Alert archive / Iowa / Linn County
Weather alerts in Linn County, Iowa, 2018
196 weather alerts in 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Linn County and its neighbors
Each county as a circle sized by its count in 2018. Tap one for its archive.
- Alerts
- 196
- Warnings
- 48
- Watches
- 32
- Advisories
- 44
- Busiest month
- June34 alerts
- Busiest day
- June 10, 201810 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, 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 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 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 |
| Jan 21, 4:01 PM CST | Dense Fog Advisory | DVN | 14 hr |
| Feb 4, 1:53 PM CST | Winter Weather Advisory | DVN | 32 hr |
| Feb 5, 11:36 AM CST | Mesoscale Discussion | SPC | 6 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, 2:59 AM CST | Winter Weather Advisory | DVN | 39 hr |
| Feb 8, 9:07 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 9, 3:09 PM CST | Winter Weather Advisory | DVN | 18 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 19, 1:39 PM CST | Dense Fog Advisory | DVN | 13 hr |
| Feb 20, 9:02 AM CST | Special Weather Statement | DVN | 43 min |
| Feb 20, 9:37 AM CST | Flood Watch | DVN | 6 hr |
| Feb 22, 3:23 AM CST | Winter Weather Advisory | DVN | 9 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 6, 4:40 AM CST | Special Weather Statement | DVN | 80 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, 7:35 PM CDT | Special Weather Statement | DVN | 55 min |
| 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 18, 2:25 AM CDT | Dense Fog Advisory | DVN | 9 hr |
| 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, 4:52 AM CDT | Special Weather Statement | DVN | 38 min |
| Mar 31, 6:13 AM CDT | Wind Advisory | DVN | 10 hr |
| Apr 2, 3:10 PM CDT | Winter Weather Advisory | DVN | 28 hr |
| 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 Weather Advisory | DVN | 45 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, 9:25 AM CDT | Special Weather Statement | DVN | 50 min |
| May 1, 9:38 PM CDT | Mesoscale Discussion | SPC | 67 min |
| May 2, 7:21 PM CDT | Mesoscale Discussion | SPC | 84 min |
| May 4, 11:42 AM CDT | River Flood Watch | DVN | 5 days |
| May 4, 11:42 AM CDT | River Flood Watch | DVN | 7 days |
| May 12, 1:04 AM CDT | Mesoscale Discussion | SPC | 116 min |
| May 14, 5:03 AM CDT | Special Weather Statement | DVN | 27 min |
| May 14, 6:54 AM CDT | Special Weather Statement | DVN | 36 min |
| May 20, 4:16 AM CDT | Special Weather Statement | DVN | 29 min |
| May 22, 3:34 AM CDT | Dense Fog Advisory | DVN | 5 hr |
| May 26, 1:07 AM CDT | Severe Thunderstorm Warning | DVN | 38 min |
| May 30, 12:31 AM CDT | Special Weather Statement | DVN | 44 min |
| Jun 9, 8:39 AM CDT | Flash Flood Warning | DVN | 2 hr |
| Jun 9, 8:41 AM CDT | Special Weather Statement | DVN | 49 min |
| Jun 9, 8:47 AM CDT | Severe Thunderstorm Warning | DVN | 42 min |
| 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, 8:27 PM CDT | River Flood Watch | DVN | 15 hr |
| Jun 9, 8:27 PM CDT | River Flood Watch | DVN | 13 hr |
| Jun 9, 8:52 PM CDT | River Flood Watch | DVN | 6 days |
| Jun 9, 8:52 PM CDT | River Flood Watch | DVN | 8 days |
| Jun 9, 9:20 PM CDT | Severe Thunderstorm Warning | DVN | 70 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, 10:42 PM CDT | Severe Thunderstorm Warning | DVN | 48 min |
| Jun 9, 11:44 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 10, 7:50 PM CDT | River Flood Watch | DVN | 13 hr |
| Jun 11, 9:04 AM CDT | River Flood Warning | DVN | 7 days |
| Jun 12, 11:17 AM CDT | River Flood Warning | DVN | 4 days |
| Jun 12, 6:31 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 15, 3:25 AM CDT | Heat Advisory | DVN | 4 days |
| Jun 17, 3:01 PM CDT | Excessive Heat Warning | DVN | 28 hr |
| Jun 20, 6:36 AM CDT | Special Weather Statement | DVN | 24 min |
| Jun 20, 1:01 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| 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 21, 11:40 AM CDT | Special Weather Statement | DVN | 20 min |
| Jun 21, 12:11 PM CDT | Special Weather Statement | DVN | 49 min |
| Jun 21, 1:22 PM CDT | Special Weather Statement | DVN | 53 min |
| Jun 21, 1:53 PM CDT | Mesoscale Discussion | SPC | 3 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, 7:15 PM CDT | Mesoscale Discussion | SPC | 90 min |
| 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, 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, 5:21 PM CDT | Severe Thunderstorm Warning | DVN | 39 min |
| Jul 13, 5:58 PM CDT | Severe Thunderstorm Warning | DVN | 47 min |
| 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 19, 2:53 PM CDT | Special Weather Statement | DVN | 37 min |
