Alert archive / Arkansas / Jefferson County
Weather alerts in Jefferson County, Arkansas, 2011
338 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Jefferson County and its neighbors
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Alerts
- 338
- Warnings
- 160
- Watches
- 33
- Advisories
- 69
- Busiest month
- April130 alerts
- Busiest day
- April 26, 201134 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
4 of 19 tornado warnings covering Jefferson County in 2011 had a tornado report inside them.
Jefferson County, 2011
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 19 | 4 | 79% | 0 | ||
| Severe thunderstorm warnings | 109 | 39 | 64% | 21 | 100% | 25 min |
| Flash flood warnings | 24 | 5 | 79% | 0 |
Each office's whole area, 2011
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Little Rock, AR: tornado warnings | 185 | 26 | 86% | 46 | 87% | 18 min |
| NWS Little Rock, AR: severe thunderstorm warnings | 903 | 309 | 66% | 658 | 83% | 21 min |
| NWS Little Rock, AR: flash flood warnings | 144 | 23 | 84% | 56 | 89% | 103 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 7, 6:17 AM CST | Lake Wind Advisory | LZK | 12 hr |
| Jan 7, 2:52 PM CST | Winter Storm Watch | LZK | 25 hr |
| Jan 8, 3:26 PM CST | Winter Storm Warning | LZK | 37 hr |
| Jan 10, 4:53 AM CST | Winter Weather Advisory | LZK | 22 hr |
| Jan 18, 4:03 AM CST | Dense Fog Advisory | LZK | 5 hr |
| Jan 31, 3:24 PM CST | Wind Advisory | LZK | 31 hr |
| Feb 1, 6:46 AM CST | Mesoscale Discussion | SPC | 119 min |
| Feb 3, 11:57 AM CST | Winter Weather Advisory | LZK | 44 hr |
| Feb 4, 5:28 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 6, 12:15 PM CST | Winter Weather Advisory | LZK | 23 hr |
| Feb 7, 11:44 AM CST | Winter Storm Watch | LZK | 28 hr |
| Feb 8, 3:00 AM CST | Winter Storm Warning | LZK | 37 hr |
| Feb 9, 10:03 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 9, 4:06 PM CST | Winter Weather Advisory | LZK | 2 hr |
| Feb 9, 6:08 PM CST | Winter Weather Advisory | LZK | 2 hr |
| Feb 17, 3:40 AM CST | Lake Wind Advisory | LZK | 14 hr |
| Feb 20, 4:00 AM CST | Lake Wind Advisory | LZK | 14 hr |
| Feb 20, 2:47 PM CST | Lake Wind Advisory | LZK | 27 hr |
| Feb 24, 11:25 AM CST | Tornado Watch | SPC | 9 hr |
| Feb 24, 2:39 PM CST | Mesoscale Discussion | SPC | 66 min |
| Feb 24, 4:05 PM CST | Severe Thunderstorm Warning | LZK | 40 min |
| Feb 24, 4:56 PM CST | Severe Thunderstorm Warning | LZK | 49 min |
| Feb 24, 5:26 PM CST | Mesoscale Discussion | SPC | 94 min |
| Feb 24, 6:09 PM CST | Severe Thunderstorm Warning | LZK | 66 min |
| Feb 27, 4:54 AM CST | Lake Wind Advisory | LZK | 14 hr |
| Feb 28, 4:36 AM CST | Lake Wind Advisory | LZK | 13 hr |
| Feb 28, 4:43 AM CST | Special Weather Statement | LZK | 47 min |
| Mar 8, 7:30 AM CST | Mesoscale Discussion | SPC | 90 min |
| Mar 9, 3:28 AM CST | Lake Wind Advisory | LZK | 15 hr |
