October 31, 2020

SOUTH DAKOTAS WEATHER IS ALWAYS ON OUR RADAR

A Path of Destructive Hail

071020J

WESTERN, SOUTH DAKOTA - A powerful supercell thunderstorm that started its journey in Wyoming moved across the Black Hills, Rapid City, and southwest, South Dakota brought massive hail, strong winds, and some isolated tornadoes.

During the event, the most significant hail was found in Swett, South Dakota, where Grapefruit size hail or four inches in diameter was reported. This image below from the National Weather Service in Rapid City overview of the storms was taken in Swett, South Dakota, by K. Rayhill.

Swett, SD - Photo Credit:  K. Rayhill - National Weather Service, Rapid City
Swett, SD - Photo Credit: K. Rayhill - National Weather Service, Rapid City

Rapid City also saw its share of large hail with about teacup size hail or three inches in diameter reported just outside of town down.

Up towards the northwest, the city of Spearfish saw golf ball size hail or 1.75 inch diameter hail, and in Piedmont, hail to the size of Ping Pong Balls fell from the storm.

Below is the complete July 10th hail reports from the National Weather Service.

07:55 pm CDT SWETT, SD Hail 4.00 INCH
05:50 pm CDT 4 W DWTN RAPID CITY, SD Hail 3.25 INCH
05:40 pm CDT 4 SW DWTN RAPID CITY, SD Hail 3.25 INCH
05:54 pm CDT 1 SSE DWTN RAPID CITY, SD Hail 3.00 INCH
05:43 pm CDT 2 SW DWTN RAPID CITY, SD Hail 3.00 INCH
05:44 pm CDT 2 SW DWTN RAPID CITY, SD Hail 2.75 INCH
08:15 pm CDT 9 S MARTIN, SD Hail 2.75 INCH
07:25 pm CDT 1 SE SHARPS CORNER, SD Hail 2.75 INCH
05:40 pm CDT 3 W DWTN RAPID CITY, SD Hail 2.50 INCH
06:50 pm CDT 5 W ROCKYFORD, SD Hail 2.50 INCH
05:43 pm CDT 1 E DWTN RAPID CITY, SD Hail 2.25 INCH
08:27 pm CDT 4 NNE GLENHAM, SD Hail 2.00 INCH
05:46 pm CDT 3 W DWTN RAPID CITY, SD Hail 2.00 INCH
05:44 pm CDT 3 S DWTN RAPID CITY, SD Hail 2.00 INCH
05:20 pm CDT 2 NNE JOHNSON SIDING, SD Hail 1.75 INCH
05:30 pm CDT 4 WNW DWTN RAPID CITY, SD Hail 1.75 INCH
05:36 pm CDT 2 WSW DWTN RAPID CITY, SD Hail 1.75 INCH
06:30 pm CDT 9 SW FARMINGDALE, SD Hail 1.75 INCH
07:37 pm CDT 5 E PORCUPINE, SD Hail 1.75 INCH
04:45 pm CDT DWTN SPEARFISH, SD Hail 1.75 INCH
05:24 pm CDT 1 NNW PIEDMONT, SD Hail 1.50 INCH
09:40 pm CDT 4 S HOVEN, SD Hail 1.25 INCH
05:53 pm CDT 1 SSW RAPID VALLEY, SD Hail 1.25 INCH
05:50 pm CDT 5 NE ROCKERVILLE, SD Hail 1.25 INCH
05:22 pm CDT 1 NNW SUMMERSET, SD Hail 1.25 INCH
07:45 pm CDT 6 NE MAHTO, SD Hail 1.00 INCH
05:30 pm CDT SUMMERSET, SD Hail 1.00 INCH
06:40 pm CDT 5 ENE CUSTER, SD Hail 1.00 INCH
05:51 pm CDT 4 NE ROCKERVILLE, SD Hail 1.00 INCH
06:00 pm CDT 7 SW RAPID CITY ARPT, SD Hail 1.00 INCH
04:51 pm CDT 1 S DWTN SPEARFISH, SD Hail 1.00 INCH
04:40 pm CDT 9 W DWTN SPEARFISH, SD Hail 1.00 INCH