Alert archive / Iowa / Sac County
Weather alerts in Sac County, Iowa, 2018
116 weather alerts in 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Sac County and its neighbors
Each county as a circle sized by its count in 2018. Tap one for its archive.
- Alerts
- 116
- Warnings
- 23
- Watches
- 22
- Advisories
- 33
- Busiest month
- June30 alerts
- Busiest day
- June 18, 20185 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 3, 3:46 AM CST | Wind Chill Advisory | DMX | 30 hr |
| Jan 9, 3:57 AM CST | Winter Storm Watch | DMX | 34 hr |
| Jan 10, 2:08 PM CST | Winter Storm Warning | DMX | 24 hr |
| Jan 10, 2:08 PM CST | Winter Weather Advisory | DMX | 28 hr |
| Jan 11, 2:24 PM CST | Wind Chill Advisory | DMX | 20 hr |
| Jan 12, 3:46 PM CST | Wind Chill Advisory | DMX | 18 hr |
| Jan 14, 3:47 AM CST | Wind Chill Advisory | DMX | 56 hr |
| Jan 14, 3:10 PM CST | Wind Chill Warning | DMX | 43 hr |
| Jan 19, 3:08 PM CST | Winter Storm Watch | DMX | 38 hr |
| Jan 21, 4:47 AM CST | Blizzard Warning | DMX | 43 hr |
| Jan 24, 3:28 PM CST | Dense Fog Advisory | DMX | 21 hr |
| Feb 4, 2:32 PM CST | Winter Weather Advisory | DMX | 28 hr |
| Feb 7, 2:23 PM CST | Winter Weather Advisory | DMX | 40 hr |
| Feb 8, 11:05 AM CST | Winter Storm Warning | DMX | 19 hr |
| Feb 8, 9:07 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 18, 3:27 AM CST | Wind Advisory | DMX | 11 hr |
| Feb 18, 3:45 AM CST | Winter Weather Advisory | DMX | 56 hr |
| Feb 21, 3:42 PM CST | Winter Weather Advisory | DMX | 35 hr |
| Feb 22, 4:00 PM CST | Winter Storm Watch | DMX | 23 hr |
| Feb 23, 3:24 PM CST | Winter Weather Advisory | DMX | 30 hr |
| Feb 23, 11:11 PM CST | Dense Fog Advisory | DMX | 10 hr |
| Mar 4, 3:35 PM CST | Winter Weather Advisory | DMX | 50 hr |
| Mar 16, 4:10 AM CDT | Winter Weather Advisory | DMX | 30 hr |
| Mar 30, 3:19 PM CDT | Wind Advisory | DMX | 25 hr |
| Apr 2, 2:00 PM CDT | Winter Weather Advisory | DMX | 35 hr |
| Apr 7, 3:05 PM CDT | Winter Weather Advisory | DMX | 40 hr |
| Apr 12, 3:49 AM CDT | Winter Storm Watch | DMX | 36 hr |
| Apr 13, 3:32 AM CDT | Blizzard Warning | DMX | 48 hr |
| Apr 13, 3:22 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 13, 3:54 PM CDT | Winter Weather Advisory | DMX | 48 hr |
| Apr 14, 10:06 AM CDT | Mesoscale Discussion | SPC | 6 hr |
| Apr 17, 3:54 AM CDT | Winter Storm Warning | DMX | 38 hr |
| Apr 17, 3:54 AM CDT | Winter Weather Advisory | DMX | 42 hr |
| Apr 27, 2:42 PM CDT | Red Flag Warning | DMX | 4 hr |
| Apr 29, 3:26 AM CDT | Red Flag Warning | DMX | 18 hr |
| Apr 30, 3:18 AM CDT | Wind Advisory | DMX | 17 hr |
| May 1, 3:16 PM CDT | Mesoscale Discussion | SPC | 89 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 8, 3:56 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 14, 3:07 AM CDT | Severe Thunderstorm Warning | DMX | 32 min |
| May 15, 1:52 AM CDT | Dense Fog Advisory | DMX | 7 hr |
| May 22, 2:05 AM CDT | Dense Fog Advisory | DMX | 7 hr |
| May 29, 1:22 PM CDT | Mesoscale Discussion | SPC | 83 min |
| May 29, 1:43 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 29, 3:54 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jun 6, 2:22 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Jun 6, 3:23 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 8, 12:51 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jun 8, 3:02 PM CDT | Severe Thunderstorm Warning | DMX | 43 min |
| Jun 8, 3:46 PM CDT | Special Weather Statement | DMX | 29 min |
| Jun 9, 2:51 AM CDT | Mesoscale Discussion | SPC | 114 min |
| Jun 10, 1:23 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 10, 5:23 AM CDT | Special Weather Statement | DMX | 37 min |
| Jun 10, 5:58 AM CDT | Special Weather Statement | DMX | 47 min |
| Jun 11, 3:42 PM CDT | Tornado Watch | SPC | 6 hr |
| Jun 11, 7:40 PM CDT | Severe Thunderstorm Warning | DMX | 35 min |
| Jun 11, 8:01 PM CDT | Severe Thunderstorm Warning | DMX | 28 min |
| Jun 13, 11:56 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 14, 3:00 PM CDT | Heat Advisory | DMX | 4 days |
