WWUS20 KWNS 091714
SEL3
SPC WW 091714
MNZ000-NDZ000-100000-

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 423
NWS Storm Prediction Center Norman OK
1215 PM CDT Sun Aug 9 2020

The NWS Storm Prediction Center has issued a

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

* Effective this Sunday afternoon and evening from 1215 PM until
  700 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
  A tornado or two possible

SUMMARY...Strong to severe thunderstorms have initially formed
across northeast North Dakota, with additional storms expected to
develop through the afternoon farther south into southeast North
Dakota. This activity will spread east with embedded supercells and
line segments into northwest Minnesota through early evening.

The severe thunderstorm watch area is approximately along and 85
statute miles east and west of a line from 45 miles north of Thief
River Falls MN to 70 miles south southwest of Fargo ND. 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
28035.

...Grams