Alert archive / Maine / Somerset County
Weather alerts in Somerset County, Maine, 2011
286 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Somerset County and its neighbors
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Alerts
- 286
- Warnings
- 102
- Watches
- 45
- Advisories
- 80
- Busiest month
- July42 alerts
- Busiest day
- September 4, 201117 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 2 tornado warnings covering Somerset County in 2011 had a tornado report inside them; 1 of 1 tornado reports fell inside a warning, on average 0 minutes after it went out.
Somerset County, 2011
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 2 | 1 | 50% | 1 | 100% | 0 min |
| Severe thunderstorm warnings | 53 | 40 | 25% | 26 | 96% | 22 min |
| Flash flood warnings | 4 | 1 | 75% | 0 |
Each office's whole area, 2011
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Caribou, ME: tornado warnings | 10 | 3 | 70% | 3 | 100% | 19 min |
| NWS Caribou, ME: severe thunderstorm warnings | 111 | 63 | 43% | 153 | 86% | 26 min |
| NWS Caribou, ME: flash flood warnings | 11 | 9 | 18% | 21 | 95% | 68 min |
| NWS Gray, ME: tornado warnings | 5 | 2 | 60% | 2 | 100% | 11 min |
| NWS Gray, ME: severe thunderstorm warnings | 159 | 136 | 14% | 296 | 89% | 23 min |
| NWS Gray, ME: flash flood warnings | 11 | 5 | 55% | 32 | 81% | 157 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 11, 3:10 AM EST | Winter Storm Warning | GYX | 42 hr |
| Jan 11, 3:10 AM EST | Winter Weather Advisory | GYX | 30 hr |
| Jan 12, 9:23 AM EST | Winter Weather Advisory | CAR | 16 hr |
| Jan 17, 3:10 AM EST | Winter Storm Watch | CAR | 26 hr |
| Jan 17, 3:40 AM EST | Winter Storm Watch | GYX | 11 hr |
| Jan 17, 3:08 PM EST | Winter Storm Warning | GYX | 35 hr |
| Jan 18, 4:43 AM EST | Winter Weather Advisory | CAR | 26 hr |
| Jan 20, 2:53 PM EST | Winter Storm Warning | GYX | 26 hr |
| Jan 20, 2:53 PM EST | Winter Weather Advisory | GYX | 23 hr |
| Jan 21, 4:01 AM EST | Winter Weather Advisory | CAR | 18 hr |
| Jan 21, 10:14 PM EST | Wind Chill Advisory | CAR | 13 hr |
| Jan 22, 4:00 PM EST | Wind Chill Watch | CAR | 24 hr |
| Jan 23, 4:02 AM EST | Wind Chill Warning | CAR | 32 hr |
| Jan 23, 4:02 AM EST | Wind Chill Advisory | CAR | 12 hr |
| Jan 23, 3:08 PM EST | Wind Chill Warning | GYX | 22 hr |
| Jan 24, 11:32 AM EST | Wind Chill Advisory | CAR | 9 hr |
| Jan 31, 4:02 AM EST | Wind Chill Advisory | CAR | 9 hr |
| Jan 31, 2:48 PM EST | Winter Storm Watch | GYX | 13 hr |
| Feb 1, 3:58 AM EST | Winter Storm Warning | GYX | 41 hr |
| Feb 1, 3:02 PM EST | Winter Weather Advisory | CAR | 37 hr |
| Feb 2, 2:57 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Feb 2, 10:00 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 5, 3:37 AM EST | Winter Storm Warning | GYX | 26 hr |
