Alert archive / Iowa / Delaware County
Weather alerts in Delaware County, Iowa, 2011
115 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Delaware County and its neighbors
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Alerts
- 115
- Warnings
- 17
- Watches
- 15
- Advisories
- 32
- Busiest month
- July30 alerts
- Busiest day
- July 11, 20117 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 16, 3:50 PM CST | Winter Weather Advisory | DVN | 28 hr |
| Jan 20, 3:02 AM CST | Wind Chill Advisory | DVN | 31 hr |
| Jan 30, 3:40 AM CST | Winter Storm Watch | DVN | 37 hr |
| Jan 30, 3:55 PM CST | Winter Weather Advisory | DVN | 24 hr |
| Jan 31, 4:12 PM CST | Blizzard Warning | DVN | 44 hr |
| Feb 1, 3:36 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 2, 3:38 PM CST | Wind Chill Advisory | DVN | 19 hr |
| Feb 7, 3:31 PM CST | Wind Chill Advisory | DVN | 20 hr |
| Feb 8, 3:37 PM CST | Wind Chill Advisory | DVN | 18 hr |
| Feb 9, 2:41 PM CST | Wind Chill Advisory | DVN | 19 hr |
| Feb 16, 5:00 AM CST | Dense Fog Advisory | DVN | 8 hr |
| Feb 16, 8:25 PM CST | Dense Fog Advisory | DVN | 6 hr |
| Feb 19, 4:07 PM CST | Winter Weather Advisory | DVN | 17 hr |
| Feb 20, 4:35 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Mar 11, 3:29 AM CST | Dense Fog Advisory | DVN | 7 hr |
| Mar 21, 11:31 PM CDT | Special Weather Statement | DVN | 59 min |
| Mar 22, 9:38 PM CDT | Special Weather Statement | DVN | 52 min |
| Mar 22, 10:01 PM CDT | Special Weather Statement | DVN | 89 min |
| Apr 3, 4:49 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Apr 3, 5:57 PM CDT | Tornado Watch | SPC | 6 hr |
| Apr 3, 6:51 PM CDT | Severe Thunderstorm Warning | DVN | 39 min |
| Apr 3, 7:24 PM CDT | Severe Thunderstorm Warning | DVN | 21 min |
| Apr 3, 7:44 PM CDT | Mesoscale Discussion | SPC | 61 min |
| Apr 4, 11:58 AM CDT | Wind Advisory | DVN | 6 hr |
| Apr 10, 3:55 AM CDT | Wind Advisory | DVN | 12 hr |
| Apr 10, 1:30 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 10, 5:03 PM CDT | Mesoscale Discussion | SPC | 57 min |
| Apr 15, 4:30 AM CDT | Wind Advisory | DVN | 15 hr |
| Apr 19, 10:14 AM CDT | Special Weather Statement | DVN | 61 min |
| Apr 28, 3:27 AM CDT | Frost Advisory | DVN | 29 hr |
| May 1, 3:26 PM CDT | Frost Advisory | DVN | 15 hr |
| May 2, 3:33 PM CDT | Frost Advisory | DVN | 15 hr |
| May 3, 3:15 PM CDT | Freeze Warning | DVN | 16 hr |
| May 11, 8:09 AM CDT | Mesoscale Discussion | SPC | 66 min |
| May 11, 1:23 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 11, 3:38 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 16, 2:57 PM CDT | Frost Advisory | DVN | 16 hr |
| May 22, 4:41 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 22, 10:53 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 22, 12:51 PM CDT | Tornado Watch | SPC | 10 hr |
| May 22, 2:59 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 24, 5:33 PM CDT | Severe Thunderstorm Warning | DVN | 57 min |
| May 24, 5:42 PM CDT | Severe Thunderstorm Warning | DVN | 48 min |
| May 24, 5:53 PM CDT | Tornado Warning | DVN | 37 min |
| May 25, 2:31 PM CDT | Wind Advisory | DVN | 7 hr |
| May 29, 5:05 AM CDT | Dense Fog Advisory | DVN | 4 hr |
| May 29, 8:39 AM CDT | Mesoscale Discussion | SPC | 66 min |
| Jun 6, 1:08 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 8, 3:36 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jun 8, 4:49 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 9, 3:12 AM CDT | Flash Flood Watch | DVN | 28 hr |
| Jun 15, 5:51 PM CDT | Special Weather Statement | DVN | 54 min |
| Jun 21, 1:25 AM CDT | Mesoscale Discussion | SPC | 35 min |
| Jun 21, 11:45 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 26, 10:02 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 29, 3:18 PM CDT | Excessive Heat Watch | DVN | 13 hr |
| Jun 30, 3:55 AM CDT | Heat Advisory | DVN | 44 hr |
| Jul 10, 10:35 AM CDT | Special Weather Statement | DVN | 55 min |
| Jul 10, 11:45 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Jul 11, 2:36 AM CDT | Mesoscale Discussion | SPC | 114 min |
