One isolated severe thunderstorm that developed across southern Wright County, moved northward across the county and produced a brief severe downburst near Montrose, MN.
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The episode as NWS MPX wrote it up.
One isolated severe thunderstorm that developed across southern Wright County, moved northward across the county and produced a brief severe downburst near Montrose, MN.
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 Jun 26, 5:44 PM CST, 21 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 644 PM CDT THU JUN 26 2014 .UPDATE... FOR 00Z AVIATION DISCUSSION BELOW && .SHORT TERM...(THIS EVENING THROUGH FRIDAY) ISSUED AT 328 PM CDT THU JUN 26 2014 TONIGHT AND FRIDAY...SFC ANALYSIS PUTS A WMFNT ORIENTED WNW-ESE FROM NW SD TO THE SW CORNER OF MN TO SE IA. THIS FNT WILL SLOWLY LIFT N ACRS THE AREA TNGT INTO TMRW...WITH IT BEING THE LEADING EDGE OF NOT ONLY WARMER AIR BUT ALSO MUCH MORE MOIST AIR. THIS WILL LEAD TO AN INCRS IN LOW LEVEL INSTABILITY. UPPER LEVEL FLOW IS RATHER WEAK...BUT SHIFTING FROM ZONAL TO A MORE SW ORIGINATION...MEANING THAT MORE VIGOROUS MID- AND UPR-LVL SHORTWAVES WILL ARRIVE FROM A DIGGING NEGATIVELY-TILTED LONGWAVE TROF OVER THE ROCKIES THRU TMRW. ALREADY SEEING SOME EVIDENCE OF THIS AS A DISSIPATING CAP HAS ALLOWED CONVECTION TO DEVELOP IN SWRN MN...IN CLOSE PROXIMITY TO THE SFC WMFNT. THESE STORMS HAVE VERY LITTLE N-NE MOTION BUT CONTAIN PLENTY OF MOISTURE SO IT IS FEASIBLE TO HAVE PLENTY OF RAINFALL RECEIVED FROM THESE SLOW-MOVING STORMS. THOUGH GENERALLY UP TO A QUARTER INCH OF RAIN IS EXPECTED FROM THE STORMS...LOCALIZED AMOUNTS OF OVER AN INCH IS POSSIBLE THRU THIS EVENING. IN ADDITION...THE OVERABUNDANCE OF INSTABILITY WITH WEAK SHEAR ALOFT SPELLS THE POTENTIAL OF TALLER/STRONGER STORMS TO PRODUCE LARGE HAIL OR MICROBURST-TYPE WINDS THRU THIS EVENING. ONCE THESE STORMS DISSIPATE WITH THE LOSS OF DAYTIME HEATING...LOW- AND MID-LVL STRATUS WILL DEVELOP. THERE STILL MAY BE SOME LIGHTER SHWRS OVERNIGHT IN RESPONSE TO A MODEST MIDLVL SHORTWAVE RIDING NEWD IN THE FLOW...BUT NOT LOOKING FOR MUCH ORGANIZATION OVERNIGHT. IN FACT...THE MAIN CONCERN BECOMES LOW STRATUS AND FOG OVER WRN WI WHERE RAIN IS NOT EXPECTED BUT PLENTY OF LOW LEVEL MOISTURE WILL BE CAUGHT UNDER THE NIGHTLY INVERSION. AFTER DAYBREAK...AND THE WMFNT LIFTS N OF THE REGION...WINDS CONTINUE TO SLOWLY VEER TO THE S AND BECOME BREEZY AS ENHANCED LOW- AND MID-LVL JETTING BECOMES BETTER MIXED TO THE SFC...MAKING FOR BREEZY/GUSTY CONDS. AS FOR THE POTENTIAL FOR PRECIP ON FRI...ALTHOUGH THERE MAY BE A FEW STRAGGLERS IN THE MORNING...THE CWFA WILL BE MOSTLY IF NOT ENTIRELY DEVOID OF PRECIP UNTIL THE ATMOS