Alert archive / Illinois / Woodford County
Weather alerts in Woodford County, Illinois, 2012
99 weather alerts in 2012, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Woodford County and its neighbors
Each county as a circle sized by its count in 2012. Tap one for its archive.
- Alerts
- 99
- Warnings
- 26
- Watches
- 13
- Advisories
- 24
- Busiest month
- April18 alerts
- Busiest day
- April 1, 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.
2 of 2 tornado warnings covering Woodford County in 2012 had a tornado report inside them; 3 of 3 tornado reports fell inside a warning, on average 11 minutes after it went out.
Woodford County, 2012
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 2 | 2 | 0% | 3 | 100% | 11 min |
| Severe thunderstorm warnings | 13 | 2 | 85% | 1 | 100% | 38 min |
| 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 Lincoln, IL: tornado warnings | 24 | 6 | 75% | 15 | 80% | 23 min |
| NWS Lincoln, IL: severe thunderstorm warnings | 132 | 58 | 56% | 177 | 66% | 19 min |
| NWS Lincoln, IL: flash flood warnings | 7 | 1 | 86% | 2 | 100% | 36 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 |
|---|---|---|---|
| Jan 11, 10:59 AM CST | Winter Weather Advisory | ILX | 40 hr |
| Jan 20, 3:50 AM CST | Winter Weather Advisory | ILX | 24 hr |
| Feb 2, 12:07 AM CST | Dense Fog Advisory | ILX | 12 hr |
| Feb 3, 3:07 AM CST | Dense Fog Advisory | ILX | 8 hr |
| Feb 6, 2:45 AM CST | Dense Fog Advisory | ILX | 9 hr |
| Feb 28, 3:16 PM CST | Wind Advisory | ILX | 27 hr |
| Mar 6, 3:55 AM CST | Wind Advisory | ILX | 14 hr |
| Mar 7, 3:45 AM CST | Wind Advisory | ILX | 14 hr |
| Mar 15, 5:02 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 18, 1:41 AM CDT | Mesoscale Discussion | SPC | 94 min |
| Mar 23, 4:29 PM CDT | Severe Thunderstorm Warning | ILX | 34 min |
| Mar 27, 8:43 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 31, 9:24 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Apr 1, 1:33 AM CDT | Mesoscale Discussion | SPC | 117 min |
| Apr 1, 3:15 AM CDT | Severe Thunderstorm Warning | ILX | 30 min |
| Apr 1, 3:40 AM CDT | Severe Thunderstorm Warning | ILX | 39 min |
| Apr 1, 4:22 AM CDT | Severe Thunderstorm Warning | ILX | 38 min |
| Apr 1, 7:56 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 3, 2:17 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Apr 4, 3:00 PM CDT | Freeze Watch | ILX | 25 hr |
| Apr 5, 3:36 PM CDT | Freeze Warning | ILX | 16 hr |
| Apr 8, 2:55 PM CDT | Fire Weather Watch | ILX | 13 hr |
| Apr 9, 3:54 AM CDT | Red Flag Warning | ILX | 15 hr |
| Apr 9, 3:10 PM CDT | Freeze Watch | ILX | 13 hr |
| Apr 10, 3:44 AM CDT | Freeze Warning | ILX | 28 hr |
| Apr 11, 3:46 AM CDT | Freeze Warning | ILX | 28 hr |
| Apr 15, 3:10 AM CDT | Wind Advisory | ILX | 18 hr |
| Apr 15, 4:22 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Apr 15, 6:12 PM CDT | Mesoscale Discussion | SPC | 63 min |
| Apr 22, 2:37 PM CDT | Freeze Warning | ILX | 16 hr |
| May 3, 3:53 PM CDT | Mesoscale Discussion | SPC | 37 min |
| May 3, 4:20 PM CDT | Tornado Watch | SPC | 8 hr |
| May 3, 6:42 PM CDT | Mesoscale Discussion | SPC | 63 min |
| May 3, 11:18 PM CDT | Mesoscale Discussion | SPC | 27 min |
| May 3, 11:34 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 4, 12:07 AM CDT | Severe Thunderstorm Warning | ILX | 53 min |
| May 4, 12:52 AM CDT | Severe Thunderstorm Warning | ILX | 35 min |
| May 4, 2:16 AM CDT | Mesoscale Discussion | SPC | 119 min |
| May 6, 8:40 AM CDT | Mesoscale Discussion | SPC | 65 min |
| May 6, 1:22 PM CDT | Mesoscale Discussion | SPC | 53 min |
| May 6, 1:42 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 6, 3:56 PM CDT | Mesoscale Discussion | SPC | 64 min |
| May 6, 11:37 PM CDT | Special Weather Statement | ILX | 23 min |
| May 20, 1:17 PM CDT | Mesoscale Discussion | SPC | 118 min |
| May 24, 3:05 AM CDT | Wind Advisory | ILX | 17 hr |
