Damaging Winds in Wisconsin, July 1, 2011

Name: Damaging Winds in Wisconsin, July 1, 2011
Start: 2011-07-01T18:30
End: 2011-07-01T20:30
Location: Wisconsin

July 1, 2011 · NWS MPX · 6 events in 4 counties and zones

A very hot and humid day occurred across southern Minnesota, and western Wisconsin Friday, July 1st. A frontal boundary held across the southwest part of the state, then northeast across east central Minnesota, and into portions of west central and northern Wisconsin.

Where it happened

Every event with a place to put it. Tap one for its entry below.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: $50,000
Crop damage: None recorded
Events: 6

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.

What happened

The episode as NWS MPX wrote it up.

During the afternoon, a large thunderstorm complex developed across southeast South Dakota, along this frontal boundary and moved into far southwest Minnesota. Several long duration super cells and bow echoes occurred along a path from the southwest, to the northeast across southern Minnesota, and into west central Wisconsin. A secondary area of thunderstorms moved across southern Minnesota, and into west central Wisconsin during the evening hours and produced additional severe wind gusts and damage.

Most of the damage was associated with large trees blown down.

What forecasters said that day

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 Jul 1, 5:53 PM CST, 37 minutes earlier.

Area forecast discussion, Jul 1, 5:53 PM CST, 37 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
653 PM CDT FRI JUL 1 2011

00Z AVIATION UPDATE BELOW...

&&

.DISCUSSION...

PRE-FRONTAL HEATING RAMPING UP AFTERNOON TEMPERATURES INTO THE MID
90S ACROSS MUCH OF THE EASTERN TWO THIRDS OF THE CWA. SPC SEVERE WEATHER
WATCH IN EFFECT UNTIL 02Z ACROSS MUCH OF FA. EXPECT WIDESPREAD SHOWERS
AND THUNDERSTORMS LATE THIS AFTN THROUGH THE EVENING ASSOCIATED
WITH A COOL FRONT ENTERING FAR WESTERN MN. COOL FRONT ANTICIPATED
TO TREK TO NEAR A LINE FROM NORTHEAST WI TO SE IA BY SAT/12Z.
CAP ANTICIPATED TO BREAK DOWN SIGNIFICANTLY LATE THIS AFTN ACROSS
THE WESTERN THIRD OF MN...WITH CONTINUE BREAKDOWN EXPECTED FOR
REMAINDER OF AREA OF RESPONSIBILITY BY 02/06Z. HRRR NOT BAD WITH
CURRENT PLACEMENT OF T-STORMS ENTERING WEST CENTRAL MN. IT DEPICTS
AREA OF CONVECTION FROM NEAR HINCKLEY INTO SOUTH CENTRAL MN BY 01Z.
GFS40 STILL HANDLING SYSTEM TIMING AND INTENSITY WELL...WITH BEST
THETA E ADVECTION DEVELOPING FROM SOUTH CENTRAL MN...TO TWIN CITIES
TO JUST SW OF DULUTH BY 00Z. SIGNIFICANT MOISTURE TRANSPORT VECTORS
COMBINED WITH MPX PCPN WATER OF 1.65 THIS MORNING AND AFTN DEW POINTS
IN THE LOW TO MID 70S POINTS TO PRODIGIOUS WATER PRODUCING
THUNDERSTORMS OVER THIS SAME REGION PRIOR TO 03Z. ONE TO TWO INCH
RAINFALL AMOUNTS LOOKS LIKELY WITH SOME OF THE STRONGEST
THUNDERSTORMS. PLENTLY OF AVAILABLE JOULES...MODERATE LI'S AND MID
LEVEL CAPE SUPPORTING A MAINLY HAIL AND STRONG WIND EVENT. AN ISOLATED
TORNADO NOT OUT OF THE QUESTION NEAR THE WEAK SFC CYCLONE AS IT PROCEEDS
NORTHEAST OUT OF SW MN THIS EVENING.

MOST OF THE CONVECTIVE ACTIVITY WILL END ACROSS THE FA SHORTLY AFTER
02/06Z. LOOKS LIKE A STELLAR WEEKEND SHAPING UP ACROSS THE
REGION...WITH PLENTY OF SUNSHINE AND NEAR NORMAL TEMPERATURES.
BIG SFC DOME OF HIGH PRESSURE PARKS ITSELF OVER MN AND WI SATURDAY
NIGHT. PLENTY OF RADIATIONAL COOLING AND RESIDUAL MOISTURE FROM TONIGHT
STORMS SHOULD SET UP AREA OF FOG BY LATE SATURDAY NIGHT MUCH OF
FA.

NEXT CHANCE FOR CONVECTION WILL BE SEEN MONDAY NIGHT INTO EARLY
TUESDAY NIGHT ASSOCIATED WITH ANOTHER WEAK...SLOW MOVING FRONTAL
BOUNDARY. UPPED POPS SLIGHTLY DUE TO CONTINUED AGREEMENT LAST FEW
RUNS BETWEEN NAM AND GFS40. FINAL MENTION OF NOTE INVOLVES ADDITIONAL
CLOUD COVER ANTICIPATED ACROSS UPPER MIDWEST AS 50H RIDGE BREAKS DOWN
MONDAY INTO WEDNESDAY. THIS CONFIGURATION WILL ALLOW PROGRESSION OF
FASTER MOVING SYSTEMS ACROSS NORTHERN U.S. FROM MID PACIFIC INTO
AT LEAST NEXT WEEKEND.

