Tornadoes: Fujita Scale
Excel Spreadsheet: Total Number Of Tornadoes
By Month 1844-2003. See Graph
Events/Deaths/Injuries: 1982-2003
30 Year Totals: 1974-2003
160 Year Totals: 1844-2003
Famous Tornado Outbreaks across the U.S.
Wisconsin's Costliest Tornadoes
Wisconsin's Deadliest Tornadoes
Longest Documented WI Tornado Tracks
U.S. Tornado Climatology / Information (from the Storm Prediction Center (SPC))
Averages By State
Wisconsin Tornado Climatology / Information (from our Severe Weather Awareness page)
Local Tornado Write-ups (from our Documented Storms Page)
Tornado Information from the National Severe Storms Laboratory
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Severe Thunderstorm Winds:
Events/Deaths/Injuries: 1982-2003
Hurricane Force Wind Events across Wisconsin (75 mph or greater)
100 MPH or Greater Wind Events across Wisconsin
Local Straight-Line Wind Write-ups (from our Documented Storms Page)
About Straight-line Winds
Damaging Wind Information from the National Severe Storms Laboratory
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Large Hail:
Events/Deaths/Injuries: 1982-2003
About Hail Storms
How Hail Is Formed
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Lightning:
Events/Deaths/Injuries: 1982-2003
Lightning Safety
Where Lightning Strikes!
About Lightning
Lightning Page from National Severe Storms Lab
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Flooding:
Events/Deaths/Injuries: 1982-2003
Average Annual Wisconsin Precipitation
About Floods And Flash Floods
Turn Around Don't Drown
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Heat Wave:
Number of Heat Waves: 1982-2002
Number of Deaths: 1982-2002
Number of Days: 1982-2002
Wisconsin Heat Wave Site
National Heat Wave Site
U.S. Drought Monitor
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Winter Weather:
Events/Deaths/Injuries: 1982-2003
All Events
Winter Storms
Ice Storms
Blizzards
Yearly Average For All Events
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Average Annual Wisconsin Snowfall
Local Winter Storm Write-ups (from our Documented Storms Page)
Wisconsin Winter Awareness Page
National Winter Awareness Page
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Statistics For All Severe Weather Combined:
Events/Deaths/Injuries: 1982-2003 Apr-Sep
Total Injuries: 1982-2003 All Year
Total Deaths: 1982-2003 All Year
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Excel Spreadsheet: County-By-County Breakdown (for Milwaukee/Sullivan CWA) Of Total Number Of Watches / Warnings Issued: 1982-2003
Excel Spreadsheet: Total Number Of Watches / Warnings Issued For Wisconsin: 1984-2003
Get Natural Hazard Statistics for entire U.S., also broken down by state
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Storm Data
Use the pull-down menus to select the Month and Year of interest:
Or get the Yearly Summary:
These files are in "pdf" format.
What is Storm Data? Storm Data is
a monthly publication that details any unusual or significant weather
events that were reported to the National Weather Service. It includes
(but isn't limited to) winter weather, severe thunderstorms, tornadoes,
floods and high wind. All fatalities and injuries that are directly
related to weather are included, as well as any weather that caused
significant damage.
My roof was blown off in a thunderstorm. Why
isn't that storm in the report? We probably did not receive
the report. We will research storms (both during and after the event)
through local newspapers, law enforcement and spotters. If the event
was not reported to any of these organizations and you didn't report
it to us directly, we probably didn't get it.
How long after an event is Storm Data available?
At the end of each month, all of the events from the month are entered
into a database. All of the reports are verified. Newspaper clippings
are scoured for additional reports and clarification of known events.
Then a final summary of each weather episode during the month is
compiled. This process usually takes 1 to 2 months, depending on
the weather during that season. Unfortunately, it can take even
longer if an ongoing severe weather season does not allow the staff
the time to compile Storm Data.
How can I get Storm Data for previous years?
How can I get Storm Data for other areas of the country? How do
I get a certified copy for a court case? Contact the National Climatic
Data Center (NCDC).
We cannot handle any of these cases locally.
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