Alert archive / Mississippi / Alcorn County
Weather alerts in Alcorn County, Mississippi, 2011
244 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Alcorn County and its neighbors
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Alerts
- 244
- Warnings
- 94
- Watches
- 50
- Advisories
- 36
- Busiest month
- April73 alerts
- Busiest day
- April 27, 201129 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 14 tornado warnings covering Alcorn County in 2011 had a tornado report inside them; 2 of 2 tornado reports fell inside a warning, on average 31 minutes after it went out.
Alcorn County, 2011
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 14 | 4 | 71% | 2 | 100% | 31 min |
| Severe thunderstorm warnings | 43 | 23 | 47% | 9 | 67% | 19 min |
| Flash flood warnings | 16 | 5 | 69% | 3 | 100% | 45 min |
Each office's whole area, 2011
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Memphis, TN: tornado warnings | 182 | 41 | 77% | 54 | 87% | 27 min |
| NWS Memphis, TN: severe thunderstorm warnings | 709 | 302 | 57% | 807 | 76% | 27668 min |
| NWS Memphis, TN: flash flood warnings | 167 | 36 | 78% | 92 | 77% | 159 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 |
|---|---|---|---|
| Dec 31, 10:32 PM CST | Flash Flood Watch | MEG | 5 hr |
| Dec 31, 10:53 PM CST | Flash Flood Warning | MEG | 3 hr |
| Dec 31, 10:59 PM CST | Flash Flood Warning | MEG | 3 hr |
| Jan 7, 1:50 PM CST | Winter Storm Watch | MEG | 32 hr |
| Jan 8, 2:24 PM CST | Winter Storm Warning | MEG | 38 hr |
| Jan 9, 8:07 PM CST | Mesoscale Discussion | SPC | 5 hr |
| Jan 10, 4:30 AM CST | Winter Weather Advisory | MEG | 28 hr |
| Jan 19, 2:38 AM CST | Winter Weather Advisory | MEG | 41 hr |
| Jan 25, 3:46 AM CST | Winter Storm Warning | MEG | 18 hr |
| Jan 25, 3:46 AM CST | Winter Weather Advisory | MEG | 26 hr |
| Jan 31, 5:23 AM CST | Dense Fog Advisory | MEG | 6 hr |
| Jan 31, 2:43 PM CST | Wind Advisory | MEG | 39 hr |
| Feb 1, 3:26 PM CST | High Wind Warning | MEG | 2 hr |
| Feb 3, 2:56 PM CST | Winter Weather Advisory | MEG | 42 hr |
| Feb 4, 4:40 AM CST | Winter Weather Advisory | MEG | 28 hr |
| Feb 4, 5:28 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 8, 4:09 PM CST | Winter Storm Warning | MEG | 30 hr |
| Feb 8, 4:09 PM CST | Winter Weather Advisory | MEG | 20 hr |
| Feb 9, 10:03 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 9, 3:03 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Feb 23, 2:34 AM CST | Flash Flood Watch | MEG | 46 hr |
| Feb 24, 2:12 PM CST | Mesoscale Discussion | SPC | 93 min |
| Feb 24, 2:34 PM CST | Tornado Watch | SPC | 7 hr |
| Feb 24, 5:26 PM CST | Mesoscale Discussion | SPC | 94 min |
| Feb 24, 7:58 PM CST | Severe Thunderstorm Warning | MEG | 47 min |
| Feb 24, 8:04 PM CST | Flash Flood Warning | MEG | 3 hr |
| Feb 24, 8:11 PM CST | Mesoscale Discussion | SPC | 64 min |
| Feb 24, 8:34 PM CST | Severe Thunderstorm Warning | MEG | 56 min |
| Feb 24, 8:47 PM CST | Flash Flood Warning | MEG | 3 hr |
| Feb 24, 9:30 PM CST | Severe Thunderstorm Warning | MEG | 36 min |
| Feb 24, 10:38 PM CST | Mesoscale Discussion | SPC | 97 min |
| Feb 28, 5:28 AM CST | Mesoscale Discussion | SPC | 62 min |
| Feb 28, 5:47 AM CST | Mesoscale Discussion | SPC | 28 min |
| Feb 28, 5:59 AM CST | Tornado Watch | SPC | 7 hr |
| Mar 4, 3:47 AM CST | Flash Flood Watch | MEG | 36 hr |
| Mar 8, 9:34 AM CST | Flood Watch | MEG | 55 min |
