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An upper level disturbance moved through the region late Saturday night and early Sunday morning (August 1st and 2nd, 2015). Strong elevated instability ahead of this disturbance, combined with strong deep shear resulted in a favorable environment for severe thunderstorms. Hail up to 2.5" in diameter and wind gusts up to 67 mph were reported from thunderstorms late Saturday night/early Sunday morning. 



Photo courtesy Carol Christenson - Hail reported in Waubun, MN.



Storm report map as compiled by the Storm Prediction Center.

Click here for Google Map of Unfiltered Reports from Saturday Night

Click here for Google Map of Unfiltered Reports from Sunday Morning
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
932 AM CDT SUN AUG 02 2015

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

1136 PM     HAIL             1 W LANCASTER           48.86N 96.82W
08/01/2015  E1.00 INCH       KITTSON            MN   TRAINED SPOTTER

            OCCASIONAL LARGE HAIL ALONG WITH HEAVY RAINS AND SMALLER
            BROKEN BRANCHES.

1154 PM     TSTM WND GST     2 NE ROSEAU             48.87N 95.73W
08/01/2015  M67.00 MPH       ROSEAU             MN   AWOS

            PEAK WIND TO 58 KTS MEASURED AT THE ROSEAU AIRPORT.

0600 AM     HAIL             2 N FERTILE             47.56N 96.29W
08/02/2015  M1.00 INCH       POLK               MN   PUBLIC

            VIA SOCIAL MEDIA

0610 AM     HAIL             5 E FERTILE             47.53N 96.18W
08/02/2015  M1.00 INCH       POLK               MN   PUBLIC

            VIA SOCIAL MEDIA

0630 AM     HAIL             FAITH                   47.29N 96.10W
08/02/2015  E1.00 INCH       NORMAN             MN   PUBLIC

            VIA SOCIAL MEDIA

0635 AM     HAIL             WAUBUN                  47.18N 95.94W
08/02/2015  M1.75 INCH       MAHNOMEN           MN   PUBLIC

            PICTURE FROM SOCIAL MEDIA

0640 AM     HAIL             OGEMA                   47.10N 95.92W
08/02/2015  M1.75 INCH       BECKER             MN   PUBLIC

            VIA SOCIAL MEDIA

0700 AM     HAIL             CALLAWAY                46.98N 95.91W
08/02/2015  M1.75 INCH       BECKER             MN   PUBLIC

            VIA SOCIAL MEDIA

0700 AM     HAIL             RICHWOOD                46.97N 95.82W
08/02/2015  M2.00 INCH       BECKER             MN   PUBLIC

            PICTURE FROM SOCIAL MEDIA

0705 AM     HAIL             4 NE RICHWOOD           47.02N 95.76W
08/02/2015  M1.50 INCH       BECKER             MN   PUBLIC

            VIA SOCIAL MEDIA

0715 AM     HAIL             ROCHERT                 46.86N 95.69W
08/02/2015  M1.75 INCH       BECKER             MN   PUBLIC

            AT COTTON LAKE VIA SOCIAL MEDIA

0719 AM     HAIL             ROCHERT                 46.86N 95.69W
08/02/2015  M1.75 INCH       BECKER             MN   PUBLIC

            VIA SOCIAL MEDIA

0720 AM     HAIL             7 E DETROIT LAKES       46.81N 95.69W
08/02/2015  M2.50 INCH       BECKER             MN   PUBLIC

            PICTURE FROM SOCIAL MEDIA. ALSO REPORTED MINOR DAMAGE TO
            THEIR HOUSE...AND MAJOR DAMAGE TO A CAR.

0725 AM     HAIL             FRAZEE                  46.73N 95.70W
08/02/2015  E1.50 INCH       BECKER             MN   PUBLIC

            PICTURE ON SOCIAL MEDIA

0735 AM     HAIL             1 N PERHAM              46.61N 95.57W
08/02/2015  M1.75 INCH       OTTER TAIL         MN   PUBLIC

            AT LITTLE PINE LAKE VIA SOCIAL MEDIA

0740 AM     HAIL             PERHAM                  46.60N 95.57W
08/02/2015  M2.50 INCH       OTTER TAIL         MN   PUBLIC

            PICTURE FROM SOCIAL MEDIA

0750 AM     HAIL             2 E NEW YORK MILLS      46.52N 95.33W
08/02/2015  E0.88 INCH       OTTER TAIL         MN   TRAINED SPOTTER

0755 AM     HAIL             3 S NEW YORK MILLS      46.48N 95.37W
08/02/2015  E1.00 INCH       OTTER TAIL         MN   PUBLIC

            FROM SOCIAL MEDIA...ESTIMATED SIZES RANGED FROM NICKEL TO
            QUARTER SIZE.

0810 AM     HAIL             6 E HENNING             46.32N 95.32W
08/02/2015  M0.88 INCH       OTTER TAIL         MN   PARK/FOREST SRVC

0820 AM     HAIL             6 ENE PARKERS PRAIRIE   46.19N 95.21W
08/02/2015  M1.25 INCH       OTTER TAIL         MN   PUBLIC

            PICTURE ON SOCIAL MEDIA