| Mar 21, 2:47 PM CDT | Lake Wind Advisory | LZK | 28 hr |
| Mar 23, 3:15 AM CDT | Lake Wind Advisory | LZK | 16 hr |
| Mar 27, 3:25 PM CDT | Severe Thunderstorm Warning | LZK | 35 min |
| Mar 27, 7:18 PM CDT | Mesoscale Discussion | SPC | 57 min |
| Mar 27, 8:45 PM CDT | Severe Thunderstorm Warning | LZK | 30 min |
| Mar 27, 8:45 PM CDT | Severe Thunderstorm Warning | LZK | 45 min |
| Mar 27, 9:29 PM CDT | Severe Thunderstorm Warning | LZK | 46 min |
| Mar 29, 8:13 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 1, 12:47 AM CDT | Dense Fog Advisory | LZK | 8 hr |
| Apr 2, 3:25 PM CDT | Wind Advisory | LZK | 28 hr |
| Apr 3, 3:38 PM CDT | Lake Wind Advisory | LZK | 30 hr |
| Apr 4, 3:00 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Apr 4, 3:44 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 4, 7:22 AM CDT | Tornado Watch | SPC | 7 hr |
| Apr 4, 8:55 AM CDT | Severe Thunderstorm Warning | LZK | 35 min |
| Apr 4, 9:26 AM CDT | Severe Thunderstorm Warning | LZK | 49 min |
| Apr 4, 10:09 AM CDT | Severe Thunderstorm Warning | LZK | 36 min |
| Apr 4, 10:41 AM CDT | Severe Thunderstorm Warning | LZK | 34 min |
| Apr 6, 4:30 AM CDT | Lake Wind Advisory | LZK | 15 hr |
| Apr 6, 4:31 AM CDT | Red Flag Warning | LZK | 14 hr |
| Apr 9, 2:17 PM CDT | Lake Wind Advisory | LZK | 29 hr |
| Apr 11, 4:19 AM CDT | Mesoscale Discussion | SPC | 56 min |
| Apr 11, 8:03 AM CDT | Special Weather Statement | LZK | 47 min |
| Apr 11, 9:46 AM CDT | Mesoscale Discussion | SPC | 29 min |
| Apr 11, 10:22 AM CDT | Severe Thunderstorm Warning | LZK | 23 min |
| Apr 11, 10:31 AM CDT | Tornado Watch | SPC | 6 hr |
| Apr 11, 10:35 AM CDT | Severe Thunderstorm Warning | LZK | 25 min |
| Apr 11, 12:37 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Apr 11, 3:43 PM CDT | Lake Wind Advisory | LZK | 4 hr |
| Apr 14, 3:17 PM CDT | Lake Wind Advisory | LZK | 49 hr |
| Apr 14, 7:33 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Apr 14, 9:06 PM CDT | Tornado Watch | SPC | 6 hr |
| Apr 15, 1:27 AM CDT | Mesoscale Discussion | SPC | 93 min |
| Apr 15, 2:19 AM CDT | Severe Thunderstorm Warning | LZK | 41 min |
| Apr 15, 2:19 AM CDT | Tornado Watch | SPC | 8 hr |
| Apr 15, 2:49 AM CDT | Severe Thunderstorm Warning | LZK | 56 min |
| Apr 15, 2:49 AM CDT | Tornado Warning | LZK | 18 min |
| Apr 15, 2:58 AM CDT | Severe Thunderstorm Warning | LZK | 47 min |
| Apr 15, 3:42 AM CDT | Severe Thunderstorm Warning | LZK | 63 min |
| Apr 18, 4:01 PM CDT | Wind Advisory | LZK | 28 hr |
| Apr 19, 6:24 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Apr 19, 6:46 PM CDT | Tornado Watch | SPC | 9 hr |
| Apr 19, 8:07 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Apr 19, 8:29 PM CDT | Severe Thunderstorm Warning | LZK | 46 min |
| Apr 19, 8:46 PM CDT | Tornado Warning | LZK | 29 min |
| Apr 19, 9:05 PM CDT | Tornado Warning | LZK | 25 min |
