Thunderstorms that developed ahead of a strong cold front produced isolated wind damage as they passed through central and east-central Wisconsin.
Every event with a place to put it. Tap one for its entry below.
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 GRB wrote it up.
Thunderstorms that developed ahead of a strong cold front produced isolated wind damage as they passed through central and east-central Wisconsin.
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 Green Bay, WI wrote its last area forecast discussion before the first event at Sep 2, 1:50 PM CST, 2 hours earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREEN BAY WI 250 PM CDT THU SEP 2 2010 .SHORT TERM...TNGT AND FRI. SEVERAL POTENTIAL PBLMS TO DEAL WITH OVER THE NXT 24 HRS RANGING FROM PCPN CHCS TNGT AND AGAIN FRI... GUSTY WNDS ON FRI AND THEN MAX TEMPS FOR FRI AS MUCH COOLER AIR SET TO INVADE THE WRN GREAT LKS. THE 19Z MSAS SFC ANALYSIS SHOWED A CDFNT EXTENDED GENERALLY EAST OF A DLH-MSP LINE AND MAKING STEADY PROGRESS INTO WI. EXPECT TO SEE THE FNT REACH CNTRL WI BY EVENING. RADAR MOSAIC WAS PICKING UP SEVERAL AREAS OF PCPN...ONE TO THE EAST ASSOCIATED WITH A PASSING SHRTWV AND THE SECOND IN THE VCNTY OF THE CDFNT. FINALLY...WV SATL IMAGERY INDICATED A RATHER STG LONGWV TROF MOVG THRU THE NRN PLAINS HEADED TO THE EAST. THE CDFNT TO COMPLETE ITS PASSAGE THRU ERN WI BY EARLY EVENING AS THE STG LONGWV TROF PUSHES INTO THE UPR MS VALLEY. HIGHEST POPS TO BE IN THE EAST WITH THE FNT IN THE VCNTY...BUT QUICKLY DIMINISH TO SCT OR ISOLATED SHWRS BEHIND THE FROPA AS A DRY SLOT MOVS EAST. DURING THE OVRNGT HRS...THE LONGWV TROF REACHES THE WRN GREAT LKS RGN WITH WRAP-AROUND MSTR ROTATING SEWD INTO NRN WI. CANNOT RULE OUT A FEW LGT SHWRS AS A SHRTWV MOVS E-SE THRU THE UPR TROF. THE ONSET OF STG CAA AND INCREASING WEST WNDS WL BRING A COMPLETELY DIFFERENT AIR MASS INTO NE WI TNGT. 8H TEMPS CRASH TO AROUND +6C WITH DEW PTS FALLING THRU THE 50S. LOOK FOR MIN TEMPS TO SETTLE INTO THE LWR-MID 50S INLAND...55-60 DEGS NEAR THE BAY AND LAKE. THE LONGWV TROF TO RESIDE OVR THE GREAT LKS ON FRI WITH A PREVAILING NW FLOW ALOFT MOVG OVR WI. COOL AIR ALOFT COMBINED WITH DAYTIME HEATING WL GENERATE ENUF INSTABILITY TO BRING A PRETTY GOOD CHC OF SHWRS TO ALL OF NE WI. BEST CHC TO OCCUR OVR VILAS CNTY WHERE SOME LK ENHANCEMENT FROM SUPERIOR TO TAKE PLACE (EARLY TASTE OF LK EFFECT!). THE OTHER MAJOR STORY FOR FRI WL BE THE WINDY CONDITIONS EXPECTED DUE TO A TIGHT PRES GRAD BETWEEN STG LOW PRES OVR ONTARIO AND HI PRES OVR THE PLAINS. WND GUSTS THO MAY BE TEMPERED A BIT DUE TO THE ANTICIPATED CLD CVR. NONETHELESS...EXPECT TO SEE A FEW GUSTS REACH THE 30 TO 40 MPH RANGE. AN AUTUMNAL FEEL TO THE AIR WL BE NOTED ON FRI WITH MAX TEMPS ONLY IN THE 50S NORTH AND LWR 60S CNTRL AND EAST. .LONG TERM...FRIDAY NIGHT THROUGH NEXT THURSDAY. UPPER LOW VCNTY MN AND CANADIAN BORDER WILL LIFT INTO ONTARIO BY SAT MORNING...THEN FURTHER INTO QUEBEC BY SUN MORNING. CYCLONIC FLOW WILL CONTINUE OVER AREA THROUGH SAT...THEN WESTERN RIDGE TO BUILD EAST FOR SUN WITH RECOVERING HEIGHTS/TEMPS. MADE LITTLE CHANGE TO EARLY NEXT WEEK PERIOD...KEEPING PCPN CHANCES WITH WARM FRONT LATE SUN/MON AND COLD FRONT ON TUES. OP RUNS DEVIATING FROM RESPECTIVE MEANS LATER PERIODS LEADING TO LOW CONFIDENCE FORECAST. TUE FRONT COULD LINGER CLOSE TO AREA INTO MID NEXT WEEK. ATTM WILL BET ON CANADIAN HIGH PUSHING FRONT TO OUR SOUTH. 