SPC Severe Thunderstorm Watch 433

WW 433 SEVERE TSTM MN ND 132310Z - 140700Z

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 433
NWS Storm Prediction Center Norman OK
610 PM CDT Thu Aug 13 2020

The NWS Storm Prediction Center has issued a

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

* Effective this Thursday night and Friday morning from 610 PM
  until 200 AM CDT.

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

SUMMARY...Storms will continue to develop and intensify near the
North Dakota/Minnesota border vicinity and spread generally eastward
this evening across northern Minnesota. Severe hail and damaging
winds will be the primary hazards, but a tornado is possible,
particularly near the warm front across northern Minnesota.

The severe thunderstorm watch area is approximately along and 85
statute miles east and west of a line from 65 miles south of Fargo
ND to 50 miles west northwest of International Falls MN. 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 60 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
25020.

...Guyer

Read more

from SPC Forecast Products http://www.spc.noaa.gov/products/watch/ww0433.html