LOOKS TO RELOAD FOR THE AFTN AND PARTICULARLY FOR THE EVE HRS AS THE CWFA FINDS ITSELF SQUARELY WITHIN A WARM SECTOR OF THE WMFNT WELL TO THE N BY LATE IN THE DAY AND A CDFNT LINGERING OVER THE DAKOTAS. COVERAGE WILL BE BETTER AS THE DAY PROGRESSES...BUT STILL SCATTERED IN NATURE WITH AGAIN THE POTENTIAL FOR HEAVY RAIN ALONG WITH ISOLD SEVERE...OWING TO PWATS NEAR 1.5 INCHES...MUCAPES REACHING 3000 J/KG...AND WEAK BULK SHEAR LEADING TO POSSIBLY LARGE HAIL/DMGG WIND GUSTS. .LONG TERM...(FRIDAY NIGHT THROUGH THURSDAY) ISSUED AT 328 PM CDT THU JUN 26 2014 ACTIVE WEATHER REMAINS ON TAP FOR THIS WEEKEND...WITH HEAVY RAIN THE PRIMARY THREAT FRIDAY NIGHT THROUGH SUNDAY MORNING. CONVECTIVE REDEVELOPMENT IS EXPECTED SUNDAY AFTERNOON...AND THIS ROUND OF CONVECTION POSES THE MOST SIGNIFICANT THREAT FOR SEVERE WEATHER. COOLER DRIER AIR WILL MOVE FOLLOW THE REGION FOR THE MIDDLE OF NEXT WEEK. EARLY AFTERNOON WATER VAPOR IMAGERY IDENTIFIED A POWERFUL JET CURRENTLY LOCATED OVER THE EASTERN PACIFIC...WITH NEARLY SYMMETRIC CYCLONIC/ANTICYCLONIC CIRCULATIONS ON EITHER SIDE OF THE +150KT SPEED MAX. AT THE START OF THE PERIOD...LARGE SCALE ASCENT IN THE LEFT EXIT REGION OF THIS LINEAR JET STREAK TOGETHER WITH UPPER LEVEL DIVERGENCE OWING TO THE SHARP CURVATURE BETWEEN THE DEEPENING TROUGH AND DOWNSTREAM RIDGE...WILL LEAD TO WIDESPREAD PRECIP ACROSS THE DAKOTAS FRIDAY EVENING. OVERNIGHT LOW LEVEL THETA_E ADVECTION WITHIN THE 925-850MB LAYER SHOULD SUSTAIN THIS CONVECTION...ESPECIALLY IN WESTERN MN. HOWEVER...THE EASTWARD EXTEND OF THE PRECIP SHOULD BE LIMITED SINCE THERE IS ONLY A SLIGHT WESTERLY COMPONENT IN BOTH THE MEAN WIND...AND LOW LEVEL JET. THE REASON THE LOW LEVEL JET NEVER VEERS OVERNIGHT IS THE AGEOSTROPHIC RESPONSE TO THE DEEPENING SURFACE CYCLONE OVER NORTH DAKOTA. A FEW ELEVATED SHOWERS AND THUNDERSTORMS MAY FORM ACROSS EASTERN MN AND WESTERN WI...BUT THE BULK OF THE PRECIP AND HEAVY RAIN WILL BE ALONG AND WEST OF THE UPPER MINNESOTA RIVER AND RED RIVER VALLEYS. THE BEST POTENTIAL FOR WIDESPREAD HEAVY RAIN IS SATURDAY AFTERNOON AND SATURDAY NIGHT. CONFIDENCE IS FAIRLY HIGH THAT AT THIS TIME A SHORTWAVE WILL MOVE ACROSS THE REGION UP FROM THE SOUTHWEST AND PROVIDE SUFFICIENT LIFT FOR SEVERAL ROUNDS OF SHOWERS AND THUNDERSTORMS BEGINNING SATURDAY AFTERNOON THROUGH SATURDAY NIGHT. MOST LOCATIONS SHOULD SEE 1 TO 1.5 INCHES OF PRECIP...WITH A FEW ISOLATED LOCATIONS PICKING UP 2 TO 3 INCHES. BUFR SOUNDINGS SHOW THE LOW LEVEL JET NEARLY EQUAL AND OPPOSITE TO THE MEAN WIND PROFILE...SO STORMS MAY BE VERY SLOW MOVING. IN ADDITION...FREEZING LEVELS IN EXCESS OF 13KFT AGL TOGETHER WITH PWATS IN THE 1.5 TO 2IN RANGE WILL SUPPORT RAINFALL RATES NEAR 2-3IN PER