Several thunderstorms moved across portions of west central Wisconsin during the evening of Sunday, June 10th. One of the storms produced a severe wind gust and caused several power poles to blow down near Osceola.
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 MPX wrote it up.
Several thunderstorms moved across portions of west central Wisconsin during the evening of Sunday, June 10th. One of the storms produced a severe wind gust and caused several power poles to blow down near Osceola.
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 Jun 10, 6:16 PM CST, 2 hours 19 minutes earlier.
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 716 PM CDT SUN JUN 10 2012 .UPDATE... UPDATED FOR THE 00Z AVIATION DISCUSSION BELOW. .DISCUSSION... SHORT TERM CONCERN REMAINS SEVERE WEATHER THREAT ASSOCIATED WITH WESTERN MINNESOTA BORDER COLD FRONT. CONVECTION BEGINNING TO DEVELOP ALONG FRONTAL BOUNDARY. MOST UNSTABLE CAPES AROUND 2000 J/KG AHEAD OF THE BOUNDARY WITH DOWNDRAFT CAPES NOT FAR BEHIND. EFFECTIVE SHEAR VALUES OF 30 KNOTS PLUS VICINITY OF THE BOUNDARY WILL BE ENOUGH TO GENERATE SEVERE STORMS WITH STRONG WINDS AND HAIL THIS EVENING. EXPECT ACTIVITY TO WANE AS THE EVENING WEARS ON AND MOVES INTO WESTERN WISCONSIN. FRONT MOVES THROUGH WESTERN WISCONSIN THROUGH 12Z MONDAY. COLD AIR ALOFT/UPPER TROUGH SHOULD BE ABLE TO DEVELOP SOME AFTERNOON INSTABILITY SHOWERS OVER NORTHERN MINNESOTA WITH A FAIR AMOUNT OF CUMULUS INTO THE CENTRAL CWA. WILL HOLD ONTO SOME SMALL CHANCE SHOWERS NORTHERN PORTION OF THE AREA IF INDEED SHOWERS DEVELOP AND MOVE SOUTHEAST NEAR THE CWA. HIGH TEMPERATURES MONDAY WILL COOL OFF SOME 10 TO 15 DEGREES FROM TODAYS TEMPERATURES. CLEARING AND COOL CONDITIONS WILL BE RULE FOR TUESDAY AS THE SURFACE HIGH MOVES ACROSS THE REGION TUESDAY AND TUESDAY NIGHT. RETURN FLOW AND INCOMING SHORT WAVE WILL DRIVE CLOUDS AND CHANCE OF SHOWERS AND THUNDER INTO MINNESOTA BY WEDNESDAY. THIS LIFTS NORTH AND EAST AND SHOULD FOCUS MAIN THREAT OVER CENTRAL AND NORTHERN PORTIONS OF THE AREA. LONGER TERM MODELS DIVERGE SOME ON OVERALL DEVELOPMENT OF UPPER AIR PATTERN...WITH THE THE GFS HAVING SOME CONVECTIVE FEEDBACK PROBLEMS LATER IN THE PERIOD AND IS MORE AMPLIFIED WITH WEST COAST TROUGH. THE 12Z ECMWF IS A BIT MORE PROGRESSIVE WITH THE UPPER TROUGH AND DRIVES ANOTHER BOUNDARY ACROSS THE REGION NEXT WEEKEND. WITH EVENTUAL RIDGING/HIGHER HEIGHTS ENVELOPING THE AREA...WE SHOULD SEE TEMPERATURES WARM THROUGH THE 80S THE END OF THE WEEK AND INTO NEXT WEEKEND...AHEAD OF THE BOUNDARY. && .AVIATION.../00Z TAF ISSUANCE/ NORTH-SOUTH ORIENTATED LINE OF THUNDERSTORM STRETCHING ACROSS MINNESOTA THIS EVENING. INDIVIDUAL STORMS ARE MOVING TO THE NORTHEAST AT 40-45MPH...BUT THE WHOLE AREA OF SHOWERS IS ONLY TRANSLATING EAST AT ABOUT 20 MPH. SO...THE STORMS WILL TAKE THEIR TIME CLEARING MN AND MOVING INTO WI. THERE HAS BEEN A GRADUAL WEAKENING TREND IN THE STORMS OVER THE PAST 1-2 HOURS AND THIS IS EXPECTED TO CONTINUE. ONLY BRIEF PERIODS OF IFR/MVFR VIS AND MVFR CEILINGS WITH THUNDERSTORMS BEFORE 06Z...OTHERWISE VFR IS EXPECTED. STRONG WEST WINDS ARE EXPECTED TOMORROW BEHIND THE FRONT. KMSP...THUNDERSTORMS WILL BE IN THE AREA UNTIL ROUGHLY 04Z THIS EVENING. THE INTENSITY OF STORMS HAS REALLY FALLEN OFF...BUT THERE ARE NUMEROUS UPDRAFTS AND CONVECTIVE TOWERS OUT THERE. NAVIGATING AIRCRAFT AROUND THE TOWERS WILL BE DIFFICULT...ESPECIALLY BETWEEN 01-03Z. WIND SHIFT STILL EXPECT NEAR 01Z WITH THE GUST FRONT. WINDS SUBSIDE TONIGHT...BUT RAMP BACK UP OUT OF THE WEST TOMORROW AFTERNOON. COULD GET SOME CUMULUS TO DEVELOP AND A FEW SHOWERS AREN'T COMPLETELY OUT OF THE QUESTION. MOST LOCATIONS WILL REMAIN DRY. .TUE...VFR/SKC. WINDS NW 5-10 KT. .WED...VFR TO BRIEF PERIODS OF MVFR WITH SCTD SHWRS/TSTMS WEST. VFR EAST. S WINDS 10-15 KT. .THU...VFR TO MVFR WITH ISOLD SHWRS/TSTMS NORTH. VFR CENTRAL AND SOUTH. S WINDS AROUND 10 KT. && .MPX WATCHES/WARNINGS/ADVISORIES... MN...NONE. WI...NONE. && JPC/CLF