&&

.AVIATION.../00Z TAF ISSUANCE/

FOCUS AT THE MOMENT IS THE SEVERE WEATHER OCCURRING IN AND AROUND
THE KRWF AND KSTC TAF SITES AND EVOLUTION OF THUNDERSTORM ACTIVITY
NEAR KMSP AND KRNH IN THE NEAR TERM. FRONT CONTINUES TO MOVE SLOWLY
THROUGH MN WITH SEVERAL THUNDERSTORM AREAS ALONG THE FRONT MAINLY
IN CENTRAL MN. THE COMPLEX THAT JUST MOVED THROUGH KSTC PRODUCED
WINDS THAT GUSTED TO 47 KNOTS AND REDUCED VISIBILITIES TO 1/2SM.
SIMILAR CONDITIONS WERE OBSERVED AT KRWF WITH HIGHER WINDS. AS
THE FRONT MOVES TOWARD THE EAST WE CAN EXPECT THUNDERSTORM
ACTIVITY TO IMPACT KMSP BY 0030Z AND KRNH BY 0100Z. DO NOT EXPECT
TO SEE WINDS IN THE 50 KT RANGE AT EITHER SITE BUT 35 KTS CAN BE
EXPECTED. VISIBILITIES MAY BE REDUCED TO 3SM FOR A SHORT PERIOD OF
TIME OR LOWER IF THE CORE OF THE THUNDERSTORM PASSES RIGHT OVER
THE TAF LOCATION. DO NOT EXPECT THAT. CONVECTION SHOULD CAUSE THE
FRONT TO PICK UP SPEED AND MOVE THROUGH THE AREA BY 06Z AND THEN ALL
THUNDERSTORM ACTIVITY WILL BE FINISHED. A FEW MODELS HOLD ON TO
PRECIPITATION TIL 09Z BUT BELIEVE THAT IS OVER DONE.

AFTER 06Z EXPECT VFR CONDITIONS THROUGH THE 4TH OF JULY.

KMSP...BEST CHANCE FOR SEVERE THUNDERSTORM OR ACTIVITY WILL BE
BEFORE 02Z. EXPECT GUSTS WITH THUNDERSTORMS TO APPROACH 35 KTS.
SLIGHT CHANCE WE COULD SEE A GUST TO 50 KNOTS. VISIBILITIES
DROPPING TO 3SM WITH THE THUNDERSTORM. GENERAL THUNDERSTORMS IN
THE VICINITY FROM 02Z TO 0330Z. A FEW OF THE MODEL HAVE
PRECIPITATION THROUGH 09Z BUT THAT DOES NOT SEEM REASONABLE AT
THIS POINT IN TIME.

OUTLOOK...VFR THROUGH THE 4TH.

&&

.MPX WATCHES/WARNINGS/ADVISORIES...
MN...HEAT ADVISORY UNTIL 8 PM CDT THIS EVENING FOR ANOKA-BLUE EARTH-
     CHISAGO-DAKOTA-FARIBAULT-FREEBORN-GOODHUE-ISANTI-LE SUEUR-
     RICE-SCOTT-STEELE-WASECA-WASHINGTON.

     EXCESSIVE HEAT WARNING UNTIL 8 PM CDT THIS EVENING FOR HENNEPIN-
     RAMSEY.

WI...HEAT ADVISORY UNTIL 8 PM CDT THIS EVENING FOR BARRON-CHIPPEWA-
     DUNN-EAU CLAIRE-PEPIN-PIERCE-POLK-RUSK-ST. CROIX.

&&

AJZ/DRL

Hazardous weather outlook, Jul 1, 3:56 PM CST, 2 hours 34 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
456 PM CDT FRI JUL 1 2011

MNZ044-045-051>053-059>063-066>070-075>078-083>085-092-093-
WIZ014>016-023>028-022200-
MILLE LACS-KANABEC-SHERBURNE-ISANTI-CHISAGO-WRIGHT-HENNEPIN-ANOKA-
RAMSEY-WASHINGTON-MCLEOD-SIBLEY-CARVER-SCOTT-DAKOTA-NICOLLET-
LE SUEUR-RICE-GOODHUE-BLUE EARTH-WASECA-STEELE-FARIBAULT-FREEBORN-
POLK-BARRON-RUSK-ST. CROIX-PIERCE-DUNN-PEPIN-CHIPPEWA-EAU CLAIRE-
456 PM CDT FRI JUL 1 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
MINNESOTA...EAST CENTRAL MINNESOTA...SOUTH CENTRAL MINNESOTA...
SOUTHEAST MINNESOTA...NORTHWEST WISCONSIN AND WEST CENTRAL
WISCONSIN.

