

000 

WWUS20 KWNS 201827

SEL5

SPC WW 201827

NCZ000-SCZ000-CWZ000-210100-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 585

NWS STORM PREDICTION CENTER NORMAN OK

225 PM EDT FRI JUN 20 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       SOUTHERN AND EASTERN NORTH CAROLINA

       EASTERN SOUTH CAROLINA

       COASTAL WATERS



EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 225 PM UNTIL 900

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 EITHER SIDE OF A LINE FROM 15 MILES SOUTHEAST OF

CAPE HATTERAS NORTH CAROLINA TO 20 MILES SOUTHWEST OF COLUMBIA

SOUTH CAROLINA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).



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 584...



DISCUSSION...STRONG/SEVERE STORMS HAVE BECOME MORE ORGANIZED OVER

THE LAST HOUR OVER ERN SC AND SERN NC...WITH NEW STORMS DEVELOPING

NORTHWEST AND WEST OF THIS CONVECTION.  MODERATELY STEEP LAPSE

RATES/DRY AIR ALOFT AND STRONGER WESTERLY FLOW ABOVE 6-7 KM ARE

CREATING A FAVORABLE ENVIRONMENT FOR CONTINUING SEVERE STORMS

PRODUCING DAMAGING WIND GUSTS AND HAIL.



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 550. MEAN STORM

MOTION VECTOR 26020.





...WEISS

