Alert archive / Illinois / Jasper County
Weather alerts in Jasper County, Illinois, 2011
162 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Jasper County and its neighbors
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Alerts
- 162
- Warnings
- 44
- Watches
- 26
- Advisories
- 29
- Busiest month
- June43 alerts
- Busiest day
- May 23, 20117 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 5 tornado warnings covering Jasper County in 2011 had a tornado report inside them.
Jasper County, 2011
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 5 | 1 | 80% | 0 | ||
| Severe thunderstorm warnings | 23 | 13 | 43% | 9 | 78% | 24 min |
| Flash flood warnings | 9 | 4 | 56% | 2 | 100% | 58 min |
Each office's whole area, 2011
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Lincoln, IL: tornado warnings | 58 | 10 | 83% | 24 | 71% | 14 min |
| NWS Lincoln, IL: severe thunderstorm warnings | 241 | 107 | 56% | 394 | 64% | 20 min |
| NWS Lincoln, IL: flash flood warnings | 69 | 21 | 70% | 61 | 82% | 150 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 10, 3:30 AM CST | Winter Weather Advisory | ILX | 48 hr |
| Jan 18, 3:02 PM CST | Winter Weather Advisory | ILX | 48 hr |
| Jan 20, 4:30 AM CST | Winter Storm Warning | ILX | 12 hr |
| Jan 23, 10:47 PM CST | Freezing Rain Advisory | ILX | 10 hr |
| Jan 30, 4:12 AM CST | Winter Storm Watch | ILX | 33 hr |
| Jan 30, 9:08 PM CST | Winter Weather Advisory | ILX | 31 hr |
| Jan 31, 1:24 PM CST | Winter Storm Warning | ILX | 47 hr |
| Feb 1, 11:42 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Feb 5, 2:22 AM CST | Winter Weather Advisory | ILX | 12 hr |
| Feb 27, 10:25 AM CST | River Flood Warning | ILX | 35 hr |
| Feb 27, 8:25 PM CST | Mesoscale Discussion | SPC | 65 min |
| Feb 27, 11:46 PM CST | Tornado Watch | SPC | 5 hr |
| Feb 28, 12:25 AM CST | Severe Thunderstorm Warning | ILX | 44 min |
| Feb 28, 12:29 AM CST | Severe Thunderstorm Warning | ILX | 61 min |
| Mar 3, 3:09 PM CST | Flood Watch | ILX | 43 hr |
| Mar 5, 10:39 AM CST | River Flood Warning | ILX | 3 days |
| Apr 2, 3:30 PM CDT | Wind Advisory | ILX | 28 hr |
| Apr 4, 4:20 AM CDT | Mesoscale Discussion | SPC | 25 min |
| Apr 4, 5:11 AM CDT | Severe Thunderstorm Warning | ILX | 35 min |
| Apr 9, 4:12 AM CDT | Mesoscale Discussion | SPC | 93 min |
| Apr 11, 12:48 AM CDT | Mesoscale Discussion | SPC | 87 min |
| Apr 15, 12:47 PM CDT | Tornado Watch | SPC | 9 hr |
| Apr 15, 5:57 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 15, 7:02 PM CDT | Severe Thunderstorm Warning | ILX | 58 min |
| Apr 19, 3:11 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 19, 5:52 AM CDT | Mesoscale Discussion | SPC | 83 min |
| Apr 19, 8:29 AM CDT | Mesoscale Discussion | SPC | 61 min |
| Apr 19, 9:08 AM CDT | Special Weather Statement | ILX | 52 min |
| Apr 19, 1:00 PM CDT | Tornado Watch | SPC | 10 hr |
| Apr 19, 5:47 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Apr 19, 8:07 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Apr 19, 8:46 PM CDT | Severe Thunderstorm Warning | ILX | 59 min |
| Apr 19, 9:19 PM CDT | Severe Thunderstorm Warning | ILX | 41 min |
| Apr 19, 9:46 PM CDT | Tornado Warning | ILX | 44 min |
| Apr 19, 9:51 PM CDT | Severe Thunderstorm Warning | ILX | 39 min |
| Apr 21, 3:18 PM CDT | Flash Flood Watch | ILX | 6 days |
| Apr 22, 12:41 PM CDT | Severe Thunderstorm Warning | ILX | 49 min |
| Apr 22, 1:14 PM CDT | Mesoscale Discussion | SPC | 61 min |
| Apr 22, 1:23 PM CDT | Severe Thunderstorm Warning | ILX | 37 min |
| Apr 22, 2:35 PM CDT | River Flood Warning | ILX | 12 days |
| Apr 22, 5:49 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 22, 10:17 PM CDT | Flash Flood Warning | ILX | 5 hr |
| Apr 25, 9:19 PM CDT | Flash Flood Warning | ILX | 8 hr |
