Weather alerts in Linn County, Iowa

3,793 weather alerts since 1986, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Linn County and its neighbors

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

Alerts: 3,793
Warnings: 1,097
Watches: 687
Advisories: 803
Busiest year: 2008258 alerts
Average year: 93over 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	569
Tornado Warning	109
Severe Thunderstorm Watch	282
Tornado Watch	127
Mesoscale Discussion	783
Special Weather Statement	423
Flooding
Areal Flood Warning	20
Flash Flood Warning	88
River Flood Warning	108
Flash Flood Watch	92
Flood Watch	30
River Flood Watch	36
River Flood Advisory	11
Winter
Blizzard Warning	13
Ice Storm Warning	4
Snow Squall Warning	2
Winter Storm Warning	64
Blizzard Watch	4
Winter Storm Watch	71
Blowing Snow Advisory	6
Freezing Rain Advisory	12
Snow Advisory	14
Snow and Blowing Snow Advisory	5
Winter Weather Advisory	183
Heat
Excessive Heat Warning	11
Extreme Heat Warning	2
Excessive Heat Watch	8
Extreme Heat Watch	4
Heat Advisory	69
Cold
Extreme Cold Warning	3
Freeze Warning	52
Wind Chill Warning	20
Extreme Cold Watch	2
Freeze Watch	13
Wind Chill Watch	5
Cold Weather Advisory	11
Frost Advisory	49
Wind Chill Advisory	102
Wind and dust
High Wind Warning	12
High Wind Watch	7
Wind Advisory	125
Fire
Red Flag Warning	20
Fire Weather Watch	6
Fog and smoke
Air Stagnation Advisory	2
Dense Fog Advisory	212
Freezing Fog Advisory	2

The latest warnings

The most recent on file, newest first.

Issued	Product	Office	Lasted
Sep 20, 7:55 AM CDT	Areal Flood Warning	DVN	6 hr
Sep 20, 2:02 AM CDT	Flash Flood Warning	DVN	6 hr
Sep 8, 9:07 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	46 min
Sep 8, 8:50 PM CDT	Tornado Warning	DVN	25 min
Sep 8, 8:18 PM CDT	Severe Thunderstorm Warning	DVN	57 min
Aug 12, 6:19 AM CDT	Flash Flood Warning	DVN	3 hr
Aug 12, 5:25 AM CDT	Severe Thunderstorm Warning	DVN	65 min
Aug 12, 4:37 AM CDT	Severe Thunderstorm Warning	DVN	53 min
Aug 11, 7:11 AM CDT	Severe Thunderstorm Warning Destructive damage threat	DVN	49 min
Aug 11, 7:09 AM CDT	Severe Thunderstorm Warning	DVN	81 min
Aug 11, 6:53 AM CDT	Severe Thunderstorm Warning	DVN	52 min
Aug 7, 5:26 PM CDT	Severe Thunderstorm Warning	DVN	36 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.