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350 

WWUS20 KWNS 082325

SEL2

SPC WW 082325

NDZ000-090500-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 402

NWS STORM PREDICTION CENTER NORMAN OK

520 PM MDT MON JUL 8 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  WESTERN NORTH DAKOTA



* EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 520 PM UNTIL

  1100 PM MDT.



* PRIMARY THREATS INCLUDE...

  SEVERAL DAMAGING WIND GUSTS WITH A FEW SIGNIFICANT GUSTS TO 75

    MPH POSSIBLE

  SEVERAL LARGE HAIL EVENTS WITH A FEW VERY LARGE HAIL EVENTS TO 3

    INCHES IN DIAMETER POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 65

STATUTE MILES EAST AND WEST OF A LINE FROM 75 MILES NORTHWEST OF

MINOT NORTH DAKOTA TO 60 MILES SOUTH SOUTHEAST OF DICKINSON NORTH

DAKOTA.  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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 398...WW 399...WW

400...WW 401...



DISCUSSION...WIDESPREAD THUNDERSTORMS CONTINUE MOVING EASTWARD

ACROSS MONTANA EARLY THIS EVENING...INCLUDING A CLUSTER OF

STRONG/SEVERE CELLS MOVING SOUTHEASTWARD TOWARD SOUTHWEST NORTH

DAKOTA AND THEN A SECOND/EASTWARD-MOVING BAND OF STORMS TRAILING THE

INITIAL STORM CLUSTER.  ISOLATED DAMAGING WINDS AND LARGE HAIL WILL

LIKELY ACCOMPANY THE INITIAL CLUSTER OF STORMS...WHICH WILL LIKELY

THEN BE FOLLOWED BY A MORE WIDESPREAD RISK FOR DAMAGING WINDS AND

LARGE HAIL AS THE AFOREMENTIONED BAND LIKELY EVOLVES INTO A

WELL-ORGANIZED MCS AND MOVES ACROSS WESTERN NORTH DAKOTA THROUGH THE

EVENING.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM

MOTION VECTOR 28035.





...GOSS

