Overview
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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 across southeast South Dakota and southwest Minnesota the evening of Tuesday, September 19, 2017 |
Wind & Hail:
Wind
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| 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) |
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| 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
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| 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

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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