| Apr 19, 9:19 PM CDT | Severe Thunderstorm Warning | LZK | 41 min |
| Apr 19, 9:26 PM CDT | Tornado Warning | LZK | 34 min |
| Apr 19, 9:53 PM CDT | Severe Thunderstorm Warning | LZK | 37 min |
| Apr 19, 10:00 PM CDT | Severe Thunderstorm Warning | LZK | 45 min |
| Apr 19, 11:34 PM CDT | Severe Thunderstorm Warning | LZK | 41 min |
| Apr 19, 11:45 PM CDT | Severe Thunderstorm Warning | LZK | 45 min |
| Apr 20, 12:30 AM CDT | Severe Thunderstorm Warning | LZK | 45 min |
| Apr 20, 1:11 AM CDT | Severe Thunderstorm Warning | LZK | 49 min |
| Apr 20, 1:46 AM CDT | Severe Thunderstorm Warning | LZK | 44 min |
| Apr 20, 2:04 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 20, 4:29 PM CDT | Severe Thunderstorm Warning | LZK | 31 min |
| Apr 20, 4:40 PM CDT | Severe Thunderstorm Warning | LZK | 35 min |
| Apr 20, 5:06 PM CDT | Severe Thunderstorm Warning | LZK | 39 min |
| Apr 20, 5:16 PM CDT | Flash Flood Warning | LZK | 3 hr |
| Apr 20, 5:56 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 20, 6:08 PM CDT | Special Weather Statement | LZK | 47 min |
| Apr 20, 7:35 PM CDT | Flash Flood Warning | LZK | 3 hr |
| Apr 20, 7:51 PM CDT | Special Weather Statement | LZK | 44 min |
| Apr 22, 2:11 AM CDT | Dense Fog Advisory | LZK | 7 hr |
| Apr 22, 4:24 AM CDT | Lake Wind Advisory | LZK | 15 hr |
| Apr 24, 4:25 PM CDT | Flash Flood Watch | LZK | 68 hr |
| Apr 25, 1:57 AM CDT | Mesoscale Discussion | SPC | 63 min |
| Apr 25, 4:41 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 25, 5:03 AM CDT | Lake Wind Advisory | LZK | 17 hr |
| Apr 25, 8:37 AM CDT | Mesoscale Discussion | SPC | 53 min |
| Apr 25, 8:39 AM CDT | Severe Thunderstorm Warning | LZK | 51 min |
| Apr 25, 9:19 AM CDT | Severe Thunderstorm Warning | LZK | 41 min |
| Apr 25, 9:54 AM CDT | Severe Thunderstorm Warning | LZK | 51 min |
| Apr 25, 10:11 AM CDT | Flash Flood Warning | LZK | 3 hr |
| Apr 25, 3:08 PM CDT | Mesoscale Discussion | SPC | 37 min |
| Apr 25, 3:22 PM CDT | Tornado Watch | SPC | 8 hr |
| Apr 25, 7:26 PM CDT | Severe Thunderstorm Warning | LZK | 49 min |
| Apr 25, 7:34 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Apr 25, 7:47 PM CDT | Severe Thunderstorm Warning | LZK | 43 min |
| Apr 25, 7:58 PM CDT | Flash Flood Warning | LZK | 3 hr |
| Apr 25, 7:58 PM CDT | Severe Thunderstorm Warning | LZK | 47 min |
| Apr 25, 8:08 PM CDT | Flash Flood Warning | LZK | 3 hr |
| Apr 25, 8:24 PM CDT | Severe Thunderstorm Warning | LZK | 51 min |
| Apr 25, 8:38 PM CDT | Severe Thunderstorm Warning | LZK | 52 min |
| Apr 25, 9:03 PM CDT | Severe Thunderstorm Warning | LZK | 42 min |
| Apr 25, 10:51 PM CDT | Flash Flood Warning | LZK | 4 hr |
| Apr 25, 10:54 PM CDT | Flash Flood Warning | LZK | 4 hr |
| Apr 26, 12:19 AM CDT | Severe Thunderstorm Warning | LZK | 41 min |
| Apr 26, 12:56 AM CDT | Special Weather Statement | LZK | 44 min |
| Apr 26, 1:21 AM CDT | Severe Thunderstorm Warning | LZK | 39 min |
