A series of Bering Sea storms will impact western Alaska this week, with elevated water levels, isolated coastal flooding, high surf, erosion, and strong winds. Heavy rain and snow are also expected for the West Coast into Interior Alaska. A multi-day flash flooding threat is forecast across parts of the southern High Plains and Southwest through the weekend. Surf remains high for Florida. Read More >
Overview
On June 4, 2020, severe thunderstorms brought very large hail and damaging winds to portions of northeastern Wyoming and western South Dakota. Hail of tennis ball to baseball sized was observed from near Spearfish to portions of Rapid City, with hail larger than baseballs observed south of Faith. Winds over 70 mph damaged structures northwest of Spearfish and north of Ellsworth AFB.
Photos & Video
Hail
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| Hail in Spearfish (courtesy Alex Miller) |
Hail northeast of Deadwood (courtesy William Collister) |
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| Hail in Spearfish (courtesy Rebecca Kalbach) |
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Wind Damage
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| Wind damage near I-90, exit 2 (courtesy Collette Fickbohm) |
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Storm Photos
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| Supercell from Gillette to Newcastle (courtesy Jesse Frear) |
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| Supercell near Rapid City (courtesy Lexy Elizalde) |
Supercell near Martin (courtesy Jeff Piotrowski) |
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| Supercell near Sundance (courtesy Meghan and Dave Porter) |
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| Supercell and rainbow over the Badlands (courtesy Spencer Dant) |
Looking toward the Black Hills (courtesy Michael Charnick) |
Videos and Time Lapses
I don’t know about y’all, but this is the view I needed today. #sdwx @BrantBeckmanwx pic.twitter.com/7VXCekEhy8
— Megan Murat (@MeganMuratTV) June 5, 2020
Quick supercell timelapse from the drone #sdwx pic.twitter.com/rfdb3F0PLr
— Michael Snyder (@SeattleWXGuy) June 5, 2020
6/4/2020: 16x timelapse of hailstorm moving over Rapid City, SD (looking WNW from Radar Hill Rd.) #SDwx pic.twitter.com/2EKSFw7iD2
— Matthew Bunkers (@wxbunkers) June 5, 2020
THU - 6:42 PM: Tennis Ball ?? sized hail and 80 mph winds knocks out my back windshield in Blackhawk, SD along I-90. Mud, hail and tree branches came shooting through the back window and hit my front windshield. few cuts, but otherwise uninjured. @NWSRapidCity #sdwx #blackhills pic.twitter.com/kTa6lB1Q5R
— Brant Beckman ? (@BrantBeckmanwx) June 5, 2020
Radar
Storm Reports
HAIL REPORTS LISTED BY SIZE (INCHES)
SIZE LOCATION ST COUNTY TIME
------ ----------------------- -- -------------- -------
3.20 9 S FAITH SD MEADE 0444 PM
2.75 1 NNW PIEDMONT SD MEADE 0617 PM
2.75 8 W FAITH SD MEADE 0425 PM
2.50 6 ENE MARTIN SD BENNETT 0905 PM
2.50 3 N DWTN RAPID CITY SD PENNINGTON 0641 PM
2.50 1 N DWTN RAPID CITY SD PENNINGTON 0637 PM
2.50 BLACK HAWK SD MEADE 0628 PM
HAIL IS DIME TO TENNIS BALL SIZE.
2.50 1 SE SUMMERSET SD MEADE 0627 PM
2.50 3 WNW DWTN SPEARFISH SD LAWRENCE 0539 PM
2.00 6 ENE MARTIN SD BENNETT 0905 PM
2.00 2 N DWTN RAPID CITY SD PENNINGTON 0638 PM
SEVERAL BROKEN WINDSHIELDS IN LOWES PARKING
LOT.
2.00 1 WNW DWTN SPEARFISH SD LAWRENCE 0547 PM
2.00 2 WNW DWTN SPEARFISH SD LAWRENCE 0538 PM
HAIL LASTED 5 MINUTES
2.00 3 W FAITH SD MEADE 0510 PM
2.00 7 W FAITH SD MEADE 0430 PM
1.75 SUMMERSET SD MEADE 0625 PM
STILL ONGOING
1.75 TILFORD SD MEADE 0609 PM
STILL ONGOING
1.75 9 NE MILESVILLE SD HAAKON 0533 PM
WIND GUSTS TO 50 MPH.
