Weather alerts in Hamilton County, Iowa

3,116 weather alerts since 1986, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Hamilton County and its neighbors

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

Alerts: 3,116
Warnings: 805
Watches: 662
Advisories: 799
Busiest year: 2008219 alerts
Average year: 78over 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	432
Tornado Warning	65
Severe Thunderstorm Watch	297
Tornado Watch	137
Mesoscale Discussion	773
Special Weather Statement	77
Flooding
Areal Flood Warning	20
Flash Flood Warning	38
River Flood Warning	40
Flash Flood Watch	79
Flood Watch	25
River Flood Watch	11
Areal Flood Advisory	4
Winter
Blizzard Warning	24
Heavy Snow Warning	1
Ice Storm Warning	3
Snow Squall Warning	2
Winter Storm Warning	52
Blizzard Watch	8
Winter Storm Watch	58
Blowing Snow Advisory	7
Freezing Rain Advisory	7
Snow Advisory	11
Snow and Blowing Snow Advisory	7
Winter Weather Advisory	183
Heat
Excessive Heat Warning	7
Extreme Heat Warning	3
Excessive Heat Watch	8
Extreme Heat Watch	4
Heat Advisory	49
Cold
Extreme Cold Warning	3
Freeze Warning	36
Wind Chill Warning	24
Extreme Cold Watch	2
Freeze Watch	8
Wind Chill Watch	5
Cold Weather Advisory	13
Frost Advisory	28
Wind Chill Advisory	115
Wind and dust
High Wind Warning	26
High Wind Watch	11
Wind Advisory	184
Fire
Red Flag Warning	29
Fire Weather Watch	9
Fog and smoke
Air Stagnation Advisory	2
Dense Fog Advisory	188
Freezing Fog Advisory	1

The latest warnings

The most recent on file, newest first.

Issued	Product	Office	Lasted
Aug 9, 8:20 AM CDT	Severe Thunderstorm Warning	DMX	55 min
Jul 25, 2:53 AM CDT	Extreme Heat Warning	DMX	67 hr
Jul 20, 6:09 PM CDT	Severe Thunderstorm Warning	DMX	51 min
Jul 20, 5:52 PM CDT	Severe Thunderstorm Warning	DMX	23 min
Jul 20, 5:04 PM CDT	Tornado Warning	DMX	41 min
Jul 20, 5:00 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DMX	45 min
Jul 20, 4:34 PM CDT	Tornado Warning Tornado observed	DMX	41 min
Jul 20, 4:25 PM CDT	Severe Thunderstorm Warning	DMX	50 min
Jul 20, 3:23 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DMX	67 min
Jul 4, 2:26 AM CDT	Flash Flood Warning	DMX	4 hr
Jul 2, 5:15 PM CDT	Severe Thunderstorm Warning	DMX	45 min
Jul 2, 4:45 PM CDT	Severe Thunderstorm Warning	DMX	45 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.