Alert archive / Iowa / Polk County
Weather alerts in Polk County, Iowa, 2012
89 weather alerts in 2012, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Polk County and its neighbors
Each county as a circle sized by its count in 2012. Tap one for its archive.
- Alerts
- 89
- Warnings
- 33
- Watches
- 12
- Advisories
- 16
- Busiest month
- April19 alerts
- Busiest day
- April 14, 20127 alerts
Over time
By month
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 1, 3:35 PM CST | Wind Advisory | DMX | 8 hr |
| Jan 11, 4:10 AM CST | Wind Advisory | DMX | 35 hr |
| Jan 11, 11:29 AM CST | Wind Advisory | DMX | 28 hr |
| Jan 11, 11:45 AM CST | Winter Weather Advisory | DMX | 30 hr |
| Jan 20, 3:27 AM CST | Winter Weather Advisory | DMX | 13 hr |
| Jan 22, 3:40 AM CST | Winter Weather Advisory | DMX | 32 hr |
| Jan 26, 5:49 AM CST | Dense Fog Advisory | DMX | 5 hr |
| Feb 2, 4:34 AM CST | Winter Storm Watch | DMX | 35 hr |
| Feb 3, 3:36 PM CST | Winter Storm Warning | DMX | 31 hr |
| Feb 22, 10:13 PM CST | Winter Storm Warning | DMX | 26 hr |
| Feb 22, 10:13 PM CST | Winter Weather Advisory | DMX | 26 hr |
| Feb 23, 8:45 PM CST | Mesoscale Discussion | SPC | 5 hr |
| Feb 28, 3:38 PM CST | Wind Advisory | DMX | 26 hr |
| Feb 29, 7:16 AM CST | High Wind Warning | DMX | 11 hr |
| Mar 19, 3:40 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Mar 29, 7:55 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Apr 8, 3:08 PM CDT | Freeze Watch | DMX | 24 hr |
| Apr 9, 3:51 AM CDT | Freeze Warning | DMX | 29 hr |
| Apr 9, 8:56 PM CDT | Freeze Warning | DMX | 36 hr |
| Apr 11, 3:32 PM CDT | Freeze Warning | DMX | 16 hr |
| Apr 14, 2:56 PM CDT | Tornado Watch | SPC | 2 hr |
| Apr 14, 4:47 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Apr 14, 5:00 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 14, 5:07 PM CDT | Severe Thunderstorm Warning | DMX | 38 min |
| Apr 14, 5:45 PM CDT | Severe Thunderstorm Warning | DMX | 45 min |
| Apr 14, 6:50 PM CDT | Severe Thunderstorm Warning | DMX | 34 min |
| Apr 14, 6:57 PM CDT | Mesoscale Discussion | SPC | 63 min |
| Apr 14, 7:30 PM CDT | Flash Flood Warning | DMX | 3 hr |
| Apr 14, 7:32 PM CDT | Severe Thunderstorm Warning | DMX | 43 min |
| Apr 14, 7:37 PM CDT | Severe Thunderstorm Warning | DMX | 38 min |
| Apr 14, 8:10 PM CDT | Severe Thunderstorm Warning | DMX | 50 min |
| Apr 14, 10:25 PM CDT | Flash Flood Watch | DMX | 7 hr |
| Apr 14, 11:28 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Apr 15, 4:15 AM CDT | High Wind Warning | DMX | 16 hr |
| Apr 27, 10:43 AM CDT | Wind Advisory | DMX | 10 hr |
| May 1, 9:18 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 1, 11:08 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 2, 1:39 AM CDT | Severe Thunderstorm Warning | DMX | 51 min |
| May 2, 1:53 AM CDT | Severe Thunderstorm Warning | DMX | 52 min |
| May 2, 2:02 AM CDT | Mesoscale Discussion | SPC | 58 min |
| May 4, 5:31 PM CDT | Mesoscale Discussion | SPC | 29 min |
| May 6, 7:17 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 6, 7:59 AM CDT | Severe Thunderstorm Warning | DMX | 46 min |
| May 6, 8:27 AM CDT | Severe Thunderstorm Warning | DMX | 48 min |
| May 23, 10:39 AM CDT | Wind Advisory | DMX | 8 hr |
| May 24, 3:06 PM CDT | Mesoscale Discussion | SPC | 114 min |
