Overview
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A series of strong to severe storms developed and tracked southeast through south central South Dakota on the evening of the Summer Solstice, June 20, 2020. These storms produced repeated rounds of large hail which moved through the Missouri River Valley, with isolated damaging wind gusts as well. |
![]() Supercell in South Central South Dakota (Photo by Jon Sperl) |
Hail:
Multiple storms tracked through the Missouri River Valley, producing swaths of 1 to 2 inch hail.
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| Chamberlain, SD Hail (photo by Libby Renbarger) |
Hail at Happy Camper Campground in Chamberlain, SD (photo by Pamela Boheman) |
Map of Large Hail Tracks through the Missouri River Valley | Supercell north of Lake Andes, SD (photo by Douglas County Emergency Management) |
Radar
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| Radar Loop from 4pm to 10 pm | Map of Severe Thunderstorm Warnings issued on June 20, 2020 |
Storm Reports
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1007 PM CDT SAT JUN 20 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0945 PM HAIL 8 E FAIRFAX 43.01N 98.74W
06/20/2020 E1.00 INCH GREGORY SD PUBLIC
HAIL COVERED THE GROUND.
0918 PM HAIL 6 SW PICKSTOWN 43.01N 98.62W
06/20/2020 E1.75 INCH GREGORY SD PUBLIC
0839 PM HAIL 5 ENE BONESTEEL 43.10N 98.86W
06/20/2020 E1.00 INCH GREGORY SD PUBLIC
0739 PM HAIL 9 E DIXON 43.38N 99.29W
06/20/2020 E1.75 INCH GREGORY SD PUBLIC
DAMAGE TO CARS BY HAIL.
0737 PM HAIL 14 NNE BURKE 43.36N 99.18W
06/20/2020 E2.00 INCH GREGORY SD PUBLIC
GOLF BALL TO 2 HAIL FALLING.
0854 PM HAIL 10 SW PLATTE 43.30N 99.00W
06/20/2020 E1.00 INCH CHARLES MIX SD PUBLIC
REPORT VIA SOCIAL MEDIA.
0830 PM HAIL 10 W PLATTE 43.38N 99.04W
06/20/2020 E1.00 INCH CHARLES MIX SD PUBLIC
REPORT VIA SOCIAL MEDIA.
0830 PM TSTM WND GST 10 W PLATTE 43.38N 99.04W
06/20/2020 M65 MPH CHARLES MIX SD PUBLIC
0825 PM HAIL 7 E PLATTE 43.40N 98.71W
06/20/2020 E1.50 INCH CHARLES MIX SD TRAINED SPOTTER
HAIL PEA TO PING PONG BALL SIZE COVERING THE
GROUND.
0811 PM HAIL 10 SW PLATTE 43.30N 99.00W
06/20/2020 E1.00 INCH CHARLES MIX SD PUBLIC
REPORT VIA TWITTER.
0748 PM HAIL 10 SW PLATTE 43.29N 98.99W
06/20/2020 U1.00 INCH CHARLES MIX SD PUBLIC
REPORT FROM MPING: QUARTER (1.00 IN.).
0803 PM HAIL 10 N PLATTE 43.53N 98.85W
06/20/2020 E1.00 INCH BRULE SD PUBLIC
DAMAGE TO CORN IN FIELDS.
0753 PM HAIL 13 S KIMBALL 43.56N 98.98W
06/20/2020 E1.00 INCH BRULE SD PUBLIC
PEA TO QUARTER SIZE HAIL.
0704 PM HAIL 13 S KIMBALL 43.56N 98.98W
06/20/2020 E1.50 INCH BRULE SD PUBLIC
0632 PM HAIL 10 N PUKWANA 43.92N 99.15W
06/20/2020 E1.75 INCH BRULE SD PUBLIC
CARS DAMAGED BY FALLING HAIL.
0620 PM HAIL 3 SE CHAMBERLAIN 43.77N 99.28W
06/20/2020 E1.75 INCH BRULE SD PUBLIC
0618 PM HAIL 3 S CHAMBERLAIN 43.77N 99.31W
06/20/2020 E1.75 INCH BRULE SD PUBLIC
0612 PM HAIL 2 SSW CHAMBERLAIN 43.77N 99.34W
06/20/2020 E1.75 INCH BRULE SD TRAINED SPOTTER
GROUND COVERED WITH 1.5 TO 1.75 INCH HAIL.
0558 PM HAIL CHAMBERLAIN 43.81N 99.33W
06/20/2020 E1.50 INCH BRULE SD BROADCAST MEDIA
REPORT RECEIVED VIA TWITTER.
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