Wednesday, November 16, 2011

WATCHES: Tornado Watch Number 891

WWUS20 KWNS 162132
SEL1
SPC WW 162132
GAZ000-NCZ000-SCZ000-170500-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 891
NWS STORM PREDICTION CENTER NORMAN OK
430 PM EST WED NOV 16 2011

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

FAR EASTERN GEORGIA
WESTERN AND CENTRAL NORTH CAROLINA
CENTRAL AND EASTERN SOUTH CAROLINA

EFFECTIVE THIS WEDNESDAY AFTERNOON FROM 430 PM UNTIL MIDNIGHT EST.

TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 65 STATUTE
MILES EAST AND WEST OF A LINE FROM 25 MILES WEST SOUTHWEST OF
SAVANNAH GEORGIA TO 20 MILES EAST NORTHEAST OF GREENSBORO NORTH
CAROLINA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND 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.

OTHER WATCH INFORMATION...CONTINUE...WW 889...WW 890...

DISCUSSION...CLUSTERS OF SUPERCELLS FROM UPSTATE SC INTO ERN GA ARE
EXPECTED TO MOVE/DEVELOP NEWD ACROSS THE WATCH AREA LATE THIS
AFTERNOON INTO TONIGHT...IN ADVANCE OF MIDLEVEL VORTICITY MAXIMUM
EMERGING FROM THE CNTRL/SRN APPALACHIANS. THE LOW-LEVEL MASS
RESPONSE TO THIS MIDLEVEL IMPULSE WILL RESULT IN A 50+ KT SWLY LLJ
BEING FOCUSED ACROSS THE REGION...ENHANCING ALREADY STRONG VERTICAL
SHEAR. GIVEN THE MOIST...UNSTABLE AND LCL WARM SECTOR AIR
MASS...THE POTENTIAL WILL EXIST FOR TORNADOES AND WIND DAMAGE WITH
ANY SUSTAINED SUPERCELL AND/OR BOWING STRUCTURES.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400.
MEAN STORM MOTION VECTOR 24040.


...MEAD

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