM EDT | Special Weather Statement | IWX | 32 min |
| Aug 4, 4:57 PM EDT | Mesoscale Discussion | SPC | 63 min |
| Aug 4, 5:35 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 4, 6:39 PM EDT | Severe Thunderstorm Warning | IWX | 51 min |
| Aug 4, 7:23 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 16, 9:45 AM EDT | Special Weather Statement | IWX | 60 min |
| Aug 16, 11:01 AM EDT | Mesoscale Discussion | SPC | 89 min |
| Aug 26, 4:49 PM EDT | Special Weather Statement | IWX | 56 min |
| Sep 22, 11:53 AM EDT | Special Weather Statement | IWX | 22 min |
| Sep 23, 3:17 PM EDT | Frost Advisory | IWX | 17 hr |
| Oct 6, 4:11 AM EDT | Freeze Watch | IWX | 23 hr |
| Oct 7, 3:32 AM EDT | Freeze Warning | IWX | 29 hr |
| Oct 13, 4:22 PM EDT | Wind Advisory | IWX | 31 hr |
| Oct 14, 3:11 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 28, 3:45 PM EDT | Wind Advisory | IWX | 48 hr |
| Nov 11, 3:58 AM EST | Wind Advisory | IWX | 16 hr |
| Nov 20, 7:53 PM EST | Dense Fog Advisory | IWX | 17 hr |
| Nov 21, 10:29 PM EST | Dense Fog Advisory | IWX | 11 hr |
| Dec 1, 7:24 AM EST | Dense Fog Advisory | IWX | 3 hr |
| Dec 2, 8:13 PM EST | Dense Fog Advisory | IWX | 15 hr |
| Dec 19, 4:42 AM EST | Winter Storm Watch | IWX | 11 hr |
| Dec 19, 3:30 PM EST | Winter Storm Warning | IWX | 41 hr |
| Dec 19, 3:30 PM EST | Winter Weather Advisory | IWX | 47 hr |
| Dec 20, 3:05 PM EST | Special Weather Statement | IWX | 55 min |
| Dec 25, 12:08 PM EST | Winter Weather Advisory | IWX | 33 hr |
| Dec 26, 3:29 PM EST | Mesoscale Discussion | SPC | 3 hr |
| Dec 29, 3:26 PM EST | Lake Effect Snow Advisory | IWX | 8 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.