Weather alerts in Henry County, Iowa

3,145 weather alerts since 1986, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Henry County and its neighbors

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

Alerts: 3,145
Warnings: 698
Watches: 668
Advisories: 699
Busiest year: 2010229 alerts
Average year: 79over 40 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	351
Tornado Warning	45
Severe Thunderstorm Watch	284
Tornado Watch	134
Mesoscale Discussion	791
Special Weather Statement	289
Flooding
Areal Flood Warning	12
Flash Flood Warning	58
River Flood Warning	73
Flash Flood Watch	107
Flood Watch	35
River Flood Watch	10
River Flood Advisory	5
Winter
Blizzard Warning	8
Ice Storm Warning	8
Snow Squall Warning	2
Winter Storm Warning	37
Blizzard Watch	3
Winter Storm Watch	51
Blowing Snow Advisory	3
Freezing Rain Advisory	8
Snow Advisory	9
Snow and Blowing Snow Advisory	4
Winter Weather Advisory	145
Heat
Excessive Heat Warning	16
Extreme Heat Warning	4
Excessive Heat Watch	9
Extreme Heat Watch	4
Heat Advisory	105
Cold
Extreme Cold Warning	2
Freeze Warning	46
Wind Chill Warning	7
Extreme Cold Watch	2
Freeze Watch	12
Wind Chill Watch	4
Cold Weather Advisory	10
Frost Advisory	34
Wind Chill Advisory	71
Wind and dust
High Wind Warning	7
High Wind Watch	6
Wind Advisory	109
Fire
Red Flag Warning	22
Fire Weather Watch	7
Fog and smoke
Air Stagnation Advisory	1
Dense Fog Advisory	192
Freezing Fog Advisory	3

The latest warnings

The most recent on file, newest first.

Issued	Product	Office	Lasted
Sep 20, 1:18 AM CDT	Severe Thunderstorm Warning	DVN	57 min
Sep 2, 2:02 AM CDT	Extreme Heat Warning	DVN	4 days
Aug 19, 4:36 PM CDT	Flash Flood Warning	DVN	2 hr
Aug 15, 9:15 AM CDT	River Flood Warning	DVN	57 hr
Aug 15, 3:19 AM CDT	Flash Flood Warning	DVN	5 hr
Aug 13, 9:36 AM CDT	Severe Thunderstorm Warning	DVN	54 min
Aug 12, 7:27 AM CDT	Severe Thunderstorm Warning	DVN	63 min
Aug 7, 9:28 PM CDT	Severe Thunderstorm Warning	DVN	62 min
Aug 7, 8:28 PM CDT	Severe Thunderstorm Warning	DVN	62 min
Aug 7, 7:38 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	67 min
Jul 25, 2:49 AM CDT	Extreme Heat Warning	DVN	67 hr
Jul 3, 9:31 PM CDT	Severe Thunderstorm Warning	DVN	59 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.