Hail and Damaging Winds in Wisconsin, August 9, 2005

Name: Hail and Damaging Winds in Wisconsin, August 9, 2005
Start: 2005-08-09T12:30
End: 2005-08-09T16:00
Location: Wisconsin

August 9, 2005 · NWS MPX · 9 events in 7 counties and zones

4 hail, 3 thunderstorm wind, 2 lightning, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 2 filed by county or forecast zone are drawn at its center, in a lighter ring. 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: 1
Property damage: None recorded
Crop damage: None recorded
Events: 9

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 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 Aug 9, 2:33 AM CST, 9 hours 57 minutes earlier.

Area forecast discussion, Aug 9, 2:33 AM CST, 9 hours 57 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
333 AM CDT TUE AUG 9 2005

.DISCUSSION...
LINE OF STRNG/SVR STORMS EVIDENT ON LCL RADARS ACRS PORTIONS OF ND
AND CNTRL MN ALNG SFC BNDRY...IN RESP TO S/W IN ERN MT/WRN ND. STORM
STRENGTH HAS DECR OVR THE PAST HR...BUT LATEST LAPS ANALYSES SHOW
MARGINAL DEEP LAYER SHEAR ACRS PRIMARILY THE FAR NWRN PORTION OF MY
FA...LEADING TO A CONTINUED THREAT OF MARGINALLY SVR STORMS IN THIS
RGN. ORIENTATION OF UPR JET AND ASSOC RT ENTRANCE RGN...IN ADDITION TO
QUASI-STATIONARY BNDRY...WL RESULT IN HIGHEST PCPN CHCS ACRS MY NRN
COUNTIES THIS MRNG.

THIS AFTN...SFC BNDRY SHUD GET A QUICK SHOVE SWRD...AND W/LITTLE
INHIBITION EVIDENT /WITH H7 TEMPS ONLY IN THE 8C RANGE/ CONVECTION
SHUD DEVELOP MID AFTN ALONG THE BNDRY...WITH LOCATIONS SE OF A LN FM
MILLE LACS LAKE TO GRANITE FALLS MOST LIKELY TO RECEIVE TSRA AFT
THIS MRNG. 0-6 KM SHEAR VALUES APPROACH 50 TO 60 KT RANGE ALNG
AND BEHIND FRNT...MAKING SVR TSRA A LIKELIHOOD. ATTM...STEEP
MID-LEVEL LAPSE RATES MAKE LRG HAIL/DMG WIND THE MAIN THREAT /IN
ADDITION TO PSBL +RA/...ALTHO PRESENCE OF BNDRY AND PROGGED 0-1 KM
SHEAR IN THE 10 TO 15 KT RANGE...LEAVE OPEN THE POSSIBILITY OF A
TORNADO OR TWO WITH ANY TSRA THAT ARE ABLE TO REMAIN ISOLATED IN THE
EARLY STAGES OF THE EVENT /MOST LIKELY IN AREAS ALNG A LN FM KRWF TO
KMSP TO KEAU/.

AFTER TODAY...FA SHUD SEE A BRIEF RESPITE WED BEFORE MORE WET WX
SETS INTO THE RGN WED NGT AND INTO THU...AS A SERIES OF S/W AFFECT
THE AREA ON THE HEELS OF DEPARTING SFC HI. TEMPS SHUD RUN NR TO
SLGTLY BELOW NRML WED AND THU.

LONGER TERM...FRIDAY THROUGH MONDAY
GFS JUST A BIT SLOWER ON MOVING NEXT COLDFRONT THRU CWA ON FRIDAY.
STILL LOOKS PRETTY GOOD FOR SOME POSTFRONTAL PRECIP MAINLY S AREAS
INTO SUNDAY WITH UPPER TROFFINESS LAGGING SURFACE FRONT. NORTHWEST
FLOW INTO EARLY NEXT WEEK WILL DRAG COOLER CANADIAN HIGH PRESSURE
ACROSS AREA WHICH SHOULD PROVIDE DRY/COOLER CONDITIONS.

