Wisconsin State Climatology Office

Your climate information resource for Wisconsin

Wisconsin State Climatology Office

Wisconsin Climate Watch

Wisconsin Seasons

Past Wisconsin Climate

Other Climate Data Links & Maps

Wisconsin Climate Impacts
  -Water Systems
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  -Natural Hazards

Climate Education & Outreach

Natural Hazards Climate in Wisconsin

Severe Local Thunderstorms

Floods and Flash Floods

Severe Winter Storms

Wildfires and Fire Weather

Natural Hazards Assessment

Severe Local Thunderstorms

Severe weather events and casualties from the Milwaukee/Sullivan NWS Forecast Office between 1982-2009:

Tornadoes	Thunderstorm Winds
Lightning	Hail
All Severe Weather Events	All Flood Events
Number of Heat Waves**	Heat Wave Days*
(1982-2008) *(1982-2004)	Heat Wave Deaths*

Tornado Maps from NWS Milwaukee Field Office for:
2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 and 2009.
Wisconsin Severe Weather Climatology and Info Page from NWS Milwaukee Field Office

Graph of annual number of Wisconsin tornadoes since 1950 according to F-scale

Wisconsin Severe Weather Climatology and Info Page from NWS Milwaukee Field Office

Map and graph of annual number of Wisconsin tornadoes (1974-2007)

Total number of Wisconsin tornadoes by county (1844-2007)

A statistical analysis of Wisconsin tornado climatology
by Glenn R. Lussky, NWSFO La Crosse, WI

Analysis of initiation times of severe weather events across Wisconsin 1982-2009 (from NWS Milwaukee)

Number of hurricane-force wind events 75mph or greater and 100mph or greater in Wisconsin 1970-2008

Number of Heat Waves	Heat Wave Days
(1982-2004)	Heat Wave Deaths

Heat index charts from National Climatic Data Center

Heat stress charts for animals

Interactive weather calculator from MRCC

Heat Index Climatology for the North Central States
by Todd Rieck, NWSFO, La Crosse
(A 14-page pdf file, including maps and tabulated data)
See our Summer Climate Page

Floods and Flash Floods

Tornadoes	Thunderstorm Winds
Lightning	Hail
All Flood Events	All severe weather events

What is a "100-Year Flood"?
See US Geological Survey General Information Product 106,
(Recommended Citation: Holmes, R.R., Jr., Dinicola, K., 2010, 100-Year flood–it's all about chance: U.S. Geological Survey General Information Product 106, 1 p.)

Severe Winter Weather

Severe Winter Weather Climatology from NWS Field Office Milwaukee/Sullivan

Winter Storms Blizzards

Ice Storms Yearly Average for All Events

All Winter Events
History of Major Ice Storms in Wisconsin since 1972
(Courtesy of NWS Field Office Milwaukee/Sullivan
Wind Chill Climatology for the North Central States
by Todd Rieck and Seth Binau, NWSFO, La Crosse
(An 11-page pdf file, including maps and tabulated data)
See our Winter Climate Page

Wildfires and Fire Weather

National Weather Service Fire Weather Pages

National Fire Weather Page	Fire weather operation plans for Wisconsin
Milwaukee-Sullivan	Duluth
La Crosse	Twin Cities
Green Bay	Marquette

Wisconsin DNR
http://www.dnr.state.wi.us/forestry/Fire/

Long term wildfire statistics in Wisconsin

Number of forest fires per year
http://www.aos.wisc.edu/~sco/clim_impacts/WI-wildfires/wi-wildfire-freq.gif
Number of acres burned per year
http://www.aos.wisc.edu/~sco/clim_impacts/WI-wildfires/wi-wildfire-acres.gif

Minnesota DNR
http://www.dnr.state.mn.us/forestry/fire/index.html

Michigan DNR

http://www.michigan.gov/dnr/0,1607,7-153-30301_30505_30816-49815--,00.html

http://www.ncrs.fs.fed.us/gla/NFPJFSP/purpose.htm

SPC Fire Weather Forecast

Active Fires across US
From US Forest Service -- Remote Sensing Applications Center

http://www.fs.fed.us/land/wfas/kbdi.png

National Interagency Fire Center (NIFC)

Natural Hazards Assessment

US Hazards Assessment from NOAA CPC
http://www.cpc.noaa.gov/products/expert_assessment/threats.shtml
National Hazards Statistics from NWS
http://www.weather.gov/os/hazstats.shtml
Service Assessments from NWS
http://www.weather.gov/os/assessments/index.shtml
July 1995 Heat Wave http://www.weather.gov/os/assessments/index.shtml
Great Flood of 1993 http://www.weather.gov/os/assessments/pdfs/93_Flood.pdf
NWS Aware Report http://www.weather.gov/os/Aware/index.shtml
NWS Brochures http://www.weather.gov/os/brochures.shtml
US Hazards Assessment (forecast) from Climate Prediction Center