August 23, 2012 Severe Weather Event

On August 23rd, 2012, strong storms developed ahead of a frontal boundary during the afternoon and intensified to severe strength later that night. There were numerous reports of strong winds, hail, and heavy rainfall in some areas. Damage reports in these localized areas included significant tree damage, one report of roof damage, and plenty reports of quarter-sized hail.

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
354 PM CDT FRI AUG 24 2012

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

1111 AM     HAIL             ESE MILAN               45.11N 95.91W
08/23/2012  M0.88 INCH       CHIPPEWA           MN   TRAINED SPOTTER

0110 PM     HAIL             7 SSW HANCOCK           45.40N 95.85W
08/23/2012  E1.00 INCH       SWIFT              MN   PUBLIC

            HAILED FOR ABOUT 15 MINUTES. LEAVES STRIPPED FROM CORN
            AND BEANS.

0110 PM     HAIL             6 SSW HANCOCK           45.41N 95.84W
08/23/2012  E1.00 INCH       STEVENS            MN   PUBLIC

            HAILED FOR ABOUT 15 MINUTES. LEAVES STRIPPED FROM CORN
            AND BEANS.

0115 PM     HAIL             5 S HANCOCK             45.43N 95.81W
08/23/2012  E0.88 INCH       STEVENS            MN   PUBLIC

            HAILED FOR TEN MINUTES.

0504 PM     HAIL             COKATO                  45.08N 94.19W
08/23/2012  M0.50 INCH       WRIGHT             MN   TRAINED SPOTTER

0637 PM     HAIL             4 SSW MILROY            44.36N 95.59W
08/23/2012  M1.00 INCH       REDWOOD            MN   TRAINED SPOTTER

0646 PM     HAIL             9 WNW MORA              45.92N 93.48W
08/23/2012  M1.00 INCH       KANABEC            MN   TRAINED SPOTTER

            LASTED FOR ABOUT FIVE MINUTES

0755 PM     HAIL             3 ENE WINSTED           44.99N 93.99W
08/23/2012  M1.00 INCH       WRIGHT             MN   TRAINED SPOTTER

0810 PM     TSTM WND DMG     STEWART                 44.73N 94.49W
08/23/2012                   MCLEOD             MN   TRAINED SPOTTER

            NUMEROUS TREES AND BRANCHES DOWN IN STEWART. TIME
            ESTIMATED.

0817 PM     HAIL             STEWART                 44.73N 94.49W
08/23/2012  M1.25 INCH       MCLEOD             MN   LAW ENFORCEMENT

            STRONG WINDS NOTED AS WELL...BUT NO DAMAGE WAS REPORTED
            AT THIS TIME.

0817 PM     HAIL             E STEWART               44.72N 94.48W
08/23/2012  M1.00 INCH       MCLEOD             MN   TRAINED SPOTTER

0819 PM     TSTM WND GST     6 S HUTCHINSON          44.80N 94.37W
08/23/2012  M62.00 MPH       MCLEOD             MN   STORM CHASER

            MEASURED AT HIGHWAY 15 AND 135TH STREET.

0822 PM     HAIL             5 E STEWART             44.73N 94.39W
08/23/2012  M0.88 INCH       MCLEOD             MN   TRAINED SPOTTER

0836 PM     HAIL             4 WSW WATERTOWN         44.94N 93.92W
08/23/2012  M0.75 INCH       CARVER             MN   TRAINED SPOTTER

0843 PM     TSTM WND DMG     3 NW GLENCOE            44.80N 94.19W
08/23/2012                   MCLEOD             MN   LAW ENFORCEMENT

            ROOF PARTIALLY OFF HOUSE. TREES DOWN. PART OF SILO ALSO
            BLOWN OFF. CORRECTED LOCATION INSTEAD OF 3W GLENCOE.

0844 PM     HAIL             LESTER PRAIRIE          44.88N 94.04W
08/23/2012  M1.00 INCH       MCLEOD             MN   TRAINED SPOTTER

0845 PM     TSTM WND DMG     5 SE HOWARD LAKE        45.01N 93.99W
08/23/2012                   WRIGHT             MN   COCORAHS

            2 FOOT DIAMETER WILLOW TREE BRANCH DOWNED. MN HIDEN
            OBSERVER. TIME ESTIMATED.

0852 PM     TSTM WND DMG     NORWOOD/YOUNG AMERICA   44.78N 93.92W
08/23/2012                   CARVER             MN   FIRE DEPT/RESCUE

            NUMEROUS TREES DOWN.

0859 PM     TSTM WND DMG     MAYER                   44.88N 93.89W
08/23/2012                   CARVER             MN   TRAINED SPOTTER

            6 INCH DIAMETER BRANCH DOWN.

0912 PM     HAIL             DASSEL                  45.08N 94.31W
08/23/2012  M0.75 INCH       MEEKER             MN   TRAINED SPOTTER

0914 PM     TSTM WND DMG     BUFFALO                 45.18N 93.87W
08/23/2012                   WRIGHT             MN   TRAINED SPOTTER

            SEVERAL TEN INCH DIAMETER TREE LIMBS SEVERED. TIME
            ESTIMATED.

1152 PM     TSTM WND GST     SOUTH ST PAUL           44.89N 93.04W
08/23/2012  M61.00 MPH       DAKOTA             MN   AWOS

1200 AM     NON-TSTM WND DMG WOODBURY                44.91N 92.92W
08/24/2012                   WASHINGTON         MN   PUBLIC

            DELAYED REPORT...TIME ESTIMATED. NUMEROUS TREE BRANCHES
            DOWN. GUTTERS BLOWN OFF OF ONE RESIDENCE. DAMAGE OCCURRED
            WELL AHEAD OF OF RAIN.

0800 AM     HEAVY RAIN       3 S HOWARD LAKE         45.02N 94.07W
08/24/2012  M4.50 INCH       WRIGHT             MN   PUBLIC

            24 HOUR PRECIPITATION TOTAL.

0800 AM     HEAVY RAIN       2 SSE MONTROSE          45.04N 93.90W
08/24/2012  M3.26 INCH       WRIGHT             MN   COCORAHS

            24 HOUR PRECIPITATION REPORT

0800 AM     HEAVY RAIN       5 SE HOWARD LAKE        45.01N 93.99W
08/24/2012  M5.40 INCH       WRIGHT             MN   COCORAHS

            MN HIDEN OBSERVER. 24 HOUR PRECIPITATION TOTAL.

1050 AM     HEAVY RAIN       3 E WINSTED             44.97N 93.98W
08/24/2012  M5.10 INCH       CARVER             MN   PUBLIC

            24 HOUR RAINFALL TOTAL.

1100 AM     HEAVY RAIN       NNE WINSTED             44.97N 94.05W
08/24/2012  M5.50 INCH       MCLEOD             MN   TRAINED SPOTTER

            24 HOUR RAINFALL TOTAL. ALSO NOTED HAIL UP TO PENNY SIZE
            LAST NIGHT.