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URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 448

NWS STORM PREDICTION CENTER NORMAN OK

355 PM CDT THU JUL 23 2015



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  FAR WESTERN MINNESOTA

  NORTH DAKOTA



* EFFECTIVE THIS THURSDAY AFTERNOON AND FRIDAY MORNING FROM 355

  PM UNTIL 100 AM CDT.



* PRIMARY THREATS INCLUDE...

  WIDESPREAD DAMAGING WINDS LIKELY WITH ISOLATED SIGNIFICANT GUSTS

    TO 75 MPH POSSIBLE

  SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2.5

    INCHES IN DIAMETER POSSIBLE

  A TORNADO OR TWO POSSIBLE



SUMMARY...THUNDERSTORMS EXPECTED TO DEVELOP ALONG EASTWARD-MOVING

WESTERN/N-CENTRAL ND COLD FRONT...AND ALONG PRE-FRONTAL

TROUGH...THROUGH LATE TONIGHT. THE STORMS...INCLUDING POSSIBLE

SUPERCELLS WITH LARGE HAIL...DAMAGING WIND...AND PERHAPS A TORNADO

OR TWO...SHOULD MERGE INTO ONE OR TWO EAST-MOVING CLUSTERS LATER

TONIGHT...WITH A CONTINUED THREAT FOR DAMAGING WIND.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 125

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

BISMARCK NORTH DAKOTA TO 60 MILES NORTH OF DEVILS LAKE NORTH

DAKOTA.  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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 446...WW 447...



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

TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65

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

MOTION VECTOR 26025.





...CORFIDI

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