.DAY ONE...TONIGHT

HUMID AND WARM CONDITIONS WILL REMAIN OVER THE AREA INTO THIS
EVENING. SEE THE LATEST EXCESSIVE HEAT WARNING AND HEAT ADVISORY
FOR MORE INFORMATION.

A SEVERE THUNDERSTORM WATCH IS IN EFFECT ACROSS MUCH OF SOUTHERN
MINNESOTA AND ALL OF WEST CENTRAL WISCONSIN UNTIL 10 PM THIS
EVENING. ANY SEVERE THUNDERSTORMS THAT FORM WILL BE CAPABLE OF
PRODUCING LARGE HAIL AND SCATTERED DAMAGING WINDS...AND HEAVY
RAIN. ISOLATED TORNADOES ARE STILL POSSIBLE MAINLY WEST OF A LINE
FROM MORA TO CARVER TO ST JAMES PRIOR TO 7 PM. AFTER 7 PM THE ISOLATED
TORNADO THREAT WILL BE GREATEST EAST OF THIS LINE...INTO WEST
CENTRAL WISCONSIN.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THUNDERSTORMS ARE POSSIBLE MONDAY NIGHT AND TUESDAY. SEVERE WEATHER
IS NOT ANTICIPATED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SKY WARN SPOTTER ACTIVATION WILL LIKELY BE NEEDED LATE THIS AFTERNOON
INTO THE MID EVENING HOURS.

MNZ041>043-047>050-054>058-064-065-073-074-082-091-022200-
DOUGLAS-TODD-MORRISON-STEVENS-POPE-STEARNS-BENTON-LAC QUI PARLE-
SWIFT-CHIPPEWA-KANDIYOHI-MEEKER-YELLOW MEDICINE-RENVILLE-REDWOOD-
BROWN-WATONWAN-MARTIN-
456 PM CDT FRI JUL 1 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
MINNESOTA...SOUTH CENTRAL MINNESOTA...SOUTHWEST MINNESOTA AND
WEST CENTRAL MINNESOTA.

.DAY ONE...TONIGHT

HUMID AND WARM CONDITIONS WILL REMAIN OVER THE AREA INTO THIS
EVENING. SEE THE LATEST EXCESSIVE HEAT WARNING AND HEAT ADVISORY
FOR MORE INFORMATION.

A SEVERE THUNDERSTORM WATCH IS IN EFFECT ACROSS MUCH OF SOUTHERN
MINNESOTA UNTIL 10 PM THIS EVENING. ANY SEVERE THUNDERSTORMS THAT
FORM WILL BE CAPABLE OF PRODUCING LARGE HAIL AND SCATTERED
DAMAGING WINDS...AND HEAVY RAIN. ISOLATED TORNADOES ARE STILL
POSSIBLE MAINLY WEST OF A LINE FROM MORA TO CARVER TO ST JAMES
PRIOR TO 7 PM. AFTER 7 PM THE ISOLATED TORNADO THREAT WILL BE
GREATEST EAST OF THIS LINE...INTO WEST CENTRAL WISCONSIN.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THUNDERSTORMS ARE POSSIBLE MONDAY NIGHT AND TUESDAY. SEVERE
THUNDERSTORMS ARE NOT EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION WILL LIKELY BE NEEDED LATE THIS AFTERNOON
INTO THE EARLY EVENING HOURS.

AZ

In the hours before

Local storm report, Jul 1, 6:18 PM CST, 12 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
718 PM CDT FRI JUL 01 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0713 PM     FUNNEL CLOUD     4 W GLENCOE             44.77N 94.23W
07/01/2011                   MCLEOD             MN   TRAINED SPOTTER

            COULD NOT SEE ROTATION.

&&

JALLAND

Local storm report, Jul 1, 6:20 PM CST, 10 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
720 PM CDT FRI JUL 01 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0645 PM     TSTM WND GST     1 SSW BUFFALO           45.17N 93.87W
07/01/2011  M73 MPH          WRIGHT             MN   STORM CHASER

            6 INCH TO 8 INCH BRANCHES DOWN

&&

JALLAND

Local storm report, Jul 1, 6:21 PM CST, 9 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
721 PM CDT FRI JUL 01 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0713 PM     FUNNEL CLOUD     4 W GLENCOE             44.77N 94.23W
07/01/2011                   MCLEOD             MN   TRAINED SPOTTER

&&

JALLAND

Local storm report, Jul 1, 6:22 PM CST, 8 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
722 PM CDT FRI JUL 01 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0722 PM     TSTM WND GST     5 W AMERY               45.30N 92.47W
07/01/2011  M68 MPH          POLK               WI   TRAINED SPOTTER

            MEASURED WITH HAND HELD ANEMOMETER.

&&

AJZ

Local storm report, Jul 1, 6:23 PM CST, 7 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
723 PM CDT FRI JUL 01 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0440 PM     TSTM WND DMG     LUCAN                   44.41N 95.41W
07/01/2011                   REDWOOD            MN   TRAINED SPOTTER

            NUMEROUS TREES DOWN UP TO 3 FEET IN DIAMETER. SOME FELL
            ONTO HOUSES AND BUILDINGS. TIME WAS ESTIMATED.

