Issued by NWS Tampa Bay Area, FL
000 FXUS62 KTBW 210006 AFDTBW AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL 705 PM EST FRI NOV 20 2009 .FOR THE EVENING UPDATE...SKIES ARE CLEARING ACROSS THE REGION SETTING THE STAGE FOR ANOTHER NIGHT OF LOCALLY DENSE FOG...ESPECIALLY NORTH OF TAMPA. WEAK FRONTAL BOUNDARY ACROSS SOUTH FLORIDA WILL GRADUALLY LIFT NORTH OVERNIGHT WITH INCREASING LOW LEVEL MOISTURE ACROSS WEST CENTRAL FLORIDA. IDEAL LIGHT NORTHEAST BOUNDARY LAYER FLOW WILL POOL AND CONDENSE MOISTURE AHEAD OF THE FRONT WITH WIDESPREAD FOG DEVELOPING AFTER MIDNIGHT...WHICH WILL BE LOCALLY DENSE LATE TONIGHT AND EARLY SATURDAY MORNING. A DENSE FOG ADVISORY MAY BE NEEDED LATER TONIGHT. MOTORISTS ARE URGED TO DRIVE WITH CAUTION AND USE LOW BEAM HEADLIGHTS WHEN DRIVING IN FOG. && .AVIATION...DISCUSSION FOR 00Z TAFS. CONCERN FOR TONIGHT WILL CONTINUE TO BE LIFR CONDITIONS FROM FOG AND LOW CIGS AND A COMBINATION OF BOTH. HAVE USED THE CONDITIONS FROM LAST NIGHT AS A GUIDE HOWEVER THE SKIES ARE CLEARER TONIGHT AND SO MORE FOG IS EXPECTED TONIGHT. OBSERVATIONS ALREADY INDICATE SOME LIGHT FOG DEVELOPING SO WILL HIT IT HARD IN THE FORECAST AND CONDITIONS WILL BE WORST 11-14Z. VFR WILL RETURN AFTER THEN. && .TBW WATCHES/WARNINGS/ADVISORIES... FL...NONE. GULF WATERS...NONE. && $$ SHORT TERM/MARINE/FIRE WEATHER...EO LONG TERM/AVIATION...LJ
