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172 

WWUS20 KWNS 082103

SEL8

SPC WW 082103

IDZ000-MTZ000-ORZ000-WAZ000-090400-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 238

NWS STORM PREDICTION CENTER NORMAN OK

205 PM PDT WED JUN 8 2016



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  NORTHERN IDAHO

  NORTHWEST MONTANA

  NORTHEAST OREGON

  SOUTHEAST WASHINGTON



* EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 205 PM

  UNTIL 900 PM PDT.



* PRIMARY THREATS INCLUDE...

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE



SUMMARY...STRONG TO SEVERE STORMS INCLUDING A FEW SUPERCELLS

DEVELOPING OVER THE HIGHER TERRAIN AND ALONG A COLD FRONT WILL POSE

A RISK FOR MAINLY LARGE HAIL AND DAMAGING WIND AS THEY MOVE THROUGH

NORTHEAST OREGON...SOUTHEAST WASHINGTON...NORTHERN IDAHO AND

NORTHWEST MONTANA INTO THE EVENING.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 90

STATUTE MILES EAST AND WEST OF A LINE FROM 45 MILES WEST

NORTHWEST OF CUT BANK MONTANA TO 50 MILES WEST OF BAKER OREGON.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU8).



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 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM

MOTION VECTOR 22035.





...DIAL

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