An isolated report of a funnel cloud was received near Detroit Lakes, Minnesota.
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The episode as NWS FGF wrote it up.
An isolated report of a funnel cloud was received near Detroit Lakes, 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 Grand Forks, ND wrote its last area forecast discussion before the first event at Jul 2, 5:03 PM CST, 17 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GRAND FORKS ND 603 PM CDT TUE JUL 2 2013 .UPDATE... ISSUED AT 603 PM CDT TUE JUL 2 2013 SENDING OUT UPDATE A BIT EARLY AS SHOWERS AND A FEW ISOLATED THUNDERSTORMS HAVE DEVELOPED ALONG OUR EASTERN COUNTIES FROM LAKE OF THE WOODS TOWARDS DTL. THE CONVECTION SEEMS TO HAVE DEVELOPED ALONG AN AXIS OF LOW LEVEL MOISTURE CONVERGENCE AND CAPE VALUES AROUND 1000 J/KG. WITH NOT MUCH UPPER SUPPORT...THINK THAT THE STORMS SHOULD DIE OFF WHEN WE LOSE HEATING. HOWEVER...ISOLATED ACTIVITY COULD BRING A FEW HUNDREDTHES OF AN INCH SO PUT IN SOME 20 POPS FOR THE NEXT FEW HOURS. && .SHORT TERM...(THIS EVENING THROUGH WEDNESDAY NIGHT) ISSUED AT 330 PM CDT TUE JUL 2 2013 FORECAST CHALLENGES WILL BE TEMPERATURES THROUGH THE PERIOD AND THEN LOW END PRECIPITATION CHANCES JULY 4TH INTO FRIDAY. GFS/NAM/ ECMWF/GEM MASS AND THERMAL FIELDS IN REASONABLE AGREEMENT...BUT DIFFERENCES EMERGE IN TIMING/PLACEMENT/AMOUNT OF PRECIPITATION LATE IN THE WEEK. WILL USE A BLENDED SOLUTION FOR THIS FORECAST PACKAGE. FOR TONIGHT...THERMAL CU WILL DISSIPATE SOON AFTER SUNSET WITH MOSTLY CLEAR SKIES AFTER MIDNIGHT. BROAD SURFACE HIGH PRESSURE WILL RESULT IN LIGHT AND VARIABLE WIND. TEMPERATURES WILL BE IN THE UPPER 50S TO LOWER 60S. WEDNESDAY WILL BE DRY...BUT SOUTHERLY RETURN FLOW WILL INCREASE FROM WEST TO EAST AS THE SURFACE PRESSURE RIDGE MOVES OVER THE GREAT LAKES. LITTLE CHANGE IN THE BOUNDARY LAYER THERMAL PROFILE WILL RESULT IN TEMPERATURES SIMILAR TO TODAY PLUS OR MINUS A DEGREE OR TWO. .LONG TERM...(THURSDAY THROUGH TUESDAY) ISSUED AT 330 PM CDT TUE JUL 2 2013 FLOW ALOFT BECOMES MORE ZONAL BEGINNING THE FOURTH OF JULY... ALLOWING A SLOW MOVING BOUNDARY TO APPROACH THE REGION. FORCING IS RATHER WEAK...BUT WITH INCREASING MIXED LAYER INSTABILITY...SOME AFTERNOON/EVENING CONVECTIVE ACTIVITY IS POSSIBLE. IF SHOWERS/ THUNDERSTORMS DO DEVELOP...THEY WILL BE CONFINED TO THE NORTHERN HALF OF THE FORECAST AREA. WITH 925 HPA TEMPERATURES RISING TO NEAR 23 TO 24 C...EXPECT AFTERNOON HIGHS IN THE MID TO UPPER 80S. CANNOT RULE OUT LOW 90S...ESPECIALLY ACROSS THE VALLEY FLOOR. SOUTHERLY WIND WILL BECOME BREEZY AT TIMES...GUSTING TO 20 MPH IN THE AFTERNOON. SURFACE BOUNDARY WASHES OUT A BIT ON FRIDAY...SO EXPECT MOSTLY DRY CONDITIONS. BOUNDARY LAYER THERMAL PROFILE INCREASES ANOTHER 1 TO 2 C...SO MOST AREAS WILL REACH THE UPPER 80S TO LOWER 90S...LIKELY THE WARMEST DAY OF THE SUMMER SO FAR. THE UPPER LEVEL RIDGE WILL BREAK DOWN BY FRI NIGHT...AND A MORE ACTIVE PERIOD IS POSSIBLE INTO THE WEEKEND. THERE WILL BE AMPLE INSTABILITY AND MOISTURE WITH PWATS