Isolated severe weather occurred ahead of a cold frontal boundary which|trekked through West Central Wisconsin by the evening hours of the 2nd.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS MPX wrote it up.
Isolated severe weather occurred ahead of a cold frontal boundary which|trekked through West Central Wisconsin by the evening hours of the 2nd.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Twin Cities, MN wrote its last area forecast discussion before the first event at Sep 2, 1:18 PM CST, 51 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 218 PM CDT TUE SEP 2 2008 .DISCUSSION... IN THE NEAR TERM...PRECIPITATION CHANCES WILL BE THE MAIN FORECAST CONCERN THIS EVENING. SOME LINGERING SHRA OVER WEST CENTRAL WISCONSIN. ELSEWHERE...LOW CLOUDS ARE EXPECTED TO THIN AND CLEAR TONIGHT...AS DRIER AIR FILTER OVER THE AREA OVERNIGHT. THERE REMOTE CHANCE OF A FEW STRONG/SEVERE STORMS AHEAD OF THE FRONT LATE THIS AFTERNOON NEAR KEAU. ZERO TO 3KM SHEAR IS NOT IMPRESSIVE...CURRENT THINKING IS FOR THE STORMS TO STAY UNDER SEVERE LIMITS. SURFACE RIDGE IS EXPECTED TO BUILD OVER THE UPPER MIDWEST OVER THE NEXT FEW DAYS. REMNANT OF TROPICAL STORM GUSTAV...WILL LIFT NORTH OVER THE MID MISS VALLEY. PRECIP SHOULD REMAIN WELL SOUTH OF OUR FORECAST AREA. CLOUD SHIELD AND DEBRIS FROM GUSTAV WILL BRUSH THE SOUTHEAST ONE THIRD OF OUR CWA. TEMPS WILL BE THE MAIN WEATHER STORY WITH MAX TEMPS IN THE UPPER 50S/LOWER 60S OVER FAR NORTHWEST CORNER TO THE LOWER 70S IN THE SOUTH. ONLY SOME MINOR TEMPS RISES ARE EXPECTED. THE LATEST GFS90 MODEL SHOWED A SHORT WAVE MOVING OVER THE UPPER MIDWEST OVER THE WEEKEND. LEFT POPS GOING OVER THE WEEKEND. AFORMENTIONED WAVE IS FORECAST TO MOVE OVER THE GREAT LAKES BY MID MONDAY. SO WENT ALONG WITH SURROUNDING WFOS..WENT WITH A DRY FORECAST AFTERWARDS. && .AVIATION.../18Z TAF ISSUANCE/ COLD FRONT WILL CONTINUE TO MOVE EAST ACROSS WRN WI. THIS JUST PASSED RNH AT 18Z...AND WILL MOVE THROUGH EAU NEAR 20Z. PRIOR TO THAT TIME AT EAU...SCT THUNDERSTORMS ARE EXPECTED. SOME BRIEF GUSTY WINDS...UP TO 30 TO 40 KTS...POSSIBLE WITH ANY OF THE MORE ORGANIZED STORMS AT EAU. WINDS BEHIND THE FRONT WILL TURN WEST NORTHWEST AND ALSO BE GUSTY. AFTERNOON POST FRONTAL GUSTS IN EXCESS OF 20 KTS ARE POSSIBLE AND HAVE BEEN OBSERVED IN WESTERN MINNESOTA. MVFR CIGS WILL ALSO CONTINUE BEHIND THE FRONT...IMPACTING MSP FOR MUCH OF THE EARLY TO MID AFTERNOON. ISOLD IFR CIGS POSSIBLE...BUT MORE CONFINED TO CTRL MN. THESE CIGS WILL GRADUALLY LIFT AND SCOUR AS THE AFTN FADES INTO EVE. WIND SPEEDS WILL KEEP UP FROM THE NORTHWEST AT 5 TO 9 KTS THROUGH THE NIGHT...LIKELY PREVENTING FOG DEVELOPMENT. EAU IS THE MOST LIKELY TO SEE SOME BUT IT SHOULD BE MVFR IF IT DEVELOPS. VFR CONDITIONS EXPECTED DURING THE DAY WEDNESDAY. && .MPX WATCHES/WARNINGS/ADVISORIES... MN...NONE. WI...NONE. && JVM/MTF
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1037 AM CDT TUE SEP 2 2008 MNZ041>045-047>070-073>078-082>085-091>093-WIZ014>016-023>028- 031100- DOUGLAS-TODD-MORRISON-MILLE LACS-KANABEC-STEVENS-POPE-STEARNS- BENTON-SHERBURNE-ISANTI-CHISAGO-LAC QUI PARLE-SWIFT-CHIPPEWA- KANDIYOHI-MEEKER-WRIGHT-HENNEPIN-ANOKA-RAMSEY-WASHINGTON- YELLOW MEDICINE-RENVILLE-MCLEOD-SIBLEY-CARVER-SCOTT-DAKOTA- REDWOOD-BROWN-NICOLLET-LE SUEUR-RICE-GOODHUE-WATONWAN-BLUE EARTH- WASECA-STEELE-MARTIN-FARIBAULT-FREEBORN-POLK-BARRON-RUSK- ST. CROIX-PIERCE-DUNN-PEPIN-EAU CLAIRE- 1037 AM CDT TUE SEP 2 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL AND SOUTHERN MINNESOTA...AND WEST CENTRAL WISCONSIN. .DAY ONE...TODAY AND TONIGHT NUMEROUS SHOWERS AND EMBEDDED ISOLATED THUNDERSTORMS WILL CONTINUE OVER FAR EAST CENTRAL MINNESOTA THROUGH EARLY AFTERNOON AND WESTERN WISCONSIN THROUGH LATE AFTERNOON INTO EARLY EVENING. SEVERE WEATHER IS NOT EXPECTED...ALTHOUGH SMALL HAIL AND GUSTY WINDS CANNOT BE RULED OUT WITH ANY AFTERNOON STORMS IN WEST CENTRAL WISCONSIN. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY ADDITIONAL THUNDERSTORMS WILL BE POSSIBLE FROM FRIDAY THROUGH THE WEEKEND...AS AN UPPER LEVEL DISTURBANCE MOVES ACROSS THE AREA. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY OR TONIGHT. KAT/MTF
The La Crosse radar (KARX), 122 km away, was scanning. The volume nearest the first event began at 20:08 UTC.
1 thunderstorm wind. Local standard time, as filed.
At least two sheds were blown around, and a few mobile homes were damaged. The roof of one mobile home was partially removed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Wisconsin in 2008Every state in 2008This day in weather historyWarnings in Wisconsin, September 2008
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 135630.