SPC Severe Thunderstorm Watch 583



WW 583 SEVERE TSTM MN SD 152010Z – 160200Z

WW 0583 Image

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 583
NWS Storm Prediction Center Norman OK
310 PM CDT Thu Aug 15 2019

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Far west-central Minnesota
  Central and eastern South Dakota

* Effective this Thursday afternoon and evening from 310 PM until
  900 PM CDT.

* Primary threats include...
  Scattered damaging winds and isolated significant gusts to 75
    mph possible
  Scattered large hail and isolated very large hail events to 2
    inches in diameter possible

SUMMARY...A mix of discrete cells and clusters should intensify into
early evening in central South Dakota, potentially evolving into a
broader linear cluster that shifts east across eastern South Dakota
into perhaps far western Minnesota.

The severe thunderstorm watch area is approximately along and 75
statute miles north and south of a line from 10 miles northwest of
Pierre SD to 30 miles east of Watertown SD. For a complete depiction
of the watch see the associated watch outline update (WOUS64 KWNS
WOU3).

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.

&&

AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
27030.

...Grams

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