Large Hail, Strong Winds Impact Part of the Region on Thursday Aug 5th, 2021

Overview

Thunderstorms developed across southwestern MN during the afternoon, continuing through the night across southeastern SD, and northwestern IA. These storms became severe, producing large hail (up to 3.5 inches) and damaging wind gusts.

Additional information will likely be added later.

Wind & Hail
Photos & Video
Radar
Storm Reports
Rainfall

Wind & Hail:

Numerous reports of large, damaging hail and wind damage were received during and following the event.

Wind

Strong winds created a fair amount of damage to trees and structures across the area.

Damage to a Home Near Davis, SD

(Public)

Tree Downed Near Davis, SD

(Kelli DeVries)

Caption

Hail

The largest hail stone was 3.5 inches. Numerous other reports of hail were near ping pong ball size or larger.

3.5 inch hail - N of Sioux Falls

(Samantha Locke)

Large Hail Near Renner, SD

(Brittany Thompson)

Photos & Video

Here are some of the additional photos received during the event.


Shelf Cloud Entering Sioux Falls (NWS Employee)	Blowing Dust Along the Leading Edge - NW Sioux Falls (NWS Employee)

Radar

Here's a look at how the radar evolved through the event.


Radar Loop: 8/5 4 PM to 10 PM CDT	Radar Loop: 8/5 10 PM to 8/6 4 AM

Storm Reports and Warnings

Here's a look at the warnings we issues as well as the storm reports we received in the map and list below.

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE SIOUX FALLS SD
611 PM CDT FRI AUG 6 2021

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

1045 PM     TSTM WND GST     5 NW BERESFORD          43.13N 96.84W
08/05/2021  E70 MPH          LINCOLN            SD   TRAINED SPOTTER  

            TREE REPORTED KNOCKED DOWN. 

0850 PM     HAIL             5 N SIOUX FALLS         43.62N 96.71W
08/05/2021  M3.50 INCH       MINNEHAHA          SD   PUBLIC           

            VIA PICTURE ON SOCIAL MEDIA. 

0904 PM     HAIL             5 ESE CROOKS            43.64N 96.71W
08/05/2021  E2.50 INCH       MINNEHAHA          SD   PUBLIC           

            REPORT VIA SOCIAL MEDIA. 

0910 PM     HAIL             4 WNW ROWENA            43.54N 96.62W
08/05/2021  E2.00 INCH       MINNEHAHA          SD   NWS EMPLOYEE     



0800 PM     HAIL             2 E WENTWORTH           43.99N 96.93W
08/05/2021  E1.75 INCH       LAKE               SD   PUBLIC           



0743 PM     HAIL             8 N COLMAN              44.09N 96.83W
08/05/2021  E1.50 INCH       MOODY              SD   TRAINED SPOTTER  



0753 PM     HAIL             COLMAN                  43.98N 96.82W
08/05/2021  E1.50 INCH       MOODY              SD   PUBLIC           

            REPORT VIA SOCIAL MEDIA. 

0900 PM     HAIL             BRANDON                 43.59N 96.58W
08/05/2021  E1.50 INCH       MINNEHAHA          SD   PUBLIC           

            VIA SOCIAL MEDIA PICTURE. 

0800 PM     HAIL             3 ESE WENTWORTH         43.98N 96.92W
08/05/2021  E1.50 INCH       LAKE               SD   PUBLIC           

            REPORT VIA SOCIAL MEDIA WITH PHOTOS. 

0725 PM     HAIL             ELKTON                  44.23N 96.48W
08/05/2021  E1.50 INCH       BROOKINGS          SD   PUBLIC           

            REPORT VIA SOCIAL MEDIA WITH PHOTO. 

0729 PM     HAIL             4 SE MADISON            43.97N 97.05W
08/05/2021  E1.25 INCH       LAKE               SD   PUBLIC           

            REPORT VIA SOCIAL MEDIA WITH A PHOTO. 

0715 PM     HAIL             9 N COLMAN              44.11N 96.83W
08/05/2021  E1.00 INCH       MOODY              SD   TRAINED SPOTTER  



0824 PM     HAIL             DELL RAPIDS             43.82N 96.72W
08/05/2021  M1.00 INCH       MINNEHAHA          SD   PUBLIC           

            VIA SOCIAL MEDIA. 

0835 PM     HAIL             BALTIC                  43.76N 96.73W
08/05/2021  E1.00 INCH       MINNEHAHA          SD   PUBLIC           

            REPORT VIA SOCIAL MEDIA. 

0908 PM     HAIL             4 WNW ROWENA            43.54N 96.62W
08/05/2021  E1.00 INCH       MINNEHAHA          SD   NWS EMPLOYEE     



1149 PM     HAIL             CROOKS                  43.66N 96.81W
08/05/2021  M1.00 INCH       MINNEHAHA          SD   PUBLIC           

            VIDEO VIA SOCIAL MEDIA. 

0106 AM     HAIL             1 SW CANTON             43.30N 96.60W
08/06/2021  M1.00 INCH       LINCOLN            SD   PUBLIC           

            REPORT VIA SOCIAL MEDIA. TIME ESTIMATED VIA 
            RADAR. 

0726 PM     HAIL             ELKTON                  44.24N 96.48W
08/05/2021  E1.00 INCH       BROOKINGS          SD   PUBLIC           



0735 PM     HAIL             ELKTON                  44.23N 96.48W
08/05/2021  E1.00 INCH       BROOKINGS          SD   TRAINED SPOTTER  



0755 PM     HAIL             EDGERTON                43.88N 96.13W
08/05/2021  M1.00 INCH       PIPESTONE          MN   PUBLIC           

            VIA SOCIAL MEDIA. TIME ESTIMATED VIA RADAR. 

