A complex of thunderstorms that developed across the eastern Dakotas moved rapidly eastward during the early morning hours of Tuesday, May 25th. An outflow boundary ahead of thunderstorms caused isolated wind gusts of 50 to 60 mph.
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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.
A complex of thunderstorms that developed across the eastern Dakotas moved rapidly eastward during the early morning hours of Tuesday, May 25th. An outflow boundary ahead of thunderstorms caused isolated wind gusts of 50 to 60 mph. One of the isolated wind gusts caused a large tree to be blown down near Grove City, Minnesota.
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 24, 9:51 PM CST, 2 hours 56 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1051 PM CDT MON MAY 24 2010 .UPDATE...FOR 06Z AVIATION DISCUSSION BELOW && .DISCUSSION.../ISSUED 332 PM CDT MON MAY 24 2010/ INITIAL CONCERN IS HEAT WARNING FOR THE METRO AND THE WIND ADV OUT WEST. 3 MB SFC PRESSURE FALLS REMAIN OVER NORTHWEST MN THIS AFTERNOON AND CONTINUE STRONG SOUTHERLY FLOW OF WIND ACROSS THE AREA. THIS WILL GRADUALLY WEAKEN AS SUNSET APPROACHES. WARM AND HUMID CONDITIONS TO CONTINUE INTO THE EVENING AS WELL. HAVE ADJUSTED THE WIND ADV AND CONTINUE THE HEAT WARNING FOR THE METRO THROUGH 9 PM. NEXT CONCERN IS CONVECTIVE POTENTIAL WORKING INTO WESTERN MINNESOTA AFTER 9 PM OR SO...FROM THE DAKOTAS. MODELS TREND MAJOR ENERGY/FORCING TO LIFT NORTH ACROSS THE DAKOTAS THIS EVENING. ANY REMAINING CONVECTION EXPECTED TO MOVE INTO WESTERN MN AND WEAKEN OVERNIGHT...PERHAPS MAKING IT INTO CENTRAL MN BY 12Z TUE. THEN FRONT MOVES SLOWLY EAST INTO WISCONSIN TUESDAY EVENING. FORCING REMAINS WEAK BUT ML CAPE FCST TO RISE ONCE AGAIN IN EXCESS OF 4K J/KG AS THE FRONT MOVES EAST INTO WI LATE TUE AFTERNOON. SHOULD BE ENOUGH CONVERGENCE ALONG BOUNDARY TO CONTINUE AT LEAST CHANCE OF TSRA INTO TUE NIGHT ACROSS THE EASTERN CWA. WILL LIKELY SEE SOME MARGINAL SEVERE POTENTIAL ASSOCIATED WITH THE CONVECTION...BUT SHOULD WANE TOWARD SUNSET. TEMPERATURES EXPECTED TO WARM THROUGH THE 80S ONCE AGAIN WITH DEWPOINTS FROM 65-70F. SOME CLOUDS EXPECTED WITH THE FRONT AND CONVECTION. MODELS DIVERGE SOME IS TIMING OF FROPA FROM EASTERN CWA. GFS CONTINUES TO BE THE SLOWER OF MODELS...AND WILL CONTINUE CHANCE POPS OVER THE EASTERN AREAS INTO WED. THIS SHOULD EXIT TO THE SOUTH FOR WED NIGHT WITH MUCH DRIER AIR WORKING INTO THE AREA. LOW LEVEL TRAJECTORIES SUGGEST DEWPOINTS DROPPING BACK INTO THE 40S FOR THU THROUGH SAT. MODEL TRENDS SUGGEST THAT THE CHACNE OF SHOWERS AND STORMS MOVES BACK INTO THE REGION SUN/SUN NIGHT PER 12Z GFS. GFS ENSEMBLES ALSO CONFIRMED THIS TREND...SO WILL CONTINUE CHANCE POPS DEVELOP SUN/SUN NIGHT OVER THE CWA. HAVE KEPT MEMORIAL DAY DRY FOR NOW...BUT TIMING AND MOVEMENT OF WESTERN UPPER TROUGH WILL BE KEY TO ANY PRECIPITATION CHANCES THEN. && .AVIATION.../06Z TAF ISSUANCE/ SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE APPROACHING WEST CENTRAL MINNESOTA DURING THE EARLY MORNING HOURS. WHILE STRONG WINDS WERE OBSERVED WITH THIS ACTIVITY OVER THE DAKOTAS...THE