| Mar 8, 10:29 AM CST | Flash Flood Watch | MEG | 17 hr |
| Mar 23, 10:23 AM CDT | Wind Advisory | MEG | 9 hr |
| Mar 23, 1:40 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Mar 23, 4:37 PM CDT | Freeze Watch | MEG | 11 hr |
| Mar 24, 3:41 AM CDT | Freeze Warning | MEG | 28 hr |
| Mar 26, 5:36 PM CDT | Special Weather Statement | MEG | 24 min |
| Mar 26, 5:58 PM CDT | Severe Thunderstorm Warning | MEG | 47 min |
| Mar 26, 6:32 PM CDT | Severe Thunderstorm Warning | MEG | 58 min |
| Mar 29, 8:13 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 2, 3:42 PM CDT | Wind Advisory | MEG | 48 hr |
| Apr 4, 7:22 AM CDT | Tornado Watch | SPC | 7 hr |
| Apr 4, 10:22 AM CDT | Severe Thunderstorm Warning | MEG | 53 min |
| Apr 4, 10:25 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 4, 12:02 PM CDT | Severe Thunderstorm Warning | MEG | 43 min |
| Apr 4, 12:34 PM CDT | Severe Thunderstorm Warning | MEG | 41 min |
| Apr 4, 12:40 PM CDT | Severe Thunderstorm Warning | MEG | 50 min |
| Apr 4, 1:19 PM CDT | Tornado Warning | MEG | 29 min |
| Apr 4, 1:24 PM CDT | Severe Thunderstorm Warning | MEG | 51 min |
| Apr 11, 4:43 AM CDT | Wind Advisory | MEG | 12 hr |
| Apr 11, 8:58 AM CDT | Mesoscale Discussion | SPC | 62 min |
| Apr 11, 10:31 AM CDT | Tornado Watch | SPC | 6 hr |
| Apr 11, 10:41 AM CDT | Mesoscale Discussion | SPC | 64 min |
| Apr 11, 12:37 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Apr 11, 3:56 PM CDT | Mesoscale Discussion | SPC | 34 min |
| Apr 14, 11:23 AM CDT | Wind Advisory | MEG | 32 hr |
| Apr 15, 2:19 AM CDT | Tornado Watch | SPC | 8 hr |
| Apr 15, 4:21 AM CDT | Mesoscale Discussion | SPC | 84 min |
| Apr 15, 12:29 PM CDT | Mesoscale Discussion | SPC | 61 min |
| Apr 15, 2:09 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 15, 5:09 PM CDT | Severe Thunderstorm Warning | MEG | 51 min |
| Apr 15, 5:57 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 18, 4:04 PM CDT | Wind Advisory | MEG | 27 hr |
| Apr 19, 9:39 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Apr 19, 10:14 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 19, 11:45 PM CDT | Severe Thunderstorm Warning | MEG | 45 min |
| Apr 19, 11:56 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Apr 20, 3:18 AM CDT | Flash Flood Watch | MEG | 30 hr |
| Apr 20, 1:02 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 20, 4:22 PM CDT | Severe Thunderstorm Warning | MEG | 53 min |
| Apr 20, 4:54 PM CDT | Severe Thunderstorm Warning | MEG | 36 min |
| Apr 24, 2:38 PM CDT | Flash Flood Watch | MEG | 3 days |
| Apr 25, 8:37 AM CDT | Mesoscale Discussion | SPC | 53 min |
| Apr 25, 9:17 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 25, 1:15 PM CDT | Mesoscale Discussion | SPC | 60 min |
| Apr 25, 11:05 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Apr 25, 11:42 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 25, 11:59 PM CDT | Severe Thunderstorm Warning | MEG | 76 min |
| Apr 26, 12:09 AM CDT | Tornado Warning | MEG | 36 min |
| Apr 26, 12:14 AM CDT | Tornado Warning | MEG | 31 min |
| Apr 26, 3:02 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 26, 4:13 PM CDT | Wind Advisory | MEG | 13 hr |
| Apr 26, 7:59 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 26, 8:07 PM CDT | Severe Thunderstorm Warning | MEG | 68 min |
| Apr 26, 8:55 PM CDT | Tornado Warning | MEG | 65 min |
| Apr 26, 9:09 PM CDT | Severe Thunderstorm Warning | MEG | 51 min |