0450 PM     TSTM WND DMG     WABASSO                 44.40N 95.25W
07/01/2011                   REDWOOD            MN   AMATEUR RADIO

            TIME ESTIMATED. 5 INCH DIAMETER TREE BRANCHES DOWN.

0451 PM     TSTM WND GST     REDWOOD FALLS           44.54N 95.11W
07/01/2011  M59.00 MPH       REDWOOD            MN   ASOS

            MEASURED AT REDWOOD FALLS AIRPORT

0456 PM     TSTM WND GST     REDWOOD FALLS           44.54N 95.11W
07/01/2011  M62.00 MPH       REDWOOD            MN   MESONET

            MEASURED AT REDWOOD VALLEY HIGH SCHOOL

0457 PM     TSTM WND DMG     REDWOOD FALLS           44.54N 95.11W
07/01/2011                   REDWOOD            MN   AMATEUR RADIO

            5 INCH DIAMETER BRANCHES DOWN

0457 PM     HAIL             REDWOOD FALLS           44.54N 95.11W
07/01/2011  M0.75 INCH       REDWOOD            MN   AMATEUR RADIO

0458 PM     TSTM WND GST     REDWOOD FALLS           44.54N 95.11W
07/01/2011  M78.00 MPH       REDWOOD            MN   STORM CHASER

            MEASURED WITH CAR ANEMOMETER.

0500 PM     TSTM WND DMG     1 N DANUBE              44.81N 95.10W
07/01/2011                   RENVILLE           MN   TRAINED SPOTTER

            3 POWER POLES DOWN. TOP PART OF AN 80 FOOT TREE ROUGHLY
            2.5 FEET IN DIAMETER TAKEN OFF. REPORT FROM SPOTTER A-20.

0500 PM     TSTM WND DMG     RENVILLE                44.79N 95.21W
07/01/2011                   RENVILLE           MN   TRAINED SPOTTER

            RIPPED METAL SHEETS OFF BUILDING EXTERIOR.

0500 PM     HAIL             REDWOOD FALLS           44.54N 95.11W
07/01/2011  M1.25 INCH       REDWOOD            MN   STORM CHASER

0502 PM     HAIL             2 S DASSEL              45.05N 94.31W
07/01/2011  M2.75 INCH       MEEKER             MN   TRAINED SPOTTER

0503 PM     HAIL             DARWIN                  45.10N 94.40W
07/01/2011  M1.75 INCH       MEEKER             MN   AMATEUR RADIO

0504 PM     HAIL             RENVILLE                44.79N 95.21W
07/01/2011  M1.00 INCH       RENVILLE           MN   TRAINED SPOTTER

            ESTIMATED TIME

0508 PM     TSTM WND DMG     1 N DANUBE              44.81N 95.10W
07/01/2011                   RENVILLE           MN   TRAINED SPOTTER

            THREE POWER LINES DOWN.

0509 PM     HAIL             2 SE DASSEL             45.06N 94.28W
07/01/2011  M1.00 INCH       MEEKER             MN   TRAINED SPOTTER

0510 PM     HAIL             1 N DANUBE              44.81N 95.10W
07/01/2011  M0.88 INCH       RENVILLE           MN   TRAINED SPOTTER

            REPORT FROM SPOTTER A-20. DIME TO NICKEL SIZE HAIL.

0511 PM     TSTM WND GST     REDWOOD FALLS           44.54N 95.11W
07/01/2011  M63.00 MPH       REDWOOD            MN   ASOS

            MEASURED FROM THE REDWOOD FALLS AIRPORT

0512 PM     HAIL             DASSEL                  45.08N 94.31W
07/01/2011  M1.00 INCH       MEEKER             MN   TRAINED SPOTTER

0515 PM     HAIL             2 S DASSEL              45.05N 94.31W
07/01/2011  M2.00 INCH       MEEKER             MN   TRAINED SPOTTER

0517 PM     HAIL             4 SW DASSEL             45.04N 94.37W
07/01/2011  M4.25 INCH       MEEKER             MN   STORM CHASER

            VIA SPOTTER NETWORK

0517 PM     TSTM WND DMG     REDWOOD FALLS           44.54N 95.11W
07/01/2011                   REDWOOD            MN   STORM CHASER

            NUMEROUS TREES DOWN...SOME AS WIDE AS 2.5 FEET. SEVERAL
            POWER LINES DOWN...SOME ROOF DAMAGE. ALL REPORTED IN
            DOWNTOWN AREA.

0518 PM     HAIL             COSMOS                  44.94N 94.70W
07/01/2011  M0.75 INCH       MEEKER             MN   TRAINED SPOTTER

            DIME SIZE HAIL REPORTED FOR SEVERAL MINUTES.