| Apr 26, 3:25 AM CDT | Flash Flood Warning | LZK | 3 hr |
| Apr 26, 9:52 AM CDT | River Flood Warning | LZK | 5 days |
| Apr 26, 2:49 PM CDT | Severe Thunderstorm Warning | LZK | 41 min |
| Apr 26, 3:02 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 26, 3:49 PM CDT | Severe Thunderstorm Warning | LZK | 41 min |
| Apr 26, 3:59 PM CDT | Severe Thunderstorm Warning | LZK | 46 min |
| Apr 26, 4:14 PM CDT | Tornado Warning | LZK | 46 min |
| Apr 26, 4:23 PM CDT | Tornado Warning | LZK | 52 min |
| Apr 26, 4:29 PM CDT | Severe Thunderstorm Warning | LZK | 46 min |
| Apr 26, 4:53 PM CDT | Severe Thunderstorm Warning | LZK | 52 min |
| Apr 26, 4:53 PM CDT | Tornado Warning | LZK | 52 min |
| Apr 26, 5:07 PM CDT | Severe Thunderstorm Warning | LZK | 38 min |
| Apr 26, 5:07 PM CDT | Tornado Warning | LZK | 38 min |
| Apr 26, 5:19 PM CDT | Tornado Warning | LZK | 26 min |
| Apr 26, 5:28 PM CDT | Flash Flood Warning | LZK | 2 hr |
| Apr 26, 5:32 PM CDT | Tornado Warning | LZK | 22 min |
| Apr 26, 5:41 PM CDT | Tornado Warning | LZK | 49 min |
| Apr 26, 5:44 PM CDT | Severe Thunderstorm Warning | LZK | 46 min |
| Apr 26, 6:17 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Apr 26, 6:37 PM CDT | Severe Thunderstorm Warning | LZK | 38 min |
| Apr 26, 7:18 PM CDT | Tornado Warning | LZK | 27 min |
| Apr 26, 7:23 PM CDT | Severe Thunderstorm Warning | LZK | 52 min |
| Apr 26, 7:38 PM CDT | Tornado Warning | LZK | 28 min |
| Apr 26, 7:56 PM CDT | Flash Flood Warning | LZK | 3 hr |
| Apr 26, 8:02 PM CDT | Flash Flood Warning | LZK | 3 hr |
| Apr 26, 8:05 PM CDT | Severe Thunderstorm Warning | LZK | 40 min |
| Apr 26, 8:33 PM CDT | Severe Thunderstorm Warning | LZK | 57 min |
| Apr 26, 8:47 PM CDT | Severe Thunderstorm Warning | LZK | 43 min |
| Apr 26, 9:13 PM CDT | Mesoscale Discussion | SPC | 62 min |
| Apr 26, 9:33 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 26, 11:00 PM CDT | Flash Flood Warning | LZK | 6 hr |
| Apr 26, 11:18 PM CDT | Severe Thunderstorm Warning | LZK | 42 min |
| Apr 27, 4:39 AM CDT | Special Weather Statement | LZK | 46 min |
| Apr 27, 4:53 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 27, 5:10 AM CDT | Flash Flood Warning | LZK | 3 hr |
| Apr 27, 5:43 AM CDT | Severe Thunderstorm Warning | LZK | 62 min |
| Apr 27, 6:12 AM CDT | Severe Thunderstorm Warning | LZK | 48 min |
| Apr 27, 6:25 AM CDT | Mesoscale Discussion | SPC | 65 min |
| Apr 27, 6:41 AM CDT | Severe Thunderstorm Warning | LZK | 49 min |
| Apr 27, 6:45 AM CDT | Severe Thunderstorm Warning | LZK | 45 min |
| Apr 27, 7:28 AM CDT | Severe Thunderstorm Warning | LZK | 47 min |
| Apr 27, 7:51 AM CDT | Flash Flood Warning | LZK | 2 hr |
| Apr 27, 10:11 AM CDT | Lake Wind Advisory | LZK | 9 hr |
| Apr 27, 10:56 AM CDT | Flash Flood Warning | LZK | 2 hr |
| Apr 30, 4:10 AM CDT | Flash Flood Watch | LZK | 72 hr |
