Line of Severe Storms with Damaging Winds - September 19, 2017

Overview

A line of strong to severe storms moved across the region Tuesday evening and into the overnight hours. The line produced damaging winds in many locations, along with a few reports of large hail.

Loop of Radar Imagery in southeast South Dakota and southwest Minnesota on Tuesday, September 19, 2017

Loop of radar imagery across southeast South Dakota and southwest Minnesota the evening of Tuesday, September 19, 2017

Wind & Hail
Radar
Storm Reports

Wind & Hail:

Wind


Wind Damage in Wentworth, SD (image provided by Nicole Agnew)	Wind Damage in Wentworth, SD (image provided by Nicole Agnew)	Wind Damage in Wentworth, SD (image provided by Nicole Agnew)	Tree Damage in near Ash Creek, MN (image provided by Amy Kruger)


Tree Damage near the Moody/Lake County Line (image provided by Ryan Willuweit)	Tree Damage in Colman, SD (image provided by Carl Brakke)	Tree Damage in Dell Rapids, SD (image provided by Scott Hansen)

Radar & Satellite:

Satellite and Radar imagery


GOES-16 infrared satellite imagery across the Dakotas and Minnesota (Data is non-operational & preliminary)	Radar Loop across the Dakotas and Minnesota	Closer Radar View for southeast South Dakota and southwest Minnesota	Radar projected estimated hail size. Green to yellow shading indicates potential for larger hail.

Storm Reports

Map of storm reports

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE SIOUX FALLS SD
728 AM CDT WED SEP 20 2017

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

1202 AM     TSTM WND GST     2 S LUVERNE             43.62N 96.21W
09/20/2017  M68 MPH          ROCK               MN   AWOS



1159 PM     TSTM WND DMG     4 ENE STEEN             43.54N 96.19W
09/19/2017                   ROCK               MN   PUBLIC

            TREE DOWNED ONTO CAR. REPORT VIA SOCIAL
            MEDIA. TIME ESTIMATED FROM RADAR.

1155 PM     TSTM WND GST     1 WSW BEAVER CREEK      43.61N 96.38W
09/19/2017  M58 MPH          ROCK               MN   MESONET

            MNDOT RWIS SITE AT BEAVER CREEK.

1138 PM     TSTM WND GST     3 NNW SIOUX FALLS       43.58N 96.75W
09/19/2017  M58 MPH          MINNEHAHA          SD   ASOS



1127 PM     TSTM WND DMG     DELL RAPIDS             43.82N 96.71W
09/19/2017                   MINNEHAHA          SD   PUBLIC

            TREE SNAPPED IN DELL RAPIDS...REPORT VIA
            SOCIAL MEDIA.

1127 PM     TSTM WND GST     3 N SIOUX FALLS         43.58N 96.74W
09/19/2017  M60 MPH          MINNEHAHA          SD   ASOS

            OBSERVED AT SIOUX FALLS AIRPORT.

1121 PM     TSTM WND DMG     COLMAN                  43.98N 96.82W
09/19/2017                   MOODY              SD   PUBLIC

            TREES AND POWER LINES DOWN. TIME ESTIMATED
            FROM RADAR. REPORT VIA SOCIAL MEDIA.

1116 PM     TSTM WND DMG     WENTWORTH               44.00N 96.96W
09/19/2017                   LAKE               SD   PUBLIC

            DAMAGE TO TREES AND SIDING. REPORT VIA
            SOCIAL MEDIA.

1109 PM     TSTM WND DMG     3 SW WENTWORTH          43.96N 97.01W
09/19/2017                   LAKE               SD   TRAINED SPOTTER

            GARAGE DOORS BLOWN IN....TREE BRANCHES DOWN
            ALL AROUND LAKE MADISON. TIME ESTIMATED FROM
            RADAR.

1057 PM     TSTM WND DMG     MARION                  43.42N 97.26W
09/19/2017                   TURNER             SD   EMERGENCY MNGR

            6 INCH BRANCHES DOWN IN MARION...TIME
            ESTIMATED FROM RADAR.

1051 PM     TSTM WND DMG     SALEM                   43.73N 97.39W
09/19/2017                   MCCOOK             SD   STORM CHASER

            STORM CHASER STREAM SHOWED LOTS OF TREE
            DAMAGE IN SALEM.

1049 PM     TSTM WND GST     4 S SALEM               43.67N 97.39W
09/19/2017  M55 MPH          MCCOOK             SD   EMERGENCY MNGR



1002 PM     TSTM WND GST     2 N MITCHELL            43.77N 98.03W
09/19/2017  M58 MPH          DAVISON            SD   ASOS



0956 PM     TSTM WND GST     2 N LAKE ANDES          43.19N 98.54W
09/19/2017  M53 MPH          CHARLES MIX        SD   TRAINED SPOTTER



0929 PM     HAIL             7 NE WOONSOCKET         44.13N 98.17W
09/19/2017  E1.00 INCH       SANBORN            SD   TRAINED SPOTTER



0920 PM     HAIL             WHITE LAKE              43.73N 98.71W
09/19/2017  E1.50 INCH       AURORA             SD   EMERGENCY MNGR



0915 PM     HAIL             8 SW HERRICK            43.03N 99.30W
09/19/2017  E1.25 INCH       GREGORY            SD   TRAINED SPOTTER

            QUARTER TO HALF DOLLAR SIZED HAIL.

0908 PM     HAIL             8 SSE KIMBALL           43.65N 98.88W
09/19/2017  E1.00 INCH       BRULE              SD   EMERGENCY MNGR

            QUARTER SIZE HAIL AT GRASS RANCH COLONY.


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Storm Impacting the Northwest U.S.; Fire Weather Conditions in Southern California; Severe Weather in the South

Line of Severe Storms with Damaging Winds - September 19, 2017