OVER 1.5 INCHES FRI NIGHT AND SAT. THERE SHOULD BE AT LEAST SCATTERED SHOWERS AND STORMS FRI NIGHT INTO SUNDAY...WITH AREAL COVERAGE/TIMING STILL SOMEWHAT UNCERTAIN WITH VARYING MODEL SOLUTIONS. WILL CONTINUE WITH THE ALLBLEND FOR POPS/WX AND TEMPS SHOULD BE NEAR TO SLIGHTLY ABOVE NORMAL THROUGH THE PERIOD. FLOW IS EXPECTED TO TURN MORE NW BY MON/TUE...AND STILL AT LEAST A LOW CHANCE FOR SOME AFTERNOON SHOWERS AND STORMS. TEMPS SHOULD COOL A BIT BELOW NORMAL BY NEXT TUE AND WILL KEEP IT DRY FOR NOW. && .AVIATION...(FOR THE 00Z TAFS THROUGH 00Z WEDNESDAY EVENING) ISSUED AT 603 PM CDT TUE JUL 2 2013 VFR CONDITIONS WILL CONTINUE THROUGHOUT THE PERIOD. THE KTVF AREA COULD SEE SOME CB IN THE VCNTY FOR THE NEXT FEW HOURS...BUT WILL KEEP AN EYE ON RADAR TRENDS TO SEE HOW CLOSE ISOLATED STORMS GET TO THE SITE. WINDS WILL BE LIGHT AND VARIABLE TONIGHT BEFORE PICKING UP OUT OF THE SOUTH TOMORROW. && .HYDROLOGY... ISSUED AT 1006 AM CDT TUE JUL 2 2013 MINOR FLOODING CONTINUES ALONG THE RED RIVER BETWEEN FARGO AND OSLO...WITH HALSTAD SLATED TO DROP BELOW FLOOD STAGE THIS AFTERNOON. DRY WEATHER WILL ALLOW THE RIVER TO CONTINUE TO FALL AT ALL LOCATIONS SOUTH OF OSLO...WITH ONLY TRIVIAL RISES TO THE NORTH. && .FGF WATCHES/WARNINGS/ADVISORIES... ND...NONE. MN...NONE. && UPDATE...JR SHORT TERM...ROGERS LONG TERM...ROGERS/DK AVIATION...JR HYDROLOGY...WJB
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GRAND FORKS ND 713 AM CDT TUE JUL 2 2013 MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024- 026>030-038-039-049-052>054-031215- WEST POLK-NORMAN-CLAY-KITTSON-ROSEAU-LAKE OF THE WOODS- WEST MARSHALL-EAST MARSHALL-NORTH BELTRAMI-PENNINGTON-RED LAKE- EAST POLK-NORTH CLEARWATER-SOUTH BELTRAMI-MAHNOMEN- SOUTH CLEARWATER-HUBBARD-WEST BECKER-EAST BECKER-WILKIN- WEST OTTER TAIL-EAST OTTER TAIL-WADENA-GRANT-TOWNER-CAVALIER- PEMBINA-BENSON-RAMSEY-EASTERN WALSH-EDDY-NELSON-GRAND FORKS- GRIGGS-STEELE-TRAILL-BARNES-CASS-RANSOM-SARGENT-RICHLAND- WESTERN WALSH- 713 AM CDT TUE JUL 2 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN NORTH DAKOTA...WEST CENTRAL AND NORTHWEST MINNESOTA. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY RAIN CHANCES WILL RETURN LATE IN THE WEEK AS AN AREA OF LOW PRESSURE CROSSES THE REGION. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE REQUIRED.
The Fargo/Grand Forks radar (KMVX), 136 km away, was scanning. The volume nearest the first event began at 23:22 UTC.
1 funnel cloud. Local standard time, as filed.
A pronounced landspout type funnel developed north of Detroit Lakes from a southward moving cumuliform cloud. A cell phone video clip provided by a traveler on U. S. Highway 10 north of downtown Detroit Lakes showed the weak funnel extending to within a few hundred feet of the ground and persisting for almost a minute.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Minnesota in 2013Every state in 2013This day in weather historyWarnings in Minnesota, July 2013
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: 451902.