| Apr 30, 8:36 AM CDT | Lake Wind Advisory | LZK | 6 hr |
| Apr 30, 6:48 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 30, 8:47 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Apr 30, 11:39 PM CDT | Mesoscale Discussion | SPC | 66 min |
| May 1, 1:16 AM CDT | Mesoscale Discussion | SPC | 59 min |
| May 1, 5:59 AM CDT | Flash Flood Warning | LZK | 3 hr |
| May 1, 12:12 PM CDT | Mesoscale Discussion | SPC | 93 min |
| May 1, 12:47 PM CDT | Tornado Watch | SPC | 8 hr |
| May 1, 2:30 PM CDT | Areal Flood Warning | LZK | 6 hr |
| May 1, 2:41 PM CDT | River Flood Warning | LZK | 31 hr |
| May 1, 3:18 PM CDT | Mesoscale Discussion | SPC | 87 min |
| May 1, 5:43 PM CDT | Mesoscale Discussion | SPC | 92 min |
| May 1, 8:10 PM CDT | Mesoscale Discussion | SPC | 35 min |
| May 2, 3:56 AM CDT | Flash Flood Warning | LZK | 4 hr |
| May 2, 5:47 AM CDT | Flash Flood Warning | LZK | 3 hr |
| May 2, 9:19 AM CDT | Flash Flood Warning | LZK | 4 hr |
| May 2, 5:03 PM CDT | Areal Flood Warning | LZK | 12 hr |
| May 2, 9:47 PM CDT | River Flood Advisory | LZK | 36 hr |
| May 3, 4:59 AM CDT | Areal Flood Warning | LZK | 6 hr |
| May 4, 9:56 AM CDT | River Flood Advisory | LZK | 36 hr |
| May 6, 8:57 AM CDT | River Flood Advisory | LZK | 12 hr |
| May 7, 10:28 AM CDT | Lake Wind Advisory | LZK | 9 hr |
| May 9, 11:33 AM CDT | Lake Wind Advisory | LZK | 7 hr |
| May 12, 11:54 PM CDT | Special Weather Statement | LZK | 46 min |
| May 13, 12:23 AM CDT | Severe Thunderstorm Warning | LZK | 52 min |
| May 13, 1:40 AM CDT | Severe Thunderstorm Warning | LZK | 50 min |
| May 13, 4:09 AM CDT | Flash Flood Warning | LZK | 3 hr |
| May 13, 12:01 PM CDT | Mesoscale Discussion | SPC | 89 min |
| May 13, 2:31 PM CDT | Lake Wind Advisory | LZK | 7 hr |
| May 14, 3:50 AM CDT | Lake Wind Advisory | LZK | 16 hr |
| May 20, 10:30 AM CDT | Mesoscale Discussion | SPC | 60 min |
| May 20, 11:39 AM CDT | Flash Flood Watch | LZK | 17 hr |
| May 20, 12:50 PM CDT | Severe Thunderstorm Warning | LZK | 40 min |
| May 20, 1:28 PM CDT | Mesoscale Discussion | SPC | 62 min |
| May 20, 1:31 PM CDT | Severe Thunderstorm Warning | LZK | 44 min |
| May 20, 5:56 PM CDT | Tornado Watch | SPC | 3 hr |
| May 21, 8:31 PM CDT | Mesoscale Discussion | SPC | 89 min |
| May 22, 2:40 AM CDT | Lake Wind Advisory | LZK | 13 hr |
| May 22, 5:18 AM CDT | Mesoscale Discussion | SPC | 57 min |
| May 22, 6:36 AM CDT | Severe Thunderstorm Warning | LZK | 39 min |
| May 22, 6:49 AM CDT | Severe Thunderstorm Warning | LZK | 41 min |
| May 22, 7:03 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 22, 7:15 AM CDT | Severe Thunderstorm Warning | LZK | 45 min |
| May 22, 11:15 AM CDT | Mesoscale Discussion | SPC | 90 min |
| May 22, 1:09 PM CDT | Mesoscale Discussion | SPC | 66 min |
| May 23, 9:14 AM CDT | Mesoscale Discussion | SPC | 91 min |
| May 23, 9:42 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 24, 2:08 AM CDT | Mesoscale Discussion | SPC | 97 min |