&&

.MPX WATCHES/WARNINGS/ADVISORIES...
.MN...NONE.
.WI...NONE.

&&

KAT/BAP

Hazardous weather outlook, Aug 9, 8:40 AM CST, 3 hours 50 minutes before

HAZARDOUS WEATHER OUTLOOK...CORRECTED
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
940 AM CDT TUE AUG 9 2005

MNZ051>053-056>070-073-101000-
ANOKA-CARVER-CHIPPEWA-CHISAGO-DAKOTA-HENNEPIN-ISANTI-KANDIYOHI-
MCLEOD-MEEKER-RAMSEY-REDWOOD-RENVILLE-SCOTT-SHERBURNE-SIBLEY-
WASHINGTON-WRIGHT-YELLOW MEDICINE-
940 AM CDT TUE AUG 9 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
MINNESOTA.

.DAY ONE...TODAY AND TONIGHT

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TODAY.  A COLD FRONT
WILL SLOWLY SAG SOUTH INTO SOUTHERN MINNESOTA THIS AFTERNOON.  THE
PRIMARY THREAT WILL BE LARGE HAIL AND DAMAGING WINDS. SEVERAL ROUNDS
OF THUNDERSTORMS COULD PRODUCE HEAVY RAINS...POSSIBLY SOME LOCALIZE
FLOODING IN URBAN AND LOW LYING AREAS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

ANOTHER COLD FRONT WILL BRING THE RISK OF THUNDERSTORMS LATE
THURSDAY INTO FRIDAY.  THERE IS A SLIGHT RISK OF SOME OF THESE
STORMS BECOMING SEVERE.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION MAY BE NEEDED TODAY.

MNZ041>045-047>050-054-055-101000-
BENTON-DOUGLAS-KANABEC-LAC QUI PARLE-MILLE LACS-MORRISON-POPE-
STEARNS-STEVENS-SWIFT-TODD-
940 AM CDT TUE AUG 9 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
MINNESOTA.

.DAY ONE...TODAY AND TONIGHT

NO SEVERE WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

ANOTHER COLD FRONT WILL BRING THE RISK OF THUNDERSTORMS LATE
THURSDAY INTO FRIDAY.  THERE IS A SLIGHT RISK OF SOME OF THESE
STORMS BECOMING SEVERE.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.

MNZ074>078-082>085-091>093-101000-
BLUE EARTH-BROWN-FARIBAULT-FREEBORN-GOODHUE-LE SUEUR-MARTIN-NICOLLET-
RICE-STEELE-WASECA-WATONWAN-
940 AM CDT TUE AUG 9 2005

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

.DAY ONE...TODAY AND TONIGHT

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND
EVENING AS A COLD FRONT DROPS INTO AREA. IN ADDITION TO THE THREAT
OF LARGE HAIL AND DAMAGING WINDS...HEAVY RAINFALL IS ALSO POSSIBLE.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

ANOTHER COLD FRONT WILL BRING THE RISK OF THUNDERSTORMS LATE
THURSDAY INTO FRIDAY.  THERE IS A SLIGHT RISK OF SOME OF THESE
STORMS BECOMING SEVERE.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING.

WIZ014>016-023>028-101000-
BARRON-CHIPPEWA-DUNN-EAU CLAIRE-PEPIN-PIERCE-POLK-RUSK-ST CROIX-
940 AM CDT TUE AUG 9 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL
WISCONSIN.

.DAY ONE...TODAY AND TONIGHT

A SLIGHT RISK OF SEVERE THUNDERSTORMS IS FORECAST FOR TODAY INTO
THIS EVENING AS A COLD FRONT DROPS SOUTHWARD ACROSS THE AREA.
LARGE HAIL AND DAMAGING WINDS ARE THE MAIN THREATS OF
SEVERE WEATHER WITH THIS SYSTEM IN ADDITION TO HEAVY RAINFALL.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

NO HAZARDOUS WEATHER EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION MAY BE NEEDED TODAY INTO THIS EVENING.

