3 thunderstorm wind, 2 funnel cloud, as filed by the National Weather Service.
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.
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 May 7, 2:55 PM CST, 6 hours 8 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 355 PM CDT SAT MAY 7 2005 .DISCUSSION... SURFACE LOW...OVER EXTREME SOUTHEAST MONTANA...WILL MOVE SLOWLY SOUTHEAST TO NORTHWEST IOWA BY 12Z MONDAY. THIS WILL KEEP MOIST AND INCREASINGLY UNSTABLE AIR MOVING INTO THE MPX CWA. DRY SOUTHEAST LOW LEVEL FLOW REALLY LIMITED PRECIPITATION POTENTIAL WITH THIS SYSTEM ACROSS EAST CENTRAL MINNESOTA AND WEST CENTRAL WISCONSIN LAST NIGHT AND DURING THE DAYLIGHT HOURS. FURTHERMORE...BOTH 12Z AND 18Z NAM AND 12Z GFS TAKE JET ENERGY ACROSS WESTERN MINNESOTA COUNTIES INTO SUNDAY...WHICH PLACES FAVORABLE AREA OF COUPLED JET INDUCED LIFT WELL NORTHWEST OF THE MPX CWA THROUGH THE NEXT 24 HOURS. HOWEVER...BY 12Z MONDAY...BOTH THE GFS AND THE NAM SUGGEST A RATHER VIGOROUS NEGATIVE TILT SHORT WAVE FROM KANSAS INTO LOUISIANA...WITH A JET SIGNATURE THAT SUGGESTS SOME COUPLING ACROSS THE EASTERN HALF OF THE CWA SUNDAY NIGHT AND INTO MONDAY. MODIFIED GRIDS INDICATE A WARM..HUMID DAY ON SUNDAY WITH LOWER RANGED POPS...WITH HIGHER POPS ACROSS MUCH OF THE AREA SUNDAY NIGHT AND MONDAY. LONGER TERM...TUESDAY NIGHT THROUGH SATURDAY PATTERN REMAINS UNSETTLED WITH SWLY FLWO ALOFT GENERALLY DOMINANT. A BREAK EXPECTED EARLY IN LONG RANGE PERIOD WITH SOME RIDGING BETWEEN MAJOR TROUGHS. BY THURSDAY AT LEAST THRU FRIDAY MORE PRECIPITATION CHANCES AS SWLY FLOW AGAIN ESTABLISHED AHEAD OF UPSTREAM TROUGH. && .MPX WATCHES/WARNINGS/ADVISORIES... .MN...NONE. .WI...NONE. &&
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 829 PM CDT SAT MAY 7 2005 MNZ041>044-048>051-057>061-065>070-073>078-082>085-091>093-081100- ANOKA-BENTON-BLUE EARTH-BROWN-CARVER-DAKOTA-DOUGLAS-FARIBAULT- FREEBORN-GOODHUE-HENNEPIN-KANDIYOHI-LE SUEUR-MARTIN-MCLEOD-MEEKER- MILLE LACS-MORRISON-NICOLLET-POPE-REDWOOD-RENVILLE-RICE-SCOTT- SHERBURNE-SIBLEY-STEARNS-STEELE-TODD-WASECA-WATONWAN-WRIGHT- 829 PM CDT SAT MAY 7 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL... WEST CENTRAL...AND CENTRAL MINNESOTA. .DAY ONE...TONIGHT A SLIGHT RISK OF SEVERE THUNDERSTORMS EXISTS TONIGHT GENERALLY WEST OF A LINE FROM MILACA...TO MINNEAPOLIS...TO ALBERT LEA. THE PRIMARY THREATS ARE LARGE HAIL...DAMAGING WINDS...AND HEAVY RAINFALL. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY THUNDERSTORMS ARE EXPECTED TO REDEVELOP SUNDAY AS A LOW PRESSURE SYSTEM APPROACHES THE AREA FROM THE DAKOTAS. A SLIGHT RISK OF SEVERE THUNDERSTORMS WILL CONTINUE SUNDAY THROUGH SUNDAY NIGHT...WITH LARGE HAIL AND DAMAGING WINDS AGAIN BEING THE PRIMARY THREATS. ADDITIONAL THUNDERSTORMS WILL REMAIN POSSIBLE FOR MUCH OF THE NEXT WEEK. ORGANIZED SEVERE WEATHER IS NOT EXPECTED AT THIS TIME... ALTHOUGH ISOLATED SEVERE HAIL REPORTS WILL CONTINUE TO BE POSSIBLE. WITH MODERATE RAINFALL CONTINUING TO MOVE ACROSS THE SAME AREAS... LOCALIZED URBAN...STREAM...LOWLAND FLOODING WILL ALSO BE POSSIBLE FOR MUCH OF THE NEXT WEEK. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTER ACTIVATION MAY BE NEEDED TONIGHT. MNZ045-052-053-062-063-WIZ014>016-023>028-081100- BARRON-CHIPPEWA-CHISAGO-DUNN-EAU CLAIRE-ISANTI-KANABEC-PEPIN-PIERCE- POLK-RAMSEY-RUSK-ST CROIX-WASHINGTON- 829 PM CDT SAT MAY 7 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL MINNESOTA...AND WEST CENTRAL WISCONSIN. .DAY ONE...TONIGHT THUNDERSTORMS ARE POSSIBLE OVER EAST CENTRAL MINNESOTA...AND WEST CENTRAL WISCONSIN TONIGHT...ALTHOUGH ORGANIZED SEVERE WEATHER IS UNLIKELY. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY THUNDERSTORMS ARE AGAIN POSSIBLE SUNDAY AS A LOW PRESSURE SYSTEM APPROACHES THE AREA FROM THE DAKOTAS. ADDITIONAL THUNDERSTORMS WILL REMAIN POSSIBLE FOR MUCH OF THE NEXT WEEK. ORGANIZED SEVERE WEATHER IS NOT EXPECTED AT THIS TIME... ALTHOUGH ISOLATED SEVERE HAIL REPORTS WILL BE POSSIBLE. WITH MODERATE RAINFALL CONTINUING TO MOVE ACROSS THE SAME AREAS... LOCALIZED URBAN...STREAM...LOWLAND FLOODING WILL ALSO BE POSSIBLE FOR MUCH OF THE NEXT WEEK. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTER ACTIVATION WILL NOT BE NEEDED TONIGHT. MNZ047-054>056-064-081100- CHIPPEWA-LAC QUI PARLE-STEVENS-SWIFT-YELLOW MEDICINE- 829 PM CDT SAT MAY 7 2005 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 2 AM TONIGHT... THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL MINNESOTA. .DAY ONE...TONIGHT A RISK OF SEVERE THUNDERSTORMS EXISTS TONIGHT ACROSS WEST CENTRAL MINNESOTA. THE PRIMARY THREATS ARE LARGE HAIL...DAMAGING WINDS...AND HEAVY RAINFALL. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY THUNDERSTORMS ARE EXPECTED TO REDEVELOP SUNDAY AS A LOW PRESSURE SYSTEM APPROACHES THE AREA FROM THE DAKOTAS. A SLIGHT RISK OF SEVERE THUNDERSTORMS WILL CONTINUE SUNDAY THROUGH SUNDAY NIGHT...WITH LARGE HAIL AND DAMAGING WINDS AGAIN BEING THE PRIMARY THREATS. ADDITIONAL THUNDERSTORMS WILL REMAIN POSSIBLE FOR MUCH OF THE NEXT WEEK. ORGANIZED SEVERE WEATHER IS NOT EXPECTED AT THIS TIME... ALTHOUGH ISOLATED SEVERE HAIL REPORTS WILL CONTINUE TO BE POSSIBLE. WITH MODERATE RAINFALL CONTINUING TO MOVE ACROSS THE SAME AREAS... LOCALIZED URBAN...STREAM...LOWLAND FLOODING WILL ALSO BE POSSIBLE FOR MUCH OF THE NEXT WEEK. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTER ACTIVATION MAY BE NEEDED TONIGHT.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 805 PM CDT SAT MAY 7 2005 MNZ047-054>056-064-080700- CHIPPEWA MN-LAC QUI PARLE MN-STEVENS MN-SWIFT MN- YELLOW MEDICINE MN- ...THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 228 IN EFFECT UNTIL 2 AM CDT FOR THE FOLLOWING AREA... IN MINNESOTA THIS WATCH INCLUDES 5 COUNTIES IN WEST CENTRAL MINNESOTA CHIPPEWA... LAC QUI PARLE... STEVENS... SWIFT... YELLOW MEDICINE... THIS INCLUDES THE CITIES OF...MADISON...GRANITE FALLS...MORRIS... MONTEVIDEO AND BENSON.
The Aberdeen radar (KABR), 183 km away, was scanning. The volume nearest the first event began at 03:00 UTC.
3 thunderstorm wind, 2 funnel cloud. Local standard time, as filed.
Pine trees up to 70 feet tall were downed. Tin and shingles were blown off a building.
An old garage was downed. A few shingles were removed from buildings and pallets were blown 50 feet in Donnelly.
A 10'x12' garage was blown one quarter mile by high winds.
A funnel cloud was spotted by the fire department just south of Donnelly.
The public reported a funnel cloud 3 miles east of Hancock.
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, May 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: 5446018, 5446019, 5446020, 5446021, 5446022.