372  
FXUS62 KTBW 151139  
AFDTBW  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL  
639 AM EST SUN DEC 15 2024  
   
..NEW AVIATION
 
 
   
DISCUSSION
 
 
ISSUED AT 420 AM EST SUN DEC 15 2024  
 
RIDGING REMAINS IN PLACE ALOFT OVER THE STATE THIS MORNING, WHILE  
AT THE SURFACE A SPRAWLING AREA OF HIGH PRESSURE CENTERED OVER  
NEW ENGLAND RIDGES DOWN THE E SEABOARD INTO THE STATE. THIS SETUP  
FAVORS CONTINUED BREEZY E-NE LOW-LEVEL AND SURFACE FLOW OVER THE  
AREA TODAY WITH THE POTENTIAL FOR A FEW OCCASIONAL SPRINKLES AS  
ATLANTIC MOISTURE IS ADVECTED WEST ACROSS THE PENINSULA,  
PARTICULARLY ACROSS THE INTERIOR. A SERIES OF SHORTWAVES MOVING  
EAST ACROSS THE NORTHERN HALF OF THE U.S. OVER THE NEXT FEW DAYS  
WILL SUPPORT A FEW SURFACE LOW PRESSURE SYSTEMS PUSHING ACROSS THE  
E U.S. DURING THAT TIME, SHUNTING THE SURFACE HIGH INTO THE W  
ATLANTIC, ALTHOUGH SURFACE RIDGING WILL STILL EXTEND DOWN INTO THE  
AREA INTO MID WEEK DESPITE THE HIGH BEING DISPLACED. BY WED-THU A  
DEEPER SHORTWAVE DIGS ACROSS THE E-SE U.S., WITH ITS ASSOCIATED  
SURFACE LOW PRESSURE SYSTEM DRIVING A COLD FRONT ACROSS THE AREA  
WITH SHOWERS AND A FEW THUNDERSTORMS LIKELY. CURRENT GUIDANCE  
INDICATES RAINFALL TOTALS GENERALLY AN INCH OR LESS BEFORE DRIER  
AIR AND COOLER TEMPS FILTER INTO THE AREA BEHIND THE FRONT. AFTER  
HIGHS IN THE LOWER 80S THROUGH THE FIRST HALF OF THE WEEK, HIGHS  
DROP INTO THE MID TO UPPER 70S ON THU-FRI, WITH LOWS DROPPING FROM  
THE 60S OVER THE FIRST HALF OF THE WEEK INTO THE 50S TO CLOSE OUT  
THE WORK WEEK. AN EVEN MORE POTENT SHORTWAVE IS PROGGED TO DIVE  
SE ACROSS THE E U.S. ON FRI-SAT DRIVING A STRONG COLD FRONT ACROSS  
THE AREA INTO THE WEEKEND. WHILE LIMITED MOISTURE WILL LIKELY  
LEAD TO A MOSTLY DRY FRONTAL PASSAGE, STRONG HIGH PRESSURE  
BUILDING SOUTH OUT OF CANADA BEHIND THE FRONT WILL TRANSPORT A  
FRESH SUPPLY OF COOL DRY AIR INTO THE STATE, DROPPING HIGHS INTO  
THE 60S AND LOWER 70S AND LOWS INTO THE 30S AND 40S NEXT WEEKEND.  
 

 
   
AVIATION
 
 
(12Z TAFS)  
ISSUED AT 638 AM EST SUN DEC 15 2024  
 
THERE IS A LOW PROBABILITY FOR SOME MVFR CIGS OVER THE NEXT COUPLE  
HOURS, BUT THE POTENTIAL IS DIMINISHING. ANY IMPACTS THIS MORNING  
SHOULD BE BRIEF, WITH CIGS REMAINING VFR THEREAFTER. HOWEVER, ENOUGH  
MOISTURE AND INSTABILITY REMAINS THROUGH THE DAY TO SUPPORT SOME  
SPRINKLES. WITH THESE SPRINKLES, SHORT-LIVED POCKETS OF MVFR COULD  
ALSO BRIEFLY IMPACT TERMINALS. THE PROBABILITIES ARE LESS THAN 10%,  
SO NO MENTION AT THIS TIME. THE PATTERN WILL REMAIN SIMILAR THROUGH  
THE MIDDLE OF THE WEEK WITH A BREEZE ENE FLOW AND THE POTENTIAL FOR  
SOME LIGHT SPRINKLES OR SHOWERS DURING EACH DAY, PARTICULARLY  
OVER THE INTERIOR. IMPACTS SHOULD CONTINUE TO BE MINIMAL, HOWEVER.  
 

 
   
MARINE
 
 
ISSUED AT 420 AM EST SUN DEC 15 2024  
 
GUSTY E-NE WINDS OCCASIONALLY REACHING CAUTIONARY LEVELS LIKELY  
TO CONTINUE INTO MID WEEK BEFORE A COLD FRONT MOVES ACROSS THE  
WATERS WITH SHOWERS AND A FEW STORMS. DRIER AIR RETURNS BEHIND THE  
FRONT OVER THE LATTER HALF OF THE WEEK WITH LIGHTER WINDS AND  
CALMER SEAS, BEFORE ANOTHER FRONT IS EXPECTED TO MOVE ACROSS THE  
WATERS INTO NEXT WEEKEND, POTENTIALLY BRINGING ANOTHER ROUND OF  
CAUTIONARY TO ADVISORY LEVEL WINDS AND SEAS AS HIGH PRESSURE  
BUILDS IN ITS WAKE.  
 

 
   
FIRE WEATHER
 
 
ISSUED AT 420 AM EST SUN DEC 15 2024  
 
BREEZY E-NE WINDS CONTINUE ACROSS THE AREA SUPPORTING ELEVATED  
DISPERSIONS INTO MONDAY, HOWEVER MINIMUM RH VALUES ARE EXPECTED  
TO REMAIN COMFORTABLY ABOVE CRITICAL THRESHOLDS, WITH NO  
SIGNIFICANT FIRE CONCERNS EXPECTED.  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
TPA 80 62 81 66 / 0 0 0 0  
FMY 81 64 83 67 / 10 0 10 10  
GIF 81 63 83 66 / 10 0 10 10  
SRQ 81 62 82 66 / 0 0 0 0  
BKV 81 55 82 60 / 0 0 0 0  
SPG 78 64 79 66 / 0 0 0 0  
 

 
   
TBW WATCHES/WARNINGS/ADVISORIES
 
 
FL...NONE.  
GULF WATERS...NONE.  
 

 
 

 
 
DISCUSSION/AVIATION/MARINE/FIRE WEATHER...ANDERSON  
DECISION SUPPORT...ANDERSON  
UPPER AIR/CLIMATE...ANDERSON  
 
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