0524 PM     HAIL             COLLEGEVILLE            45.60N 94.37W
07/01/2011  M1.00 INCH       STEARNS            MN   AMATEUR RADIO

0525 PM     TSTM WND DMG     2 NE HECTOR             44.76N 94.68W
07/01/2011                   RENVILLE           MN   TRAINED SPOTTER

            TWO FOOT TREES DOWN.

0525 PM     HAIL             3 SW BUFFALO            45.15N 93.91W
07/01/2011  M1.25 INCH       WRIGHT             MN   AMATEUR RADIO

            HIGHWAY 55 AND COUNTY ROAD 12

0526 PM     HAIL             1 WSW BUFFALO           45.17N 93.89W
07/01/2011  E2.00 INCH       WRIGHT             MN   TRAINED SPOTTER

0530 PM     TSTM WND DMG     OLIVIA                  44.78N 95.00W
07/01/2011                   RENVILLE           MN   TRAINED SPOTTER

            ONE FOOT DIAMETER TREES DOWN ALONG WITH POWER LINES.

0530 PM     TSTM WND DMG     S HUTCHINSON            44.89N 94.37W
07/01/2011                   MCLEOD             MN   TRAINED SPOTTER

            ONE AND A HALF INCH DIAMETER BRANCHES DOWN. HIGHWAY 15.

0530 PM     HAIL             OLIVIA                  44.78N 95.00W
07/01/2011  M1.00 INCH       RENVILLE           MN   TRAINED SPOTTER

0531 PM     HAIL             4 SSE SILVER CREEK      45.26N 93.91W
07/01/2011  M1.00 INCH       WRIGHT             MN   TRAINED SPOTTER

0532 PM     HAIL             ST JOSEPH               45.57N 94.32W
07/01/2011  M1.75 INCH       STEARNS            MN   AMATEUR RADIO

            INTERSTATE 94 AND COUNTY ROAD 2

0538 PM     TSTM WND DMG     ST STEPHEN              45.70N 94.28W
07/01/2011                   STEARNS            MN   AMATEUR RADIO

            POWER POLES DOWN

0539 PM     HAIL             ANNANDALE               45.26N 94.12W
07/01/2011  M1.00 INCH       WRIGHT             MN   TRAINED SPOTTER

0540 PM     TSTM WND DMG     HUTCHINSON              44.89N 94.37W
07/01/2011                   MCLEOD             MN   AMATEUR RADIO

            2 INCH TO 4 INCH DIAMETER BRANCHES DOWN. MAIN STREET.

0540 PM     HAIL             2 S MONTICELLO          45.28N 93.80W
07/01/2011  M2.00 INCH       WRIGHT             MN   TRAINED SPOTTER

0540 PM     HAIL             HUTCHINSON              44.89N 94.37W
07/01/2011  M1.25 INCH       MCLEOD             MN   AMATEUR RADIO

            MAIN STREET

0540 PM     TSTM WND DMG     14 S HUTCHINSON         44.69N 94.37W
07/01/2011                   MCLEOD             MN   TRAINED SPOTTER

            SEMI TRAILER BLOWN OVER.

0541 PM     HAIL             GROVE CITY              45.15N 94.68W
07/01/2011  M1.00 INCH       MEEKER             MN   TRAINED SPOTTER

0543 PM     HAIL             7 SW MONTICELLO         45.23N 93.90W
07/01/2011  M1.00 INCH       WRIGHT             MN   TRAINED SPOTTER

0544 PM     HAIL             3 N FOLEY               45.71N 93.91W
07/01/2011  M1.00 INCH       BENTON             MN   AMATEUR RADIO

0544 PM     HAIL             5 NNW ST CLOUD          45.62N 94.22W
07/01/2011  M1.00 INCH       STEARNS            MN   TRAINED SPOTTER

0545 PM     HAIL             MONTICELLO              45.30N 93.80W
07/01/2011  M2.75 INCH       WRIGHT             MN   TRAINED SPOTTER

            TIME ESTIMATED.

0545 PM     HAIL             SARTELL                 45.62N 94.21W
07/01/2011  M1.75 INCH       STEARNS            MN   AMATEUR RADIO

0546 PM     HAIL             MONTICELLO              45.30N 93.80W
07/01/2011  M1.00 INCH       WRIGHT             MN   AMATEUR RADIO

0546 PM     TSTM WND DMG     14 S HUTCHINSON         44.69N 94.37W
07/01/2011                   MCLEOD             MN   TRAINED SPOTTER

            SEMI BLOWN OFF THE ROAD INTO THE DITCH.

0546 PM     HAIL             BIG LAKE                45.34N 93.75W
07/01/2011  M0.75 INCH       SHERBURNE          MN   AMATEUR RADIO

0552 PM     HAIL             RICE                    45.75N 94.23W
07/01/2011  M1.00 INCH       BENTON             MN   TRAINED SPOTTER

0552 PM     TSTM WND DMG     2 NW OLIVIA             44.80N 95.03W
07/01/2011                   RENVILLE           MN   STORM CHASER

            OUT BUILDINGS FLATTENED, TREES UPROOTED, GRAIN BINS BLOWN
            OVER.