| Jul 11, 3:30 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 11, 4:49 AM CDT | Severe Thunderstorm Warning | DVN | 56 min |
| Jul 11, 4:55 AM CDT | Severe Thunderstorm Warning | DVN | 65 min |
| Jul 11, 5:07 AM CDT | Mesoscale Discussion | SPC | 113 min |
| Jul 11, 5:24 AM CDT | Severe Thunderstorm Warning | DVN | 66 min |
| Jul 14, 3:40 PM CDT | Excessive Heat Watch | DVN | 24 hr |
| Jul 15, 3:42 PM CDT | Excessive Heat Warning | DVN | 9 days |
| Jul 19, 1:04 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Jul 21, 9:38 AM CDT | Special Weather Statement | DVN | 22 min |
| Jul 22, 4:18 AM CDT | Special Weather Statement | DVN | 57 min |
| Jul 22, 3:59 PM CDT | Heat Advisory | DVN | 23 hr |
| Jul 22, 7:38 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jul 22, 7:45 PM CDT | Severe Thunderstorm Warning | DVN | 60 min |
| Jul 23, 1:19 AM CDT | Special Weather Statement | DVN | 116 min |
| Jul 23, 3:00 AM CDT | Flash Flood Warning | DVN | 6 hr |
| Jul 23, 2:32 PM CDT | Flash Flood Watch | DVN | 14 hr |
| Jul 24, 6:36 PM CDT | Special Weather Statement | DVN | 54 min |
| Jul 27, 3:42 PM CDT | Flash Flood Watch | DVN | 31 hr |
| Jul 27, 6:54 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Jul 27, 7:43 PM CDT | Tornado Watch | SPC | 5 hr |
| Jul 27, 9:43 PM CDT | Mesoscale Discussion | SPC | 62 min |
| Jul 28, 12:36 AM CDT | Mesoscale Discussion | SPC | 84 min |
| Jul 28, 12:50 AM CDT | Special Weather Statement | DVN | 55 min |
| Jul 28, 1:13 AM CDT | Flash Flood Warning | DVN | 5 hr |
| Jul 28, 4:10 AM CDT | Areal Flood Warning | DVN | 12 hr |
| Jul 28, 9:26 AM CDT | Special Weather Statement | DVN | 64 min |
| Jul 31, 3:54 AM CDT | Heat Advisory | DVN | 66 hr |
| Aug 2, 12:57 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Aug 8, 9:54 AM CDT | Special Weather Statement | DVN | 51 min |
| Aug 8, 1:55 PM CDT | Special Weather Statement | DVN | 50 min |
| Aug 23, 3:00 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 23, 4:32 AM CDT | Special Weather Statement | DVN | 58 min |
| Aug 23, 4:55 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 23, 5:00 AM CDT | Special Weather Statement | DVN | 60 min |
| Aug 23, 5:40 AM CDT | Special Weather Statement | DVN | 50 min |
| Aug 23, 8:52 AM CDT | Special Weather Statement | DVN | 38 min |
| Sep 2, 2:41 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Sep 2, 10:04 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Sep 2, 10:23 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Sep 2, 11:50 PM CDT | Severe Thunderstorm Warning | DVN | 55 min |
| Sep 2, 11:56 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Sep 3, 1:05 AM CDT | Special Weather Statement | DVN | 55 min |
| Sep 3, 1:27 AM CDT | Special Weather Statement | DVN | 63 min |
| Sep 3, 2:29 AM CDT | Special Weather Statement | DVN | 61 min |
| Sep 14, 3:48 AM CDT | Frost Advisory | DVN | 28 hr |
| Sep 28, 2:59 AM CDT | Dense Fog Advisory | DVN | 8 hr |
| Sep 28, 3:57 PM CDT | Wind Advisory | DVN | 27 hr |
| Sep 30, 3:48 AM CDT | Frost Advisory | DVN | 28 hr |
| Oct 1, 2:47 PM CDT | Frost Advisory | DVN | 17 hr |
| Oct 20, 3:20 AM CDT | Freeze Warning | DVN | 30 hr |
| Nov 8, 3:35 PM CST | Winter Weather Advisory | DVN | 12 hr |
| Nov 9, 3:38 AM CST | Winter Weather Advisory | DVN | 8 hr |
| Nov 9, 4:41 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Dec 6, 7:45 AM CST | Winter Weather Advisory | DVN | 6 hr |
| Dec 14, 11:49 AM CST | Dense Fog Advisory | DVN | 2 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 | 9 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 6 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 30 |
| Special Weather Statement | 21 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 2 |
| Flash Flood Watch | 3 |
| Winter | |
| Blizzard Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 6 |
| Heat | |
| Excessive Heat Warning | 1 |
| Excessive Heat Watch | 2 |
| Heat Advisory | 3 |
| Cold | |
| Freeze Warning | 2 |
| Frost Advisory | 7 |
| Wind Chill Advisory | 5 |
| Wind and dust | |
| Wind Advisory | 5 |
| Fog and smoke | |
| Dense Fog Advisory | 6 |
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.