Weather alerts in Wisconsin, 2011

2,031 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.

Weather alerts by county

Each county as a circle sized by its count in 2011. Tap one for its archive.

Alerts: 2,031
Warnings: 856
Watches: 148
Advisories: 581
Busiest month: July408 alerts
Busiest day: May 22, 201193 alerts

Over time

By month

The alerts

2,031 alerts are too many to list on one page. Narrow it to a product above, to a month in the chart, or to a county.

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	490
Tornado Warning	70
Severe Thunderstorm Watch	39
Tornado Watch	11
Mesoscale Discussion	129
Special Weather Statement	317
Flooding
Areal Flood Warning	5
Flash Flood Warning	30
River Flood Warning	71
Flash Flood Watch	8
Flood Watch	6
River Flood Watch	16
Areal Flood Advisory	78
River Flood Advisory	7
Winter
Blizzard Warning	3
Lake Effect Snow Warning	8
Winter Storm Warning	20
Blizzard Watch	3
Lake Effect Snow Watch	2
Winter Storm Watch	30
Freezing Rain Advisory	10
Lake Effect Snow Advisory	14
Winter Weather Advisory	71
Heat
Excessive Heat Warning	6
Excessive Heat Watch	5
Heat Advisory	18
Cold
Freeze Warning	8
Freeze Watch	3
Frost Advisory	34
Wind Chill Advisory	24
Wind and dust
High Wind Warning	6
High Wind Watch	2
Wind Advisory	36
Fog and smoke
Dense Fog Advisory	49
Freezing Fog Advisory	1
Coast and beach
Lakeshore Flood Warning	1
Lakeshore Flood Watch	1
Lakeshore Flood Advisory	1
Marine
Gale Warning	50
Heavy Freezing Spray Warning	2
Special Marine Warning	82
Storm Warning	4
Gale Watch	19
Heavy Freezing Spray Watch	1
Storm Watch	2
Marine Dense Fog Advisory	35
Small Craft Advisory	203

By county

Every county with at least one alert. A county page lists each alert that covered it.

32 more counties

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record The radar archive 2010 2012

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.