923
FXUS62 KTBW 130151
AFDTBW
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
930 PM EDT MON AUG 12 2013
.DISCUSSION...
THIS EVENINGS SOUNDING SHOWS EASTERLY FLOW ALL THE WAY UP. SOUNDINGS
AT JAX AND TLH HAVE A LAYER OF WESTERLY FLOW UP TO AROUND 400 MB.
THE MOISTURE IS STILL ON THE LOW SIDE FOR THIS TIME OF YEAR WITH A
PW OF 1.64 INCHES. THUNDERSTORMS HAVE DEVELOPED ALONG A MOISTURE
GRADIENT SHOWING ON WATER VAPOR IMAGERY THAT EXTENDS FROM COASTAL
PINELLAS COUNTY... NORTH OF THE BAY AREA TO JACKSONVILLE. THE
STEERING WINDS FROM 800-700 MB ARE MORE NORTHEAST HENCE THE
CONVECTION MOVEMENT TO THE SOUTHWEST. THE BOUNDARY HAS BEEN
PERSISTENT AND WILL LIKELY CONTINUE FOR ANOTHER HOUR OR TWO THEN
BEGIN TO DISSIPATE. THE CURRENT FORECAST PACKAGE APPEARS TO BE ON
TRACK.
&&
.AVIATION...
VFR CONDITIONS SHOULD BE IN PLACE THROUGH THE PERIOD. ONLY EXCEPTION
MAY BE SOME PATCHY FOG AT KLAL AND KPGD POSSIBLY CAUSING MVFR
CONDITIONS BETWEEN 10-14Z...AND ISOLATED LATE AFTERNOON
THUNDERSTORMS POSSIBLY CAUSING BRIEF MVFR CONDITIONS SHOULD THEY
DEVELOP NEAR THE TERMINALS. RAIN CHANCES ARE LOW SO HAVE LEFT OUT
ANY VC MENTION FOR NOW.
&&
.MARINE...
HIGH PRESSURE WILL REMAIN THE DOMINANT WEATHER FEATURE THROUGH THE
WORK WEEK...WITH WINDS AND SEAS REMAINING BELOW HEADLINE THRESHOLDS.
&&
.TBW WATCHES/WARNINGS/ADVISORIES...
FL...NONE.
GULF WATERS...NONE.
&&
$$
CP/JC