| Apr 26, 9:33 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 26, 11:33 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Apr 27, 2:24 AM CDT | Tornado Warning | MEG | 31 min |
| Apr 27, 2:26 AM CDT | Flash Flood Warning | MEG | 4 hr |
| Apr 27, 2:26 AM CDT | Tornado Watch | SPC | 6 hr |
| Apr 27, 3:13 AM CDT | Severe Thunderstorm Warning | MEG | 47 min |
| Apr 27, 3:14 AM CDT | Tornado Warning | MEG | 46 min |
| Apr 27, 6:25 AM CDT | Mesoscale Discussion | SPC | 65 min |
| Apr 27, 7:14 AM CDT | Flash Flood Warning | MEG | 4 hr |
| Apr 27, 8:08 AM CDT | Tornado Watch | SPC | 6 hr |
| Apr 27, 8:28 AM CDT | Tornado Warning | MEG | 47 min |
| Apr 27, 9:07 AM CDT | Tornado Warning | MEG | 38 min |
| Apr 27, 9:56 AM CDT | Severe Thunderstorm Warning | MEG | 34 min |
| Apr 27, 11:02 AM CDT | Tornado Watch | SPC | 8 hr |
| Apr 27, 11:18 AM CDT | Flash Flood Warning | MEG | 6 hr |
| Apr 27, 1:50 PM CDT | Severe Thunderstorm Warning | MEG | 40 min |
| Apr 27, 2:23 PM CDT | Tornado Warning | MEG | 37 min |
| Apr 27, 2:25 PM CDT | Severe Thunderstorm Warning | MEG | 50 min |
| Apr 27, 2:50 PM CDT | Tornado Warning | MEG | 40 min |
| Apr 27, 2:56 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 27, 2:58 PM CDT | Wind Advisory | MEG | 6 hr |
| Apr 27, 3:07 PM CDT | Severe Thunderstorm Warning | MEG | 38 min |
| Apr 27, 5:05 PM CDT | Flash Flood Warning | MEG | 85 min |
| Apr 27, 5:08 PM CDT | Areal Flood Warning | MEG | 66 hr |
| Apr 27, 6:27 PM CDT | Areal Flood Warning | MEG | 36 hr |
| Apr 29, 3:39 PM CDT | Flash Flood Watch | MEG | 4 days |
| Apr 30, 11:15 AM CDT | Areal Flood Warning | MEG | 24 hr |
| May 1, 3:50 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 1, 12:47 PM CDT | Tornado Watch | SPC | 8 hr |
| May 1, 3:18 PM CDT | Mesoscale Discussion | SPC | 87 min |
| May 1, 5:43 PM CDT | Mesoscale Discussion | SPC | 92 min |
| May 2, 2:43 PM CDT | Severe Thunderstorm Warning | MEG | 47 min |
| May 2, 3:25 PM CDT | Severe Thunderstorm Warning | MEG | 65 min |
| May 3, 12:48 AM CDT | Flash Flood Warning | MEG | 9 hr |
| May 3, 1:40 AM CDT | Flash Flood Warning | MEG | 8 hr |
| May 3, 9:38 AM CDT | Areal Flood Warning | MEG | 18 hr |
| May 13, 12:31 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 13, 2:44 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 13, 4:51 PM CDT | Tornado Warning | MEG | 39 min |
| May 13, 5:24 PM CDT | Tornado Warning | MEG | 51 min |
| May 13, 5:54 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 13, 6:05 PM CDT | Tornado Warning | MEG | 40 min |
| May 13, 6:06 PM CDT | Flash Flood Warning | MEG | 3 hr |
| May 22, 7:03 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 22, 1:09 PM CDT | Mesoscale Discussion | SPC | 66 min |
| May 23, 4:57 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| May 23, 7:47 PM CDT | Mesoscale Discussion | SPC | 58 min |
| May 24, 2:17 AM CDT | Severe Thunderstorm Warning | MEG | 43 min |
| May 25, 11:52 AM CDT | Mesoscale Discussion | SPC | 83 min |
| May 25, 12:28 PM CDT | Tornado Watch | SPC | 8 hr |
| May 25, 5:56 PM CDT | Mesoscale Discussion | SPC | 64 min |
| May 25, 7:22 PM CDT | Mesoscale Discussion | SPC | 53 min |
| May 25, 8:33 PM CDT | Tornado Watch | SPC | 7 hr |
| May 25, 9:53 PM CDT | Severe Thunderstorm Warning | MEG | 52 min |
| May 25, 10:19 PM CDT | Severe Thunderstorm Warning | MEG | 41 min |
