Alert archive / New York / Herkimer County
Weather alerts in Herkimer County, New York, 2011
257 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Herkimer County and its neighbors
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Alerts
- 257
- Warnings
- 87
- Watches
- 41
- Advisories
- 61
- Busiest month
- April48 alerts
- Busiest day
- April 28, 201122 alerts
Over time
By month
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 4, 9:05 PM EST | Lake Effect Snow Advisory | ALY | 3 hr |
| Jan 5, 12:19 AM EST | Lake Effect Snow Warning | ALY | 6 hr |
| Jan 6, 4:33 AM EST | Winter Storm Watch | ALY | 23 hr |
| Jan 7, 3:30 AM EST | Winter Storm Warning | ALY | 31 hr |
| Jan 7, 3:30 AM EST | Winter Weather Advisory | ALY | 31 hr |
| Jan 11, 11:55 AM EST | Winter Weather Advisory | ALY | 34 hr |
| Jan 15, 3:23 AM EST | Lake Effect Snow Watch | ALY | 13 hr |
| Jan 15, 3:23 AM EST | Lake Effect Snow Warning | ALY | 37 hr |
| Jan 17, 4:23 PM EST | Winter Weather Advisory | ALY | 34 hr |
| Jan 20, 3:57 AM EST | Winter Weather Advisory | ALY | 32 hr |
| Jan 21, 4:33 PM EST | Wind Chill Advisory | ALY | 11 hr |
| Jan 21, 8:35 PM EST | Lake Effect Snow Advisory | ALY | 7 hr |
| Jan 22, 4:04 PM EST | Wind Chill Watch | ALY | 24 hr |
| Jan 23, 4:14 PM EST | Wind Chill Warning | ALY | 17 hr |
| Jan 23, 4:14 PM EST | Wind Chill Advisory | ALY | 17 hr |
| Jan 31, 3:39 AM EST | Winter Storm Watch | ALY | 12 hr |
| Jan 31, 3:15 PM EST | Winter Storm Warning | ALY | 52 hr |
| Feb 2, 2:57 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Feb 4, 4:24 PM EST | Winter Storm Watch | ALY | 12 hr |
| Feb 5, 4:39 AM EST | Winter Storm Warning | ALY | 22 hr |
| Feb 5, 4:39 AM EST | Winter Weather Advisory | ALY | 22 hr |
| Feb 5, 4:45 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Feb 7, 3:46 PM EST | Winter Weather Advisory | ALY | 23 hr |
| Feb 9, 7:45 PM EST | Lake Effect Snow Advisory | ALY | 10 hr |
| Feb 10, 11:55 AM EST | Wind Chill Advisory | ALY | 22 hr |
| Feb 14, 4:35 AM EST | Wind Advisory | ALY | 24 hr |
| Feb 14, 3:10 PM EST | Wind Chill Warning | ALY | 13 hr |
| Feb 18, 4:03 AM EST | Wind Advisory | ALY | 41 hr |
| Feb 18, 3:36 PM EST | High Wind Warning | ALY | 30 hr |
| Feb 19, 9:55 AM EST | Winter Weather Advisory | ALY | 8 hr |
| Feb 20, 4:07 AM EST | Winter Weather Advisory | ALY | 32 hr |
| Feb 21, 3:28 PM EST | Wind Chill Advisory | ALY | 17 hr |
| Feb 23, 3:55 PM EST | Winter Storm Watch | ALY | 24 hr |
| Feb 24, 4:31 AM EST | Winter Storm Warning | ALY | 39 hr |
| Feb 25, 4:28 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 26, 2:20 PM EST | Winter Weather Advisory | ALY | 20 hr |
| Feb 27, 2:47 PM EST | Winter Weather Advisory | ALY | 21 hr |