| Feb 5, 3:56 AM EST | Winter Storm Warning | CAR | 29 hr |
| Feb 5, 3:56 AM EST | Winter Weather Advisory | CAR | 28 hr |
| Feb 7, 3:28 PM EST | Winter Weather Advisory | CAR | 30 hr |
| Feb 7, 3:32 PM EST | Winter Weather Advisory | GYX | 19 hr |
| Feb 8, 3:32 PM EST | Wind Chill Advisory | CAR | 17 hr |
| Feb 13, 10:07 AM EST | Winter Storm Warning | CAR | 37 hr |
| Feb 13, 10:07 AM EST | Winter Weather Advisory | CAR | 37 hr |
| Feb 14, 3:04 PM EST | Wind Advisory | GYX | 19 hr |
| Feb 14, 3:08 PM EST | Wind Chill Advisory | CAR | 36 hr |
| Feb 17, 3:00 PM EST | Winter Weather Advisory | GYX | 12 hr |
| Feb 17, 3:14 PM EST | Winter Weather Advisory | CAR | 23 hr |
| Feb 18, 8:56 PM EST | Dense Fog Advisory | CAR | 6 hr |
| Feb 21, 3:17 PM EST | Wind Chill Advisory | CAR | 12 hr |
| Feb 23, 3:37 PM EST | Winter Storm Watch | GYX | 13 hr |
| Feb 23, 3:39 PM EST | Winter Storm Watch | CAR | 55 days |
| Feb 24, 4:21 AM EST | Winter Storm Warning | GYX | 42 hr |
| Feb 24, 4:03 PM EST | Winter Storm Warning | CAR | 32 hr |
| Feb 25, 10:34 AM EST | Winter Weather Advisory | CAR | 11 hr |
| Feb 25, 3:39 PM EST | Wind Chill Advisory | CAR | 20 hr |
| Feb 26, 12:09 AM EST | Winter Weather Advisory | CAR | 10 hr |
| Feb 27, 4:37 AM EST | Winter Storm Watch | CAR | 16 hr |
| Feb 27, 3:43 PM EST | Winter Storm Warning | GYX | 23 hr |
| Feb 27, 8:21 PM EST | Winter Storm Warning | CAR | 23 hr |
| Mar 2, 10:07 AM EST | Winter Weather Advisory | CAR | 8 hr |
| Mar 2, 3:01 PM EST | Wind Chill Advisory | GYX | 19 hr |
| Mar 2, 3:53 PM EST | Wind Chill Advisory | CAR | 20 hr |
| Mar 5, 5:02 AM EST | Winter Storm Watch | CAR | 24 hr |
| Mar 5, 3:30 PM EST | Winter Storm Watch | GYX | 12 hr |
| Mar 6, 3:39 AM EST | Winter Storm Warning | GYX | 36 hr |
| Mar 6, 4:33 AM EST | Winter Storm Warning | CAR | 35 hr |
| Mar 7, 3:10 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Mar 10, 3:32 AM EST | Winter Weather Advisory | CAR | 30 hr |
| Mar 10, 3:59 AM EST | Winter Weather Advisory | GYX | 30 hr |
| Mar 11, 12:22 PM EST | Areal Flood Advisory | GYX | 3 hr |
| Mar 17, 3:03 PM EDT | Wind Advisory | GYX | 29 hr |
| Mar 20, 2:50 PM EDT | Winter Storm Watch | CAR | 14 hr |
| Mar 20, 3:26 PM EDT | Winter Storm Warning | GYX | 23 hr |
| Mar 20, 3:26 PM EDT | Winter Weather Advisory | GYX | 43 hr |
| Mar 21, 4:39 AM EDT | Winter Weather Advisory | CAR | 31 hr |
| Mar 30, 5:06 AM EDT | Winter Storm Watch | GYX | 23 hr |
| Mar 30, 12:26 PM EDT | Winter Storm Watch | CAR | 16 hr |
| Mar 31, 3:44 AM EDT | Winter Storm Warning | GYX | 40 hr |
| Mar 31, 4:47 AM EDT | Winter Storm Warning | CAR | 50 hr |
| Apr 1, 11:46 AM EDT | Mesoscale Discussion | SPC | 4 hr |
