Alert archive / Iowa / Clarke County
Weather alerts in Clarke County, Iowa, 2012
78 weather alerts in 2012, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Clarke County and its neighbors
Each county as a circle sized by its count in 2012. Tap one for its archive.
- Alerts
- 78
- Warnings
- 18
- Watches
- 16
- Advisories
- 20
- Busiest month
- April18 alerts
- Busiest day
- April 15, 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 22, 3:40 PM CST | Dense Fog Advisory | DMX | 8 hr |
| Jan 26, 5:49 AM CST | Dense Fog Advisory | DMX | 5 hr |
| Feb 3, 3:36 PM CST | Winter Weather Advisory | DMX | 31 hr |
| Feb 5, 9:22 PM CST | Freezing Fog Advisory | DMX | 13 hr |
| Feb 6, 10:05 AM CST | Dense Fog Advisory | DMX | 115 min |
| 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 19, 3:48 PM CDT | Severe Thunderstorm Warning | DMX | 42 min |
| Mar 29, 7:55 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Mar 29, 8:30 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Mar 29, 11:50 PM CDT | Mesoscale Discussion | SPC | 55 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, 6:26 PM CDT | Severe Thunderstorm Warning | DMX | 34 min |
| Apr 14, 6:48 PM CDT | Severe Thunderstorm Warning | DMX | 42 min |
| Apr 14, 6:57 PM CDT | Mesoscale Discussion | SPC | 63 min |
| Apr 14, 7:26 PM CDT | Severe Thunderstorm Warning | DMX | 49 min |
| Apr 14, 7:37 PM CDT | Tornado Warning | DMX | 23 min |
| Apr 14, 8:14 PM CDT | Severe Thunderstorm Warning | DMX | 46 min |
| Apr 14, 8:55 PM CDT | Flash Flood Warning | DMX | 103 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 30, 3:27 AM CDT | Dense Fog Advisory | DMX | 5 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, 2:02 AM CDT | Mesoscale Discussion | SPC | 58 min |
| May 3, 3:05 AM CDT | Mesoscale Discussion | SPC | 85 min |
| May 3, 3:41 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 3, 7:09 PM CDT | Tornado Watch | SPC | 6 hr |
| May 3, 11:18 PM CDT | Mesoscale Discussion | SPC | 27 min |
| May 3, 11:32 PM CDT | Flash Flood Watch | DMX | 9 hr |
| May 6, 7:17 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 24, 3:06 PM CDT | Mesoscale Discussion | SPC | 114 min |
| May 24, 3:30 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| 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 16, 11:40 AM CDT | Mesoscale Discussion | SPC | 95 min |
| Jun 16, 12:35 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 16, 2:28 PM CDT | Severe Thunderstorm Warning | DMX | 47 min |
| Jun 26, 3:47 PM CDT | Heat Advisory | DMX | 3 days |
| Jun 29, 2:43 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 2, 3:49 PM CDT | Heat Advisory | DMX | 48 hr |
| Jul 4, 4:08 PM CDT | Excessive Heat Warning | DMX | 3 days |
| Jul 17, 2:04 PM CDT | Heat Advisory | DMX | 38 hr |
| Jul 20, 11:22 AM CDT | Excessive Heat Warning | DMX | 5 days |
| 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, 4:10 PM CDT | Mesoscale Discussion | SPC | 95 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 21, 2:54 PM CDT | Freeze Watch | DMX | 24 hr |
| Sep 22, 3:16 PM CDT | Frost Advisory | DMX | 17 hr |
| Oct 5, 3:44 AM CDT | Freeze Watch | DMX | 12 hr |
| Oct 5, 3:46 PM CDT | Freeze Warning | DMX | 17 hr |
| Oct 18, 4:10 AM CDT | Wind Advisory | DMX | 15 hr |
| Oct 22, 1:08 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Dec 1, 8:46 PM CST | Dense Fog Advisory | DMX | 17 hr |
| Dec 2, 9:57 PM CST | Dense Fog Advisory | DMX | 7 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 20, 11:58 AM CST | Winter Weather Advisory | DMX | 9 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 | 6 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 7 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 24 |
| Flooding | |
| Flash Flood Warning | 1 |
| Flash Flood Watch | 2 |
| Winter | |
| Blizzard Warning | 1 |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 3 |
| Heat | |
| Excessive Heat Warning | 2 |
| Heat Advisory | 3 |
| Cold | |
| Freeze Warning | 4 |
| Freeze Watch | 3 |
| Frost Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 2 |
| Wind Advisory | 5 |
| Fog and smoke | |
| Dense Fog Advisory | 7 |
| Freezing Fog Advisory | 1 |
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.