Alert archive / Iowa / Delaware County
Weather alerts in Delaware County, Iowa, 2018
174 weather alerts in 2018, 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 2018. Tap one for its archive.
- Alerts
- 174
- Warnings
- 37
- Watches
- 21
- Advisories
- 44
- Busiest month
- June25 alerts
- Busiest day
- June 10, 20187 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 2, 2:50 PM CST | Wind Chill Advisory | DVN | 43 hr |
| Jan 2, 8:18 PM CST | Special Weather Statement | DVN | 57 min |
| Jan 2, 9:18 PM CST | Special Weather Statement | DVN | 117 min |
| Jan 4, 3:09 PM CST | Wind Chill Advisory | DVN | 19 hr |
| Jan 6, 2:50 AM CST | Wind Chill Advisory | DVN | 6 hr |
| Jan 10, 2:57 PM CST | Dense Fog Advisory | DVN | 8 hr |
| Jan 11, 3:07 AM CST | Winter Weather Advisory | DVN | 17 hr |
| Jan 11, 9:36 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Jan 11, 10:36 AM CST | Special Weather Statement | DVN | 114 min |
| Jan 12, 3:11 PM CST | Wind Chill Advisory | DVN | 18 hr |
| Jan 14, 2:45 PM CST | Wind Chill Advisory | DVN | 44 hr |
| Jan 14, 2:45 PM CST | Winter Weather Advisory | DVN | 21 hr |
| Jan 14, 8:19 PM CST | Special Weather Statement | DVN | 86 min |
| Feb 4, 1:53 PM CST | Winter Weather Advisory | DVN | 32 hr |
| Feb 7, 1:54 PM CST | Winter Storm Watch | DVN | 13 hr |
| Feb 8, 2:59 AM CST | Winter Storm Warning | DVN | 30 hr |
| Feb 8, 9:07 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 14, 5:42 PM CST | Dense Fog Advisory | DVN | 20 hr |
| Feb 18, 2:28 AM CST | Dense Fog Advisory | DVN | 8 hr |
| Feb 18, 2:45 PM CST | Winter Storm Watch | DVN | 13 hr |
| Feb 19, 3:16 AM CST | Winter Weather Advisory | DVN | 33 hr |
| Feb 19, 1:39 PM CST | Dense Fog Advisory | DVN | 13 hr |
| Feb 20, 9:02 AM CST | Special Weather Statement | DVN | 43 min |
| Feb 22, 3:23 AM CST | Winter Weather Advisory | DVN | 9 hr |
| Feb 22, 7:43 PM CST | Winter Weather Advisory | DVN | 10 hr |
| Mar 4, 3:32 PM CST | Winter Weather Advisory | DVN | 32 hr |
| Mar 5, 1:48 AM CST | Special Weather Statement | DVN | 87 min |
| Mar 5, 3:16 AM CST | Special Weather Statement | DVN | 89 min |
| Mar 5, 4:16 AM CST | Special Weather Statement | DVN | 89 min |
| Mar 5, 5:48 AM CST | Special Weather Statement | DVN | 87 min |
| Mar 5, 6:50 AM CST | Winter Weather Advisory | DVN | 17 hr |
| Mar 5, 7:10 AM CST | Special Weather Statement | DVN | 95 min |
| Mar 6, 5:51 AM CST | Special Weather Statement | DVN | 84 min |
| Mar 6, 6:51 AM CST | Special Weather Statement | DVN | 114 min |
| Mar 16, 3:10 AM CDT | Winter Weather Advisory | DVN | 32 hr |
| Mar 16, 8:29 PM CDT | Special Weather Statement | DVN | 91 min |
| Mar 16, 9:33 PM CDT | Special Weather Statement | DVN | 57 min |
| Mar 22, 3:45 AM CDT | Winter Storm Watch | DVN | 24 hr |
| Mar 23, 3:30 AM CDT | Winter Storm Warning | DVN | 40 hr |
| Mar 23, 9:27 PM CDT | Winter Storm Warning | DVN | 22 hr |
| Mar 31, 6:13 AM CDT | Wind Advisory | DVN | 10 hr |
| Apr 2, 3:10 PM CDT | Winter Weather Advisory | DVN | 28 hr |
