Alert archive / New York / Washington County
Weather alerts in Washington County, New York, 2011
240 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Washington County and its neighbors
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Alerts
- 240
- Warnings
- 79
- Watches
- 38
- Advisories
- 49
- Busiest month
- August36 alerts
- Busiest day
- June 9, 201111 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Washington County, 2011
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 39 | 29 | 26% | 10 | 100% | 22 min |
| Flash flood warnings | 6 | 3 | 50% | 1 | 100% | 249 min |
Each office's whole area, 2011
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Albany, NY: tornado warnings | 11 | 3 | 73% | 9 | 56% | 25 min |
| NWS Albany, NY: severe thunderstorm warnings | 189 | 118 | 38% | 402 | 88% | 29 min |
| NWS Albany, NY: flash flood warnings | 49 | 24 | 51% | 94 | 69% | 95 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 6, 4:33 AM EST | Winter Storm Watch | ALY | 23 hr |
| Jan 7, 3:30 AM EST | Winter Weather Advisory | ALY | 31 hr |
| Jan 11, 3:40 AM EST | Winter Storm Warning | ALY | 42 hr |
| Jan 11, 11:55 AM EST | Winter Weather Advisory | ALY | 34 hr |
| Jan 17, 4:07 AM EST | Winter Storm Watch | ALY | 12 hr |
| Jan 17, 4:23 PM EST | Winter Storm Warning | ALY | 34 hr |
| Jan 18, 3:33 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Jan 18, 8:01 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Jan 18, 12:37 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Jan 20, 3:57 AM EST | Winter Weather Advisory | ALY | 32 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 5, 8:45 PM EST | Special Weather Statement | ALY | 60 min |
| Feb 7, 3:46 PM EST | Winter Weather Advisory | ALY | 23 hr |
| Feb 14, 4:35 AM EST | Wind Advisory | ALY | 24 hr |
| Feb 14, 3:10 PM EST | Wind Chill Advisory | ALY | 13 hr |
| Feb 18, 4:03 AM EST | Wind Advisory | ALY | 41 hr |
| Feb 20, 4:07 AM EST | Winter Weather Advisory | ALY | 32 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, 5:19 AM EST | Mesoscale Discussion | SPC | 4 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, 3:53 AM EST | Winter Weather Advisory | ALY | 32 hr |
| Mar 6, 12:19 PM EST | River Flood Warning | ALY | 24 hr |
| Mar 6, 12:19 PM EST | River Flood Warning | ALY | 33 hr |
| Mar 6, 12:59 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Mar 6, 1:52 PM EST | Areal Flood Advisory | ALY | 6 hr |
| Mar 6, 7:32 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Mar 9, 1:00 PM EST | Flood Watch | ALY | 53 hr |
| Mar 9, 3:39 PM EST | Winter Weather Advisory | ALY | 21 hr |
| Mar 11, 6:52 AM EST | Areal Flood Advisory | ALY | 2 hr |
| Mar 17, 3:45 PM EDT | Wind Advisory | ALY | 26 hr |
| Mar 18, 5:26 PM EDT | River Flood Warning | ALY | 11 hr |
| Mar 30, 4:22 AM EDT | Winter Storm Watch | ALY | 23 hr |
| Mar 31, 3:42 AM EDT | Winter Storm Warning | ALY | 34 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 11, 12:26 PM EDT | Flood Watch | ALY | 25 hr |
| Apr 12, 12:00 PM EDT | River Flood Warning | ALY | 3 days |
| Apr 12, 3:27 PM EDT | River Flood Warning | BTV | 68 days |
| Apr 17, 5:14 AM EDT | Wind Advisory | ALY | 16 hr |
| Apr 17, 11:22 AM EDT | River Flood Advisory | BTV | 36 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 25, 11:13 PM EDT | River Flood Warning | ALY | 14 days |
| Apr 26, 4:12 PM EDT | Mesoscale Discussion | SPC | 63 min |
| Apr 27, 6:52 AM EDT | River Flood Warning | ALY | 10 days |