| May 24, 2:46 AM CDT | Special Weather Statement | LZK | 44 min |
| May 25, 3:56 AM CDT | Lake Wind Advisory | LZK | 18 hr |
| May 25, 11:52 AM CDT | Mesoscale Discussion | SPC | 83 min |
| May 25, 12:28 PM CDT | Tornado Watch | SPC | 8 hr |
| May 25, 2:56 PM CDT | Mesoscale Discussion | SPC | 94 min |
| May 25, 4:11 PM CDT | Severe Thunderstorm Warning | LZK | 49 min |
| May 25, 4:38 PM CDT | Severe Thunderstorm Warning | LZK | 22 min |
| May 25, 4:52 PM CDT | Severe Thunderstorm Warning | LZK | 38 min |
| May 25, 4:54 PM CDT | Severe Thunderstorm Warning | LZK | 51 min |
| May 25, 5:03 PM CDT | Severe Thunderstorm Warning | LZK | 57 min |
| May 25, 5:03 PM CDT | Tornado Warning | LZK | 42 min |
| May 25, 5:06 PM CDT | Tornado Warning | LZK | 39 min |
| May 25, 5:40 PM CDT | Tornado Warning | LZK | 50 min |
| May 25, 5:43 PM CDT | Tornado Warning | LZK | 47 min |
| May 25, 6:20 PM CDT | Tornado Warning | LZK | 25 min |
| May 25, 6:28 PM CDT | Tornado Warning | LZK | 47 min |
| May 25, 6:51 PM CDT | Severe Thunderstorm Warning | LZK | 24 min |
| May 25, 7:12 PM CDT | Severe Thunderstorm Warning | LZK | 48 min |
| May 28, 3:55 AM CDT | Lake Wind Advisory | LZK | 15 hr |
| May 29, 3:51 AM CDT | Lake Wind Advisory | LZK | 15 hr |
| Jun 3, 8:35 AM CDT | Heat Advisory | LZK | 10 hr |
| Jun 3, 2:26 PM CDT | Heat Advisory | LZK | 29 hr |
| Jun 5, 12:56 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Jun 5, 1:50 PM CDT | Severe Thunderstorm Warning | LZK | 40 min |
| Jun 5, 2:31 PM CDT | Severe Thunderstorm Warning | LZK | 29 min |
| Jun 9, 4:52 PM CDT | Severe Thunderstorm Warning | LZK | 38 min |
| Jun 9, 5:28 PM CDT | Flash Flood Warning | LZK | 2 hr |
| Jun 13, 3:25 PM CDT | Mesoscale Discussion | SPC | 35 min |
| Jun 15, 6:57 PM CDT | Special Weather Statement | LZK | 48 min |
| Jun 15, 7:25 PM CDT | Severe Thunderstorm Warning | LZK | 35 min |
| Jun 15, 7:55 PM CDT | Severe Thunderstorm Warning | LZK | 35 min |
| Jun 15, 8:25 PM CDT | Severe Thunderstorm Warning | LZK | 50 min |
| Jun 16, 3:31 PM CDT | Severe Thunderstorm Warning | LZK | 29 min |
| Jun 16, 3:41 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Jun 16, 3:59 PM CDT | Severe Thunderstorm Warning | LZK | 46 min |
| Jun 16, 4:41 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 16, 4:46 PM CDT | Severe Thunderstorm Warning | LZK | 44 min |
| Jun 16, 5:14 PM CDT | Severe Thunderstorm Warning | LZK | 31 min |
| Jun 16, 5:34 PM CDT | Severe Thunderstorm Warning | LZK | 56 min |
| Jun 16, 5:43 PM CDT | Severe Thunderstorm Warning | LZK | 47 min |
| Jun 16, 6:29 PM CDT | Severe Thunderstorm Warning | LZK | 46 min |
| Jun 19, 8:47 AM CDT | Heat Advisory | LZK | 10 hr |
| Jun 20, 11:33 AM CDT | Lake Wind Advisory | LZK | 7 hr |
| Jun 24, 3:42 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jun 28, 3:19 AM CDT | Heat Advisory | LZK | 7 hr |
