Open
397 
WUUS53 KFSD 202021
SVRFSD
SDC035-061-097-111-202100-
/O.NEW.KFSD.SV.W.0184.250720T2021Z-250720T2100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Sioux Falls SD
321 PM CDT Sun Jul 20 2025

The National Weather Service in Sioux Falls has issued a

* Severe Thunderstorm Warning for...
  Northeastern Davison County in southeastern South Dakota...
  Southern Sanborn County in east central South Dakota...
  Southwestern Miner County in east central South Dakota...
  Northern Hanson County in southeastern South Dakota...

* Until 400 PM CDT.

* At 320 PM CDT, a severe thunderstorm was located over Forestburg,
  or 19 miles north of Mitchell, moving southeast at 30 mph.

  HAZARD...70 mph wind gusts and quarter size hail.

  SOURCE...Trained weather spotters. At At 305 PM CDT, quarter sized 
           hail and 60 to 70 mph wind gusts were reported in 
           Woonsocket.

  IMPACT...Hail damage to vehicles is expected. Expect considerable 
           tree damage. Wind damage is also likely to mobile homes, 
           roofs, and outbuildings.

* This severe thunderstorm will be near...
  Letcher and Artesian around 325 PM CDT.
  Fedora around 340 PM CDT.

Other locations in the path of this severe thunderstorm include
Roswell.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

For your protection move to an interior room on the lowest floor of a
building.

To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Sioux Falls.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.


LAT...LON 4385 9829 4412 9818 4404 9764 4372 9770 TIME...MOT...LOC 2020Z 293DEG 27KT 4400 9812 TORNADO...POSSIBLE THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...OBSERVED MAX HAIL SIZE...1.00 IN WIND THREAT...OBSERVED MAX WIND GUST...70 MPH
SG