INTENSITY OF THE ASSOCIATED WIND GUSTS IS EXPECTED TO WANE WITH EASTWARD ADVANCEMENT INTO MINNESOTA /AS SUPPORTED BY THE OUTFLOW NOTED SURGING WELL AHEAD OF THE MAIN LINE ON DOPPLER RADAR AND INCREASING CIN/. HAVE RETAINED A TEMPO GROUP BETWEEN 06Z AND 09Z AT KRWF AND KAXN...WHERE THE TSRA MAY HOLD TOGETHER LONG ENOUGH TO AFFECT. COULD SEE WIND GUSTS TO AROUND 40 KTS AT KRWF AND KAXN AS WELL. A FEW SHOWERS MAY MAKE IT AS FAR NORTH/EAST AS KSTC...BUT ACTIVITY AT KMSP/KRNH/KEAU IS EXPECTED TO HOLD OFF UNTIL AFTER 18Z AS ADDITIONAL TS REDEVELOPMENT OCCURS AHEAD OF THE FRONT IN CONJUNCTION WITH PEAK HEATING. HAVE MAINTAINED PROB30 GROUPS AS THE COVERAGE OF ACTIVITY IS SOMEWHAT UNCERTAIN. THE FRONT WILL LINGER IN THE AREA THROUGH WEDNESDAY...SO SHRA/TS WILL REMAIN POSSIBLE THROUGH THE REMAINDER OF THE TAF PERIOD. WINDS WILL GRADUALLY DECREASE THROUGHOUT THE NIGHT. SOUTH/SOUTHWEST WINDS WILL BE PROMINENT AT KAXN/KSTC/KRWF ON TUESDAY...WITH KMSP/KEAU/KRNH SEEING WINDS BACK TO SOUTHEASTERLY ON TUESDAY AFTERNOON AS THE FRONT NEARS. KMSP...EXPECT VFR CONDITIONS OVERNIGHT WITH CLOUDS CIRCA 5K FT INCREASING DURING THE MORNING. SHRA/TS ARE EXPECTED TO HOLD OFF UNTIL AFTER 18Z...AFTER WHICH OCCASIONAL ACTIVITY IS POSSIBLE THROUGH THE REMAINDER OF THE PERIOD. SOUTHEAST WINDS VEER TO 190 OR 200 AFTER DAYBREAK TUESDAY...AND THEN BACK TO SOUTHEAST AGAIN AFTER 00Z WEDNESDAY. SPEEDS WILL REMAIN UNDER 10 KTS FOR THE MOST PART. && .MPX WATCHES/WARNINGS/ADVISORIES... MN...NONE. WI...NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 917 PM CDT MON MAY 24 2010 MNZ041>045-047>070-073>078-082>085-091>093-WIZ014>016-023>028- 260230- 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- 917 PM CDT MON MAY 24 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL AND SOUTHERN MINNESOTA...AND WEST CENTRAL WISCONSIN. .DAY ONE...TONIGHT THUNDERSTORMS ARE POSSIBLE ACROSS PORTIONS OF CENTRAL AND WEST CENTRAL MINNESOTA AFTER MIDNIGHT. A FEW STORMS MAY BE STRONG AS THEY MOVE INTO WEST CENTRAL MINNESOTA. HAIL AND DAMAGING WINDS WOULD BE THE PRIMARY THREATS WITH THESE STORMS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY THERE IS A CHANCE FOR THUNDERSTORMS ACROSS CENTRAL AND SOUTH CENTRAL MINNESOTA...INTO WEST CENTRAL WISCONSIN TUESDAY AND WEDNESDAY....AS A COLD FRONT MOVES SLOWLY INTO THE AREA. THUNDERSTORMS ARE POSSIBLE AGAIN SATURDAY AND SUNDAY. THE THREAT OF ORGANIZED SEVERE THUNDERSTORM ACTIVITY FOR TUESDAY THROUGH THE UPCOMING WEEKEND REMAINS LOW AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTER ACTIVATION IS NOT ANTICIPATED.
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1125 PM CDT MON MAY 24 2010
MNZ054-056-064-250500-
CHIPPEWA-LAC QUI PARLE-YELLOW MEDICINE-
1125 PM CDT MON MAY 24 2010
AT 1117 PM CDT...WEATHER SERVICE RADAR WAS TRACKING STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM 15 MILES WEST OF CANBY TO
20 MILES WEST OF MADISON. THESE STORMS WERE MOVING EAST AT 40 MPH.
WINDS UP TO 50 MPH ARE EXPECTED WITH THESE STORMS AS THEY PUSH INTO
WEST CENTRAL MINNESOTA. SMALL HAIL IS ALSO POSSIBLE.
SOME OTHER COMMUNITIES WHICH MAY BE IN THEIR PATH INCLUDE NASSAU...
