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URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 650
NWS Storm Prediction Center Norman OK
210 PM MDT Mon Aug 26 2024

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Far Southeast Montana
  Northern Nebraska
  Western and Southern South Dakota
  Northeast Wyoming

* Effective this Monday afternoon and evening from 210 PM until
  1000 PM MDT.

* Primary threats include...
  Scattered damaging winds and isolated significant gusts to 80
    mph likely
  Scattered large hail and isolated very large hail events to 2.5
    inches in diameter likely
  A tornado or two possible

SUMMARY...Strong to severe thunderstorms including supercells will
continue to develop this afternoon across northeast Wyoming/far
southeast Montana into western South Dakota, with additional and
more isolated development possible along the South Dakota/Nebraska
border vicinity. Clusters of eastward-moving storms should evolve by
evening, potentially as a severe-wind producing linear convective
system that should move across southern South Dakota and northern
Nebraska.

The severe thunderstorm watch area is approximately along and 80
statute miles north and south of a line from 90 miles west of Rapid
City SD to 50 miles north northeast of Oneill NE. For a co*plete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU0).

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...c*NTINUE...WW 648...WW 649...

AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 70 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
25030.

...Guyer