| Apr 26, 4:38 PM CDT | Mesoscale Discussion | SPC | 37 min |
| Apr 27, 5:35 PM CDT | Flash Flood Warning | ILX | 5 hr |
| Apr 27, 7:25 PM CDT | Flash Flood Warning | ILX | 3 hr |
| Apr 27, 10:40 PM CDT | Areal Flood Advisory | ILX | 6 hr |
| Apr 28, 4:32 AM CDT | Areal Flood Advisory | ILX | 6 hr |
| Apr 28, 12:38 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Apr 28, 3:14 PM CDT | Special Weather Statement | ILX | 61 min |
| May 1, 3:00 AM CDT | Flood Watch | ILX | 47 hr |
| May 7, 7:15 PM CDT | Mesoscale Discussion | SPC | 90 min |
| May 8, 6:20 AM CDT | Dense Fog Advisory | ILX | 4 hr |
| May 10, 11:20 AM CDT | Special Weather Statement | ILX | 55 min |
| May 10, 11:30 AM CDT | Severe Thunderstorm Warning | ILX | 18 min |
| May 22, 10:24 PM CDT | Mesoscale Discussion | SPC | 66 min |
| May 23, 12:37 PM CDT | Mesoscale Discussion | SPC | 83 min |
| May 23, 12:54 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 23, 1:49 PM CDT | Special Weather Statement | ILX | 41 min |
| May 23, 2:14 PM CDT | Severe Thunderstorm Warning | ILX | 61 min |
| May 23, 2:17 PM CDT | Severe Thunderstorm Warning | ILX | 58 min |
| May 23, 2:52 PM CDT | Mesoscale Discussion | SPC | 53 min |
| May 25, 4:58 AM CDT | Mesoscale Discussion | SPC | 92 min |
| May 25, 5:46 AM CDT | Tornado Watch | SPC | 7 hr |
| May 25, 7:48 AM CDT | Mesoscale Discussion | SPC | 87 min |
| May 25, 10:18 AM CDT | Mesoscale Discussion | SPC | 57 min |
| May 25, 11:09 AM CDT | Tornado Watch | SPC | 10 hr |
| May 25, 1:20 PM CDT | Flash Flood Watch | ILX | 10 hr |
| May 25, 6:11 PM CDT | Severe Thunderstorm Warning | ILX | 49 min |
| May 25, 7:01 PM CDT | Tornado Warning | ILX | 29 min |
| May 25, 7:11 PM CDT | Tornado Warning | ILX | 49 min |
| May 25, 7:24 PM CDT | Tornado Warning | ILX | 51 min |
| May 28, 12:15 PM CDT | Mesoscale Discussion | SPC | 90 min |
| May 28, 2:25 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 28, 3:42 PM CDT | Mesoscale Discussion | SPC | 93 min |
| May 28, 5:39 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Jun 5, 5:00 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 5, 7:27 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 5, 8:25 AM CDT | Areal Flood Advisory | ILX | 6 hr |
| Jun 5, 8:36 AM CDT | Severe Thunderstorm Warning | ILX | 39 min |
| Jun 9, 5:31 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Jun 10, 12:10 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jun 10, 1:02 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 10, 2:29 PM CDT | Special Weather Statement | ILX | 61 min |
| Jun 10, 3:48 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jun 10, 7:34 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Jun 10, 10:56 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Jun 10, 11:53 PM CDT | Severe Thunderstorm Warning | ILX | 52 min |
| Jun 11, 12:37 AM CDT | Severe Thunderstorm Warning | ILX | 68 min |
| Jun 11, 12:40 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 11, 1:18 AM CDT | Areal Flood Advisory | ILX | 6 hr |
| Jun 15, 4:24 AM CDT | Mesoscale Discussion | SPC | 96 min |
| Jun 15, 2:13 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 15, 4:20 PM CDT | Tornado Warning | ILX | 40 min |
| Jun 17, 1:34 PM CDT | Mesoscale Discussion | SPC | 26 min |
| Jun 18, 2:27 AM CDT | Severe Thunderstorm Warning | ILX | 37 min |
| Jun 18, 2:46 AM CDT | Flash Flood Warning | ILX | 12 hr |
| Jun 18, 2:16 PM CDT | Flash Flood Watch | ILX | 17 hr |
| Jun 19, 5:46 AM CDT | Mesoscale Discussion | SPC | 59 min |
| Jun 20, 4:08 AM CDT | Mesoscale Discussion | SPC | 67 min |
| Jun 20, 1:04 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Jun 21, 12:56 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Jun 21, 1:22 PM CDT | Tornado Watch | SPC | 9 hr |
