Local Storm Report
Issued by NWS Grand Forks, ND

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012
NWUS53 KFGF 142319
LSRFGF

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
618 PM CDT FRI JUL 14 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0516 PM     TORNADO          4 E ROCKLAKE            48.79N 99.16W
07/11/2017  F0               TOWNER             ND   PUBLIC

            THE FUNNEL WHICH PRECEDED THIS TORNADO WAS VIEWED BY
            MULTIPLE STORM SPOTTERS. THE TORNADO LIKELY TOUCHED DOWN
            AND TRACKED EASTWARD FOR A HALF MILE OR LESS THROUGH
            MAINLY OPENED COUNTRY AND LIFTED BY 518 PM CDT. PEAK
            WINDS ESTIMATED TO 70 MPH. MAXIMUM WIDTH ESTIMATED TO 100
            YARDS.

0548 PM     TORNADO          5 E CLYDE               48.77N 98.79W
07/11/2017  F0               CAVALIER           ND   PUBLIC

            BRIEF TOUCHDOWN NOTED BY OBSERVER NEAR THE CORNER OF CR5
            AND CR20. TORNADO LIKELY TRACKED OVER OPENED COUNTRY FOR
            LESS THAN A HALF MILE AND LIFTED BY 518 PM CDT. MAXIMUM
            WINDS ESTIMATED TO 70 MPH. MAXIMUM WIDTH TO 100 YARDS.
            TIME ESTIMATED BASED ON RADAR.

0625 PM     TORNADO          5 NNW NORTHWOOD         47.80N 97.61W
07/11/2017  F1               GRAND FORKS        ND   NWS STORM SURVEY

            THIS PARTIALLY RAIN WRAPPED TORNADO TRACKED
            INTERMITTENTLY TO THE SOUTHEAST FOR NEARLY 5 MILES TO
            AROUND 3 ENE OF NORTHWOOD BY 640 PM CDT. THE TORNADO
            BROKE DOWN LARGE BRANCHES AND SNAPPED A FEW TREE TRUNKS
            IN SHELTER BELTS ALONG IT PATH. MAXIMUM WIDTH ESTIMATED
            TO 150 YARDS. PEAK WINDS ESTIMATED TO 90 MPH.

0630 PM     TORNADO          5 NW ADAMS              48.47N 98.15W
07/11/2017  F1               WALSH              ND   STORM CHASER

            THIS ROPE TORNADO TRACKED FOR ROUGHLY 7 MILES TO THE EAST
            SOUTHEAST AND EVENTUALLY PRODUCED A SUBSTANTIAL DUST
            SWIRL BEFORE IT ENDED ABOUT 2 ENE OF ADAMS BY 646 PM CDT.
            IT WAS VIEWED AND PHOTOGRAPHED FROM MULTIPLE LOCATIONS.
            THOUGH IT REMAINED OVER LARGELY OPENED COUNTRY IT DID
            SNAPPED A FEW HARDWOOD TREE TRUNKS AT A COUPLE OF
            LOCATIONS. MAXIMUM WIDTH TO 150 YARDS. PEAK WINDS
            ESTIMATED TO 105 MPH.

0650 PM     TORNADO          4 NNW MANVEL            48.13N 97.21W
07/11/2017  F0               GRAND FORKS        ND   TRAINED SPOTTER

            THIS TORNADO WAS OBSERVED AND REPORTED BY SPOTTERS
            LOCATED NEAR MANVEL AND ALONG HWY 81 AND CR1 ABOUT 6
            MILES NORTHWEST OF MANVEL. THE TORNADO TRACKED TO THE
            EAST FOR NEARLY 2 MILES AND CROSSED INTERSTATE 29 JUST
            SOUTH OF EXIT 157...BEFORE LIFTING AROUND 3.5 ENE OF
            MANVEL BY 656 PM CDT. THE TORNADO BROKE DOWN LARGE TREE
            BRANCHES AT MULTIPLE SHELTER BELTS AND GROVES ALONG ITS
            PATH. PEAK WINDS ESTIMATED TO 75 MPH. MAXIMUM WIDTH TO
            150 YARDS.