| Feb 28, 9:13 AM EST | Areal Flood Advisory | ALY | 6 hr |
| Mar 5, 4:25 AM EST | Winter Storm Watch | ALY | 23 hr |
| Mar 5, 4:01 PM EST | Flood Watch | ALY | 42 hr |
| Mar 5, 4:07 PM EST | Winter Storm Warning | ALY | 44 hr |
| Mar 6, 12:40 AM EST | Areal Flood Advisory | ALY | 6 hr |
| Mar 6, 7:32 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Mar 7, 6:58 AM EST | Areal Flood Warning | ALY | 5 hr |
| Mar 7, 9:37 AM EST | River Flood Warning | ALY | 23 hr |
| Mar 8, 2:58 PM EST | Areal Flood Advisory | ALY | 4 hr |
| Mar 9, 1:00 PM EST | Flood Watch | ALY | 53 hr |
| Mar 10, 3:52 PM EST | Wind Advisory | ALY | 12 hr |
| Mar 11, 5:24 AM EST | Areal Flood Advisory | ALY | 3 hr |
| Mar 11, 7:57 AM EST | River Flood Warning | ALY | 71 hr |
| Mar 15, 4:29 PM EDT | Winter Weather Advisory | ALY | 20 hr |
| Mar 17, 3:45 PM EDT | Wind Advisory | ALY | 26 hr |
| Mar 20, 2:44 PM EDT | Winter Weather Advisory | ALY | 25 hr |
| Mar 30, 4:22 AM EDT | Winter Storm Watch | ALY | 23 hr |
| Mar 31, 3:42 AM EDT | Winter Weather Advisory | ALY | 34 hr |
| Apr 3, 3:01 PM EDT | Flood Watch | ALY | 39 hr |
| Apr 4, 3:56 PM EDT | River Flood Warning | ALY | 26 hr |
| Apr 11, 12:26 PM EDT | Flood Watch | ALY | 25 hr |
| Apr 11, 6:43 PM EDT | Mesoscale Discussion | SPC | 62 min |
| Apr 13, 12:26 PM EDT | River Flood Warning | ALY | 51 hr |
| Apr 15, 3:56 PM EDT | Wind Advisory | ALY | 37 hr |
| Apr 16, 4:32 AM EDT | High Wind Warning | ALY | 24 hr |
| Apr 17, 5:14 AM EDT | Wind Advisory | ALY | 16 hr |
| Apr 20, 4:52 AM EDT | Flood Watch | ALY | 9 min |
| Apr 20, 5:05 AM EDT | Flood Watch | ALY | 11 hr |
| Apr 25, 3:27 PM EDT | Flood Watch | ALY | 45 hr |
| Apr 26, 6:11 AM EDT | River Flood Warning | ALY | 5 days |
| Apr 26, 1:49 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 26, 3:22 PM EDT | Special Weather Statement | ALY | 23 min |
| Apr 26, 3:30 PM EDT | Special Weather Statement | ALY | 30 min |
| Apr 26, 3:40 PM EDT | Severe Thunderstorm Warning | ALY | 46 min |
| Apr 26, 4:12 PM EDT | Mesoscale Discussion | SPC | 63 min |
| Apr 26, 4:55 PM EDT | Tornado Warning | ALY | 50 min |
| Apr 26, 6:17 PM EDT | River Flood Warning | ALY | 4 days |
| Apr 26, 6:19 PM EDT | Special Weather Statement | ALY | 26 min |
| Apr 26, 6:51 PM EDT | Mesoscale Discussion | SPC | 54 min |
| Apr 26, 8:58 PM EDT | Special Weather Statement | ALY | 47 min |
| Apr 27, 11:41 AM EDT | River Flood Warning | ALY | 8 hr |
| Apr 27, 3:40 PM EDT | River Flood Warning | ALY | 66 hr |
| Apr 27, 5:01 PM EDT | Flash Flood Watch | ALY | 22 hr |
| Apr 27, 8:15 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Apr 27, 10:45 PM EDT | Mesoscale Discussion | SPC | 60 min |
| Apr 27, 10:56 PM EDT | Special Weather Statement | ALY | 34 min |