| Jun 21, 3:31 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Jun 21, 4:29 PM CDT | Severe Thunderstorm Warning | ILX | 61 min |
| Jun 21, 4:37 PM CDT | Severe Thunderstorm Warning | ILX | 53 min |
| Jun 21, 4:56 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Jun 21, 5:28 PM CDT | Severe Thunderstorm Warning | ILX | 62 min |
| Jun 25, 11:17 AM CDT | Mesoscale Discussion | SPC | 118 min |
| Jun 25, 9:30 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 25, 9:57 PM CDT | Severe Thunderstorm Warning | ILX | 63 min |
| Jun 25, 11:07 PM CDT | Flash Flood Warning | ILX | 6 hr |
| Jun 25, 11:27 PM CDT | Flash Flood Warning | ILX | 6 hr |
| Jun 27, 12:58 AM CDT | Mesoscale Discussion | SPC | 92 min |
| Jun 27, 1:32 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 27, 3:14 AM CDT | Mesoscale Discussion | SPC | 91 min |
| Jun 27, 4:47 AM CDT | Special Weather Statement | ILX | 58 min |
| Jun 27, 4:48 AM CDT | Areal Flood Advisory | ILX | 6 hr |
| Jun 27, 5:38 AM CDT | Mesoscale Discussion | SPC | 97 min |
| Jun 30, 10:15 PM CDT | Mesoscale Discussion | SPC | 60 min |
| Jul 3, 1:15 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 3, 3:35 PM CDT | Mesoscale Discussion | SPC | 55 min |
| Jul 10, 3:02 AM CDT | Heat Advisory | ILX | 40 hr |
| Jul 11, 2:14 PM CDT | Excessive Heat Warning | ILX | 29 hr |
| Jul 12, 1:00 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 12, 1:45 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 12, 3:48 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jul 12, 6:28 PM CDT | Flash Flood Warning | ILX | 5 hr |
| Jul 12, 6:43 PM CDT | Mesoscale Discussion | SPC | 62 min |
| Jul 14, 2:46 PM CDT | Excessive Heat Watch | ILX | 24 hr |
| Jul 15, 3:03 PM CDT | Excessive Heat Warning | ILX | 9 days |
| Jul 26, 1:11 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Jul 27, 12:12 PM CDT | Heat Advisory | ILX | 7 hr |
| Jul 27, 2:50 PM CDT | Heat Advisory | ILX | 28 hr |
| Jul 29, 10:32 AM CDT | Heat Advisory | ILX | 8 hr |
| Jul 29, 8:08 PM CDT | Special Weather Statement | ILX | 52 min |
| Jul 29, 8:34 PM CDT | Severe Thunderstorm Warning | ILX | 26 min |
| Jul 29, 9:06 PM CDT | Areal Flood Advisory | ILX | 6 hr |
| Jul 29, 9:09 PM CDT | Severe Thunderstorm Warning | ILX | 52 min |
| Jul 29, 9:17 PM CDT | Flash Flood Warning | ILX | 6 hr |
| Jul 31, 2:42 PM CDT | Heat Advisory | ILX | 52 hr |
| Aug 7, 11:14 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 13, 3:29 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Aug 18, 2:40 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 24, 6:08 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 24, 8:56 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Sep 2, 3:42 AM CDT | Heat Advisory | ILX | 14 hr |
| Sep 21, 5:06 AM CDT | Dense Fog Advisory | ILX | 4 hr |
| Sep 22, 11:34 PM CDT | Dense Fog Advisory | ILX | 9 hr |
| Sep 25, 2:02 AM CDT | Dense Fog Advisory | ILX | 7 hr |
| Oct 1, 3:06 PM CDT | Frost Advisory | ILX | 17 hr |
| Oct 19, 3:00 AM CDT | Wind Advisory | ILX | 24 hr |
| Oct 21, 3:00 AM CDT | Frost Advisory | ILX | 29 hr |
| Oct 28, 2:50 PM CDT | Frost Advisory | ILX | 18 hr |
| Oct 29, 2:48 PM CDT | Frost Advisory | ILX | 17 hr |
| Nov 12, 3:32 PM CST | Wind Advisory | ILX | 26 hr |
| Nov 14, 11:24 AM CST | Mesoscale Discussion | SPC | 96 min |
| Nov 14, 11:41 AM CST | Tornado Watch | SPC | 7 hr |
| Nov 14, 3:38 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Nov 14, 5:32 PM CST | Mesoscale Discussion | SPC | 88 min |
| Nov 28, 3:30 PM CST | Flood Watch | ILX | 21 hr |
| Dec 20, 10:01 PM CST | Dense Fog Advisory | ILX | 9 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 archive20102012
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.