| May 25, 3:09 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 25, 9:17 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Jun 3, 8:04 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Jun 10, 3:42 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 15, 2:37 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Jun 15, 3:36 PM CDT | Severe Thunderstorm Warning | DMX | 39 min |
| Jun 20, 3:24 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jun 20, 8:12 PM CDT | Severe Thunderstorm Warning | DMX | 48 min |
| Jun 26, 3:47 PM CDT | Heat Advisory | DMX | 3 days |
| Jun 29, 2:43 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 29, 3:06 PM CDT | Severe Thunderstorm Warning | DMX | 44 min |
| Jul 2, 3:49 PM CDT | Heat Advisory | DMX | 48 hr |
| Jul 4, 4:08 PM CDT | Excessive Heat Warning | DMX | 3 days |
| Jul 9, 5:32 PM CDT | Severe Thunderstorm Warning | DMX | 28 min |
| Jul 17, 2:04 PM CDT | Heat Advisory | DMX | 38 hr |
| Jul 20, 11:22 AM CDT | Excessive Heat Warning | DMX | 5 days |
| Jul 25, 5:16 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 25, 7:20 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Jul 25, 9:04 PM CDT | Severe Thunderstorm Warning | DMX | 41 min |
| Jul 29, 3:25 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 4, 10:26 AM CDT | Mesoscale Discussion | SPC | 49 min |
| Aug 8, 2:21 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 8, 3:54 PM CDT | Severe Thunderstorm Warning | DMX | 38 min |
| Aug 8, 4:10 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Aug 8, 4:16 PM CDT | Severe Thunderstorm Warning | DMX | 29 min |
| Aug 16, 3:37 AM CDT | Severe Thunderstorm Warning | DMX | 23 min |
| Aug 16, 3:57 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 27, 3:38 AM CDT | Dense Fog Advisory | DMX | 5 hr |
| Sep 5, 1:14 AM CDT | Mesoscale Discussion | SPC | 91 min |
| Sep 6, 9:33 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Sep 6, 11:56 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 7, 1:58 AM CDT | Severe Thunderstorm Warning | DMX | 47 min |
| Sep 10, 3:24 PM CDT | Red Flag Warning | DMX | 28 hr |
| Sep 21, 2:54 PM CDT | Freeze Watch | DMX | 24 hr |
| Sep 22, 3:29 AM CDT | Freeze Warning | DMX | 29 hr |
| Oct 22, 1:08 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Oct 24, 6:38 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Dec 1, 8:46 PM CST | Dense Fog Advisory | DMX | 17 hr |
| Dec 17, 4:01 PM CST | Winter Storm Watch | DMX | 23 hr |
| Dec 18, 3:24 PM CST | Winter Storm Warning | DMX | 45 hr |
| Dec 19, 3:58 AM CST | Blizzard Warning | DMX | 41 hr |
| Dec 19, 2:08 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Dec 19, 9:32 PM CST | Mesoscale Discussion | SPC | 5 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 | 19 |
| Severe Thunderstorm Watch | 5 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 28 |
| Flooding | |
| Flash Flood Warning | 1 |
| Flash Flood Watch | 1 |
| Winter | |
| Blizzard Warning | 1 |
| Winter Storm Warning | 3 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 4 |
| Heat | |
| Excessive Heat Warning | 2 |
| Heat Advisory | 3 |
| Cold | |
| Freeze Warning | 4 |
| Freeze Watch | 2 |
| Wind and dust | |
| High Wind Warning | 2 |
| Wind Advisory | 6 |
| Fire | |
| Red Flag Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20112013
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.