SPC Severe Thunderstorm Watch 341



WW 341 SEVERE TSTM ND SD 080025Z – 080700Z

WW 0341 Image

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 341
NWS Storm Prediction Center Norman OK
725 PM CDT Fri Jun 7 2019

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Southern to northeast North Dakota
  North-central South Dakota

* Effective this Friday night and Saturday morning from 725 PM
  until 200 AM 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...Two separate areas of severe storm potential are evident.
Multiple discrete storms in northwest South Dakota should persist
northeast and may grow upscale into a cluster near the south-central
North Dakota and north-central South Dakota border in the late
evening. Additional, isolated severe storms are expected along a
front into northeast North Dakota.

The severe thunderstorm watch area is approximately along and 70
statute miles east and west of a line from 20 miles north of Devils
Lake ND to 45 miles southwest of Mobridge SD. 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.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 340...

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
24040.

...Grams

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