In the hours before

Local storm report, Aug 9, 8:17 AM CST, 4 hours 13 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
917 AM CDT TUE AUG 09 2005

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

0442 AM     TSTM WND DMG     LITTLE FALLS            45.98N 94.36W
08/09/2005                   MORRISON           MN   TRAINED SPOTTER

            TWO HANGARS...A MANTENANCE GARAGE AND THE ROOF OF THE
            TERMINAL BUILDING WERE DAMAGED BY WINDS GUSTING TO 78 MPH
            AT THE AIRPORT IN THE SOUTHWEST CORNER OF TOWN. A LARGE
            TREE ALSO FELL ONTO A TRUCK AT THE AIRPORT.

0442 AM     TSTM WND GST     LITTLE FALLS            45.98N 94.36W
08/09/2005  78 MPH           MORRISON           MN   AWOS

            WIND GUST MEASURED.

0445 AM     TSTM WND DMG     LITTLE FALLS            45.98N 94.36W
08/09/2005                   MORRISON           MN   AIRPLANE PILOT

            A FEW 40 FOOT TALL OAK TREES WERE FELLED DOWNTOWN.

0505 AM     TSTM WND DMG     3 NNW VINELAND          46.22N 93.80W
08/09/2005                   MILLE LACS         MN   TRAINED SPOTTER

            2 FOOT DIAMETER OAK TREE DOWNED.

&&

MKM

Local storm report, Aug 9, 8:27 AM CST, 4 hours 3 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
927 AM CDT TUE AUG 09 2005

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

0442 AM     TSTM WND DMG     LITTLE FALLS            45.98N 94.36W
08/09/2005                   MORRISON           MN   TRAINED SPOTTER

            TWO HANGARS...A MANTENANCE GARAGE AND THE ROOF OF THE
            TERMINAL BUILDING WERE DAMAGED BY WINDS GUSTING TO 78 MPH
            AT THE AIRPORT IN THE SOUTHWEST CORNER OF TOWN. A LARGE
            TREE ALSO FELL ONTO A TRUCK AT THE AIRPORT.

0442 AM     TSTM WND GST     LITTLE FALLS            45.98N 94.36W
08/09/2005  78 MPH           MORRISON           MN   AWOS

            WIND GUST MEASURED.

0445 AM     TSTM WND DMG     LITTLE FALLS            45.98N 94.36W
08/09/2005                   MORRISON           MN   TRAINED SPOTTER

            A FEW 40 FOOT TALL OAK TREES WERE FELLED DOWNTOWN.

0505 AM     TSTM WND DMG     3 NNW VINELAND          46.22N 93.80W
08/09/2005                   MILLE LACS         MN   TRAINED SPOTTER

            2 FOOT DIAMETER OAK TREE DOWNED.

&&

MKM

Local storm report, Aug 9, 10:51 AM CST, 1 hour 39 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1151 AM CDT TUE AUG 09 2005

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

0400 AM     TSTM WND DMG     2 W SWANVILLE           45.92N 94.68W
08/09/2005                   TODD               MN   LAW ENFORCEMENT

            TREE TOPS TORN OFF. ROOF OFF TURKEY BARN.

0442 AM     TSTM WND DMG     LITTLE FALLS            45.98N 94.36W
08/09/2005                   MORRISON           MN   TRAINED SPOTTER

            TWO HANGARS...A MANTENANCE GARAGE AND THE ROOF OF THE
            TERMINAL BUILDING WERE DAMAGED BY WINDS GUSTING TO 78 MPH
            AT THE AIRPORT IN THE SOUTHWEST CORNER OF TOWN. A LARGE
            TREE ALSO FELL ONTO A TRUCK AT THE AIRPORT.

0442 AM     TSTM WND GST     LITTLE FALLS            45.98N 94.36W
08/09/2005  78 MPH           MORRISON           MN   AWOS

            WIND GUST MEASURED.

0445 AM     TSTM WND DMG     LITTLE FALLS            45.98N 94.36W
08/09/2005                   MORRISON           MN   TRAINED SPOTTER

            A FEW 40 FOOT TALL OAK TREES WERE FELLED DOWNTOWN.