1.75 1 W RED SCAFFOLD SD ZIEBACH 0503 PM
1.50 3 SSE DWTN RAPID CITY SD PENNINGTON 0652 PM
1.50 4 N DWTN RAPID CITY SD PENNINGTON 0642 PM
1.50 3 SSE SORUM SD PERKINS 0324 PM
GROUND COVERED WITH HAIL.
1.25 SUNDANCE WY CROOK 0715 PM
1.25 6 SSE DWTN GILLETTE WY CAMPBELL 0712 PM
WIND GUSTS TO 45 MPH.
1.25 3 NNE DWTN RAPID CITY SD PENNINGTON 0647 PM
MULTIPLE BROKEN WINDOWS ON HOUSE
1.25 DEADWOOD SD LAWRENCE 0554 PM
1.25 8 S USTA SD PERKINS 0415 PM
1.00 7 SE SAINT FRANCIS SD TODD 0950 PM
1.00 5 S POTATO CREEK SD JACKSON 0945 PM
40 MPH WINDS
1.00 9 W JEWEL CAVE SD CUSTER 0850 PM
40 MPH WINDS
1.00 2 SE FARMINGDALE SD PENNINGTON 0845 PM
50 MPH WINDS
1.00 7 SW RAPID CITY ARPT SD PENNINGTON 0830 PM
1.00 5 S POTATO CREEK SD JACKSON 0825 PM
1.00 POTATO CREEK SD JACKSON 0818 PM
1.00 HISEGA SD PENNINGTON 0818 PM
1.00 13 ESE SCENIC SD PENNINGTON 0750 PM
1.00 9 SSE DWTN GILLETTE WY CAMPBELL 0715 PM
1.00 3 ESE DWTN RAPID CITY SD PENNINGTON 0648 PM
1.00 1 NE OSHOTO WY CROOK 0638 PM
1.00 3 N JOHNSON SIDING SD PENNINGTON 0627 PM
1.00 5 S SAINT ONGE SD LAWRENCE 0559 PM
1.00 6 NNE ALADDIN WY CROOK 0510 PM
1.00 15 NNW ALVA WY CROOK 0444 PM
LOTS OF MARBLE TO QUARTER SIZE HAIL. GROUND
COVERED WITH HAIL
0.88 6 NNW KYLE SD OGLALA LAKOTA 0935 PM
30-40 MPH WINDS
0.88 15 ENE MILESVILLE SD HAAKON 0526 PM
WIND GUSTS TO 40 MPH.
0.88 HISEGA SD PENNINGTON 0525 PM
0.88 4 SSW REVA SD HARDING 0306 PM
GROUND COVERED WITH HAIL
0.75 13 S UPTON WY WESTON 0810 PM
0.75 11 ENE RECLUSE WY CAMPBELL 0600 PM
WIND GUSTS TO 50 MPH.
0.70 2 NE SILVER CITY SD PENNINGTON 0810 PM
0.70 3 NNE DWTN RAPID CITY SD PENNINGTON 0553 PM
WIND GUSTS ESTIMATED AT OVER 50 MPH.
TSTM WIND REPORTS LISTED BY SPEED (MPH)
SPEED LOCATION ST COUNTY TIME
------ ----------------------- -- -------------- -------
76.00 3 NNW SCENIC SD PENNINGTON 0734 PM
72.00 3 NNW SCENIC SD PENNINGTON 0729 PM
64.00 3 NNW SCENIC SD PENNINGTON 0724 PM
62.00 RAPID CITY ARPT SD PENNINGTON 0651 PM
62.00 1 E LEAD SD LAWRENCE 0555 PM
61.00 7 NNE ELLSWORTH AFB SD MEADE 0615 PM
WIND GUSTS OF 60 TO 70 MPH BLEW OVER AT LEAST
3 POLE BARNS IN THE NEIGHBORHOOD. WIND LASTED
ABOUT 10 MINUTES.
60.00 3 SSE SORUM SD PERKINS 0324 PM
59.00 ELLSWORTH AFB SD MEADE 0602 PM
56.00 1 SSE BOX ELDER SD PENNINGTON 0600 PM
53.00 4 E DWTN SPEARFISH SD LAWRENCE 0555 PM
52.00 BEULAH WY CROOK 0532 PM
50.00 16 WSW DWTN GILLETTE WY CAMPBELL 0652 PM
50.00 4 S DWTN RAPID CITY SD PENNINGTON 0650 PM
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