Weather alerts in Louisa County, Iowa

3,699 weather alerts since 1986, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Louisa County and its neighbors

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

Alerts: 3,699
Warnings: 1,085
Watches: 785
Advisories: 739
Busiest year: 2008264 alerts
Average year: 90over 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	376
Tornado Warning	56
Severe Thunderstorm Watch	287
Tornado Watch	140
Mesoscale Discussion	781
Special Weather Statement	309
Flooding
Areal Flood Warning	12
Flash Flood Warning	60
River Flood Warning	417
Flash Flood Watch	106
Flood Watch	34
River Flood Watch	119
Areal Flood Advisory	1
River Flood Advisory	19
Winter
Blizzard Warning	10
Ice Storm Warning	7
Snow Squall Warning	2
Winter Storm Warning	40
Blizzard Watch	3
Winter Storm Watch	53
Blowing Snow Advisory	5
Freezing Rain Advisory	8
Snow Advisory	9
Snow and Blowing Snow Advisory	4
Winter Weather Advisory	161
Heat
Excessive Heat Warning	16
Extreme Heat Warning	4
Excessive Heat Watch	9
Extreme Heat Watch	4
Heat Advisory	94
Cold
Extreme Cold Warning	2
Freeze Warning	43
Wind Chill Warning	8
Extreme Cold Watch	2
Freeze Watch	12
Wind Chill Watch	4
Cold Weather Advisory	11
Frost Advisory	40
Wind Chill Advisory	71
Wind and dust
High Wind Warning	10
High Wind Watch	6
Wind Advisory	118
Fire
Red Flag Warning	22
Fire Weather Watch	6
Fog and smoke
Air Stagnation Advisory	1
Dense Fog Advisory	195
Freezing Fog Advisory	2

The latest warnings

The most recent on file, newest first.

Issued	Product	Office	Lasted
Sep 21, 11:47 AM CDT	River Flood Warning	DVN	4 days
Sep 20, 7:42 PM CDT	River Flood Warning	DVN	5 days
Sep 20, 7:42 PM CDT	River Flood Warning	DVN	6 days
Sep 20, 9:51 AM CDT	River Flood Warning	DVN	5 days
Sep 20, 8:04 AM CDT	Areal Flood Warning	DVN	6 hr
Sep 20, 5:43 AM CDT	River Flood Warning	DVN	4 days
Sep 20, 1:18 AM CDT	Severe Thunderstorm Warning	DVN	57 min
Sep 20, 12:16 AM CDT	Flash Flood Warning	DVN	8 hr
Sep 2, 2:02 AM CDT	Extreme Heat Warning	DVN	4 days
Aug 19, 2:53 PM CDT	Tornado Warning Tornado observed	DVN	24 min
Aug 15, 9:23 PM CDT	Flash Flood Warning	DVN	6 hr
Aug 14, 3:24 PM CDT	River Flood Warning	DVN	3 days

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.