0505 AM     TSTM WND DMG     3 NNW VINELAND          46.22N 93.80W
08/09/2005                   MILLE LACS         MN   TRAINED SPOTTER

            2 FOOT DIAMETER OAK TREE DOWNED.

&&

JPR

The radar

The Minneapolis radar (KMPX), 149 km away, was scanning. The volume nearest the first event began at 18:47 UTC.

Open the radar archive at this moment

Event by event

4 hail, 3 thunderstorm wind, 2 lightning. Local standard time, as filed.

Hail, Barron

When: August 9, 12:30 PM CST
Where: Barron County, 2 mi E of Cameron
Measured: 0.75 in hail
Reported by: LAW ENFORCEMENT
Coordinates: 45.424, -91.848 (the zone’s center; the record gives no point)

Hail, Rusk

When: August 9, 12:48 PM CST
Where: Rusk County, 1 mi W of Weyerhaeuser
Measured: 1.5 in hail
Reported by: LAW ENFORCEMENT
Coordinates: 44.483, -92.267

Walnut sized hail fell along Highway 8 just west of town.

Hail, Chippewa

When: August 9, 1:30 PM CST
Where: Chippewa County, 6 mi ENE of Holcombe
Measured: 1 in hail
Reported by: GENERAL PUBLIC
Coordinates: 44.900, -90.933

Quarter sized hail fell in Section 22 of Ruby Township.

Hail, St. Croix

When: August 9, 2:40 PM CST
Where: St. Croix County, 5 mi S of Roberts
Measured: 1.75 in hail
Reported by: LAW ENFORCEMENT
Coordinates: 45.400, -91.717

Golf ball sized hail fell at the intersection of Interstate 94 and Highway 65.

Lightning, Eau Claire

When: August 9, 3:02 PM CST
Where: Eau Claire County, Eau Claire
Injuries: 1 direct, 0 indirect
Reported by: NEWSPAPER
Coordinates: 45.433, -91.433

A 54-year-old man was struck by lightning on Menomonie Street while unhooking a chain from a truck at a business. He was transported to a local hospital for observation after "feeling hot", but was otherwise uninjured.

Thunderstorm Wind, Pierce

When: August 9, 3:15 PM CST
Where: Pierce County, Bay City
Measured: 52 kt (60 mph) estimated gust
Reported by: LAW ENFORCEMENT
Coordinates: 45.267, -91.000

Several trees were downed.

Lightning, Pierce

When: August 9, 3:15 PM CST to 4:00 PM CST
Where: Pierce County, Countywide
Reported by: EMERGENCY MANAGER
Coordinates: 44.917, -92.567

A second story of home on 690th Street on the northwest edge of Martell was severely damaged by a fire caused by a lightning strike. A fuse box was damaged by a lightning strike at a home along 130th Avenue in Hager City. Lightning was also responsible for a tree fire at the intersection of CTH EE and Cemetery Road near Bay City.

Thunderstorm Wind, Pepin

When: August 9, 3:26 PM CST
Where: Pepin County, Stockholm
Measured: 52 kt (60 mph) estimated gust
Reported by: LAW ENFORCEMENT
Coordinates: 44.483, -92.150 (the zone’s center; the record gives no point)

Trees and power lines were downed.

Thunderstorm Wind, Chippewa

When: August 9, 3:30 PM CST
Where: Chippewa County, 5 mi S of Stanley
Measured: 52 kt (60 mph) estimated gust
Reported by: LAW ENFORCEMENT
Coordinates: 44.583, -92.450

A tree was downed near the intersection of the Chippewa, Clarke, and Eau Claire county borders.

What these are

Hail: Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
Lightning: A lightning strike that killed, injured or caused damage.
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 2005 Every state in 2005 This day in weather history Warnings in Wisconsin, August 2005

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: 5473382, 5473383, 5473443, 5473444, 5473445, 5473446, 5473447, 5473448, 5473449.