SPC Severe Thunderstorm Watch 282



WW 282 SEVERE TSTM MN ND 172220Z – 180500Z

WW 0282 Image

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 282
NWS Storm Prediction Center Norman OK
520 PM CDT Wed Jun 17 2020

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Northwest Minnesota
  Eastern North Dakota

* Effective this Wednesday afternoon from 520 PM until Midnight
  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
  A tornado or two possible

SUMMARY...Thunderstorms will develop this evening along and ahead of
a cold front across eastern North Dakota, and spread northeastward
through early tonight.  A few supercells will be possible initially,
with the threat for large hail/damaging winds, and perhaps an
isolated tornado across northeast North Dakota and extreme northwest
Minnesota.  Storms are expected to grow upscale into clusters and
line segments later this evening, with a continuing threat for
damaging winds and occasional large hail.

The severe thunderstorm watch area is approximately along and 60
statute miles east and west of a line from 25 miles northwest of
Hallock MN to 70 miles south of Jamestown ND. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU2).

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
23030.

...Thompson

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