Father's Day Storms across Northwest Iowa and Nearby Areas - June 21, 2020

Overview

Severe storms moved across northwest Iowa, and nearby areas of northeast Nebraska, far southeast South Dakota, and southwest Minnesota on Father's Day 2020, Sunday, June 21st. Early storms produced up to 1 inch hail in the lower Missouri River Valley. By mid-late afternoon, the storms became largely wind producers, with a swath of wind gusts up to 60-65 mph across far northwest Iowa from Hawarden to Sheldon and Spirit Lake.

Shelf Cloud as storm approached Jackson, MN (photo courtesy Judy Allen)

Shelf Cloud as storm approached Jackson, MN
(photo by Judy Allen)

Photos & Video
Radar
Storm Reports

Photos & Video

Wind Damage


Damaged Shed west of Worthing, SD (photo by Dakota Weather, Inc.)	Tree Damage in Rock Valley, IA (photo by Zachary Boender)	Storm Damage near Rock Valley, IA (Anonymous)

	Tree Damage near Hull, IA (photos by Donna Wallenberg)	Tree Damage near Sheldon, IA (photos by Savannah Sauer)

Wind Damage near Ashton, IA (photos by Keri Hall)		Wind Damage at Lake Okabena in Worthington (photos by Lori Baker)

Picturesque Storm as it moved through the I-90 corridor in southwest Minnesota (around Worthington and Jackson, MN)


Storm passing near Worthington, MN (photos by Jessica Zuniga)		Storm 10 miles east of Worthington (looking South) (photo by Stacey Marie Cristoffers)

Storm near Round Lake, MN (photos by Randi Colby)		Storm near Jackson, MN (photos by Judy Allen)

Radar

Two rounds of severe storms impacted the region this Father's Day.


Radar Loop from 4 am to 10 am	Radar Loop from 1 pm to 7 pm	Severe Thunderstorm Warnings issued on June 21, 2020

Storm Reports

Map of storm reports for June 21, 2020

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE SIOUX FALLS SD
905 PM CDT SUN JUN 21 2020

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

0459 AM     HAIL             3 ESE WATERBURY         42.44N 96.68W
06/21/2020  E1.00 INCH       DAKOTA             NE   PUBLIC           

            SEVERAL 2 INCH DIAMETER BRANCHES ALSO DOWNED 
            BY STRAIGHT LINE WINDS. 

0630 AM     HAIL             BRONSON                 42.41N 96.21W
06/21/2020  E0.88 INCH       WOODBURY           IA   PUBLIC           

            HAIL UP TO NICKEL SIZE WITH SOME DAMAGE TO 
            CORN LEAVES. ALSO REPORTED 1.5 INCHES OF 
            RAIN. REPORT VIA TWITTER. 

0630 AM     HAIL             1 SE BRONSON            42.40N 96.20W
06/21/2020  M1.00 INCH       WOODBURY           IA   TRAINED SPOTTER  



0634 AM     TSTM WND DMG     3 E WESTFIELD           42.75N 96.55W
06/21/2020                   PLYMOUTH           IA   LAW ENFORCEMENT  

            LAW ENFORCEMENT REPORTS 20 FT TALL OAK TREE 
            DOWN. TIME ESTIMATED FROM RADAR. 

0654 AM     TSTM WND GST     7 SSE MOVILLE           42.39N 96.03W
06/21/2020  E50 MPH          WOODBURY           IA   TRAINED SPOTTER  

            A FEW SMALL BRANCHES DOWN WITH LEAVES 
            STRIPPED BY PEA SIZE HAIL. 

0240 PM     HAIL             VERMILLION              42.78N 96.93W
06/21/2020  E1.00 INCH       CLAY               SD   TRAINED SPOTTER  

            HAIL UP TO QUARTER SIZED IN DIAMETER 
            REPORTED IN VERMILLION. 

