

314 

WWUS20 KWNS 241754

SEL6

SPC WW 241754

SCZ000-CWZ000-250100-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 106

NWS STORM PREDICTION CENTER NORMAN OK

155 PM EDT SAT MAR 24 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       SOUTH CAROLINA

       COASTAL WATERS



EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 155 PM UNTIL

900 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 70

STATUTE MILES EAST AND WEST OF A LINE FROM 50 MILES EAST

NORTHEAST OF SPARTANBURG SOUTH CAROLINA TO 35 MILES SOUTH

SOUTHWEST OF CHARLESTON SOUTH CAROLINA.  FOR A COMPLETE DEPICTION

OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS

WOU6).



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 104...WW 105...



DISCUSSION...TSTM DEVELOPMENT NOW UNDERWAY ACROSS WRN SC AS WELL AS

ALONG THE COAST AND SOUTH AS LIFT ACROSS SC INCREASES AHEAD OF LARGE

UPPER LOW MOVG ESEWD ACROSS OH/KY/TN. FRONT ASSOCIATED WITH THE

LARGER CYCLONE WILL MOVE INTO AN UNSTABLE AIRMASS ACROSS SC THROUGH

THIS AFTERNOON WITH MORE ROBUST AND ORGANIZED TSTMS LIKELY TO ENSUE.

DEEP-LAYER VERTICAL SHEAR ACROSS THE REGION IS ALREADY SUFFICIENTLY

STRONG TO SUPPORT SUPERCELLS AND FAST-MOVING LINE SEGMENTS CAPABLE

OF BOTH LARGE HAIL AND DAMAGING WINDS.



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 26030.





...CARBIN