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 121 PM CDT SUN JUN 10 2012 MNZ041>045-047>070-073>078-082>085-091>093-WIZ014>016-023>028- 111000- 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- 121 PM CDT SUN JUN 10 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL AND SOUTHERN MINNESOTA... AND WEST CENTRAL WISCONSIN. .DAY ONE...THIS AFTERNOON AND TONIGHT THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING ACROSS THE ENTIRE OUTLOOK AREA. THE PRIMARY SEVERE THREATS WILL BE FROM LARGE HAIL AND STRONG STRAIGHT LINE WINDS...THOUGH AN ISOLATED TORNADO CAN NOT BE RULED OUT IN THE AFTERNOON. STORMS ARE EXPECTED TO DEVELOP ALONG A COLD FRONT BETWEEN 2 PM AND 4 PM IN WESTERN MINNESOTA AND WILL QUICKLY DEVELOP INTO A LINE THAT WILL MOVE INTO EASTERN MINNESOTA DURING THE EVENING AND ACROSS WESTERN WISCONSIN TONIGHT. IN ADDITION...UNSEASONABLY WARM CONDITIONS ARE EXPECTED TODAY AHEAD OF THE COLD FRONT ACROSS SOUTH CENTRAL AND EAST CENTRAL MINNESOTA INTO WESTERN WISCONSIN...WHERE AFTERNOON HIGHS ARE AGAIN EXPECTED TO TOP OUT IN THE UPPER 80S TO LOWER 90S. PLAN ON TAKING EXTRA PRECAUTIONS IF YOU WORK OR SPEND AN EXTENDED PERIOD OF TIME OUTSIDE. STRONG SOUTH WINDS WILL RETURN AHEAD OF THE COLD FRONT ACROSS THE MINNESOTA PORTION OF THE OUTLOOK AREA BY LATE THIS MORNING. SUSTAINED WINDS OF 25 TO 30 MPH...WITH GUSTS BETWEEN 30 AND 40 MPH ARE EXPECTED BY THE AFTERNOON EAST OF THE COLD FRONT. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY THUNDERSTORMS WILL BE POSSIBLE ACROSS PARTS OF THE AREA TUESDAY NIGHT THROUGH SATURDAY. THOUGH THE MOST LIKELY PERIODS FOR STORMS LOOKS TO BE TUESDAY NIGHT INTO WEDNESDAY FROM SOUTHWEST MINNESOTA INTO CENTRAL MINNESOTA AND AGAIN FRIDAY NIGHT INTO SATURDAY ACROSS THE ENTIRE OUTLOOK AREA. AT THIS TIME...THE SEVERE WEATHER THREAT WITH ANY OF THIS ACTIVITY LOOKS LOW. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTER ACTIVATION WILL LIKELY BE NEEDED LATER THIS AFTERNOON THROUGH THIS EVENING.
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
902 PM CDT SUN JUN 10 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0851 PM TSTM WND DMG 9 W NEW PRAGUE 44.54N 93.76W
06/10/2012 LE SUEUR MN TRAINED SPOTTER
12 INCH DIAMETER TREE DOWN.
&&
SPDPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
915 PM CDT SUN JUN 10 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0815 PM TSTM WND DMG DAYTON 45.19N 93.47W
06/10/2012 HENNEPIN MN EMERGENCY MNGR
POWER LINE AND TREE DOWN ON THE ROAD AT FERNBROOK LANE
AND 129TH AVE.
&&
SPDPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
917 PM CDT SUN JUN 10 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0816 PM TSTM WND DMG 3 WSW EXCELSIOR 44.92N 93.62W
06/10/2012 HENNEPIN MN EMERGENCY MNGR
TREE AND POWER LINE DOWN ON A ROAD.
&&
SPDPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
918 PM CDT SUN JUN 10 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0817 PM TSTM WND DMG 3 W EXCELSIOR 44.94N 93.62W
06/10/2012 HENNEPIN MN EMERGENCY MNGR
POWER LINES DOWN.
&&
SPDPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
920 PM CDT SUN JUN 10 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0752 PM TSTM WND DMG 4 SE LAKE CRYSTAL 44.05N 94.16W
06/10/2012 BLUE EARTH MN TRAINED SPOTTER
LARGE BRANCHES DOWN.
