431  
FXUS62 KTBW 250521  
AFDTBW  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL  
121 AM EDT SAT MAR 25 2017  
   
AVIATION
 
 
VFR AT ALL TERMINALS NEXT 24 HOURS. GENERALLY EASTERLY WINDS WILL  
GIVE WAY TO A SEA BREEZE TURNING WINDS ONSHORE NEAR THE COAST  
SATURDAY AFTERNOON, MOST LIKELY AT KTPA, KPIE, AND KSRQ. NO OTHER  
AVIATION IMPACTS EXPECTED.  
 

 
   
PREV DISCUSSION
 
/ISSUED 819 PM EDT FRI MAR 24 2017/  
 
UPDATE...  
EARLY EVENING WATER VAPOR SATELLITE IMAGERY IS SHOWING A LARGE SPUN  
UP TROUGH OVER THE SOUTHERN PLAINS, WHILE RIDGING REMAINS IN CONTROL  
ALOFT ACROSS FLORIDA AND THE EASTERN GULF OF MEXICO. GENERALLY  
EASTERLY SURFACE FLOW IS CONTINUING TO BRING IN MODEST LOW LEVEL  
MOISTURE OFF THE ATLANTIC, WHICH WILL SUPPORT SCATTERED CLOUD  
COVERAGE OVERNIGHT. SURFACE DEW POINTS ARE HIGH ENOUGH THAT A FEW  
PATCHES OF FOG CANNOT BE COMPLETELY RULED OUT, BUT THE CLOUD COVER  
AND SURFACE WINDS SHOULD PREVENT WIDESPREAD FOG.  
 
THE FORECAST LOOKS ON TRACK OVERALL WITH NEAR TO ABOVE NORMAL  
TEMPERATURES AND RAIN FREE CONDITIONS HOLDING WELL INTO NEXT WEEK.  
NO SIGNIFICANT CHANGES ARE NEEDED FOR THE EVENING UPDATE.  
 
AVIATION...  
VFR CONDITIONS WILL HOLD THROUGH THE NEXT 24 HOURS. GENERALLY  
EASTERLY WINDS COULD GIVE WAY TO A SEA BREEZE TURNING WINDS ONSHORE  
NEAR THE COAST SATURDAY AFTERNOON, MOST LIKELY AT KTPA, KPIE, AND  
KSRQ.  
 
MARINE...  
ATLANTIC SURFACE HIGH PRESSURE WILL CONTINUE TO RIDGE INTO THE  
NORTHEASTERN GULF OF MEXICO THROUGH THE MIDDLE OF NEXT WEEK. A FAIRLY  
TIGHT PRESSURE GRADIENT TONIGHT WILL ALLOW FOR AN EASTERLY SURGE  
INCREASING WIND SPEEDS UP TO CAUTIONARY LEVEL OFFSHORE THROUGH EARLY  
SATURDAY MORNING. THE PRESSURE GRADIENT WILL THEN GRADUALLY RELAX  
THROUGH THE WEEKEND, WITH WINDS AND SEAS EXPECTED TO REMAIN BELOW  
HEADLINE CRITERIA THROUGH THE REMAINDER OF THE PERIOD.  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
TPA 81 65 81 65 / 10 10 10 0  
FMY 83 63 83 63 / 30 30 10 10  
GIF 83 62 83 62 / 10 10 20 0  
SRQ 80 62 79 62 / 10 10 10 0  
BKV 82 59 83 58 / 10 0 10 0  
SPG 80 66 80 66 / 10 10 10 0  
 

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

 
 

 
 
AVIATION...74/WYNN  
DECISION SUPPORT...14/MROCZKA  
 
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