| May 25, 10:32 PM CDT | Tornado Warning | MEG | 26 min |
| Jun 3, 11:20 AM CDT | Heat Advisory | MEG | 52 hr |
| Jun 15, 10:54 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 15, 11:52 AM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 15, 3:34 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Jun 15, 5:42 PM CDT | Severe Thunderstorm Warning | MEG | 48 min |
| Jun 15, 5:43 PM CDT | Severe Thunderstorm Warning | MEG | 47 min |
| Jun 15, 5:53 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jun 15, 6:33 PM CDT | Special Weather Statement | MEG | 42 min |
| Jun 15, 6:50 PM CDT | Severe Thunderstorm Warning | MEG | 40 min |
| Jun 15, 6:54 PM CDT | Severe Thunderstorm Warning | MEG | 51 min |
| Jun 15, 7:45 PM CDT | Severe Thunderstorm Warning | MEG | 47 min |
| Jun 16, 4:41 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 16, 8:22 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Jun 18, 8:38 AM CDT | Mesoscale Discussion | SPC | 97 min |
| Jun 18, 9:39 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 22, 11:57 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 24, 12:58 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 26, 12:05 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 26, 1:11 PM CDT | Special Weather Statement | MEG | 49 min |
| Jun 26, 1:49 PM CDT | Severe Thunderstorm Warning | MEG | 41 min |
| Jun 26, 2:33 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jun 26, 5:29 PM CDT | Mesoscale Discussion | SPC | 46 min |
| Jun 28, 4:08 AM CDT | Mesoscale Discussion | SPC | 82 min |
| Jun 28, 6:08 AM CDT | Mesoscale Discussion | SPC | 97 min |
| Jun 28, 7:06 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 28, 9:34 AM CDT | Severe Thunderstorm Warning | MEG | 41 min |
| Jun 28, 10:10 AM CDT | Severe Thunderstorm Warning | MEG | 50 min |
| Jun 28, 10:11 AM CDT | Flash Flood Warning | MEG | 3 hr |
| Jul 4, 12:52 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Jul 7, 11:46 AM CDT | Mesoscale Discussion | SPC | 89 min |
| Jul 8, 3:42 PM CDT | Heat Advisory | MEG | 46 hr |
| Jul 8, 7:53 PM CDT | Excessive Heat Watch | MEG | 20 hr |
| Jul 10, 4:20 AM CDT | Excessive Heat Warning | MEG | 3 days |
| Jul 12, 4:17 AM CDT | Heat Advisory | MEG | 55 hr |
| Jul 14, 1:04 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Jul 18, 3:11 PM CDT | Heat Advisory | MEG | 6 days |
| Jul 21, 5:25 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 21, 5:36 PM CDT | Flash Flood Warning | MEG | 6 hr |
| Jul 26, 3:16 PM CDT | Heat Advisory | MEG | 51 hr |
| Jul 30, 2:26 PM CDT | Heat Advisory | MEG | 3 days |
| Aug 1, 3:06 AM CDT | Excessive Heat Watch | MEG | 4 days |
| Aug 2, 3:55 AM CDT | Excessive Heat Warning | MEG | 5 days |
| Aug 2, 4:02 PM CDT | Excessive Heat Watch | MEG | 48 hr |
| Aug 4, 1:25 AM CDT | Mesoscale Discussion | SPC | 95 min |
| Aug 4, 8:06 AM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Aug 4, 3:41 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 4, 4:03 PM CDT | Severe Thunderstorm Warning | MEG | 42 min |
| Aug 4, 4:32 PM CDT | Severe Thunderstorm Warning | MEG | 43 min |
| Aug 4, 4:44 PM CDT | Severe Thunderstorm Warning | MEG | 46 min |
| Aug 4, 5:17 PM CDT | Severe Thunderstorm Warning | MEG | 43 min |
| Aug 4, 6:06 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Aug 5, 2:59 PM CDT | Excessive Heat Warning | MEG | 3 days |
| Aug 6, 4:12 AM CDT | Heat Advisory | MEG | 63 hr |