| Apr 27, 5:01 PM EDT | Flash Flood Watch | ALY | 22 hr |
| Apr 28, 12:22 AM EDT | Special Weather Statement | ALY | 23 min |
| Apr 28, 12:45 AM EDT | Special Weather Statement | ALY | 15 min |
| Apr 28, 3:32 AM EDT | Mesoscale Discussion | SPC | 28 min |
| Apr 28, 6:21 AM EDT | Mesoscale Discussion | SPC | 54 min |
| Apr 28, 6:27 AM EDT | Severe Thunderstorm Warning | ALY | 63 min |
| Apr 28, 7:13 AM EDT | Severe Thunderstorm Warning | ALY | 47 min |
| Apr 28, 7:33 AM EDT | Severe Thunderstorm Warning | ALY | 57 min |
| Apr 28, 9:45 AM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 28, 11:47 AM EDT | Severe Thunderstorm Warning | ALY | 28 min |
| Apr 28, 11:49 AM EDT | Mesoscale Discussion | SPC | 56 min |
| May 2, 3:48 PM EDT | Flood Watch | ALY | 48 hr |
| May 5, 4:33 PM EDT | Frost Advisory | ALY | 15 hr |
| May 9, 3:38 PM EDT | Frost Advisory | ALY | 12 hr |
| May 16, 11:26 AM EDT | Areal Flood Advisory | ALY | 3 hr |
| May 16, 12:41 PM EDT | Areal Flood Advisory | ALY | 3 hr |
| May 16, 3:47 PM EDT | Areal Flood Advisory | ALY | 3 hr |
| May 19, 10:47 AM EDT | Mesoscale Discussion | SPC | 88 min |
| May 20, 2:35 PM EDT | Flash Flood Warning | ALY | 2 hr |
| May 20, 3:16 PM EDT | Severe Thunderstorm Warning | ALY | 44 min |
| May 20, 5:39 PM EDT | Special Weather Statement | ALY | 66 min |
| May 20, 6:59 PM EDT | Flash Flood Warning | ALY | 3 hr |
| May 21, 8:47 AM EDT | River Flood Warning | ALY | 12 hr |
| May 24, 1:34 PM EDT | Mesoscale Discussion | SPC | 116 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, 6:05 PM EDT | Severe Thunderstorm Warning | ALY | 40 min |
| May 26, 6:37 PM EDT | Severe Thunderstorm Warning | ALY | 38 min |
| May 26, 6:41 PM EDT | Mesoscale Discussion | SPC | 64 min |
| May 26, 7:53 PM EDT | Severe Thunderstorm Warning | ALY | 82 min |
| May 26, 10:00 PM EDT | Special Weather Statement | ALY | 60 min |
| May 26, 10:14 PM EDT | Severe Thunderstorm Warning | ALY | 61 min |
| May 26, 10:44 PM EDT | Severe Thunderstorm Warning | ALY | 61 min |
| May 26, 11:32 PM EDT | Severe Thunderstorm Warning | ALY | 58 min |
| May 27, 12:04 AM EDT | Severe Thunderstorm Warning | ALY | 32 min |
| 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, 5:49 PM EDT | Mesoscale Discussion | SPC | 56 min |
| May 28, 1:25 AM EDT | Special Weather Statement | ALY | 50 min |
| May 28, 1:42 PM EDT | Mesoscale Discussion | SPC | 63 min |
| May 28, 2:15 PM EDT | Severe Thunderstorm Warning | ALY | 39 min |
| May 28, 4:08 PM EDT | Severe Thunderstorm Warning | ALY | 67 min |
| May 29, 7:23 AM EDT | River Flood Warning | ALY | 26 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 |
| Jun 1, 5:58 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 1, 6:35 AM EDT | Special Weather Statement | ALY | 25 min |
| Jun 1, 10:02 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 1, 12:26 PM EDT | Mesoscale Discussion | SPC | 64 min |
| Jun 1, 12:30 PM EDT | Severe Thunderstorm Warning | ALY | 60 min |
| Jun 1, 12:48 PM EDT | Severe Thunderstorm Warning | ALY | 57 min |
| Jun 1, 1:11 PM EDT | Severe Thunderstorm Warning | ALY | 64 min |
| Jun 1, 1:28 PM EDT | Severe Thunderstorm Warning | ALY | 62 min |
| Jun 1, 2:13 PM EDT | Severe Thunderstorm Warning | ALY | 77 min |
| 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, 6:35 PM EDT | Severe Thunderstorm Warning | ALY | 55 min |
| Jun 8, 7:28 PM EDT | Severe Thunderstorm Warning | ALY | 62 min |
| Jun 8, 7:45 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Jun 8, 8:57 PM EDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Jun 9, 10:36 AM EDT | Mesoscale Discussion | SPC | 84 min |