HOUR. FORTUNATELY THERE IS NOT A WELL ESTABLISHED LOW LEVEL BOUNDARY...SO THE CONVECTION SHOULD NOT BE FOCUSED IN ONE PARTICULAR AREA. THIS LEADS TO LOW CONFIDENCE IN EXACT LOCATION...BUT HOPEFULLY WILL LEND ITSELF TO A MORE WIDESPREAD RAINFALL DISTRIBUTION AS OPPOSED TO BEING FOCUSED IN ONE PARTICULAR RIVER BASIN. THIS PRECIP WILL LIFT EAST NORTHEAST SATURDAY NIGHT...WITH A DRY SLOT DEVELOPING ACROSS SOUTHWEST MN SUNDAY AFTERNOON. IN THE WINTER...THIS WOULD LEAD TO CLEAR SKIES AND BRING AN END TO THE PRECIP...BUT IN THE SUMMER...THIS DRY SLOT WILL ALLOW THE BOUNDARY LAYER INSTABILITY TO BUILD BENEATH 7-8C/KM H700-500 LAPSE RATES...SETTING THE STAGE FOR SEVERE WEATHER SUNDAY AFTERNOON AND EVENING. MLCAPE VALUES OF 2000 TO 3000 J/KG IS EXPECTED...AS DEEP LAYER SHEAR INCREASES TO 40-50KTS IN RESPONSE THE UPPER LEVEL JET MOVING ACROSS THE REGION. UNDER THESE CONDITIONS...SUPERCELLS ARE EXPECTED AS THE PRIMARY MODE OF CONVECTION. THE LOW LEVEL HODOGRAPHS FROM BOTH THE NAM AND GFS AHEAD OF THE SURFACE BOUNDARY ARE FAIRLY LINEAR IN THE LOWEST 1KM...BUT RIGHT MOVING SUPERCELLS WILL BE ABLE TO GENERATE AROUND 100 TO 150M2/S2 OF 1KM SRH. 3KM HODOGRAPHS HAVE 200 TO 300M2/S2 OF SRH. LCLS MAY BE THE WILD CARD FOR TORNADIC POTENTIAL...BUT VERY LARGE HAIL APPEARS TO BE LIKELY WITH THE STRONGER CELLS. MEANWHILE...30 TO 40KTS OF 0-3KM WESTERLY SHEAR SHOULD LEAD TO UPSCALE GROWTH INTO A LINEAR COMPLEX CAPABLE OF PRODUCING STRAIGHT LINE WINDS. LOOKING AHEAD...NORTHWEST FLOW WILL BRING COOLER AIR ACROSS THE REGION...BUT A FEW EMBEDDED SHORTWAVES COULD SPARK SHOWERS AND NON SEVERE THUNDERSTORMS. AT THIS TIME WENT WITH THE DRIER SOLUTION. && .AVIATION...(FOR THE 00Z TAFS THROUGH 00Z FRIDAY EVENING) ISSUED AT 645 PM CDT THU JUN 26 2014 POCKETS OF SHOWERS AND ISOLATED THUNDERSTORMS WILL LIFT ACROSS THE AREA THIS EVENING...PRIMARILY AFFECTING MN SITES. THERE IS SOME INDICATION THAT A MORE ORGANIZED BATCH OF SHOWERS/TS WILL LIFT INTO CENTRAL/EAST CENTRAL MN AND WEST CENTRAL WISCONSIN AFTER 06Z AND PERSIST THROUGH DAYBREAK FRIDAY MORNING. CONFIDENCE IS HIGHEST OVER CENTRAL MN /KAXN-KSTC/ WHERE A PREVAILING SHRA GROUP WITH MVFR CONDITIONS WAS INCLUDED OVERNIGHT. SLIGHTLY LOWER CONFIDENCE REGARDING TIMING/AREAL COVERAGE TO THE EAST BUT ENOUGH INDICATION TO WARRANT TEMPOS FOR SHRA/TS AND MVFR AT KMSP-KRNH-KEAU. THEN EXPECT A BREAK IN THE ORGANIZED ACTIVITY DURING THE DAY ON FRIDAY...WITH MORE DEVELOPMENT BY EVENING AS DESTABILIZATION OCCURS ALONG THE WARM FRONT BISECTING THE AREA. SOUTHEAST WINDS WILL DECLINE BELOW 10 KTS OVERNIGHT BUT GUST TO AROUND 20 KTS AGAIN DURING THE DAY ON FRIDAY. KMSP... SHOWERS ARE EXPECTED TO BE NEAR TO KMSP THIS EVE...BUT THE MORE PROBABLE WINDOW OF MVFR