| Apr 11, 3:30 AM EDT | Flood Watch | GYX | 64 hr |
| Apr 11, 5:26 PM EDT | Dense Fog Advisory | CAR | 11 hr |
| Apr 12, 3:47 PM EDT | Winter Weather Advisory | GYX | 24 hr |
| Apr 15, 3:11 PM EDT | Flood Watch | GYX | 53 hr |
| Apr 16, 3:40 AM EDT | Wind Advisory | GYX | 32 hr |
| Apr 17, 4:24 PM EDT | River Flood Warning | GYX | 22 hr |
| Apr 19, 3:17 PM EDT | Winter Weather Advisory | GYX | 29 hr |
| Apr 20, 3:52 AM EDT | Winter Storm Warning | CAR | 20 hr |
| Apr 27, 3:16 PM EDT | Flood Watch | CAR | 45 hr |
| Apr 27, 3:16 PM EDT | Flood Watch | GYX | 29 hr |
| Apr 27, 8:41 PM EDT | River Flood Warning | GYX | 4 days |
| Apr 28, 7:57 PM EDT | Special Weather Statement | GYX | 33 min |
| May 3, 1:13 PM EDT | Flood Watch | CAR | 69 hr |
| May 4, 3:18 AM EDT | Flood Watch | GYX | 19 hr |
| May 5, 2:25 PM EDT | River Flood Warning | GYX | 17 hr |
| May 14, 3:32 PM EDT | Flood Watch | GYX | 44 hr |
| May 16, 3:35 AM EDT | River Flood Warning | GYX | 57 hr |
| May 20, 7:07 PM EDT | Areal Flood Advisory | CAR | 3 hr |
| May 21, 10:51 AM EDT | Areal Flood Advisory | GYX | 6 hr |
| May 21, 10:14 PM EDT | River Flood Warning | GYX | 20 hr |
| May 26, 6:41 PM EDT | Severe Thunderstorm Warning | GYX | 34 min |
| May 26, 7:26 PM EDT | Severe Thunderstorm Warning | GYX | 49 min |
| May 27, 1:24 AM EDT | Flash Flood Warning | GYX | 3 hr |
| May 27, 1:18 PM EDT | Mesoscale Discussion | SPC | 87 min |
| May 27, 2:00 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 27, 5:14 PM EDT | Severe Thunderstorm Warning | GYX | 46 min |
| May 27, 5:33 PM EDT | Special Weather Statement | GYX | 27 min |
| May 27, 5:49 PM EDT | Mesoscale Discussion | SPC | 56 min |
| May 27, 6:19 PM EDT | Severe Thunderstorm Warning | GYX | 41 min |
| May 27, 6:57 PM EDT | Severe Thunderstorm Warning | GYX | 33 min |
| May 27, 8:55 PM EDT | Areal Flood Warning | GYX | 4 hr |
| May 27, 8:56 PM EDT | Severe Thunderstorm Warning | GYX | 64 min |
| May 27, 9:37 PM EDT | Severe Thunderstorm Warning | GYX | 53 min |
| May 28, 12:00 PM EDT | River Flood Warning | GYX | 48 hr |
| May 30, 6:49 PM EDT | Frost Advisory | CAR | 9 hr |
| Jun 1, 2:19 PM EDT | Mesoscale Discussion | SPC | 86 min |
| Jun 1, 2:27 PM EDT | Severe Thunderstorm Warning | CAR | 48 min |
| Jun 1, 2:37 PM EDT | Tornado Watch | SPC | 5 hr |
| Jun 1, 3:07 PM EDT | Severe Thunderstorm Warning | GYX | 38 min |
| Jun 1, 3:41 PM EDT | Severe Thunderstorm Warning | GYX | 34 min |
| Jun 1, 4:13 PM EDT | Severe Thunderstorm Warning | GYX | 47 min |
| Jun 1, 4:17 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Jun 1, 5:15 PM EDT | Severe Thunderstorm Warning | GYX | 45 min |
| Jun 1, 5:31 PM EDT | Tornado Warning | GYX | 29 min |
| Jun 1, 5:59 PM EDT | Severe Thunderstorm Warning | GYX | 46 min |
