Weather alerts in Wisconsin, 2009

1,243 weather alerts in 2009, 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 2009. Tap one for its archive.

Alerts: 1,243
Warnings: 421
Watches: 136
Advisories: 476
Busiest month: August195 alerts
Busiest day: June 19, 200974 alerts

Over time

By month

The alerts

1,243 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	153
Tornado Warning	41
Severe Thunderstorm Watch	17
Tornado Watch	7
Mesoscale Discussion	81
Special Weather Statement	127
Flooding
Areal Flood Warning	7
Flash Flood Warning	35
River Flood Warning	66
Flash Flood Watch	7
Flood Watch	2
River Flood Watch	40
Areal Flood Advisory	49
River Flood Statement	1
Winter
Blizzard Warning	5
Ice Storm Warning	1
Lake Effect Snow Warning	6
Winter Storm Warning	32
Winter Storm Watch	31
Freezing Rain Advisory	5
Lake Effect Snow Advisory	18
Winter Weather Advisory	76
Heat
Heat Advisory	4
Cold
Freeze Warning	11
Wind Chill Warning	6
Freeze Watch	8
Wind Chill Watch	2
Frost Advisory	27
Wind Chill Advisory	31
Wind and dust
High Wind Warning	3
High Wind Watch	2
Wind Advisory	17
Fire
Red Flag Warning	3
Fog and smoke
Dense Fog Advisory	51
Freezing Fog Advisory	1
Marine
Gale Warning	30
Heavy Freezing Spray Warning	3
Special Marine Warning	19
Gale Watch	17
Heavy Freezing Spray Watch	2
Storm Watch	1
Marine Dense Fog Advisory	25
Small Craft Advisory	172
Marine Weather Statement	1

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 2008 2010

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.