| Jun 28, 6:34 AM CDT | Mesoscale Discussion | SPC | 86 min |
| Jun 28, 7:06 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 28, 10:38 AM CDT | Special Weather Statement | LZK | 47 min |
| Jun 28, 11:51 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 28, 3:09 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jul 4, 12:52 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Jul 4, 2:32 PM CDT | Special Weather Statement | LZK | 43 min |
| Jul 4, 2:46 PM CDT | Severe Thunderstorm Warning | LZK | 44 min |
| Jul 4, 3:12 PM CDT | Severe Thunderstorm Warning | LZK | 48 min |
| Jul 4, 3:48 PM CDT | Severe Thunderstorm Warning | LZK | 42 min |
| Jul 4, 4:27 PM CDT | Severe Thunderstorm Warning | LZK | 33 min |
| Jul 4, 4:56 PM CDT | Severe Thunderstorm Warning | LZK | 17 min |
| Jul 8, 3:06 PM CDT | Heat Advisory | LZK | 29 hr |
| Jul 8, 3:06 PM CDT | Heat Advisory | LZK | 6 days |
| Jul 13, 1:57 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jul 13, 6:06 PM CDT | Severe Thunderstorm Warning | LZK | 39 min |
| Jul 13, 6:20 PM CDT | Severe Thunderstorm Warning | LZK | 40 min |
| Jul 13, 6:50 PM CDT | Severe Thunderstorm Warning | LZK | 40 min |
| Jul 13, 6:51 PM CDT | Flash Flood Warning | LZK | 3 hr |
| Jul 16, 3:51 AM CDT | Heat Advisory | LZK | 35 hr |
| Jul 19, 3:57 AM CDT | Heat Advisory | LZK | 10 days |
| Jul 22, 6:06 PM CDT | Special Weather Statement | LZK | 44 min |
| Jul 30, 2:56 PM CDT | Heat Advisory | LZK | 69 hr |
| Jul 31, 3:39 PM CDT | Severe Thunderstorm Warning | LZK | 51 min |
| Aug 2, 2:02 AM CDT | Excessive Heat Watch | LZK | 10 hr |
| Aug 2, 12:22 PM CDT | Excessive Heat Warning | LZK | 55 hr |
| Aug 2, 12:22 PM CDT | Heat Advisory | LZK | 7 days |
| Aug 4, 1:04 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Aug 7, 1:46 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Aug 7, 2:30 PM CDT | Severe Thunderstorm Warning | LZK | 45 min |
| Aug 7, 3:03 PM CDT | Severe Thunderstorm Warning | LZK | 16 min |
| Aug 7, 3:44 PM CDT | Special Weather Statement | LZK | 46 min |
| Aug 7, 4:14 PM CDT | Severe Thunderstorm Warning | LZK | 34 min |
| Aug 8, 2:04 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Aug 8, 7:59 PM CDT | Severe Thunderstorm Warning | LZK | 46 min |
| Aug 8, 8:39 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 8, 8:45 PM CDT | Severe Thunderstorm Warning | LZK | 30 min |
| Aug 8, 9:56 PM CDT | Severe Thunderstorm Warning | LZK | 34 min |
| Aug 8, 10:07 PM CDT | Severe Thunderstorm Warning | LZK | 22 min |
| Aug 8, 11:00 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 9, 2:21 AM CDT | Mesoscale Discussion | SPC | 84 min |
| Aug 10, 7:42 AM CDT | Special Weather Statement | LZK | 43 min |
| Aug 11, 2:29 AM CDT | Special Weather Statement | LZK | 46 min |
| Aug 12, 9:56 PM CDT | Severe Thunderstorm Warning | LZK | 49 min |
| Aug 12, 10:19 PM CDT | Severe Thunderstorm Warning | LZK | 41 min |