| Jun 9, 11:33 AM EDT | Mesoscale Discussion | SPC | 57 min |
| Jun 9, 12:06 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 9, 1:00 PM EDT | Severe Thunderstorm Warning | ALY | 75 min |
| Jun 9, 2:08 PM EDT | Severe Thunderstorm Warning | ALY | 67 min |
| Jun 9, 2:17 PM EDT | Severe Thunderstorm Warning | ALY | 73 min |
| Jun 9, 3:10 PM EDT | Severe Thunderstorm Warning | ALY | 50 min |
| Jun 9, 3:18 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Jun 9, 7:17 PM EDT | Special Weather Statement | ALY | 28 min |
| Jun 9, 7:17 PM EDT | Mesoscale Discussion | SPC | 58 min |
| Jun 11, 9:10 AM EDT | Areal Flood Advisory | ALY | 3 hr |
| Jun 17, 4:57 PM EDT | Areal Flood Advisory | ALY | 2 hr |
| Jun 22, 4:10 AM EDT | Flash Flood Watch | ALY | 37 hr |
| Jun 25, 5:34 PM EDT | Special Weather Statement | ALY | 41 min |
| Jun 25, 5:49 PM EDT | Special Weather Statement | ALY | 41 min |
| Jun 25, 6:21 PM EDT | Special Weather Statement | ALY | 24 min |
| Jun 28, 6:42 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Jun 28, 7:40 PM EDT | Severe Thunderstorm Warning | ALY | 65 min |
| Jun 28, 8:48 PM EDT | Special Weather Statement | ALY | 42 min |
| Jul 3, 7:37 AM EDT | Special Weather Statement | ALY | 23 min |
| Jul 3, 8:00 AM EDT | Special Weather Statement | ALY | 45 min |
| Jul 3, 4:01 PM EDT | Special Weather Statement | ALY | 59 min |
| Jul 4, 2:36 PM EDT | Severe Thunderstorm Warning | ALY | 54 min |
| Jul 4, 3:06 PM EDT | Areal Flood Advisory | ALY | 72 min |
| Jul 4, 3:52 PM EDT | Special Weather Statement | ALY | 23 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, 3:51 PM EDT | Severe Thunderstorm Warning | ALY | 39 min |
| Jul 6, 4:25 PM EDT | Severe Thunderstorm Warning | ALY | 45 min |
| Jul 6, 4:48 PM EDT | Severe Thunderstorm Warning | ALY | 57 min |
| Jul 6, 5:35 PM EDT | Severe Thunderstorm Warning | ALY | 40 min |
| Jul 6, 6:03 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Jul 8, 5:17 PM EDT | Special Weather Statement | ALY | 43 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 | Excessive Heat Warning | ALY | 28 hr |
| Jul 20, 3:52 PM EDT | Heat Advisory | ALY | 28 hr |
| Jul 21, 3:17 PM EDT | Mesoscale Discussion | SPC | 58 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, 3:39 PM EDT | Mesoscale Discussion | SPC | 66 min |
| Aug 1, 12:07 PM EDT | Mesoscale Discussion | SPC | 53 min |
| Aug 7, 8:49 PM EDT | Severe Thunderstorm Warning | ALY | 41 min |
| Aug 14, 3:59 PM EDT | Flood Watch | ALY | 30 hr |
| Aug 15, 5:30 AM EDT | Areal Flood Advisory | ALY | 3 hr |
| Aug 15, 6:43 PM EDT | Areal Flood Advisory | ALY | 6 hr |
| Aug 15, 7:56 PM EDT | Areal Flood Advisory | ALY | 6 hr |
| Aug 19, 1:21 PM EDT | Severe Thunderstorm Warning | ALY | 54 min |
| Aug 19, 2:01 PM EDT | Special Weather Statement | ALY | 29 min |
| Aug 19, 2:07 PM EDT | Severe Thunderstorm Warning | ALY | 53 min |
| Aug 21, 11:14 AM EDT | Special Weather Statement | ALY | 61 min |
| Aug 21, 1:04 PM EDT | Severe Thunderstorm Warning | ALY | 56 min |
| Aug 21, 1:20 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 21, 3:52 PM EDT | Special Weather Statement | ALY | 38 min |
| Aug 21, 4:34 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Aug 21, 5:03 PM EDT | Special Weather Statement | ALY | 27 min |
| Aug 21, 5:34 PM EDT | Special Weather Statement | ALY | 26 min |
| Aug 21, 5:48 PM EDT | Severe Thunderstorm Warning | ALY | 22 min |