0655 PM     TORNADO          8 E HATTON              47.64N 97.29W
07/11/2017  F2               TRAILL             ND   NWS STORM SURVEY

            THIS MULTI-VORTEX TORNADO WAS WRAPPED IN RAIN AND HAIL
            FOR MUCH OF ITS PATH AS IT TRACKED PRIMARILY TO THE
            SOUTHEAST FOR OVER 22 MILES. IT CROSSED INTERSTATE 29
            JUST NORTH OF THE TAFT ELEVATORS THEN DOVE SOUTH
            SOUTHEASTWARD TO A POINT ROUGHLY 2.5 ENE OF HILLSBORO
            WHERE IT CURLED TO THE NORTHEAST...ENDING ABOUT 4.5 ENE
            OF HILLSBORO BY 746 PM CDT. THE TORNADO SNAPPED TREES AND
            DESTROYED SEVERAL FARM BUILDINGS ALONG ITS PATH. MAXIMUM
            WIDTH ESTIMATED TO 1200 YARDS. PEAK WINDS ESTIMATED TO
            135 MPH.

0707 PM     TORNADO          6 SSW ALVARADO          48.11N 97.05W
07/11/2017  F1               POLK               MN   NWS STORM SURVEY

            THIS TORNADO TRACKED INTERMITTENTLY FOR NEARLY 10 MILES
            ACROSS NORTHERN NORTHLAND AND TABOR TOWNSHIPS... AND
            LIFTED AROUND 3 MILES EAST OF TABOR BY 730 PM CDT. THE
            TORNADO SNAPPED OR UPROOTED A FEW SPRUCE TREES AND BROKE
            DOWN NUMEROUS LARGE BRANCHES IN SHELTER BELTS ALONG ITS
            PATH. AT ONE FARMSTEAD EAST OF TABOR IT TORE STEEL PANELS
            OFF OFF OF SHED ROOF AND SNAPPED LARGE TREE LIMBS.
            MAXIMUM WIDTH ESTIMATED TO 250 YARDS. PEAK WINDS
            ESTIMATED TO 95 MPH.

0745 PM     TORNADO          4 ESE HILLSBORO         47.38N 96.98W
07/11/2017  F2               TRAILL             ND   NWS STORM SURVEY

            THIS TORNADO DEVELOPED FROM THE MAIN MESOCYCLONE AS ITS
            PREDECESSOR ROPED OUT. IT TRACKED ESE FOR ROUGHLY 6 MILES
            BEFORE IT CROSSED THE RED RIVER ABOUT 1W OF HALSTAD MN
            AROUND 8 PM CDT. IT THEN CONTINUED TO TRACK ESE FOR
            ANOTHER 5 MILES TO AROUND 4 ESE OF HALSTAD BY 810 PM CDT.
            THIS TORNADO SNAPPED H-POLE POWER POLES, CRUSHED STEEL
            GRAIN BINS, SNAPPED NUMEROUS OAK AND ASH TREES, AND
            TOPPLED A BARN ALONG ITS PATH. MAXIMUM WIDTH TO 600
            YARDS. PEAK WINDS ESTIMATED TO 130 MPH.

0840 PM     TORNADO          3 N BORUP               47.22N 96.51W
07/11/2017  F2               NORMAN             MN   NWS STORM SURVEY

            THIS TORNADO TRACKED TO THE SOUTHEAST FOR ROUGHLY 13
            MILES... BEFORE IT CURLED OUT AROUND 2 MILES NORTH OF
            ULEN BY 906 PM CDT. THIS TORNADO COLLASPSED AT LEAST ON
            SHED, SNAPPED NUMEROUS TREES, AND TOSSED LARGE ROUND HAY
            BALES ACROSS A SUGAR BEET FIELD. IT ALSO SNAPPED AT LEAST
            A HALF DOZEN WOODEN POWER POLES. MAXIMUM WIDTH ESTIMATED
            TO 500 YARDS. PEAK WINDS ESTIMATED TO 125 MPH.


&&

$$

GGUST



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