13 thunderstorm wind, 6 hail, 2 heavy rain, 2 lightning, as filed by the National Weather Service.
Every event with a place to put it; 4 filed by county or forecast zone are drawn at its center, in a lighter ring. 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 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, 10 hours 27 minutes earlier.
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...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.
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.
&&
MKMPRELIMINARY 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.
&&
MKMPRELIMINARY 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.
&&
JPRThe Minneapolis radar (KMPX), 19 km away, was scanning. The volume nearest the first event began at 19:13 UTC.
13 thunderstorm wind, 6 hail, 2 heavy rain, 2 lightning. Local standard time, as filed.
Standing water up to one foot deep was reported at the intersection of 85th Avenue and Zachary Lane.
Dime sized hail fell at the police station for 5 minutes.
In Eden Prairie, a man standing next to the paving machine that he operated was injured when lightning struck the nearby tarmac around 3:02 PM CDT. He was briefly knocked unconscious, but was fully conscious when emergency personnel transported him to the hospital for non-serious injuries. An apartment building in Eden Prairie was also struck by lightning.Three homes in Bloomington east of Nicollet Avenue caught fire after being struck by lightning. A home near the intersection of 56th Street and Nicollet Avenue in south Minneapolis suffered an electrical fire after being struck by lightning. A home on Troy Lane in Maple Grove was also struck by lightning. The resulting fire damaged the roof and rafters.
Two homes caught fire after being struck by lightning. The second story of one of the homes became engulfed in flames and suffered significant damage.
Quarter sized hail fell in Section 20 of Leavenworth Township.
Tree branches were downed.
Six inch branches were downed. A wind gust of 57 MPH was measured elsewhere in town by a trained spotter.
Tree branches were downed onto power lines north of town.
A tree was downed.
Two feet of standing water was reported at several intersections in town after 2.5 inches of rain fell. Flooded roads included SE 18th Street, Allen Avenue, Elm Avenue, Broadway Street, and Highway 218. Overflowing sewers also caused manhole covers to be forced off near Hoffman Street and State Avenue.
Power lines were downed in the 240th, Lilleyheight, and Highway 61 areas.
The largest hail stones were found near the intersection of 140th Street and County Road 27. Most were quarter size, but a few stones were as large as golf balls.
Tree limbs were downed. A wind gust of 57 MPH was recorded several miles farther east at the Fairmont Airport at 4:15 PM CDT.
Trees and numerous large branches were downed. One downed tree fell onto a pickup truck.
Large tree limbs were downed.
Large branches were downed.
Large branches were downed.
Several trees were downed across town. The hardest hit areas included the Highlands and Clear Lake. Debris from a damaged roof and sun porch broke windows on a home and damaged a garage and a car on Highland Drive. Boats and docks were damaged, roofs of homes were damaged, and several trees were downed along the northwest and east side of Clear Lake. In addition, many trees were downed in Goose Lake Park three miles east of town. One felled tree smashed a metal gate.
Numerous trees were downed. A large Maple tree branch was blown into the roof of a home. Phone lines were also downed.
Trees and power lines were downed. Some downed trees damaged homes and vehicles. A wind gust of 62 MPH was measured by a local radio station.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Minnesota in 2005Every state in 2005This day in weather historyWarnings in Minnesota, August 2005
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: 5473122, 5473123, 5473124, 5473199, 5473125, 5473126, 5473127, 5473198, 5473200, 5473201, 5473202, 5473203, 5473204, 5473205, 5473206, 5473207, 5473208, 5473209, 5473210, 5473211, 5473285, 5473212, 5473286.