| Apr 27, 11:07 PM EDT | Areal Flood Advisory | ALY | 4 hr |
| Apr 27, 11:29 PM EDT | Severe Thunderstorm Warning | ALY | 35 min |
| Apr 28, 2:20 AM EDT | Mesoscale Discussion | SPC | 55 min |
| Apr 28, 3:32 AM EDT | Mesoscale Discussion | SPC | 28 min |
| Apr 28, 3:55 AM EDT | Tornado Warning | ALY | 50 min |
| Apr 28, 4:05 AM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 28, 4:12 AM EDT | Tornado Warning | ALY | 48 min |
| Apr 28, 4:58 AM EDT | Tornado Warning | ALY | 47 min |
| Apr 28, 5:21 AM EDT | Flash Flood Warning | ALY | 3 hr |
| Apr 28, 5:32 AM EDT | Tornado Warning | ALY | 43 min |
| Apr 28, 5:45 AM EDT | Severe Thunderstorm Warning | ALY | 45 min |
| Apr 28, 7:40 AM EDT | Areal Flood Warning | ALY | 4 hr |
| Apr 28, 8:03 AM EDT | River Flood Warning | ALY | 71 hr |
| Apr 28, 8:24 AM EDT | Areal Flood Warning | ALY | 4 hr |
| Apr 28, 9:45 AM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 28, 10:20 AM EDT | Wind Advisory | ALY | 7 hr |
| Apr 28, 11:49 AM EDT | Mesoscale Discussion | SPC | 56 min |
| Apr 28, 12:04 PM EDT | River Flood Warning | ALY | 25 hr |
| Apr 28, 12:31 PM EDT | Areal Flood Advisory | ALY | 18 hr |
| Apr 28, 8:26 PM EDT | River Flood Warning | ALY | 49 hr |
| May 2, 3:48 PM EDT | Flood Watch | ALY | 48 hr |
| May 3, 9:21 PM EDT | Areal Flood Advisory | ALY | 6 hr |
| May 4, 3:21 AM EDT | Areal Flood Advisory | ALY | 6 hr |
| May 19, 10:47 AM EDT | Mesoscale Discussion | SPC | 88 min |
| May 19, 4:32 PM EDT | River Flood Warning | ALY | 20 hr |
| May 20, 4:03 PM EDT | Flash Flood Warning | ALY | 6 hr |
| May 26, 11:55 AM EDT | Mesoscale Discussion | SPC | 95 min |
| May 26, 2:16 PM EDT | Tornado Watch | SPC | 8 hr |
| May 26, 2:57 PM EDT | Mesoscale Discussion | SPC | 63 min |
| May 26, 3:31 PM EDT | Severe Thunderstorm Warning | ALY | 59 min |
| May 26, 4:28 PM EDT | Severe Thunderstorm Warning | ALY | 31 min |
| May 26, 4:53 PM EDT | Special Weather Statement | ALY | 22 min |
| May 26, 5:16 PM EDT | Special Weather Statement | ALY | 29 min |
| May 26, 5:29 PM EDT | Severe Thunderstorm Warning | ALY | 61 min |
| May 26, 6:15 PM EDT | Special Weather Statement | ALY | 45 min |
| May 26, 6:30 PM EDT | Severe Thunderstorm Warning | ALY | 60 min |
| May 26, 6:41 PM EDT | Mesoscale Discussion | SPC | 64 min |
| May 26, 6:54 PM EDT | Severe Thunderstorm Warning | ALY | 66 min |
| May 26, 7:59 PM EDT | Special Weather Statement | ALY | 46 min |
| May 26, 8:05 PM EDT | Severe Thunderstorm Warning | ALY | 40 min |
| May 27, 2:00 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 27, 3:10 PM EDT | Special Weather Statement | ALY | 35 min |
| May 27, 3:16 PM EDT | Severe Thunderstorm Warning | ALY | 59 min |
| May 27, 7:34 PM EDT | Severe Thunderstorm Warning | ALY | 56 min |