| Jun 1, 6:06 PM EDT | Tornado Warning | GYX | 24 min |
| Jun 1, 6:49 PM EDT | Areal Flood Advisory | GYX | 3 hr |
| Jun 1, 7:09 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Jun 1, 7:13 PM EDT | Severe Thunderstorm Warning | GYX | 32 min |
| Jun 1, 7:40 PM EDT | Tornado Watch | SPC | 2 hr |
| Jun 1, 9:43 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Jun 8, 6:41 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Jun 8, 7:20 PM EDT | Special Weather Statement | GYX | 25 min |
| Jun 8, 7:27 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 9, 12:06 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 9, 12:36 PM EDT | Special Weather Statement | GYX | 39 min |
| Jun 9, 1:11 PM EDT | Special Weather Statement | GYX | 34 min |
| Jun 9, 3:18 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Jun 9, 4:24 PM EDT | Special Weather Statement | GYX | 66 min |
| Jun 9, 4:43 PM EDT | Severe Thunderstorm Warning | GYX | 35 min |
| Jun 16, 2:21 PM EDT | Special Weather Statement | GYX | 24 min |
| Jun 16, 2:56 PM EDT | Severe Thunderstorm Warning | GYX | 49 min |
| Jun 16, 3:18 PM EDT | Areal Flood Advisory | GYX | 36 min |
| Jun 18, 3:25 PM EDT | Special Weather Statement | GYX | 50 min |
| Jun 18, 3:47 PM EDT | Severe Thunderstorm Warning | GYX | 43 min |
| Jun 18, 4:15 PM EDT | Severe Thunderstorm Warning | GYX | 45 min |
| Jun 29, 4:26 PM EDT | Severe Thunderstorm Warning | GYX | 34 min |
| Jun 29, 5:33 PM EDT | Areal Flood Advisory | GYX | 87 min |
| Jun 29, 5:35 PM EDT | Severe Thunderstorm Warning | GYX | 40 min |
| Jul 3, 10:15 AM EDT | Flash Flood Watch | CAR | 15 hr |
| Jul 3, 11:46 PM EDT | Special Weather Statement | GYX | 44 min |
| Jul 4, 12:25 AM EDT | Special Weather Statement | GYX | 50 min |
| Jul 4, 11:31 AM EDT | Mesoscale Discussion | SPC | 89 min |
| Jul 4, 12:10 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 4, 12:22 PM EDT | Areal Flood Advisory | GYX | 3 hr |
| Jul 4, 12:32 PM EDT | Special Weather Statement | GYX | 43 min |
| Jul 4, 12:35 PM EDT | Severe Thunderstorm Warning | CAR | 40 min |
| Jul 4, 12:55 PM EDT | Severe Thunderstorm Warning | GYX | 50 min |
| Jul 4, 1:16 PM EDT | Severe Thunderstorm Warning | CAR | 59 min |
| Jul 4, 1:30 PM EDT | Severe Thunderstorm Warning | GYX | 45 min |
| Jul 4, 2:09 PM EDT | Severe Thunderstorm Warning | GYX | 51 min |
| Jul 4, 2:14 PM EDT | Severe Thunderstorm Warning | GYX | 61 min |
| Jul 4, 2:48 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Jul 4, 2:50 PM EDT | Severe Thunderstorm Warning | GYX | 40 min |
| Jul 4, 3:22 PM EDT | Severe Thunderstorm Warning | GYX | 38 min |
| Jul 6, 1:29 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 6, 4:44 PM EDT | Special Weather Statement | GYX | 46 min |
