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075 

WWUS20 KWNS 112058

SEL6

SPC WW 112058

MTZ000-WYZ000-120400-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 246

NWS STORM PREDICTION CENTER NORMAN OK

300 PM MDT SAT JUN 11 2016



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  EASTERN MONTANA

  EXTREME NORTH CENTRAL WYOMING



* EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 300 PM UNTIL

  1000 PM MDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH LIKELY

  SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2.5

    INCHES IN DIAMETER POSSIBLE

  A TORNADO OR TWO POSSIBLE



SUMMARY...SEVERE STORMS ARE EXPECTED TO CONTINUE DEVELOPING

NORTHWARD INTO EASTERN MONTANA THIS AFTERNOON AND EVENING WITH

POTENTIAL TO PRODUCE VERY LARGE HAIL AND DAMAGING WIND GUSTS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 90

STATUTE MILES EAST AND WEST OF A LINE FROM 60 MILES WEST

SOUTHWEST OF BROADUS MONTANA TO 60 MILES NORTH NORTHEAST OF

GLASGOW MONTANA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).



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 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 21030.





...WEISS

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