850 TEMPS/5H HEIGHTS POINT TO TEMPS AT OR SLIGHTLY ABOVE NORMAL FOR EARLY SEP. FOR FRI NIGHT/SAT...SECONDARY TROF PASSES THROUGH EARLY IN THE EVENING...SENDING COLDER/DRIER AIR SOUTHEAST. EXCEPT FOR POSSIBLE LES RAIN SHOWERS NORTH...DRIER AIR WITH DEWS POSSIBLY DROPPING INTO THE 30S SHOULD LIMIT SHOWER ACTIVITY/CLOUD COVER FRI NIGHT AND SAT. && .AVIATION...GENERALLY VFR CONDITIONS ARE EXPECTED THIS EVENING WITH A BRIEF DOWNTURN TO MVFR CIGS/VSBYS DUE TO THE PASSAGE OF A CDFNT. AS COLDER AIR MOVS INTO THE RGN OVRNGT...POTENTIAL EXISTS FOR MVFR CIGS TO DVLP WITH IFR CIGS PSBL BETWEEN 08Z-12Z OVR THE RHI...CWA AND AUW TAF SITES. EXPECT MVFR CIGS TO CONT ON FRI...AS INCREASING INSTABILITY SHOULD PRODUCE SCT SHWR ACTIVITY. IN ADDITION TO THE PCPN CHCS...A WINDY DAY ON TAP OVR ALL OF NE WI WITH SUSTAINED SFC WNDS OF 20 TO 30 MPH WITH HIGHER GUSTS. && .MARINE...DEEPENING LOW PRES OVER ONTARIO WILL PRODUCE STRONG SMALL CRAFT CONDITIONS ON LAKE MICHIGAN AND THE BAY LATE TONIGHT AND FRI WITH GALE CONDITIONS POSSIBLE FRI AFTERNOON INTO SATURDAY. UNSEASONABLY COLD AIR WILL MOVE SOUTH OVER WARM LAKE WATERS LEADING TO STRONG MIXING. WINDS JUST OFF THE SURFACE WILL INCREASE TO 35 TO 45 KTS BY LATE IN DAY FRI. BEST CHANCE FOR GALE CONDITIONS FRI NIGHT AS WINDS SHIFT TO NW. && .GRB WATCHES/WARNINGS/ADVISORIES... NONE. && KALLAS/TE
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREEN BAY WI 305 PM CDT THU SEP 2 2010 WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-032015- VILAS-ONEIDA-FOREST-FLORENCE-NORTHERN MARINETTE-LINCOLN-LANGLADE- MENOMINEE-NORTHERN OCONTO-DOOR-MARATHON-SHAWANO-WOOD-PORTAGE- WAUPACA-OUTAGAMIE-BROWN-KEWAUNEE-WAUSHARA-WINNEBAGO-CALUMET- MANITOWOC-SOUTHERN MARINETTE-SOUTHERN OCONTO- 305 PM CDT THU SEP 2 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL AND NORTHEAST WISCONSIN. .DAY ONE...TONIGHT THERE IS A SLIGHT CHANCE OF SEVERE THUNDERSTORMS THIS EVENING AS A COLD FRONT MOVES THROUGH THE REGION. THE MAIN THREAT APPEARS TO BE DAMAGING WINDS ALONG WITH A SMALL RISK OF LARGE HAIL. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH THURSDAY STRONG NORTHWEST WINDS MAY IMPACT NORTHERN DOOR COUNTY ON FRIDAY AFTERNOON AND FRIDAY NIGHT. GUSTS TO 40 TO 50 MPH ARE POSSIBLE. THUNDERSTORMS ARE AGAIN POSSIBLE NEXT MONDAY AND TUESDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THIS EVENING. LMZ521-522-541>543-032015- THE BAY OF GREEN BAY SOUTH OF A LINE FROM CEDAR RIVER MI TO ROCK ISLAND PASSAGE-LAKE MICHIGAN FROM WASHINGTON ISLAND TO SHEBOYGAN- 305 PM CDT THU SEP 2 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST LAKE MICHIGAN AND THE WATERS OF GREEN BAY. .DAY ONE...TONIGHT A LINE OF THUNDERSTORMS ARE EXPECTED TO MOVE THROUGH NORTHEAST WISCONSIN THIS EVENING. GUSTY WINDS AND HAIL ARE POSSIBLE WITH THE STRONGEST STORMS. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH THURSDAY DEEPENING LOW PRESSURE MOVING ACROSS LAKE SUPERIOR WILL PRODUCE STRONG WEST TO NORTHWEST WINDS FRIDAY THROUGH EARLY SATURDAY. A SMALL CRAFT ADVISORY IS IN EFFECT THROUGH FRIDAY. GALE FORCE WINDS AND LARGE WAVES ARE POSSIBLE WITH THIS STORM SYSTEM LATER FRIDAY. MARINERS SHOULD STAY AWARE OF THE LATEST FORECASTS AND WARNINGS AS WE MOVE INTO THE LABOR DAY WEEKEND. AK
The La Crosse radar (KARX), 126 km away, was scanning. The volume nearest the first event began at 21:52 UTC.
4 thunderstorm wind. Local standard time, as filed.
Thunderstorm wind gusts downed trees in Wisconsin Rapids as the storm moved through the area.
Thunderstorm winds, estimated at 60 mph, downed trees and caused power outages on the east side of Plover.
A storm spotter estimated thunderstorm winds of at least 60 mph northeast of Plover. Trees were uprooted in the area.
Numerous trees were blown down and a 25 foot ham radio tower was blown over by thunderstorm winds just north of Ellison Bay.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Wisconsin in 2010Every state in 2010This day in weather historyWarnings in Wisconsin, September 2010
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: 260329, 262069, 260330, 260331.