0555 PM     TSTM WND DMG     HUTCHINSON              44.89N 94.37W
07/01/2011                   MCLEOD             MN   TRAINED SPOTTER

            LARGE TREES DOWN. TREES UP TO 36 INCHES SNAPPED IN HALF.
            ROOF OFF A VET CLINIC. ESTIMATED TIME.

0555 PM     TSTM WND DMG     HUTCHINSON              44.89N 94.37W
07/01/2011                   MCLEOD             MN   AMATEUR RADIO

            CROW RIVER VET HOSPITAL ON HIGHWAY 7 ROOF OFF. POWER POLE
            DOWN. ADDRESS IS 890 SOUTH GRADE ROAD. ESTIMATED TIME.

0556 PM     TSTM WND DMG     1 SE MONTICELLO         45.29N 93.79W
07/01/2011                   WRIGHT             MN   TRAINED SPOTTER

            UTILITY POWER LOST.

0556 PM     HAIL             BIG LAKE                45.34N 93.75W
07/01/2011  M2.00 INCH       SHERBURNE          MN   TRAINED SPOTTER

            COUNTY ROAD 81 AND HIGHWAY 10

0558 PM     HAIL             SARTELL                 45.62N 94.21W
07/01/2011  M1.25 INCH       BENTON             MN   TRAINED SPOTTER

            DENTS ON TRUCK

0558 PM     HAIL             2 NNE BIG LAKE          45.37N 93.73W
07/01/2011  M1.75 INCH       SHERBURNE          MN   TRAINED SPOTTER

0600 PM     TSTM WND DMG     6 SW LITCHFIELD         45.06N 94.61W
07/01/2011                   MEEKER             MN   TRAINED SPOTTER

            24 INCH DIAMETER TREE UPROOTED.

0600 PM     HAIL             4 ENE BECKER            45.39N 93.81W
07/01/2011  M1.25 INCH       SHERBURNE          MN   TRAINED SPOTTER

0600 PM     TSTM WND DMG     1 S COSMOS              44.92N 94.70W
07/01/2011                   MEEKER             MN   TRAINED SPOTTER

            SEVERAL LARGE TREES DOWN...A FEW HOMES DAMAGED.

0600 PM     TSTM WND DMG     DARWIN                  45.10N 94.40W
07/01/2011                   MEEKER             MN   AMATEUR RADIO

            24 INCH TREE DOWN

0601 PM     TSTM WND GST     1 S BIG LAKE            45.32N 93.75W
07/01/2011  M70.00 MPH       SHERBURNE          MN   AMATEUR RADIO

0602 PM     HAIL             5 N BIG LAKE            45.41N 93.75W
07/01/2011  M2.75 INCH       SHERBURNE          MN   AMATEUR RADIO

0606 PM     HAIL             1 N SOUTH HAVEN         45.31N 94.22W
07/01/2011  M1.00 INCH       WRIGHT             MN   AMATEUR RADIO

0608 PM     HAIL             ST AUGUSTA              45.44N 94.19W
07/01/2011  M1.00 INCH       STEARNS            MN   TRAINED SPOTTER

0613 PM     TSTM WND GST     MONTICELLO              45.30N 93.80W
07/01/2011  M52.00 MPH       WRIGHT             MN   TRAINED SPOTTER

            CTY 18 AND I 94

0614 PM     TSTM WND GST     BUFFALO                 45.18N 93.87W
07/01/2011  M68.00 MPH       WRIGHT             MN   AWOS

            MEASURED AT BUFFALO AIRPORT

0615 PM     FUNNEL CLOUD     WAITE PARK              45.55N 94.22W
07/01/2011                   STEARNS            MN   TRAINED SPOTTER

0615 PM     TSTM WND GST     1 S BIG LAKE            45.32N 93.75W
07/01/2011  M71.00 MPH       SHERBURNE          MN   AMATEUR RADIO

0615 PM     TSTM WND GST     4 W BIG LAKE            45.34N 93.83W
07/01/2011  E70.00 MPH       WRIGHT             MN   AMATEUR RADIO

0617 PM     TSTM WND DMG     HUTCHINSON              44.89N 94.37W
07/01/2011                   MCLEOD             MN   TRAINED SPOTTER

            MANY LARGE TREES DOWNED. ROOF DAMAGE TO HOME RESIDENCE.

0617 PM     HAIL             5 SSW CAMBRIDGE         45.50N 93.27W
07/01/2011  M0.88 INCH       ISANTI             MN   TRAINED SPOTTER

0617 PM     HAIL             14 N MILACA             45.96N 93.65W
07/01/2011  M1.00 INCH       MILLE LACS         MN   TRAINED SPOTTER

0620 PM     HAIL             NORTH BRANCH            45.51N 92.98W
07/01/2011  M0.88 INCH       CHISAGO            MN   TRAINED SPOTTER

0622 PM     TSTM WND GST     PRINCETON               45.57N 93.59W
07/01/2011  M62.00 MPH       MILLE LACS         MN   AWOS

            MEASURED AT PRINCETON AIRPORT

0623 PM     HAIL             1 SW ZIMMERMAN          45.44N 93.60W
07/01/2011  M1.00 INCH       SHERBURNE          MN   TRAINED SPOTTER

0625 PM     TSTM WND DMG     ANNANDALE               45.26N 94.12W
07/01/2011                   WRIGHT             MN   TRAINED SPOTTER

            MULTIPLE REPORTS OF DOWNED TREES BLOCKING ROADS. POWER
            LINES DOWN OVER ROADS.