| Jul 6, 5:14 PM EDT | Severe Thunderstorm Warning | GYX | 46 min |
| Jul 6, 5:35 PM EDT | Severe Thunderstorm Warning | GYX | 40 min |
| Jul 6, 5:49 PM EDT | Severe Thunderstorm Warning | CAR | 56 min |
| Jul 6, 6:03 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Jul 6, 6:11 PM EDT | Severe Thunderstorm Warning | GYX | 49 min |
| Jul 6, 7:01 PM EDT | Severe Thunderstorm Warning | GYX | 29 min |
| Jul 11, 4:45 PM EDT | Mesoscale Discussion | SPC | 60 min |
| Jul 11, 4:51 PM EDT | Severe Thunderstorm Warning | CAR | 54 min |
| Jul 11, 5:01 PM EDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Jul 20, 7:32 PM EDT | Severe Thunderstorm Warning | CAR | 43 min |
| Jul 20, 9:09 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Jul 21, 12:02 PM EDT | Special Weather Statement | GYX | 58 min |
| Jul 21, 12:14 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 21, 12:36 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 21, 4:33 PM EDT | Mesoscale Discussion | SPC | 57 min |
| Jul 21, 8:08 PM EDT | Heat Advisory | GYX | 22 hr |
| Jul 21, 8:50 PM EDT | Mesoscale Discussion | SPC | 85 min |
| Jul 23, 4:08 PM EDT | Severe Thunderstorm Warning | CAR | 67 min |
| Jul 23, 4:46 PM EDT | Mesoscale Discussion | SPC | 59 min |
| Jul 26, 2:30 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 26, 6:17 PM EDT | Mesoscale Discussion | SPC | 58 min |
| Jul 26, 6:44 PM EDT | Severe Thunderstorm Warning | GYX | 33 min |
| Jul 26, 7:19 PM EDT | Severe Thunderstorm Warning | GYX | 56 min |
| Jul 26, 8:10 PM EDT | Mesoscale Discussion | SPC | 65 min |
| Aug 1, 2:00 PM EDT | Severe Thunderstorm Warning | CAR | 60 min |
| Aug 1, 2:00 PM EDT | Special Weather Statement | GYX | 30 min |
| Aug 1, 2:15 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Aug 1, 2:24 PM EDT | Special Weather Statement | GYX | 36 min |
| Aug 1, 3:08 PM EDT | Special Weather Statement | GYX | 37 min |
| Aug 1, 3:48 PM EDT | Special Weather Statement | GYX | 42 min |
| Aug 1, 5:09 PM EDT | Special Weather Statement | GYX | 51 min |
| Aug 1, 6:20 PM EDT | Areal Flood Advisory | GYX | 115 min |
| Aug 1, 6:25 PM EDT | Severe Thunderstorm Warning | GYX | 35 min |
| Aug 1, 6:40 PM EDT | Flash Flood Warning | GYX | 2 hr |
| Aug 1, 6:59 PM EDT | Severe Thunderstorm Warning | GYX | 16 min |
| Aug 1, 8:41 PM EDT | Flash Flood Warning | GYX | 2 hr |
| Aug 2, 10:42 AM EDT | Mesoscale Discussion | SPC | 63 min |
| Aug 2, 10:56 AM EDT | Severe Thunderstorm Warning | GYX | 34 min |
| Aug 2, 12:50 PM EDT | Severe Thunderstorm Warning | GYX | 40 min |
| Aug 2, 2:27 PM EDT | Areal Flood Warning | CAR | 4 hr |
| Aug 2, 2:43 PM EDT | Special Weather Statement | GYX | 32 min |
| Aug 7, 3:22 AM EDT | Special Weather Statement | GYX | 38 min |
| Aug 7, 2:40 PM EDT | Areal Flood Advisory | CAR | 3 hr |