| Apr 5, 10:11 AM CDT | Special Weather Statement | DVN | 94 min |
| Apr 5, 11:47 AM CDT | Special Weather Statement | DVN | 58 min |
| Apr 7, 3:08 PM CDT | Winter Weather Advisory | DVN | 43 hr |
| Apr 13, 5:51 PM CDT | Wind Advisory | DVN | 25 hr |
| Apr 14, 3:51 AM CDT | Winter Weather Advisory | DVN | 39 hr |
| Apr 17, 4:07 AM CDT | Winter Storm Watch | DVN | 11 hr |
| Apr 17, 3:02 PM CDT | Winter Storm Warning | DVN | 34 hr |
| Apr 27, 2:50 PM CDT | Red Flag Warning | DVN | 5 hr |
| May 1, 7:22 AM CDT | Special Weather Statement | DVN | 23 min |
| May 1, 5:47 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 1, 7:55 PM CDT | Mesoscale Discussion | SPC | 95 min |
| May 1, 8:14 PM CDT | Special Weather Statement | DVN | 46 min |
| May 1, 8:25 PM CDT | Severe Thunderstorm Warning | DVN | 35 min |
| May 1, 9:38 PM CDT | Mesoscale Discussion | SPC | 67 min |
| May 2, 8:19 PM CDT | Severe Thunderstorm Warning | DVN | 36 min |
| May 11, 1:59 AM CDT | Special Weather Statement | DVN | 46 min |
| May 14, 3:04 AM CDT | Flash Flood Warning | DVN | 4 hr |
| May 19, 5:47 PM CDT | Special Weather Statement | DVN | 43 min |
| May 25, 12:59 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 25, 7:23 PM CDT | Severe Thunderstorm Warning | DVN | 52 min |
| May 25, 8:10 PM CDT | Severe Thunderstorm Warning | DVN | 50 min |
| May 25, 9:52 PM CDT | Special Weather Statement | DVN | 38 min |
| May 25, 10:22 PM CDT | Special Weather Statement | DVN | 38 min |
| May 25, 10:26 PM CDT | Severe Thunderstorm Warning | DVN | 34 min |
| May 25, 11:39 PM CDT | Special Weather Statement | DVN | 51 min |
| May 30, 12:31 AM CDT | Special Weather Statement | DVN | 44 min |
| May 30, 12:59 AM CDT | Special Weather Statement | DVN | 76 min |
| Jun 2, 6:57 PM CDT | Special Weather Statement | DVN | 63 min |
| Jun 2, 7:48 PM CDT | Special Weather Statement | DVN | 57 min |
| Jun 8, 5:10 PM CDT | Special Weather Statement | DVN | 35 min |
| Jun 9, 9:32 AM CDT | Special Weather Statement | DVN | 43 min |
| Jun 9, 2:26 PM CDT | Tornado Watch | SPC | 5 hr |
| Jun 9, 3:01 PM CDT | Flash Flood Watch | DVN | 16 hr |
| Jun 9, 3:52 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Jun 9, 6:30 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 9, 7:43 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 9, 8:44 PM CDT | Severe Thunderstorm Warning | DVN | 61 min |
| Jun 9, 9:45 PM CDT | Severe Thunderstorm Warning | DVN | 60 min |
| Jun 9, 10:17 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Jun 9, 10:36 PM CDT | Flash Flood Warning | DVN | 6 hr |
| Jun 9, 10:36 PM CDT | Severe Thunderstorm Warning | DVN | 54 min |
| Jun 10, 12:25 AM CDT | River Flood Warning | DVN | 59 hr |
| Jun 15, 3:25 AM CDT | Heat Advisory | DVN | 4 days |
| Jun 18, 4:23 PM CDT | Special Weather Statement | DVN | 52 min |
| Jun 18, 4:43 PM CDT | Special Weather Statement | DVN | 62 min |
| Jun 18, 6:37 PM CDT | Special Weather Statement | DVN | 38 min |
| Jun 20, 3:04 PM CDT | Tornado Watch | SPC | 4 hr |