| Jul 19, 3:11 PM CDT | Tornado Watch | SPC | 6 hr |
| Jul 19, 5:18 PM CDT | Mesoscale Discussion | SPC | 57 min |
| Jul 30, 12:28 AM CDT | Special Weather Statement | DVN | 62 min |
| Jul 30, 4:08 PM CDT | Special Weather Statement | DVN | 52 min |
| Jul 30, 6:04 PM CDT | Special Weather Statement | DVN | 26 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, 5:07 PM CDT | Severe Thunderstorm Warning | DVN | 38 min |
| Aug 5, 5:44 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 7, 5:51 PM CDT | Special Weather Statement | DVN | 54 min |
| 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 15, 7:00 PM CDT | Special Weather Statement | DVN | 30 min |
| Aug 16, 3:00 AM CDT | Dense Fog Advisory | DVN | 6 hr |
| Aug 24, 10:33 PM CDT | Special Weather Statement | DVN | 87 min |
| 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, 5:06 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 28, 6:24 PM CDT | Special Weather Statement | DVN | 36 min |
| Aug 28, 6:37 PM CDT | Severe Thunderstorm Warning | DVN | 38 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 1, 8:20 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Sep 1, 10:27 PM CDT | Mesoscale Discussion | SPC | 63 min |
| Sep 2, 9:26 AM CDT | Flash Flood Watch | DVN | 39 hr |
| Sep 2, 9:53 AM CDT | River Flood Warning | DVN | 11 days |
| Sep 2, 2:24 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 3, 9:19 AM CDT | River Flood Warning | DVN | 9 days |
| Sep 3, 10:15 AM CDT | River Flood Warning | DVN | 7 days |
| Sep 3, 1:20 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 3, 4:41 PM CDT | Tornado Warning | DVN | 34 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, 7:41 PM CDT | Special Weather Statement | DVN | 64 min |
| Sep 3, 8:54 PM CDT | Special Weather Statement | DVN | 66 min |
| Sep 3, 9:28 PM CDT | River Flood Warning | DVN | 7 days |
| Sep 4, 3:56 AM CDT | Flash Flood Watch | DVN | 39 hr |
| Sep 5, 1:01 PM CDT | Flash Flood Warning | DVN | 6 hr |
| Sep 19, 10:38 AM CDT | River Flood Watch | DVN | 7 days |
| Sep 19, 10:38 AM CDT | River Flood Watch | DVN | 48 hr |
| Sep 20, 9:25 AM CDT | River Flood Warning | DVN | 10 days |
| Sep 21, 4:16 AM CDT | River Flood Warning | DVN | 4 days |
| Sep 21, 10:30 AM CDT | River Flood Warning | DVN | 6 days |
| Sep 21, 10:30 AM CDT | River Flood Warning | DVN | 8 days |
| Sep 25, 12:48 PM CDT | Severe Thunderstorm Warning | DVN | 42 min |
| Sep 25, 1:07 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Sep 25, 1:28 PM CDT | Severe Thunderstorm Warning | DVN | 62 min |
| Sep 25, 1:28 PM CDT | Tornado Warning | DVN | 47 min |
| Sep 28, 3:41 AM CDT | Frost Advisory | DVN | 28 hr |
| Oct 1, 3:29 PM CDT | River Flood Watch | DVN | 6 hr |
| Oct 1, 9:41 PM CDT | River Flood Warning | DVN | 62 hr |
| Oct 1, 9:41 PM CDT | River Flood Warning | DVN | 15 days |
| Oct 2, 2:21 PM CDT | River Flood Warning | DVN | 4 days |
| 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 6, 9:52 PM CDT | River Flood Watch | DVN | 8 days |
| Oct 6, 9:52 PM CDT | River Flood Watch | DVN | 35 hr |
| Oct 7, 2:44 PM CDT | Flash Flood Watch | DVN | 70 hr |
| Oct 8, 4:29 AM CDT | Special Weather Statement | DVN | 61 min |
| Oct 8, 9:16 AM CDT | River Flood Warning | DVN | 6 days |
| Oct 8, 9:16 AM CDT | River Flood Warning | DVN | 9 days |
| Oct 8, 7:45 PM CDT | Special Weather Statement | DVN | 90 min |
| Oct 9, 11:23 AM CDT | River Flood Warning | DVN | 5 days |
| Oct 9, 12:59 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Oct 9, 1:46 PM CDT | Tornado Watch | SPC | 7 hr |
| Oct 9, 3:53 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 9, 5:14 PM CDT | Tornado Warning | DVN | 46 min |
| Oct 9, 5:51 PM CDT | Tornado Warning | DVN | 24 min |
| 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 23, 3:29 AM CST | Winter Storm Watch | DVN | 24 hr |
| Nov 24, 3:52 AM CST | Winter Storm Warning | DVN | 44 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 |
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 | 13 |
| Tornado Warning | 6 |
| Severe Thunderstorm Watch | 3 |
| Tornado Watch | 4 |
| Mesoscale Discussion | 29 |
| Special Weather Statement | 43 |
| Flooding | |
| Flash Flood Warning | 2 |
| River Flood Warning | 16 |
| Flash Flood Watch | 9 |
| Flood Watch | 1 |
| River Flood Watch | 12 |
| Winter | |
| Winter Storm Warning | 5 |
| Winter Storm Watch | 3 |
| Winter Weather Advisory | 18 |
| Heat | |
| Excessive Heat Warning | 2 |
| Heat Advisory | 5 |
| Cold | |
| Freeze Warning | 3 |
| Frost Advisory | 2 |
| Wind Chill Advisory | 4 |
| Wind and dust | |
| Wind Advisory | 5 |
| Fire | |
| Red Flag Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 10 |
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.