| Aug 16, 6:38 AM EDT | Areal Flood Advisory | CAR | 3 hr |
| Aug 19, 2:44 PM EDT | Special Weather Statement | GYX | 61 min |
| Aug 19, 4:28 PM EDT | Severe Thunderstorm Warning | GYX | 47 min |
| Aug 19, 6:35 PM EDT | Special Weather Statement | GYX | 55 min |
| Aug 21, 2:29 PM EDT | Special Weather Statement | GYX | 46 min |
| Aug 21, 2:50 PM EDT | Severe Thunderstorm Warning | GYX | 55 min |
| Aug 21, 3:05 PM EDT | Mesoscale Discussion | SPC | 55 min |
| Aug 21, 3:24 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 21, 4:20 PM EDT | Special Weather Statement | GYX | 40 min |
| Aug 21, 5:00 PM EDT | Special Weather Statement | GYX | 45 min |
| Aug 26, 3:03 PM EDT | Flood Watch | GYX | 57 hr |
| Aug 26, 5:02 PM EDT | Tropical Storm Watch | CAR | 19 hr |
| Aug 26, 5:17 PM EDT | Tropical Storm Watch | GYX | 18 hr |
| Aug 26, 5:27 PM EDT | Flood Watch | CAR | 54 hr |
| Aug 27, 11:40 AM EDT | Tropical Storm Warning | GYX | 36 hr |
| Aug 27, 11:46 AM EDT | Tropical Storm Warning | CAR | 36 hr |
| Aug 27, 5:50 PM EDT | Areal Flood Advisory | GYX | 85 min |
| Aug 28, 2:28 PM EDT | Flash Flood Warning | CAR | 3 hr |
| Aug 28, 5:27 PM EDT | Areal Flood Warning | CAR | 6 hr |
| Aug 28, 7:58 PM EDT | River Flood Warning | GYX | 12 hr |
| Aug 28, 10:03 PM EDT | River Flood Warning | GYX | 31 hr |
| Aug 28, 10:03 PM EDT | River Flood Warning | GYX | 7 hr |
| Aug 28, 11:20 PM EDT | High Wind Warning | CAR | 12 hr |
| Sep 4, 3:46 AM EDT | Flood Watch | GYX | 18 hr |
| Sep 4, 12:17 PM EDT | Mesoscale Discussion | SPC | 58 min |
| Sep 4, 1:01 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Sep 4, 1:10 PM EDT | Severe Thunderstorm Warning | CAR | 65 min |
| Sep 4, 1:19 PM EDT | Special Weather Statement | GYX | 56 min |
| Sep 4, 1:35 PM EDT | Severe Thunderstorm Warning | GYX | 55 min |
| Sep 4, 1:54 PM EDT | Severe Thunderstorm Warning | GYX | 66 min |
| Sep 4, 2:24 PM EDT | Severe Thunderstorm Warning | GYX | 66 min |
| Sep 4, 3:07 PM EDT | Severe Thunderstorm Warning | GYX | 53 min |
| Sep 4, 3:18 PM EDT | Flood Watch | CAR | 43 hr |
| Sep 4, 3:55 PM EDT | Severe Thunderstorm Warning | GYX | 44 min |
| Sep 4, 4:07 PM EDT | Mesoscale Discussion | SPC | 53 min |
| Sep 4, 4:25 PM EDT | Severe Thunderstorm Warning | GYX | 35 min |
| Sep 4, 5:47 PM EDT | Severe Thunderstorm Warning | GYX | 58 min |
| Sep 4, 6:37 PM EDT | Areal Flood Advisory | GYX | 113 min |
| Sep 4, 6:53 PM EDT | Special Weather Statement | GYX | 52 min |
| Sep 4, 7:50 PM EDT | Areal Flood Advisory | GYX | 115 min |
| Sep 4, 9:23 PM EDT | Flash Flood Watch | GYX | 29 hr |
| Sep 4, 9:40 PM EDT | Areal Flood Advisory | GYX | 3 hr |
| Sep 5, 6:55 PM EDT | Areal Flood Advisory | GYX | 3 hr |