| Jun 17, 3:52 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Jun 18, 1:34 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Jun 18, 3:05 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 18, 3:41 PM CDT | Flash Flood Watch | DMX | 16 hr |
| Jun 18, 5:46 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Jun 18, 6:21 PM CDT | Special Weather Statement | DMX | 39 min |
| Jun 20, 4:28 AM CDT | Flash Flood Watch | DMX | 23 hr |
| Jun 24, 2:31 PM CDT | Special Weather Statement | DMX | 59 min |
| Jun 24, 3:28 PM CDT | Mesoscale Discussion | SPC | 62 min |
| Jun 24, 4:00 PM CDT | Severe Thunderstorm Warning | DMX | 45 min |
| Jun 24, 4:24 PM CDT | Severe Thunderstorm Warning | DMX | 33 min |
| Jun 25, 1:08 PM CDT | Flash Flood Watch | DMX | 14 hr |
| Jun 27, 3:29 PM CDT | Heat Advisory | DMX | 54 hr |
| Jun 30, 2:59 AM CDT | Flash Flood Watch | DMX | 27 hr |
| Jun 30, 12:40 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 30, 1:39 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 3, 2:39 PM CDT | Heat Advisory | DMX | 29 hr |
| Jul 4, 10:27 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 10, 11:51 AM CDT | Mesoscale Discussion | SPC | 84 min |
| Jul 10, 3:30 PM CDT | Heat Advisory | DMX | 53 hr |
| Jul 13, 3:48 AM CDT | Flash Flood Watch | DMX | 18 hr |
| Jul 13, 11:48 AM CDT | Special Weather Statement | DMX | 57 min |
| Jul 13, 12:05 PM CDT | Severe Thunderstorm Warning | DMX | 40 min |
| Jul 13, 12:30 PM CDT | Severe Thunderstorm Warning | DMX | 45 min |
| Jul 15, 6:08 AM CDT | Dense Fog Advisory | DMX | 3 hr |
| Aug 5, 3:46 AM CDT | Mesoscale Discussion | SPC | 89 min |
| Aug 5, 3:53 AM CDT | Severe Thunderstorm Warning | DMX | 67 min |
| Aug 5, 4:10 AM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Aug 5, 9:32 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 5, 11:33 PM CDT | Severe Thunderstorm Warning | DMX | 42 min |
| Aug 26, 9:53 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 26, 9:49 PM CDT | Severe Thunderstorm Warning | DMX | 26 min |
| Aug 27, 11:49 AM CDT | Mesoscale Discussion | SPC | 116 min |
| Aug 28, 11:50 AM CDT | Special Weather Statement | DMX | 55 min |
| Aug 28, 12:51 PM CDT | Special Weather Statement | DMX | 54 min |
| Aug 28, 1:03 PM CDT | Severe Thunderstorm Warning | DMX | 42 min |
| Aug 31, 1:10 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 1, 6:34 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Sep 4, 3:33 AM CDT | Flash Flood Watch | DMX | 27 hr |
| Sep 4, 2:06 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 19, 2:40 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 20, 2:31 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Sep 20, 3:11 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Sep 20, 5:19 PM CDT | Special Weather Statement | DMX | 56 min |
| Sep 20, 5:43 PM CDT | Severe Thunderstorm Warning | DMX | 47 min |
| Sep 20, 5:48 PM CDT | Mesoscale Discussion | SPC | 57 min |
| Oct 3, 12:07 PM CDT | Wind Advisory | DMX | 13 hr |
| Oct 7, 3:52 PM CDT | Flood Watch | DMX | 60 hr |
| Oct 11, 3:24 AM CDT | Freeze Warning | DMX | 29 hr |
| Oct 13, 3:23 PM CDT | Freeze Watch | DMX | 23 hr |
| Oct 14, 3:45 AM CDT | Freeze Warning | DMX | 30 hr |
| Nov 29, 3:43 AM CST | Winter Storm Watch | DMX | 36 hr |
| Nov 30, 2:34 AM CST | Dense Fog Advisory | DMX | 7 hr |
| Nov 30, 3:18 PM CST | Winter Weather Advisory | DMX | 45 hr |
| Dec 13, 7:07 PM CST | Dense Fog Advisory | DMX | 17 hr |
| Dec 28, 12:55 AM CST | Winter Weather Advisory | DMX | 11 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 |
| Severe Thunderstorm Watch | 8 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 29 |
| Special Weather Statement | 9 |
| Flooding | |
| Flash Flood Watch | 6 |
| Flood Watch | 1 |
| Winter | |
| Blizzard Warning | 2 |
| Winter Storm Warning | 3 |
| Winter Storm Watch | 5 |
| Winter Weather Advisory | 14 |
| Heat | |
| Heat Advisory | 4 |
| Cold | |
| Freeze Warning | 2 |
| Wind Chill Warning | 1 |
| Freeze Watch | 1 |
| Wind Chill Advisory | 4 |
| Wind and dust | |
| Wind Advisory | 4 |
| Fire | |
| Red Flag Warning | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 7 |
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.