| Aug 7, 5:11 PM CDT | Severe Thunderstorm Warning | MEG | 34 min |
| Aug 7, 5:39 PM CDT | Severe Thunderstorm Warning | MEG | 51 min |
| Aug 7, 6:04 PM CDT | Flash Flood Warning | MEG | 116 min |
| Aug 8, 12:31 PM CDT | Special Weather Statement | MEG | 29 min |
| Aug 8, 12:50 PM CDT | Severe Thunderstorm Warning | MEG | 40 min |
| Aug 8, 12:53 PM CDT | Severe Thunderstorm Warning | MEG | 52 min |
| Aug 8, 1:41 PM CDT | Special Weather Statement | MEG | 49 min |
| Aug 10, 5:34 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Aug 18, 2:38 AM CDT | Heat Advisory | MEG | 13 hr |
| Sep 3, 2:09 PM CDT | Flood Watch | MEG | 30 hr |
| Sep 4, 2:19 PM CDT | Wind Advisory | MEG | 30 hr |
| Sep 4, 8:10 PM CDT | Flash Flood Warning | MEG | 6 hr |
| Sep 4, 8:24 PM CDT | Flash Flood Watch | MEG | 26 hr |
| Sep 5, 8:19 AM CDT | Flash Flood Warning | MEG | 13 hr |
| Sep 11, 5:00 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Sep 14, 12:44 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Sep 14, 3:17 PM CDT | Severe Thunderstorm Warning | MEG | 43 min |
| Sep 14, 3:58 PM CDT | Severe Thunderstorm Warning | MEG | 32 min |
| Sep 14, 4:26 PM CDT | Severe Thunderstorm Warning | MEG | 49 min |
| Sep 21, 4:16 AM CDT | Dense Fog Advisory | MEG | 6 hr |
| Oct 2, 3:31 PM CDT | Frost Advisory | MEG | 16 hr |
| Oct 12, 5:35 AM CDT | Dense Fog Advisory | MEG | 3 hr |
| Oct 19, 3:12 PM CDT | Freeze Watch | MEG | 20 hr |
| Oct 20, 11:01 AM CDT | Freeze Warning | MEG | 22 hr |
| Oct 21, 3:44 AM CDT | Freeze Watch | MEG | 12 hr |
| Oct 21, 3:22 PM CDT | Freeze Warning | MEG | 18 hr |
| Oct 24, 3:11 AM CDT | Dense Fog Advisory | MEG | 8 hr |
| Oct 25, 3:39 AM CDT | Dense Fog Advisory | MEG | 5 hr |
| Oct 28, 3:37 PM CDT | Freeze Watch | MEG | 24 hr |
| Oct 28, 3:37 PM CDT | Freeze Warning | MEG | 18 hr |
| Oct 29, 3:20 PM CDT | Freeze Warning | MEG | 18 hr |
| Oct 31, 3:40 PM CDT | Frost Advisory | MEG | 17 hr |
| Nov 4, 11:09 PM CDT | Dense Fog Advisory | MEG | 11 hr |
| Nov 9, 2:27 PM CST | Freeze Watch | MEG | 14 hr |
| Nov 10, 4:09 AM CST | Freeze Warning | MEG | 29 hr |
| Nov 12, 2:50 PM CST | Wind Advisory | MEG | 27 hr |
| Nov 21, 3:40 AM CST | Mesoscale Discussion | SPC | 95 min |
| Nov 24, 9:08 PM CST | Dense Fog Advisory | MEG | 12 hr |
| Nov 28, 3:36 AM CST | Winter Storm Watch | MEG | 13 hr |
| Nov 28, 4:17 PM CST | Winter Storm Warning | MEG | 20 hr |
| Dec 2, 3:29 PM CST | Flood Watch | MEG | 72 hr |
| Dec 6, 6:44 PM CST | Winter Weather Advisory | MEG | 17 hr |
| Dec 8, 4:12 AM CST | Freezing Fog Advisory | MEG | 5 hr |
| Dec 13, 9:13 PM CST | Dense Fog Advisory | MEG | 11 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 | 46 |
| Tornado Warning | 14 |
| Severe Thunderstorm Watch | 14 |
| Tornado Watch | 15 |
| Mesoscale Discussion | 59 |
| Special Weather Statement | 5 |
| Flooding | |
| Areal Flood Warning | 4 |
| Flash Flood Warning | 16 |
| Flash Flood Watch | 8 |
| Flood Watch | 3 |
| Winter | |
| Winter Storm Warning | 4 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 7 |
| Heat | |
| Excessive Heat Warning | 3 |
| Excessive Heat Watch | 3 |
| Heat Advisory | 8 |
| Cold | |
| Freeze Warning | 6 |
| Freeze Watch | 5 |
| Frost Advisory | 2 |
| Wind and dust | |
| High Wind Warning | 1 |
| Wind Advisory | 10 |
| Fog and smoke | |
| Dense Fog Advisory | 8 |
| Freezing Fog Advisory | 1 |
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.