0629 PM     TSTM WND DMG     FORESTON                45.73N 93.71W
07/01/2011                   MILLE LACS         MN   TRAINED SPOTTER

            ROOF BLOWN OFF. JUNCTION OF 155TH AND 165TH AVE.ESTIMATED
            3 MILES FROM BENTON COUNTY BORDER.

0629 PM     HAIL             CAMBRIDGE               45.56N 93.23W
07/01/2011  M1.00 INCH       ISANTI             MN   AMATEUR RADIO

0630 PM     TSTM WND DMG     7 N OGILVIE             45.93N 93.42W
07/01/2011                   KANABEC            MN   TRAINED SPOTTER

            TREE DOWN 20 INCHES IN DIAMETER

0630 PM     TSTM WND DMG     1 SSE CAMBRIDGE         45.55N 93.22W
07/01/2011                   ISANTI             MN   TRAINED SPOTTER

            2 LARGE 12 INCH DIAMETER TREES DOWN ACROSS PAULS LAKE
            ROAD. 6 INCH DIAMETER PINE TREE DOWN ON FENCE ALONG 16TH
            ST SE. TIME ESTIMATED.

0631 PM     HAIL             ISANTI                  45.49N 93.25W
07/01/2011  M1.50 INCH       ISANTI             MN   LAW ENFORCEMENT

0632 PM     TSTM WND DMG     E SAUK RAPIDS           45.59N 94.17W
07/01/2011                   BENTON             MN   AMATEUR RADIO

            NUMEROUS TREES DOWN

0632 PM     HAIL             12 N MORA               46.05N 93.29W
07/01/2011  M1.00 INCH       KANABEC            MN   TRAINED SPOTTER

0632 PM     TSTM WND GST     MAPLE LAKE              45.23N 94.00W
07/01/2011  M68.00 MPH       WRIGHT             MN   ASOS

0635 PM     HAIL             CAMBRIDGE               45.56N 93.23W
07/01/2011  M1.75 INCH       ISANTI             MN   TRAINED SPOTTER

0636 PM     HAIL             SSE CAMBRIDGE           45.56N 93.22W
07/01/2011  M1.25 INCH       ISANTI             MN   TRAINED SPOTTER

0638 PM     TSTM WND DMG     SAUK RAPIDS             45.59N 94.17W
07/01/2011                   BENTON             MN   AMATEUR RADIO

            BENTON DRIVE BEING CLOSED DUE TO TREES IN ROADWAY.

0641 PM     TSTM WND GST     CAMBRIDGE               45.56N 93.23W
07/01/2011  M60.00 MPH       ISANTI             MN   AMATEUR RADIO

            50-60 MPH MEASURED

0641 PM     TSTM WND DMG     1 E MORA                45.88N 93.27W
07/01/2011                   KANABEC            MN   AMATEUR RADIO

            14 INCH TO 16 INCH TREES DOWN

0645 PM     TSTM WND DMG     1 SE CAMBRIDGE          45.55N 93.21W
07/01/2011                   ISANTI             MN   TRAINED SPOTTER

            ONE FOOT DIAMETER TREE DOWN.

0645 PM     TSTM WND DMG     4 SSW NORTH BRANCH      45.47N 93.02W
07/01/2011                   ISANTI             MN   TRAINED SPOTTER

            TREES DOWN

0645 PM     TSTM WND GST     1 SSW BUFFALO           45.17N 93.87W
07/01/2011  M73.00 MPH       WRIGHT             MN   STORM CHASER

            6 INCH TO 8 INCH BRANCHES DOWN

0650 PM     TSTM WND DMG     ST LOUIS PARK           44.95N 93.36W
07/01/2011                   HENNEPIN           MN   TRAINED SPOTTER

            TREES DOWN AROUND HIGHWAY 169...4 MILES SOUTH OF 49TH
            AVE. TIME ESTIMATED.

0652 PM     TSTM WND DMG     N SHERBURN              43.65N 94.73W
07/01/2011                   MARTIN             MN   TRAINED SPOTTER

            24 INCH TREE DOWN AT 261ST STREET AND CTY 5

0653 PM     TSTM WND DMG     BUFFALO                 45.18N 93.87W
07/01/2011                   WRIGHT             MN   TRAINED SPOTTER

            TOP OF LARGE TREES BEING SNAPPED

0655 PM     TSTM WND GST     MONTICELLO              45.30N 93.80W
07/01/2011  M56.00 MPH       WRIGHT             MN   AMATEUR RADIO

0656 PM     TSTM WND DMG     8 N BIG LAKE            45.45N 93.75W
07/01/2011                   SHERBURNE          MN   AMATEUR RADIO