| Aug 21, 7:12 PM EDT | Mesoscale Discussion | SPC | 63 min |
| Aug 21, 7:40 PM EDT | Special Weather Statement | ALY | 35 min |
| Aug 21, 8:25 PM EDT | Areal Flood Advisory | ALY | 3 hr |
| Aug 21, 10:52 PM EDT | Areal Flood Advisory | ALY | 3 hr |
| 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, 8:51 AM EDT | Flash Flood Warning | ALY | 6 hr |
| Aug 28, 9:19 AM EDT | River Flood Warning | ALY | 32 hr |
| Aug 28, 11:11 AM EDT | Flash Flood Warning | ALY | 6 hr |
| Aug 28, 2:50 PM EDT | Areal Flood Warning | ALY | 12 hr |
| Aug 28, 3:36 PM EDT | River Flood Warning | ALY | 35 hr |
| Aug 28, 5:00 PM EDT | Areal Flood Warning | ALY | 42 hr |
| Aug 28, 5:01 PM EDT | River Flood Warning | ALY | 34 hr |
| Aug 28, 8:34 PM EDT | River Flood Warning | ALY | 11 hr |
| Aug 28, 9:09 PM EDT | Areal Flood Advisory | ALY | 12 hr |
| Aug 28, 9:54 PM EDT | River Flood Warning | ALY | 58 hr |
| Aug 28, 10:55 PM EDT | Areal Flood Warning | ALY | 18 hr |
| Aug 29, 4:52 PM EDT | Areal Flood Warning | ALY | 18 hr |
| Sep 3, 4:07 AM EDT | Flash Flood Watch | ALY | 3 days |
| Sep 4, 2:43 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Sep 4, 5:47 PM EDT | Severe Thunderstorm Warning | ALY | 58 min |
| Sep 4, 6:06 PM EDT | Mesoscale Discussion | SPC | 54 min |
| Sep 4, 6:41 PM EDT | Severe Thunderstorm Warning | ALY | 64 min |
| Sep 4, 7:41 PM EDT | Special Weather Statement | ALY | 49 min |
| Sep 4, 8:12 PM EDT | Flash Flood Warning | ALY | 4 hr |
| Sep 4, 8:35 PM EDT | Mesoscale Discussion | SPC | 55 min |
| Sep 5, 2:19 AM EDT | Flash Flood Warning | ALY | 6 hr |
| Sep 6, 2:24 AM EDT | Areal Flood Advisory | ALY | 6 hr |
| Sep 6, 4:48 AM EDT | River Flood Warning | ALY | 13 hr |
| Sep 6, 1:03 PM EDT | Flood Watch | ALY | 47 hr |
| Sep 7, 11:09 AM EDT | Areal Flood Advisory | ALY | 6 hr |
| Sep 7, 12:45 PM EDT | River Flood Warning | ALY | 30 hr |
| Sep 8, 12:09 AM EDT | Areal Flood Advisory | ALY | 6 hr |
| Sep 8, 12:32 AM EDT | River Flood Warning | ALY | 10 hr |
| Sep 8, 6:41 AM EDT | River Flood Warning | ALY | 31 hr |
| Sep 16, 3:12 AM EDT | Frost Advisory | ALY | 29 hr |
| Sep 17, 3:16 AM EDT | Frost Advisory | ALY | 26 hr |
| Sep 18, 2:43 PM EDT | Frost Advisory | ALY | 17 hr |
| Sep 22, 3:35 PM EDT | Flood Watch | ALY | 36 hr |
| Sep 22, 7:39 PM EDT | Areal Flood Advisory | ALY | 2 hr |
| Sep 29, 6:28 AM EDT | Special Weather Statement | ALY | 62 min |
| Sep 29, 4:19 PM EDT | Severe Thunderstorm Warning | ALY | 56 min |
| Sep 29, 4:57 PM EDT | Special Weather Statement | ALY | 48 min |
| Oct 5, 4:27 AM EDT | Freeze Warning | ALY | 30 hr |
| Oct 14, 6:54 PM EDT | Special Weather Statement | ALY | 51 min |
| Oct 15, 3:17 PM EDT | Special Weather Statement | ALY | 58 min |
| Oct 15, 3:19 PM EDT | Special Weather Statement | ALY | 56 min |
| Oct 28, 4:14 AM EDT | Winter Storm Watch | ALY | 12 hr |
| Oct 28, 4:11 PM EDT | Winter Storm Warning | ALY | 37 hr |
| Oct 28, 4:11 PM EDT | Winter Weather Advisory | ALY | 33 hr |
| Nov 21, 4:20 PM EST | Winter Storm Watch | ALY | 13 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 7, 4:01 AM EST | Winter Weather Advisory | ALY | 24 hr |
| Dec 7, 6:21 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Dec 7, 10:25 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Dec 16, 2:27 AM EST | Wind Advisory | ALY | 11 hr |
| Dec 22, 3:15 AM EST | Winter Weather Advisory | ALY | 30 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. Warning verification from the Mesonet's Cow. Rebuilt daily.