| Aug 12, 11:03 PM CDT | Special Weather Statement | LZK | 62 min |
| Aug 13, 1:32 PM CDT | Flash Flood Warning | LZK | 4 hr |
| Aug 13, 2:43 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 19, 2:39 PM CDT | Heat Advisory | LZK | 30 hr |
| Aug 23, 3:19 PM CDT | Heat Advisory | LZK | 22 hr |
| Aug 24, 8:33 AM CDT | Special Weather Statement | LZK | 42 min |
| Sep 4, 3:34 AM CDT | Lake Wind Advisory | LZK | 39 hr |
| Sep 21, 6:04 AM CDT | Dense Fog Advisory | LZK | 3 hr |
| Sep 25, 3:55 AM CDT | Lake Wind Advisory | LZK | 15 hr |
| Sep 25, 2:03 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 25, 3:19 PM CDT | Tornado Watch | SPC | 9 hr |
| Sep 25, 4:30 PM CDT | Severe Thunderstorm Warning | LZK | 45 min |
| Sep 25, 5:11 PM CDT | Severe Thunderstorm Warning | LZK | 49 min |
| Sep 25, 5:38 PM CDT | Severe Thunderstorm Warning | LZK | 52 min |
| Sep 25, 5:55 PM CDT | Severe Thunderstorm Warning | LZK | 20 min |
| Oct 13, 6:31 AM CDT | Lake Wind Advisory | LZK | 12 hr |
| Oct 17, 2:15 PM CDT | Lake Wind Advisory | LZK | 38 hr |
| Oct 19, 4:08 AM CDT | Lake Wind Advisory | LZK | 15 hr |
| Oct 20, 11:38 AM CDT | Frost Advisory | LZK | 21 hr |
| Oct 24, 2:50 AM CDT | Dense Fog Advisory | LZK | 8 hr |
| Nov 2, 2:10 PM CDT | Lake Wind Advisory | LZK | 29 hr |
| Nov 8, 5:09 PM CST | Mesoscale Discussion | SPC | 66 min |
| Nov 8, 5:30 PM CST | Tornado Watch | SPC | 7 hr |
| Nov 10, 2:21 PM CST | Freeze Warning | LZK | 18 hr |
| Nov 11, 1:54 PM CST | Lake Wind Advisory | LZK | 28 hr |
| Nov 13, 3:58 AM CST | Lake Wind Advisory | LZK | 14 hr |
| Nov 19, 3:32 AM CST | Lake Wind Advisory | LZK | 14 hr |
| Nov 21, 6:31 AM CST | Flash Flood Warning | LZK | 3 hr |
| Nov 21, 8:36 PM CST | Tornado Watch | SPC | 5 hr |
| Nov 22, 1:46 AM CST | Mesoscale Discussion | SPC | 59 min |
| Nov 25, 12:45 AM CST | Dense Fog Advisory | LZK | 8 hr |
| Dec 3, 3:20 AM CST | Flash Flood Watch | LZK | 58 hr |
| Dec 13, 5:16 PM CST | Dense Fog Advisory | LZK | 15 hr |
| Dec 14, 8:03 AM CST | Dense Fog Advisory | LZK | 2 hr |
| Dec 17, 5:03 AM CST | Dense Fog Advisory | LZK | 3 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 | 107 |
| Tornado Warning | 19 |
| Severe Thunderstorm Watch | 10 |
| Tornado Watch | 16 |
| Mesoscale Discussion | 59 |
| Special Weather Statement | 17 |
| Flooding | |
| Areal Flood Warning | 3 |
| Flash Flood Warning | 24 |
| River Flood Warning | 2 |
| Flash Flood Watch | 4 |
| River Flood Advisory | 3 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 5 |
| Heat | |
| Excessive Heat Warning | 1 |
| Excessive Heat Watch | 1 |
| Heat Advisory | 12 |
| Cold | |
| Freeze Warning | 1 |
| Frost Advisory | 1 |
| Wind and dust | |
| Lake Wind Advisory | 36 |
| Wind Advisory | 3 |
| Fire | |
| Red Flag Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 9 |
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.