SPC Severe Thunderstorm Watch 469

WW 469 SEVERE TSTM SD 272245Z – 280500Z

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 469
NWS Storm Prediction Center Norman OK
545 PM CDT Fri Jun 27 2025

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  South-Central and Southeast South Dakota

* Effective this Friday afternoon from 545 PM until Midnight CDT.

* Primary threats include...
  Scattered damaging winds and isolated significant gusts to 80
    mph possible
  Scattered large hail and isolated very large hail events to 3
    inches in diameter possible
  A tornado or two possible

SUMMARY...Supercell development may occur initially across
south-central South Dakota, with these storms potentially capable of
very large hail and locally damaging winds as the most probable
hazards within a moist and very unstable environment.

The severe thunderstorm watch area is approximately along and 55
statute miles north and south of a line from 50 miles southwest of
Pierre SD to 40 miles south southeast of Huron SD. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU9).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch area.
Persons in these areas should be on the lookout for threatening
weather conditions and listen for later statements and possible
warnings. Severe thunderstorms can and occasionally do produce
tornadoes.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 467...WW 468...

AVIATION...A few severe thunderstorms with hail surface and aloft to
3 inches. Extreme turbulence and surface wind gusts to 70 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
28025.

...Guyer

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