0530 PM     HAIL             3 SW ARCO               44.36N 96.22W
08/05/2021  E1.00 INCH       LINCOLN            MN   PUBLIC           

            REPORT FROM MPING: QUARTER (1.00 IN.). 

1138 PM     HAIL             4 ESE SIOUX FALLS       43.53N 96.66W
08/05/2021  E0.88 INCH       MINNEHAHA          SD   NWS EMPLOYEE     

            REPORT VIA SOCIAL MEDIA. 

0950 PM     HAIL             5 E CANISTOTA           43.60N 97.18W
08/05/2021  E0.88 INCH       MCCOOK             SD   PUBLIC           

            REPORT VIA SOCIAL MEDIA WITH PHOTOS. 

1020 PM     TSTM WND DMG     3 E DAVIS               43.27N 96.94W
08/05/2021                   TURNER             SD   PUBLIC           

            ROOF DAMAGE TO HOME WITH PORTION OF ROOF 
            MISSING SHINGLES. PICTURE VIA SOCIAL MEDIA 
            AND TIME ESTIMATED VIA RADAR. 

1020 PM     TSTM WND DMG     3 ENE DAVIS             43.27N 96.94W
08/05/2021                   TURNER             SD   PUBLIC           

            STRUCTURAL DAMAGE TO GARAGE WITH BACK WALL 
            BLOWN OUT. PICTURES VIA SOCIAL MEDIA. TIME 
            ESTIMATED VIA RADAR. 

0850 PM     TSTM WND DMG     2 WNW ROWENA            43.53N 96.60W
08/05/2021                   MINNEHAHA          SD   PUBLIC           

            REPORT VIA SOCIAL MEDIA OF DAMAGE TO A 
            BUILDING. 

0858 PM     TSTM WND DMG     3 W ROWENA              43.52N 96.61W
08/05/2021                   MINNEHAHA          SD   PUBLIC           

            DELAYED REPORT. PORTION OF DECK OVERHANG AND 
            ROOF BLOWN OFF. TIME ESTIMATED VIA RADAR. 

0859 PM     TSTM WND DMG     4 ESE SIOUX FALLS       43.53N 96.65W
08/05/2021                   MINNEHAHA          SD   PUBLIC           

            SEVERAL 8 YEAR OLD PINE TREES UPROOTED. TIME 
            ESTIMATED BY RADAR. VIA SOCIAL MEDIA 
            PICTURE. 

0913 PM     TSTM WND DMG     2 WNW ROWENA            43.53N 96.60W
08/05/2021                   MINNEHAHA          SD   NWS EMPLOYEE     

            SEVERAL LARGE TREE BRANCHES DOWN AT THE MARY 
            JO WEGNER ARBORETUM, SOME AS LARGE AS A FOOT 
            IN DIAMETER. TIME ESTIMATED VIA RADAR AND 
            NEARBY GROUND OBSERVATIONS. 

0712 PM     TSTM WND DMG     2 S HOLLAND             44.07N 96.19W
08/05/2021                   PIPESTONE          MN   PUBLIC           

            FARMER REPORTED FLATTENED CORN IN A FIELD 
            ABOUT 1.5 MILES SOUTH OF HOLLAND. TIME 
            ESTIMATED FROM RADAR. 

0800 PM     TSTM WND DMG     6 NNE KENNETH           43.83N 96.01W
08/05/2021                   NOBLES             MN   PUBLIC           

            STRONG WINDS IN AND AROUND LEOTA, MN. 
            RESULTED IN A FEW LARGE TREES TOPPLED AND 
            MULTIPLE LARGE LIMBS WERE BROKEN. 

0837 PM     TSTM WND DMG     2 S LISMORE             43.72N 95.95W
08/05/2021                   NOBLES             MN   TRAINED SPOTTER  

            STRONG THUNDERSTORM WINDS APPROXIMATELY 2 
            MILES SOUTH OF LISMORE MN RESULTED IN 
            MULTIPLE FIELDS OF FLATTENED CORN. IN 
            ADDITION, WIND DAMAGE WAS NOTED TO 
            SURROUNDING BEAN FIELDS. REPORT ALSO 
            INCLUDED HEAVY RAIN IN THE AREA WITH PEA TO 
            DIME SIZED HAIL. 

0442 PM     TSTM WND DMG     IVANHOE                 44.46N 96.24W
08/05/2021                   LINCOLN            MN   TRAINED SPOTTER  

            8 INCH DIAMETER BRANCH DOWN. 

0530 PM     HAIL             3 SW ARCO               44.36N 96.22W
08/05/2021   NAN INCH        LINCOLN            MN   PUBLIC           

            MPING REPORT OF 1 INCH HAIL. 

1222 AM     TSTM WND DMG     3 SE SIOUX CITY         42.47N 96.36W
08/06/2021                   WOODBURY           IA   PUBLIC           

            CORRECTS PREVIOUS TSTM WND DMG REPORT FROM 3 
            SE SIOUX CITY. PICTURE VIA SOCIAL MEDIA OF A 
            FEW 4-6 INCH TREE BRANCHES DOWN IN THE 
            MORNINGSIDE NEIGHBORHOOD. TIME ESTIMATED VIA 
            RADAR.

Rain Reports

Here are the 24 hour rainfall totals through early Friday morning.

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