| Sep 6, 10:47 AM EDT | River Flood Warning | GYX | 19 hr |
| Sep 10, 5:03 AM EDT | Frost Advisory | CAR | 26 hr |
| Sep 10, 9:07 AM EDT | Frost Advisory | GYX | 22 hr |
| Sep 13, 3:22 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Sep 13, 9:39 PM EDT | Special Weather Statement | GYX | 66 min |
| Sep 15, 7:19 PM EDT | Freeze Watch | GYX | 8 hr |
| Sep 16, 3:06 AM EDT | Frost Advisory | GYX | 29 hr |
| Sep 16, 3:06 AM EDT | Freeze Warning | GYX | 29 hr |
| Sep 16, 3:35 AM EDT | Freeze Watch | CAR | 23 hr |
| Sep 17, 2:43 AM EDT | Freeze Warning | CAR | 28 hr |
| Sep 17, 2:56 PM EDT | Frost Advisory | GYX | 17 hr |
| Sep 17, 2:56 PM EDT | Freeze Warning | GYX | 17 hr |
| Sep 18, 2:18 PM EDT | Frost Advisory | GYX | 17 hr |
| Sep 18, 3:52 PM EDT | Frost Advisory | CAR | 14 hr |
| Sep 25, 3:48 AM EDT | Dense Fog Advisory | CAR | 4 hr |
| Oct 5, 3:14 AM EDT | Freeze Warning | GYX | 28 hr |
| Oct 15, 3:22 AM EDT | Wind Advisory | CAR | 12 hr |
| Oct 28, 3:43 AM EDT | Winter Storm Watch | CAR | 34 hr |
| Oct 28, 3:45 AM EDT | Winter Storm Watch | GYX | 22 hr |
| Oct 29, 1:53 AM EDT | Winter Storm Warning | GYX | 32 hr |
| Oct 29, 1:49 PM EDT | Winter Weather Advisory | CAR | 20 hr |
| Nov 21, 3:00 PM EST | Winter Storm Watch | GYX | 13 hr |
| Nov 22, 3:57 AM EST | Winter Storm Warning | GYX | 35 hr |
| Dec 7, 3:46 AM EST | Winter Weather Advisory | GYX | 11 hr |
| Dec 7, 4:11 AM EST | Winter Storm Watch | CAR | 11 hr |
| Dec 7, 2:52 PM EST | Winter Storm Warning | GYX | 16 hr |
| Dec 7, 2:52 PM EST | Winter Weather Advisory | GYX | 16 hr |
| Dec 7, 3:15 PM EST | Winter Storm Warning | CAR | 18 hr |
| Dec 8, 3:45 AM EST | Wind Advisory | CAR | 12 hr |
| Dec 14, 3:02 PM EST | Winter Weather Advisory | CAR | 24 hr |
| Dec 14, 3:09 PM EST | Winter Weather Advisory | GYX | 21 hr |
| Dec 15, 3:55 PM EST | Wind Advisory | GYX | 23 hr |
| Dec 16, 2:30 AM EST | Wind Advisory | CAR | 13 hr |
| Dec 21, 3:35 AM EST | Winter Weather Advisory | CAR | 24 hr |
| Dec 21, 3:58 AM EST | Winter Weather Advisory | GYX | 23 hr |
| Dec 21, 3:28 PM EST | Winter Weather Advisory | GYX | 6 hr |
| Dec 25, 5:25 PM EST | Winter Weather Advisory | GYX | 11 hr |
| Dec 27, 5:13 PM EST | Freezing Rain Advisory | GYX | 5 hr |
| Dec 27, 7:50 PM EST | Freezing Rain Advisory | CAR | 7 hr |
| Dec 28, 2:54 AM EST | Wind Chill Advisory | GYX | 30 hr |
| Dec 28, 3:16 AM EST | Wind Chill Advisory | CAR | 28 hr |
| Dec 29, 3:07 PM EST | Wind Chill Advisory | CAR | 11 hr |
| Dec 30, 3:36 AM EST | Winter Weather Advisory | GYX | 35 hr |
| Dec 30, 4:09 AM EST | Winter Weather Advisory | CAR | 39 hr |
| Dec 31, 8:33 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Dec 31, 12:16 PM EST | Mesoscale Discussion | SPC | 4 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.