&&
SPDPRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
924 PM CDT SUN JUN 10 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0452 PM TSTM WND GST OLIVIA 44.78N 95.00W
06/10/2012 M59.00 MPH RENVILLE MN AWOS
0518 PM HAIL AVON 45.61N 94.45W
06/10/2012 M1.00 INCH STEARNS MN TRAINED SPOTTER
0534 PM TSTM WND GST EDEN VALLEY 45.33N 94.55W
06/10/2012 M50.00 MPH MEEKER MN TRAINED SPOTTER
0550 PM TSTM WND DMG 3 SE ST STEPHEN 45.67N 94.23W
06/10/2012 STEARNS MN TRAINED SPOTTER
TWO TREES, ONE FOOT IN DIAMETER EACH WERE BLOWN OVER
ACROSS COUNTY ROAD 1.
0552 PM TSTM WND DMG ST AUGUSTA 45.44N 94.19W
06/10/2012 STEARNS MN TRAINED SPOTTER
12 TO 18 INCH DIAMETER TREES SNAPPED OFF AT THE
INTERSECTION OF HIGHWAY 15 AND COUNTY ROAD 47.
0554 PM HAIL RICE 45.75N 94.23W
06/10/2012 M1.00 INCH BENTON MN TRAINED SPOTTER
JUST NORTH OF HWY 10.
0605 PM TSTM WND DMG 1 N FERNANDO 44.67N 94.46W
06/10/2012 MCLEOD MN LAW ENFORCEMENT
SEVERAL TREES DOWN, SOME 18 INCHES IN DIAMETER. SHED
BLOWN OVER WITH METAL WRAPPED AROUND TREES AND POWER
POLES. POWER POLES DOWN AS WELL.
0610 PM TSTM WND DMG BROWNTON 44.73N 94.35W
06/10/2012 MCLEOD MN LAW ENFORCEMENT
TREE DOWN ON VEHICLE. DUGOUT AND FENCE AT A BASEBALL
FIELD BLOWN OVER. PINE TREES OF 2 FEET IN DIAMETER BLOWN
OVER.
0637 PM TSTM WND DMG 6 NW ONAMIA 46.13N 93.74W
06/10/2012 MILLE LACS MN LAW ENFORCEMENT
MULTIPLE TREES DOWN AT KATHIO STATE PARK.
0752 PM TSTM WND DMG 4 SE LAKE CRYSTAL 44.05N 94.16W
06/10/2012 BLUE EARTH MN TRAINED SPOTTER
LARGE BRANCHES DOWN.
0807 PM TSTM WND DMG 5 N ST FRANCIS 45.46N 93.36W
06/10/2012 ISANTI MN LAW ENFORCEMENT
AT THE INTERSECTION OF HIGHWAY 47 AND COUNTY ROAD 53,
FOUR 5 INCH BRANCHES DOWN.
0815 PM TSTM WND DMG DAYTON 45.19N 93.47W
06/10/2012 HENNEPIN MN EMERGENCY MNGR
POWER LINE AND TREE DOWN ON THE ROAD AT FERNBROOK LANE
AND 129TH AVE.
0816 PM TSTM WND DMG 3 WSW EXCELSIOR 44.92N 93.62W
06/10/2012 HENNEPIN MN EMERGENCY MNGR
TREE AND POWER LINE DOWN ON A ROAD.
0817 PM TSTM WND DMG 3 W EXCELSIOR 44.94N 93.62W
06/10/2012 HENNEPIN MN EMERGENCY MNGR
POWER LINES DOWN.
0821 PM TSTM WND DMG 4 SSE COLOGNE 44.72N 93.77W
06/10/2012 CARVER MN LAW ENFORCEMENT
ONE FOOT DIAMETER TREE DOWN.
0827 PM TSTM WND GST NEW PRAGUE 44.55N 93.57W
06/10/2012 M58.00 MPH SCOTT MN MESONET
0835 PM TSTM WND DMG 5 SSW BELLE PLAINE 44.55N 93.80W
06/10/2012 SCOTT MN LAW ENFORCEMENT
ROOF BLOWN OFF HOUSE, SHED DOWN, AND A 48 FOOT GRAIN BIN
BLOWN INTO A FIELD.
0838 PM TSTM WND GST 1 S CONGER 43.60N 93.53W
06/10/2012 M73.00 MPH FREEBORN MN TRAINED SPOTTER
ROOF BLOWN OFF SHED AS WELL.
0851 PM TSTM WND DMG 9 W NEW PRAGUE 44.54N 93.76W
06/10/2012 LE SUEUR MN TRAINED SPOTTER
12 INCH DIAMETER TREE DOWN.
&&
SPDThe Minneapolis radar (KMPX), 86 km away, was scanning. The volume nearest the first event began at 02:36 UTC.
2 thunderstorm wind. Local standard time, as filed.
Several power poles were blown down around Osceola.
A large tree was blown down and blocked 190th Avenue, east of Highway 35.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Wisconsin in 2012Every state in 2012This day in weather historyWarnings in Wisconsin, June 2012
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: 377473, 381734.