            2 FOOT TREES DOWN. DAMAGE IS IN THE TOWN OF ORROCK.

0657 PM     TSTM WND DMG     ELK RIVER               45.33N 93.57W
07/01/2011                   SHERBURNE          MN   AMATEUR RADIO

            TREES DOWN OVER ROADS IN TOWN

0700 PM     HAIL             2 N TRUMAN              43.86N 94.44W
07/01/2011  M0.75 INCH       WATONWAN           MN   LAW ENFORCEMENT

0700 PM     TSTM WND DMG     2 N TRUMAN              43.86N 94.44W
07/01/2011                   WATONWAN           MN   LAW ENFORCEMENT

            LARGE BRANCHES BLOCKING HIGHWAY 15

0700 PM     TSTM WND DMG     HUTCHINSON              44.89N 94.37W
07/01/2011                   MCLEOD             MN   AMATEUR RADIO

            3 FOOT TREE DOWN. POWER OUTAGES. ROOF OF VET HOSPITAL.

0704 PM     HEAVY RAIN       SARTELL                 45.62N 94.21W
07/01/2011  M2.75 INCH       BENTON             MN   TRAINED SPOTTER

            2.75 INCHES MEASURED IN 2 HOURS.

0710 PM     TSTM WND DMG     NEW ULM                 44.31N 94.46W
07/01/2011                   BROWN              MN   LAW ENFORCEMENT

            FEW TREES DOWN

0713 PM     FUNNEL CLOUD     4 W GLENCOE             44.77N 94.23W
07/01/2011                   MCLEOD             MN   TRAINED SPOTTER

0722 PM     TSTM WND GST     5 W AMERY               45.30N 92.47W
07/01/2011  M68.00 MPH       POLK               WI   TRAINED SPOTTER

            MEASURED WITH HAND HELD ANEMOMETER.

&&

AJZ

Local storm report, Jul 1, 6:30 PM CST, 0 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
730 PM CDT FRI JUL 01 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0500 PM     TSTM WND DMG     DANUBE                  44.79N 95.10W
07/01/2011                   RENVILLE           MN   TRAINED SPOTTER

            PATH OF DAMAGE NEAR COUNTY ROAD 11...INCLUDING AT LEAST 4
            BARNS...HOUSE...SCHOOL HOUSE...SILO...AND DOWNED TREES.
            TIME ESTIMATED.

&&

MKM

The radar

The Minneapolis radar (KMPX), 88 km away, was scanning. The volume nearest the first event began at 00:30 UTC.

Open the radar archive at this moment

Event by event

6 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, Polk

When: July 1, 6:30 PM CST to 6:45 PM CST
Where: Polk County, 1.47 mi E of Osceola Muni Arpt to 0.61 mi WNW of Clam Falls
Measured: 59 kt (68 mph) measured gust
Property damage: $50,000
Reported by: Emergency Manager
Coordinates: 45.319, -92.670

Numerous reports of downed power lines and trees occurred across Polk County from near Osceola, north and east to Dresser, Wanderoos, Balsam Lake, Milltown, Luck and Clam Falls, Wisconsin. A spotter measured a wind gust near Wanderoos at 59 knots.

Thunderstorm Wind, Polk

When: July 1, 6:40 PM CST to 6:42 PM CST
Where: Polk County, 2.19 mi SE of Amery to 0.69 mi S of Clayton
Measured: 50 kt (58 mph) estimated gust
Reported by: Trained Spotter
Coordinates: 45.299, -92.336

Several large tree were blown down from Amery to Clayton, Wisconsin.

Thunderstorm Wind, Barron

When: July 1, 6:55 PM CST
Where: Barron County, 0.69 mi N of Cumberland
Measured: 54 kt (62 mph) measured gust
Reported by: AWOS
Coordinates: 45.540, -92.020

Thunderstorm Wind, St. Croix

When: July 1, 7:45 PM CST
Where: St. Croix County, 0.69 mi N of Somerset
Measured: 52 kt (60 mph) estimated gust
Reported by: Law Enforcement
Coordinates: 45.130, -92.680

A few trees were blown down near Somerset, Wisconsin.

Thunderstorm Wind, Polk

When: July 1, 8:00 PM CST
Where: Polk County, 0.69 mi N of Balsam Lake
Measured: 56 kt (64 mph) estimated gust
Reported by: Law Enforcement
Coordinates: 45.460, -92.450

Numerous large trees and power lines were blown down around Balsam Lake, Wisconsin.

Thunderstorm Wind, Dunn

When: July 1, 8:30 PM CST
Where: Dunn County, 0.85 mi SE of Eau Galle
Measured: 52 kt (60 mph) estimated gust
Reported by: Law Enforcement
Coordinates: 44.690, -92.010

A large tree was blown down near Eau Galle, Wisconsin.

What these are

Thunderstorm Wind: Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in Wisconsin in 2011 Every state in 2011 This day in weather history Warnings in Wisconsin, July 2011

Sources

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: 308040, 308045, 308052, 308047, 308049, 308050.