| May 27, 9:22 PM EDT | Special Weather Statement | ALY | 23 min |
| May 27, 9:28 PM EDT | Severe Thunderstorm Warning | ALY | 62 min |
| May 27, 10:56 PM EDT | Areal Flood Advisory | ALY | 3 hr |
| May 27, 11:34 PM EDT | Severe Thunderstorm Warning | ALY | 56 min |
| May 27, 11:41 PM EDT | Flash Flood Warning | ALY | 3 hr |
| May 29, 1:02 PM EDT | Mesoscale Discussion | SPC | 58 min |
| May 29, 9:23 PM EDT | Flash Flood Watch | ALY | 6 hr |
| May 30, 12:28 AM EDT | Mesoscale Discussion | SPC | 92 min |
| May 30, 1:20 AM EDT | Special Weather Statement | ALY | 40 min |
| Jun 1, 4:36 AM EDT | Special Weather Statement | ALY | 24 min |
| Jun 1, 4:53 AM EDT | Severe Thunderstorm Warning | ALY | 56 min |
| Jun 1, 5:19 AM EDT | Special Weather Statement | ALY | 26 min |
| Jun 1, 5:32 AM EDT | Severe Thunderstorm Warning | ALY | 58 min |
| Jun 1, 6:07 AM EDT | Severe Thunderstorm Warning | ALY | 53 min |
| Jun 1, 9:38 AM EDT | Mesoscale Discussion | SPC | 37 min |
| Jun 1, 10:02 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 1, 11:36 AM EDT | Severe Thunderstorm Warning | ALY | 54 min |
| Jun 2, 2:52 AM EDT | Frost Advisory | ALY | 27 hr |
| Jun 3, 3:01 AM EDT | Frost Advisory | ALY | 28 hr |
| Jun 8, 3:46 PM EDT | Mesoscale Discussion | SPC | 59 min |
| Jun 8, 4:15 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 8, 5:33 PM EDT | Severe Thunderstorm Warning | ALY | 57 min |
| Jun 8, 5:43 PM EDT | Severe Thunderstorm Warning | ALY | 62 min |
| Jun 8, 5:56 PM EDT | Severe Thunderstorm Warning | ALY | 64 min |
| Jun 8, 6:40 PM EDT | Severe Thunderstorm Warning | ALY | 65 min |
| Jun 8, 7:45 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Jun 8, 8:36 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Jun 8, 8:57 PM EDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Jun 8, 9:36 PM EDT | Severe Thunderstorm Warning | ALY | 69 min |
| Jun 9, 10:36 AM EDT | Mesoscale Discussion | SPC | 84 min |
| Jun 9, 11:59 AM EDT | Severe Thunderstorm Warning | ALY | 61 min |
| Jun 9, 12:06 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 9, 12:42 PM EDT | Severe Thunderstorm Warning | ALY | 63 min |
| Jun 9, 3:18 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Jun 9, 5:52 PM EDT | Special Weather Statement | ALY | 38 min |
| Jun 22, 4:10 AM EDT | Flash Flood Watch | ALY | 37 hr |
| Jun 24, 11:42 AM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 24, 6:02 PM EDT | Special Weather Statement | ALY | 43 min |
| Jun 24, 6:27 PM EDT | Special Weather Statement | ALY | 48 min |
| Jun 24, 6:46 PM EDT | Areal Flood Advisory | ALY | 3 hr |
| Jun 24, 6:59 PM EDT | Flash Flood Warning | ALY | 4 hr |
| Jun 24, 7:57 PM EDT | Flash Flood Warning | ALY | 4 hr |
