Alert archive / Iowa / Cass County
Weather alerts in Cass County, Iowa, 2012
95 weather alerts in 2012, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Cass County and its neighbors
Each county as a circle sized by its count in 2012. Tap one for its archive.
- Alerts
- 95
- Warnings
- 20
- Watches
- 18
- Advisories
- 21
- Busiest month
- April19 alerts
- Busiest day
- April 14, 20129 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 |
| 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 4, 3:27 AM CST | Mesoscale Discussion | SPC | 4 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 10, 3:48 PM CST | Wind Chill Advisory | DMX | 16 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 3, 9:19 PM CST | Wind Advisory | DMX | 21 hr |
| Mar 16, 6:50 AM CDT | Dense Fog Advisory | DMX | 3 hr |
| Mar 19, 1:34 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Mar 28, 11:21 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Mar 29, 7:25 PM CDT | Severe Thunderstorm Warning | DMX | 50 min |
| Mar 29, 7:55 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Mar 29, 8:13 PM CDT | Severe Thunderstorm Warning | DMX | 47 min |
| Mar 29, 8:30 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Mar 30, 3:20 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Apr 7, 3:41 PM CDT | Frost Advisory | DMX | 12 hr |
| 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, 3:53 AM CDT | Dense Fog Advisory | DMX | 5 hr |
| Apr 14, 2:15 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Apr 14, 2:41 PM CDT | Severe Thunderstorm Warning | DMX | 49 min |
| 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, 6:12 PM CDT | Severe Thunderstorm Warning | DMX | 48 min |
| Apr 14, 6:57 PM CDT | Mesoscale Discussion | SPC | 63 min |
| Apr 14, 6:59 PM CDT | Flash Flood Warning | DMX | 3 hr |
| 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, 3:25 AM CDT | Mesoscale Discussion | SPC | 95 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, 2:02 AM CDT | Mesoscale Discussion | SPC | 58 min |
| May 3, 12:50 AM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| 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 6, 4:55 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 6, 6:30 AM CDT | Severe Thunderstorm Warning | DMX | 45 min |
| May 19, 6:52 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 19, 8:11 PM CDT | Mesoscale Discussion | SPC | 64 min |
| May 19, 10:33 PM CDT | Mesoscale Discussion | SPC | 57 min |
| May 23, 10:39 AM CDT | Wind Advisory | DMX | 8 hr |
| May 23, 8:56 PM CDT | Mesoscale Discussion | SPC | 94 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, 3:10 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Jun 10, 3:42 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 10, 6:20 PM CDT | Mesoscale Discussion | SPC | 55 min |
| Jun 10, 8:05 PM CDT | Severe Thunderstorm Warning | DMX | 40 min |
| Jun 10, 10:22 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Jun 14, 3:27 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 14, 6:07 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Jun 16, 12:35 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 20, 3:24 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jun 26, 3:47 PM CDT | Heat Advisory | DMX | 3 days |
| Jul 2, 3:49 PM CDT | Heat Advisory | DMX | 48 hr |
| Jul 4, 4:08 PM CDT | Excessive Heat Warning | DMX | 3 days |
| Jul 14, 4:32 PM CDT | Mesoscale Discussion | SPC | 88 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, 7:21 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Aug 7, 7:45 PM CDT | Severe Thunderstorm Warning | DMX | 45 min |
| Aug 8, 12:28 PM CDT | Mesoscale Discussion | SPC | 62 min |
| Aug 8, 2:21 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 8, 4:10 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Sep 10, 4:10 AM CDT | Fire Weather Watch | DMX | 11 hr |
| 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 18, 4:10 AM CDT | Wind Advisory | DMX | 15 hr |
| Oct 22, 1:08 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Oct 23, 9:23 PM CDT | Dense Fog Advisory | DMX | 13 hr |
| Oct 24, 11:20 PM CDT | Mesoscale Discussion | SPC | 115 min |
| 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 19, 9:32 PM CST | Mesoscale Discussion | SPC | 5 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 | 7 |
| Severe Thunderstorm Watch | 9 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 36 |
| Flooding | |
| Flash Flood Warning | 1 |
| Flash Flood Watch | 1 |
| Winter | |
| Blizzard Warning | 1 |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 2 |
| Heat | |
| Excessive Heat Warning | 2 |
| Heat Advisory | 3 |
| Cold | |
| Freeze Warning | 4 |
| Freeze Watch | 2 |
| Frost Advisory | 1 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 2 |
| Wind Advisory | 7 |
| Fire | |
| Red Flag Warning | 1 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 6 |
| 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.