| Jun 20, 4:33 PM CDT | Severe Thunderstorm Warning | DVN | 42 min |
| Jun 20, 5:13 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 21, 3:47 AM CDT | Flash Flood Watch | DVN | 23 hr |
| Jun 27, 3:11 PM CDT | Heat Advisory | DVN | 24 hr |
| Jun 28, 3:31 PM CDT | Excessive Heat Warning | DVN | 54 hr |
| Jun 30, 10:06 PM CDT | Flash Flood Watch | DVN | 5 hr |
| Jul 3, 3:48 PM CDT | Heat Advisory | DVN | 28 hr |
| Jul 4, 5:08 PM CDT | Special Weather Statement | DVN | 67 min |
| Jul 4, 6:21 PM CDT | Special Weather Statement | DVN | 54 min |
| Jul 11, 3:11 PM CDT | Heat Advisory | DVN | 29 hr |
| Jul 13, 3:37 AM CDT | Heat Advisory | DVN | 15 hr |
| Jul 13, 3:54 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 13, 4:51 PM CDT | Severe Thunderstorm Warning | DVN | 39 min |
| Jul 13, 5:31 PM CDT | Severe Thunderstorm Warning | DVN | 59 min |
| Jul 13, 6:23 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 15, 12:50 PM CDT | Special Weather Statement | DVN | 70 min |
| Jul 15, 2:00 PM CDT | Special Weather Statement | DVN | 90 min |
| Jul 25, 6:29 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jul 31, 4:01 PM CDT | Special Weather Statement | DVN | 29 min |
| Jul 31, 4:45 PM CDT | Special Weather Statement | DVN | 15 min |
| Aug 1, 6:52 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 5, 6:24 AM CDT | Special Weather Statement | DVN | 81 min |
| Aug 5, 4:59 PM CDT | Special Weather Statement | DVN | 46 min |
| Aug 5, 5:07 PM CDT | Severe Thunderstorm Warning | DVN | 38 min |
| Aug 5, 5:44 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 5, 7:39 PM CDT | Special Weather Statement | DVN | 36 min |
| Aug 5, 9:21 PM CDT | Special Weather Statement | DVN | 39 min |
| Aug 6, 12:38 AM CDT | Special Weather Statement | DVN | 82 min |
| Aug 6, 2:01 AM CDT | Flash Flood Warning | DVN | 5 hr |
| Aug 8, 4:07 AM CDT | Dense Fog Advisory | DVN | 5 hr |
| Aug 15, 4:20 PM CDT | Special Weather Statement | DVN | 115 min |
| Aug 16, 3:00 AM CDT | Dense Fog Advisory | DVN | 6 hr |
| Aug 25, 4:03 AM CDT | Dense Fog Advisory | DVN | 6 hr |
| Aug 28, 9:08 AM CDT | Flash Flood Watch | DVN | 20 hr |
| Aug 28, 12:14 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 28, 1:14 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Sep 1, 1:05 AM CDT | Special Weather Statement | DVN | 55 min |
| Sep 1, 1:12 AM CDT | Severe Thunderstorm Warning | DVN | 29 min |
| Sep 1, 3:44 AM CDT | Flash Flood Watch | DVN | 24 hr |
| Sep 1, 6:34 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Sep 2, 9:26 AM CDT | Flash Flood Watch | DVN | 39 hr |
| Sep 2, 2:24 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 2, 3:01 PM CDT | Severe Thunderstorm Warning | DVN | 44 min |
| Sep 2, 3:41 PM CDT | Tornado Warning | DVN | 22 min |
| Sep 3, 5:15 PM CDT | Tornado Warning | DVN | 45 min |
| Sep 3, 5:47 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Sep 3, 6:05 PM CDT | Tornado Warning | DVN | 40 min |
| Sep 3, 6:09 PM CDT | Tornado Watch | SPC | 2 hr |
