Weather alerts in Sac County, Iowa

2,852 weather alerts since 1986, 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 since 1986. Tap one for its archive.

Alerts: 2,852
Warnings: 621
Watches: 593
Advisories: 765
Busiest year: 2008188 alerts
Average year: 70over 41 years on file

Over time

By year

Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.

By month of the year

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	331
Tornado Warning	33
Severe Thunderstorm Watch	263
Tornado Watch	122
Mesoscale Discussion	806
Special Weather Statement	67
Flooding
Areal Flood Warning	14
Flash Flood Warning	34
Flash Flood Watch	66
Flood Watch	22
Areal Flood Advisory	5
Winter
Blizzard Warning	26
Heavy Snow Warning	1
Ice Storm Warning	3
Winter Storm Warning	43
Blizzard Watch	8
Winter Storm Watch	57
Blowing Snow Advisory	5
Freezing Rain Advisory	6
Snow Advisory	13
Snow and Blowing Snow Advisory	9
Winter Weather Advisory	166
Heat
Excessive Heat Warning	9
Extreme Heat Warning	4
Excessive Heat Watch	9
Extreme Heat Watch	4
Heat Advisory	56
Cold
Extreme Cold Warning	3
Freeze Warning	31
Wind Chill Warning	22
Extreme Cold Watch	2
Freeze Watch	6
Wind Chill Watch	4
Cold Weather Advisory	12
Frost Advisory	35
Wind Chill Advisory	105
Wind and dust
High Wind Warning	25
High Wind Watch	11
Wind Advisory	199
Fire
Red Flag Warning	42
Fire Weather Watch	19
Fog and smoke
Air Stagnation Advisory	2
Dense Fog Advisory	151
Freezing Fog Advisory	1

The latest warnings

The most recent on file, newest first.

Issued	Product	Office	Lasted
Sep 6, 3:47 PM CDT	Severe Thunderstorm Warning	DMX	43 min
Sep 6, 2:37 PM CDT	Severe Thunderstorm Warning	DMX	38 min
Jul 25, 2:53 AM CDT	Extreme Heat Warning	DMX	67 hr
Jul 8, 6:02 PM CDT	Severe Thunderstorm Warning	DMX	43 min
Jul 4, 3:15 AM CDT	Flash Flood Warning Considerable damage threat	DMX	6 hr
Jun 27, 12:50 PM CDT	Extreme Heat Warning	DMX	6 days
Jun 17, 3:53 AM CDT	Severe Thunderstorm Warning	DMX	52 min
May 17, 9:26 PM CDT	Severe Thunderstorm Warning	DMX	79 min
May 17, 8:35 PM CDT	Tornado Warning	DMX	40 min
May 17, 8:34 PM CDT	Severe Thunderstorm Warning	DMX	56 min
May 17, 8:19 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DMX	56 min
May 15, 7:58 PM CDT	Severe Thunderstorm Warning	DMX	47 min

Nearby

Alerts in force now Tornadoes on record Forecast The radar archive

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.