CONDITIONS AND SHRA/TS WILL BE OVERNIGHT. STILL LOW CONFIDENCE ON TIMING...BUT CURRENTLY THINK THE 08Z-12Z TIME FRAME IS A GOOD BET. SOUTHEAST WINDS WILL SUBSITES BELOW 10 KTS THIS EVE...BUT GUST TO AROUND 20 KTS AGAIN AFTER 14Z FRIDAY. A BKN LOW-END VFR DECK /CIRCA 5000FT/ WILL PREVAIL ON FRIDAY...WITH THUNDERSTORM CHANCES BUILDING AGAIN FRIDAY P.M. /OUTLOOK FOR KMSP/ SAT...MVFR/IFR CIGS/VSBYS LIKELY IN SHRA/TSRA. OTHERWISE VFR. WINDS S 10-15 KTS. SUN...MVFR/IFR CIGS/VSBYS LIKELY IN SHRA/TSRA. OTHERWISE VFR. WINDS SSW 10-15 KTS. MON...VFR. WINDS SW 10-15 KTS. && .MPX WATCHES/WARNINGS/ADVISORIES... MN...NONE. WI...NONE. && SHORT TERM...JPC LONG TERM...JRB AVIATION...LS
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1259 PM CDT THU JUN 26 2014 MNZ041>045-047>070-073>078-082>085-091>093-WIZ014>016-023>028- 271200- 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- 1259 PM CDT THU JUN 26 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL AND SOUTHERN MINNESOTA... AND WEST CENTRAL WISCONSIN. .DAY ONE...THIS AFTERNOON AND TONIGHT. ISOLATED NON-SEVERE THUNDERSTORMS ARE POSSIBLE OVER MINNESOTA TODAY AND ACROSS THE ENTIRE OUTLOOK AREA TONIGHT. RIVER FLOODING WILL CONTINUE WITH MANY LOCAL RIVERS STILL EXPERIENCING RISING RIVER LEVELS. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. THUNDERSTORMS ARE POSSIBLE FROM FRIDAY THROUGH MONDAY MORNING. A FEW SEVERE THUNDERSTORMS ARE POSSIBLE SATURDAY AND SATURDAY NIGHT...BUT THERE IS AN INCREASING THREAT FOR A MORE SUBSTANTIAL EPISODE OF SEVERE WEATHER SUNDAY AFTERNOON INTO EARLY MONDAY MORNING. ALL MODES OF SEVERE WEATHER WOULD BE POSSIBLE... INCLUDING LARGE HAIL...DAMAGING WINDS...AND TORNADOES. WIDESPREAD HEAVY RAINFALL SATURDAY AND SATURDAY NIGHT COULD EXACERBATE CURRENT FLOODING PROBLEMS IN SOUTHERN MINNESOTA...IN ADDITION TO LOCALIZED FLASH FLOODING. RIVER FLOODING WILL CONTINUE THROUGH AT LEAST THE WEEKEND ON THE MINNESOTA RIVER...CROW RIVER...AND PORTIONS OF THE MISSISSIPPI RIVER. SOME LOCATIONS ALONG MAIN RIVER STEMS ARE AT MAJOR FLOOD STAGE. FLOODING WILL ALSO CONTINUE ALONG MANY SMALLER STREAMS AND CREEKS. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT...BUT MAY BE NEEDED AT TIMES SATURDAY THROUGH SUNDAY NIGHT.
The Minneapolis radar (KMPX), 34 km away, was scanning. The volume nearest the first event began at 00:06 UTC.
1 thunderstorm wind. Local standard time, as filed.
Numerous trees were snapped off from about half way up. One tree landed on a trained spotter's house.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Minnesota in 2014Every state in 2014This day in weather historyWarnings in Minnesota, June 2014
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: 514921.