| Jun 24, 10:50 PM EDT | River Flood Warning | ALY | 115 min |
| Jun 28, 1:19 PM EDT | Mesoscale Discussion | SPC | 86 min |
| Jun 28, 5:35 PM EDT | Severe Thunderstorm Warning | ALY | 55 min |
| Jun 28, 6:30 PM EDT | Severe Thunderstorm Warning | ALY | 60 min |
| Jun 28, 7:54 PM EDT | Areal Flood Advisory | ALY | 3 hr |
| Jul 3, 4:58 AM EDT | Special Weather Statement | ALY | 32 min |
| Jul 3, 5:30 AM EDT | Special Weather Statement | ALY | 30 min |
| Jul 6, 1:04 PM EDT | Mesoscale Discussion | SPC | 56 min |
| Jul 6, 1:29 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 6, 3:24 PM EDT | Special Weather Statement | ALY | 36 min |
| Jul 6, 4:34 PM EDT | Severe Thunderstorm Warning | ALY | 56 min |
| Jul 6, 6:03 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Jul 13, 2:43 PM EDT | Special Weather Statement | ALY | 62 min |
| Jul 18, 3:58 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Jul 20, 4:22 AM EDT | Excessive Heat Watch | ALY | 36 hr |
| Jul 20, 3:52 PM EDT | Heat Advisory | ALY | 28 hr |
| Jul 21, 3:17 PM EDT | Mesoscale Discussion | SPC | 58 min |
| Jul 25, 11:12 AM EDT | Mesoscale Discussion | SPC | 63 min |
| Jul 25, 11:37 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 25, 3:16 PM EDT | Mesoscale Discussion | SPC | 59 min |
| Jul 26, 11:05 AM EDT | Mesoscale Discussion | SPC | 55 min |
| Jul 26, 11:28 AM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 26, 12:55 PM EDT | Severe Thunderstorm Warning | ALY | 65 min |
| Jul 26, 3:39 PM EDT | Mesoscale Discussion | SPC | 66 min |
| Aug 7, 3:53 PM EDT | Mesoscale Discussion | SPC | 67 min |
| Aug 9, 4:16 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 9, 5:03 PM EDT | Special Weather Statement | ALY | 57 min |
| Aug 9, 5:57 PM EDT | Special Weather Statement | ALY | 63 min |
| Aug 9, 6:13 PM EDT | Areal Flood Advisory | ALY | 2 hr |
| Aug 15, 6:02 PM EDT | Areal Flood Advisory | ALY | 6 hr |
| Aug 16, 12:06 AM EDT | Areal Flood Advisory | ALY | 3 hr |
| Aug 21, 1:20 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 21, 7:12 PM EDT | Mesoscale Discussion | SPC | 63 min |
| Aug 25, 4:38 AM EDT | Special Weather Statement | ALY | 37 min |
| Aug 26, 4:47 AM EDT | Flood Watch | ALY | 66 hr |
| Aug 26, 5:21 AM EDT | Tropical Storm Watch | ALY | 36 hr |
| Aug 27, 5:34 AM EDT | Tropical Storm Warning | ALY | 41 hr |
| Aug 28, 12:27 PM EDT | Flash Flood Warning | ALY | 6 hr |
| Aug 28, 6:09 PM EDT | Areal Flood Warning | ALY | 14 hr |
| Aug 28, 6:38 PM EDT | River Flood Warning | ALY | 5 hr |
| Aug 29, 12:51 PM EDT | River Flood Warning | ALY | 18 hr |
| Sep 3, 4:07 AM EDT | Flash Flood Watch | ALY | 3 days |