MARIETTA...ST. LEO...DAWSON...AND BELLINGHAM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
&&
LAT...LON 4515 9646 4515 9600 4470 9545 4455 9541
4454 9560 4462 9562 4462 9645 4476 9647
TIME...MOT...LOC 0422Z 270DEG 43KT 4506 9661 4440 9640
4374 9639
BAPSPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1156 PM CDT MON MAY 24 2010 MNZ047-048-055-056-065-073-250600- CHIPPEWA-POPE-REDWOOD-RENVILLE-STEVENS-SWIFT- 1156 PM CDT MON MAY 24 2010 ...STRONG WIND GUSTS POSSIBLE FROM A LINE OF FAST MOVING THUNDERSTORMS... WIND GUSTS OF 50 MPH AS WELL AS HALF INCH HAIL ARE POSSIBLE ACROSS WEST CENTRAL MINNESOTA COMMUNITIES FROM MORRIS TO APPLETON TO MONTEVIDEO...BENSON...AND HANCOCK BETWEEN 12 AM AND 1 AM. WIND GUSTS OF AROUND 50 MPH HAVE BEEN REPORTED AT CANBY...MADISON...AND CLARA CITY AS THESE STORMS PASSED THROUGH. PERSONS SHOULD SEEK SHELTER AS THESE STORMS RACE THROUGH THE AREA AT 40 MPH. BAP
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1226 AM CDT TUE MAY 25 2010 MNZ074-082-091-250630- BROWN-MARTIN-WATONWAN- 1226 AM CDT TUE MAY 25 2010 ...STRONG WIND GUSTS POSSIBLE FROM A LINE OF FAST MOVING THUNDERSTORMS... WIND GUSTS OF 50 MPH AS WELL AS HALF INCH HAIL ARE POSSIBLE AS A LINE OF FAST MOVING STORMS MOVE ACROSS SOUTHWEST INTO SOUTH CENTRAL MINNESOTA. COMMUNITIES FROM FAIRMONT TO ST. JAMES TO TRUMAN...TRIMONT...AND CEYLON MAY EXPERIENCE THESE CONDITIONS BETWEEN 1245 AM AND 130 AM. PERSONS SHOULD SEEK SHELTER AS THESE STORMS RACE THROUGH THE AREA AT 40 MPH. BAP
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1243 AM CDT TUE MAY 25 2010 MNZ042-049-057-058-065-250700- KANDIYOHI-MEEKER-RENVILLE-STEARNS-TODD- 1243 AM CDT TUE MAY 25 2010 ...STRONG WIND GUSTS POSSIBLE FROM A LINE OF FAST MOVING THUNDERSTORMS... WIND GUSTS OF 40 TO 50 MPH AS WELL AS HALF INCH HAIL ARE POSSIBLE AS A LINE OF FAST MOVING STORMS MOVE ACROSS WEST CENTRAL INTO CENTRAL MINNESOTA. COMMUNITIES FROM ALEXANDRIA...GLENWOOD TO SAUK CENTER...WILLMAR..OLIVIA AND REDWOOD FALLS MAY EXPERIENCE THESE CONDITIONS BETWEEN 1250 AM AND 2 AM AS THESE STORMS ROLL THROUGH AT 40 MPH. WINDS AROUND 50 MPH HAVE BEEN REPORTED AROUND CANBY..GRANITE FALLS AND MONTEVIDEO. PERSONS SHOULD SEEK SHELTER AS THESE STORMS RACE THROUGH THE AREA. BAP
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 117 AM CDT TUE MAY 25 2010 MNZ066>068-075-083-092-250715- BLUE EARTH-CARVER-FARIBAULT-MCLEOD-NICOLLET-SIBLEY- 117 AM CDT TUE MAY 25 2010 ...STRONG WIND GUSTS POSSIBLE FROM A LINE OF FAST MOVING THUNDERSTORMS... WIND GUSTS OF 50 MPH ARE POSSIBLE AS A LINE OF FAST MOVING STORMS MOVE ACROSS SOUTH CENTRAL MINNESOTA. COMMUNITIES FROM BLUE EARTH TO MANKATO...NEW ULM...GAYLORD...MAPLETON...HUTCHINSON...AND LITCHFIELD MAY EXPERIENCE THESE STRONG WINDS BETWEEN 130 AND 230 AM. PERSONS SHOULD SEEK SHELTER AS THESE STORMS RACE THROUGH THE AREA. BAP
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 133 AM CDT TUE MAY 25 2010 MNZ043-049>051-059-250745- BENTON-MORRISON-SHERBURNE-STEARNS-WRIGHT- 133 AM CDT TUE MAY 25 2010 ...STRONG WIND GUSTS POSSIBLE FROM A LINE OF FAST MOVING THUNDERSTORMS... WIND GUSTS OF AROUND 50 MPH ARE POSSIBLE AS A LINE OF FAST MOVING STORMS MOVE ACROSS CENTRAL MINNESOTA. COMMUNITIES FROM MOTLEY TO LITTLE FALLS TO PAYNESVILLE TO ST. CLOUD...BUFFALO...AND ALBANY MAY BE AFFECTED BETWEEN 145 AND 245 AM. PERSONS SHOULD SEEK SHELTER AS THESE STORMS RACE THROUGH THE AREA. BAP
The Minneapolis radar (KMPX), 94 km away, was scanning. The volume nearest the first event began at 06:45 UTC.
1 thunderstorm wind. Local standard time, as filed.
A large tree was blown down onto a home near Grove City, Minnesota.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Minnesota in 2010Every state in 2010This day in weather historyWarnings in Minnesota, May 2010
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: 222069.