Weather alerts in Clayton County, Iowa

2,946 weather alerts since 1986, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Clayton County and its neighbors

Each county as a circle sized by its count since 1986. Tap one for its archive.

Alerts: 2,946
Warnings: 734
Watches: 578
Advisories: 695
Busiest year: 2014165 alerts
Average year: 72over 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	284
Tornado Warning	36
Severe Thunderstorm Watch	268
Tornado Watch	103
Mesoscale Discussion	723
Special Weather Statement	216
Flooding
Areal Flood Warning	33
Flash Flood Warning	80
River Flood Warning	141
Flash Flood Watch	65
Flood Watch	26
River Flood Watch	20
Areal Flood Advisory	32
Winter
Blizzard Warning	9
Heavy Snow Warning	2
Ice Storm Warning	3
Winter Storm Warning	69
Winter Storm Watch	69
Blowing Snow Advisory	1
Freezing Rain Advisory	12
Snow Advisory	13
Snow and Blowing Snow Advisory	3
Winter Weather Advisory	182
Heat
Excessive Heat Warning	9
Extreme Heat Warning	2
Excessive Heat Watch	4
Extreme Heat Watch	3
Heat Advisory	57
Cold
Extreme Cold Warning	3
Freeze Warning	31
Wind Chill Warning	10
Extreme Cold Watch	2
Freeze Watch	7
Wind Chill Watch	3
Cold Weather Advisory	9
Frost Advisory	44
Wind Chill Advisory	94
Wind and dust
High Wind Warning	6
High Wind Watch	4
Wind Advisory	82
Fire
Red Flag Warning	16
Fire Weather Watch	4
Fog and smoke
Air Stagnation Advisory	2
Dense Fog Advisory	162
Freezing Fog Advisory	2

The latest warnings

The most recent on file, newest first.

Issued	Product	Office	Lasted
Sep 19, 9:22 AM CDT	Areal Flood Warning	ARX	39 hr
Sep 19, 8:23 AM CDT	River Flood Warning	ARX	46 hr
Sep 19, 6:34 AM CDT	River Flood Warning	ARX	30 hr
Sep 19, 4:21 AM CDT	Flash Flood Warning	ARX	4 hr
Sep 4, 5:13 PM CDT	Severe Thunderstorm Warning	ARX	30 min
Sep 4, 4:31 PM CDT	Severe Thunderstorm Warning	ARX	27 min
Sep 4, 4:10 PM CDT	Severe Thunderstorm Warning	ARX	35 min
Aug 21, 4:28 PM CDT	Severe Thunderstorm Warning	ARX	17 min
Aug 18, 2:28 PM CDT	Severe Thunderstorm Warning	ARX	46 min
Aug 11, 7:37 AM CDT	Severe Thunderstorm Warning Considerable damage threat	ARX	54 min
Aug 11, 7:07 AM CDT	Severe Thunderstorm Warning	ARX	50 min
Jul 25, 2:20 AM CDT	Extreme Heat Warning	ARX	67 hr

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.