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WWUS20 KWNS 241835

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SPC WW 241835

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URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 512

NWS STORM PREDICTION CENTER NORMAN OK

235 PM EDT TUE JUL 24 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       CENTRAL AND WESTERN NORTH CAROLINA

       NORTHERN SOUTH CAROLINA



EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 235 PM UNTIL

1000 PM EDT.



HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 65

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 30 MILES NORTH

NORTHEAST OF ROCKY MOUNT NORTH CAROLINA TO 25 MILES NORTH

NORTHWEST OF SPARTANBURG SOUTH CAROLINA.  FOR A COMPLETE

DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE

(WOUS64 KWNS WOU2).



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 509...WW 510...WW 511...



DISCUSSION...THUNDERSTORMS ARE RAPIDLY INTENSIFYING ACROSS CENTRAL

NC INTO REGION OF VERY MOIST AND UNSTABLE CONDITIONS.  THESE STORMS

WILL LIKELY PRODUCE LOCALLY DAMAGING WINDS AND HAIL THROUGH THE

EVENING AS THEY SPREAD SOUTHEASTWARD.  OTHER MORE ISOLATED STORMS

MAY FORM OVER THE MOUNTAINS OF WESTERN NC AND POSE A LOCAL SEVERE

THREAT.



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 500. MEAN STORM

MOTION VECTOR 30025.





...HART

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