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URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 674

NWS STORM PREDICTION CENTER NORMAN OK

440 PM EDT WED JUL 9 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       WESTERN AND CENTRAL NORTH CAROLINA

       A SMALL PART OF NORTHERN SOUTH CAROLINA

       CENTRAL INTO SOUTHEASTERN VIRGINIA



EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 440 PM UNTIL

1000 PM EDT.



HAIL TO 1.5 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 75

STATUTE MILES EAST AND WEST OF A LINE FROM 55 MILES SOUTHEAST OF

CHARLOTTE NORTH CAROLINA TO 25 MILES NORTHWEST OF RICHMOND

VIRGINIA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).



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.



DISCUSSION...BROKEN LINE OF STORMS...WITH EMBEDDED BOWING

STRUCTURES...WILL CONTINUE EWD ACROSS WW THROUGH THE EVENING.  AIR

MASS IS MODERATELY UNSTABLE AND SURFACE HAS WARMED THROUGH THE UPPER

80S SUPPORTING STEEP LOW LEVEL LAPSE RATES.  THIS WILL ENHANCE

DOWNWARD TRANSFER OF MODEST WLY FLOW THROUGH 2-3 KM AND INCREASE THE

RISK OF WIND DAMAGE.



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 500. MEAN STORM

MOTION VECTOR 27025.





...EVANS

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