| Jun 2, 1:05 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Jun 16, 2:45 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 16, 7:43 PM CDT | Severe Thunderstorm Warning | ILX | 47 min |
| Jun 16, 7:58 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jun 16, 8:23 PM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Jun 16, 8:29 PM CDT | Severe Thunderstorm Warning | ILX | 40 min |
| Jun 18, 10:54 AM CDT | Wind Advisory | ILX | 8 hr |
| Jun 27, 3:04 AM CDT | Heat Advisory | ILX | 60 hr |
| Jun 29, 9:22 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 29, 2:45 PM CDT | Excessive Heat Warning | ILX | 8 days |
| Jun 29, 7:33 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jun 29, 11:46 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Jun 30, 3:19 AM CDT | Heat Advisory | ILX | 40 hr |
| Jul 16, 3:24 PM CDT | Heat Advisory | ILX | 3 days |
| Jul 18, 3:07 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Jul 22, 2:55 PM CDT | Heat Advisory | ILX | 3 days |
| Jul 31, 1:13 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 4, 10:26 AM CDT | Mesoscale Discussion | SPC | 49 min |
| Aug 4, 10:50 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 4, 1:09 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Aug 4, 2:28 PM CDT | Special Weather Statement | ILX | 62 min |
| Aug 9, 3:40 PM CDT | Severe Thunderstorm Warning | ILX | 65 min |
| Aug 14, 3:35 AM CDT | Dense Fog Advisory | ILX | 5 hr |
| Aug 16, 8:26 AM CDT | Special Weather Statement | ILX | 64 min |
| Aug 16, 11:38 AM CDT | Severe Thunderstorm Warning | ILX | 67 min |
| Aug 16, 11:49 AM CDT | Severe Thunderstorm Warning | ILX | 56 min |
| Aug 26, 4:40 PM CDT | Severe Thunderstorm Warning | ILX | 65 min |
| Sep 1, 11:48 AM CDT | Tornado Warning | ILX | 42 min |
| Sep 1, 12:01 PM CDT | Tornado Warning | ILX | 44 min |
| Sep 1, 12:41 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Sep 1, 12:46 PM CDT | Tornado Watch | SPC | 7 hr |
| Sep 1, 3:30 PM CDT | Mesoscale Discussion | SPC | 60 min |
| Sep 5, 3:43 AM CDT | Mesoscale Discussion | SPC | 92 min |
| Sep 5, 5:54 AM CDT | Special Weather Statement | ILX | 66 min |
| Sep 7, 3:00 PM CDT | Severe Thunderstorm Warning | ILX | 41 min |
| Sep 7, 3:22 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Sep 17, 4:24 AM CDT | Dense Fog Advisory | ILX | 8 hr |
| Sep 21, 1:36 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Sep 22, 3:22 PM CDT | Frost Advisory | ILX | 17 hr |
| Sep 23, 3:41 PM CDT | Frost Advisory | ILX | 16 hr |
| Oct 5, 3:10 PM CDT | Freeze Warning | ILX | 18 hr |
| Oct 17, 11:45 AM CDT | Mesoscale Discussion | SPC | 90 min |
| Oct 25, 3:11 PM CDT | Freeze Watch | ILX | 24 hr |
| Oct 26, 3:00 PM CDT | Freeze Warning | ILX | 17 hr |
| Oct 28, 3:00 PM CDT | Freeze Warning | ILX | 17 hr |
| Nov 11, 3:25 AM CST | Wind Advisory | ILX | 15 hr |
| Nov 20, 5:52 PM CST | Dense Fog Advisory | ILX | 20 hr |
| Dec 2, 8:17 PM CST | Dense Fog Advisory | ILX | 10 hr |
| Dec 3, 3:29 PM CST | Mesoscale Discussion | SPC | 91 min |
| Dec 19, 3:57 PM CST | High Wind Warning | ILX | 32 hr |
| Dec 20, 2:50 AM CST | Winter Weather Advisory | ILX | 9 hr |
| Dec 20, 10:52 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Dec 20, 12:15 PM CST | Blizzard Warning | ILX | 12 hr |
| Dec 21, 12:04 AM CST | Winter Weather Advisory | ILX | 6 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 | 13 |
| Tornado Warning | 2 |
| Severe Thunderstorm Watch | 7 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 32 |
| Special Weather Statement | 4 |
| Winter | |
| Blizzard Warning | 1 |
| Winter Weather Advisory | 4 |
| Heat | |
| Excessive Heat Warning | 1 |
| Heat Advisory | 4 |
| Cold | |
| Freeze Warning | 7 |
| Freeze Watch | 3 |
| Frost Advisory | 2 |
| Wind and dust | |
| High Wind Warning | 1 |
| Wind Advisory | 7 |
| Fire | |
| Red Flag Warning | 1 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 7 |
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.