| Sep 3, 6:21 PM CDT | Severe Thunderstorm Warning | DVN | 39 min |
| Sep 3, 8:54 PM CDT | Special Weather Statement | DVN | 66 min |
| Sep 3, 10:01 PM CDT | Special Weather Statement | DVN | 74 min |
| Sep 4, 3:56 AM CDT | Flash Flood Watch | DVN | 39 hr |
| Sep 20, 2:38 PM CDT | River Flood Warning | DVN | 50 hr |
| Sep 25, 1:07 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Sep 28, 3:41 AM CDT | Frost Advisory | DVN | 28 hr |
| Oct 1, 3:23 PM CDT | River Flood Warning | DVN | 63 hr |
| Oct 1, 4:41 PM CDT | Flash Flood Warning | DVN | 6 hr |
| Oct 1, 10:40 PM CDT | Areal Flood Warning | DVN | 15 hr |
| Oct 3, 5:13 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 3, 9:06 PM CDT | Special Weather Statement | DVN | 54 min |
| Oct 4, 1:18 PM CDT | Flash Flood Watch | DVN | 48 hr |
| Oct 7, 2:44 PM CDT | Flash Flood Watch | DVN | 70 hr |
| Oct 8, 7:45 PM CDT | Special Weather Statement | DVN | 90 min |
| Oct 8, 9:23 PM CDT | Special Weather Statement | DVN | 82 min |
| Oct 9, 11:26 AM CDT | River Flood Warning | DVN | 3 days |
| Oct 9, 1:46 PM CDT | Tornado Watch | SPC | 7 hr |
| Oct 9, 3:09 PM CDT | Tornado Warning | DVN | 51 min |
| Oct 9, 3:53 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 9, 6:37 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Oct 11, 3:40 AM CDT | Freeze Warning | DVN | 28 hr |
| Oct 12, 2:42 PM CDT | Frost Advisory | DVN | 18 hr |
| Oct 14, 3:21 PM CDT | Freeze Warning | DVN | 18 hr |
| Oct 15, 3:14 AM CDT | Freeze Warning | DVN | 30 hr |
| Oct 19, 7:36 PM CDT | Wind Advisory | DVN | 20 hr |
| Oct 27, 2:31 PM CDT | Wind Advisory | DVN | 26 hr |
| Nov 16, 2:15 PM CST | Winter Weather Advisory | DVN | 18 hr |
| Nov 24, 3:52 AM CST | Winter Weather Advisory | DVN | 38 hr |
| Nov 30, 3:37 AM CST | Dense Fog Advisory | DVN | 6 hr |
| Dec 1, 7:28 AM CST | Wind Advisory | DVN | 7 hr |
| Dec 4, 7:19 AM CST | Winter Weather Advisory | DVN | 3 hr |
| Dec 11, 12:08 PM CST | Winter Weather Advisory | DVN | 21 hr |
| Dec 28, 2:50 AM CST | Winter Weather Advisory | DVN | 9 hr |
| Dec 28, 2:37 PM CST | Winter Weather Advisory | DVN | 7 hr |
| Dec 30, 3:03 PM CST | Winter Weather Advisory | DVN | 21 hr |
| Dec 31, 11:50 AM CST | Mesoscale Discussion | SPC | 6 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 | 15 |
| Tornado Warning | 4 |
| Severe Thunderstorm Watch | 4 |
| Tornado Watch | 4 |
| Mesoscale Discussion | 22 |
| Special Weather Statement | 50 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 4 |
| River Flood Warning | 4 |
| Flash Flood Watch | 9 |
| Winter | |
| Winter Storm Warning | 4 |
| Winter Storm Watch | 4 |
| Winter Weather Advisory | 19 |
| Heat | |
| Excessive Heat Warning | 1 |
| Heat Advisory | 5 |
| Cold | |
| Freeze Warning | 3 |
| Frost Advisory | 2 |
| Wind Chill Advisory | 5 |
| Wind and dust | |
| Wind Advisory | 5 |
| Fire | |
| Red Flag Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 8 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20172019
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.