0305 PM     HAIL             6 NNE VERMILLION        42.86N 96.86W
06/21/2020  E1.00 INCH       CLAY               SD   TRAINED SPOTTER  


0320 PM     TSTM WND GST     2 S ALCESTER            43.00N 96.63W
06/21/2020  M58 MPH          UNION              SD   PUBLIC

0320 PM     TSTM WND DMG     ALCESTER                43.02N 96.63W
06/21/2020                   UNION              SD   PUBLIC           

            SHINGLES DISLODGED AND TOSSED INTO DRIVEWAY. 
            REPORTED VIA SOCIAL MEDIA.

0325 PM     TSTM WND GST     1 SSW HAWARDEN          42.99N 96.49W
06/21/2020  M58 MPH          SIOUX              IA   PUBLIC           


0330 PM     TSTM WND DMG     BERESFORD               43.08N 96.77W
06/21/2020                   UNION              SD   EMERGENCY MNGR   

            TREE BRANCHES DOWN. 

0348 PM     TSTM WND DMG     ROCK VALLEY             43.20N 96.30W
06/21/2020                   SIOUX              IA   TRAINED SPOTTER  

            6 TO 9 INCH DIAMETER TREE BRANCH DOWN, POWER 
            OUTAGES IN ROCK VALLEY. 

0357 PM     TSTM WND GST     ROCK RAPIDS             43.43N 96.16W
06/21/2020  E55 MPH          LYON               IA   TRAINED SPOTTER  

            SMALL BRANCHES DOWN. 

0359 PM     TSTM WND DMG     1 SSW HULL              43.17N 96.14W
06/21/2020                   SIOUX              IA   TRAINED SPOTTER  

            TREES DOWN FROM STRAIGHT LINE WINDS. 

0415 PM     TSTM WND DMG     1 NE ASHTON             43.32N 95.78W
06/21/2020                   OSCEOLA            IA   PUBLIC           

            POWER POLE AND TREES DOWN. 

0416 PM     TSTM WND GST     2 N SHELDON             43.21N 95.84W
06/21/2020  M62 MPH          O'BRIEN            IA   AWOS             



0435 PM     TSTM WND GST     7 ENE MELVIN            43.32N 95.47W
06/21/2020  E60 MPH          OSCEOLA            IA   EMERGENCY MNGR   

            50-60 MPH GUSTS REPORTED. 

0437 PM     TSTM WND GST     7 ENE MELVIN            43.32N 95.47W
06/21/2020  E65 MPH          OSCEOLA            IA   PUBLIC           

            NUMEROUS 4 TO 10 INCHES TREE BRANCHES DOWNED 
            BY STRAIGHT LINE WINDS. 

0438 PM     TSTM WND GST     3 W WORTHING            43.33N 96.83W
06/21/2020  M60 MPH          LINCOLN            SD   PUBLIC           

            . 

0439 PM     TSTM WND DMG     2 W WORTHING            43.33N 96.81W
06/21/2020                   LINCOLN            SD   PUBLIC           

            SHED DAMAGED BY STRAIGHT LINE WINDS. REPORT 
            RECEIVED THROUGH SOCIAL MEDIA. 

0440 PM     TSTM WND DMG     WORTHINGTON             43.62N 95.60W
06/21/2020                   NOBLES             MN   PUBLIC           

            TREE KNOCKED DOWN BY STRAIGHT LINES WINDS. 
            REPORT VIA SOCIAL MEDIA. 

0442 PM     TSTM WND DMG     LAKE PARK               43.45N 95.32W
06/21/2020                   DICKINSON          IA   LAW ENFORCEMENT  

            BRANCHES DOWN IN LAKE PARK, REPORTED BY 
            LOCAL LAW ENFORCEMENT. 

0443 PM     HAIL             1 ENE OKOBOJI           43.40N 95.12W
06/21/2020  E1.00 INCH       DICKINSON          IA   BROADCAST MEDIA  

            UP TO QUARTER SIZED HAIL. 

0502 PM     TSTM WND DMG     SUPERIOR                43.43N 94.94W
06/21/2020                   DICKINSON          IA   TRAINED SPOTTER  

            A FEW 4-5 INCH DIAMETER TREE BRANCHES DOWN. 

0611 PM     HAIL             3 E WAKONDA             43.00N 97.04W
06/21/2020  E0.70 INCH       CLAY               SD   CO-OP OBSERVER

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