SPC Severe Thunderstorm Watch 331



WW 331 SEVERE TSTM MN ND SD 052140Z – 060400Z

WW 0331 Image

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 331
NWS Storm Prediction Center Norman OK
440 PM CDT Sun Jul 5 2020

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Extreme west central Minnesota
  South central and southeast North Dakota
  Central and northeast South Dakota

* Effective this Sunday afternoon and evening from 440 PM until
  1100 PM CDT.

* Primary threats include...
  Scattered large hail and isolated very large hail events to 2
    inches in diameter possible
  Scattered damaging wind gusts to 70 mph possible

SUMMARY...Scattered areas of thunderstorm development will persist
along multiple boundaries across the watch area.  The storm
environment will favor a mix of supercells and multicell clusters
capable of producing large hail and damaging winds through this
evening.

The severe thunderstorm watch area is approximately along and 85
statute miles north and south of a line from 45 miles southwest of
Mobridge SD to 50 miles south southeast of Fargo ND. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU1).

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 60 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
28020.

...Thompson

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