

763 

WWUS20 KWNS 251748

SEL7

SPC WW 251748

GAZ000-260000-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 717

NWS STORM PREDICTION CENTER NORMAN OK

150 PM EDT MON OCT 25 2010



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       CENTRAL GEORGIA



EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 150 PM UNTIL 800

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 35

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 15 MILES SOUTH

SOUTHWEST OF COLUMBUS GEORGIA TO 15 MILES NORTH NORTHEAST OF

VIDALIA GEORGIA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).



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 713...WW 715...WW 716...



DISCUSSION...SEVERE STORMS/SUPERCELLS ARE EXPECTED TO DEVELOP ALONG

A RETREATING WARM FRONT/OUTFLOW BOUNDARY THIS AFTERNOON WITHIN

SUSTAINED LOW-LEVEL WAA REGIME.  ENVIRONMENT IS MODERATELY UNSTABLE

WITH 40-45 KT OF DEEP WLY SHEAR WHICH WILL SUPPORT UPDRAFT ROTATION.

WHILE HAIL AND DAMAGING WINDS WILL BE THE PRIMARY HAZARDS A TORNADO

CANNOT BE RULED OUT.



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 26030.





...MEAD