| Sep 4, 1:33 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Sep 4, 2:43 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Sep 4, 3:08 PM EDT | Severe Thunderstorm Warning | ALY | 67 min |
| Sep 4, 5:32 PM EDT | Flash Flood Warning | ALY | 12 hr |
| Sep 4, 6:06 PM EDT | Mesoscale Discussion | SPC | 54 min |
| Sep 6, 1:03 PM EDT | Flood Watch | ALY | 47 hr |
| Sep 7, 10:32 AM EDT | Areal Flood Advisory | ALY | 6 hr |
| Sep 7, 4:42 PM EDT | Areal Flood Advisory | ALY | 6 hr |
| Sep 7, 5:53 PM EDT | Areal Flood Warning | ALY | 12 hr |
| Sep 7, 5:59 PM EDT | River Flood Warning | ALY | 3 days |
| Sep 7, 5:59 PM EDT | River Flood Warning | ALY | 24 hr |
| Sep 7, 5:59 PM EDT | River Flood Warning | ALY | 14 hr |
| Sep 8, 4:43 PM EDT | Areal Flood Warning | ALY | 6 hr |
| Sep 13, 2:44 PM EDT | Mesoscale Discussion | SPC | 91 min |
| Sep 13, 7:05 PM EDT | Severe Thunderstorm Warning | ALY | 55 min |
| Sep 13, 7:17 PM EDT | Tornado Warning | ALY | 33 min |
| Sep 13, 8:02 PM EDT | Special Weather Statement | ALY | 28 min |
| Sep 15, 3:51 PM EDT | Freeze Warning | ALY | 14 hr |
| Sep 16, 3:12 AM EDT | Frost Advisory | ALY | 29 hr |
| Sep 16, 3:12 AM EDT | Freeze Warning | ALY | 29 hr |
| Sep 17, 3:16 AM EDT | Freeze Warning | ALY | 26 hr |
| Sep 18, 2:43 PM EDT | Frost Advisory | ALY | 17 hr |
| Sep 27, 6:26 PM EDT | Flash Flood Warning | ALY | 6 hr |
| Sep 28, 9:16 AM EDT | Flood Watch | ALY | 35 hr |
| Sep 29, 5:48 AM EDT | Special Weather Statement | ALY | 42 min |
| Oct 5, 4:27 AM EDT | Freeze Warning | ALY | 30 hr |
| Oct 6, 2:01 PM EDT | Frost Advisory | ALY | 19 hr |
| Oct 14, 12:26 PM EDT | Areal Flood Advisory | ALY | 3 hr |
| Oct 14, 12:30 PM EDT | Special Weather Statement | ALY | 45 min |
| Oct 14, 1:50 PM EDT | Flash Flood Warning | ALY | 6 hr |
| Oct 14, 2:31 PM EDT | Special Weather Statement | ALY | 44 min |
| Oct 14, 2:44 PM EDT | Areal Flood Advisory | ALY | 3 hr |
| Oct 14, 3:37 PM EDT | Wind Advisory | ALY | 31 hr |
| Oct 20, 11:27 AM EDT | Special Weather Statement | ALY | 48 min |
| Oct 20, 11:48 AM EDT | Areal Flood Advisory | ALY | 3 hr |
| Oct 22, 3:12 AM EDT | Frost Advisory | ALY | 25 hr |
| Oct 27, 3:07 AM EDT | Freeze Warning | ALY | 29 hr |
| Nov 17, 4:08 AM EST | Lake Effect Snow Advisory | ALY | 31 hr |
| Nov 22, 4:54 AM EST | Winter Weather Advisory | ALY | 31 hr |
| Nov 22, 2:08 PM EST | Winter Storm Warning | ALY | 22 hr |
| Nov 22, 10:08 PM EST | Mesoscale Discussion | SPC | 5 hr |
| Dec 9, 3:25 PM EST | Lake Effect Snow Advisory | ALY | 31 hr |
| Dec 16, 2:27 AM EST | Wind Advisory | ALY | 11 hr |
| Dec 27, 3:29 PM EST | Winter Weather Advisory | ALY | 18 hr |
| Dec 28, 3:33 AM EST | Wind Advisory | ALY | 13 hr |
| Dec 30, 3:06 AM EST | Winter Weather Advisory | ALY | 37 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. Rebuilt daily.