735  
FXUS62 KKEY 291536  
AFDKEY  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE KEY WEST FL  
1136 AM EDT SUN JUN 29 2025  
   
..NEW DISCUSSION, MARINE, AVIATION  
 
   
DISCUSSION  
 
ISSUED AT 1123 AM EDT SUN JUN 29 2025  
COMPOSITE REGIONAL SATELLITE ANALYSIS HIGHLIGHTS POCKETS OF LOW  
CUMULUS CLOUDS STREAMING TOWARDS THE FLORIDA KEYS IN THE MEAN  
BOUNDARY LAYER EAST TO SOUTHEASTERLIES. MEANWHILE, FURTHER ALOFT,  
A PRETTY THICK DECK OF CIRRUS CLOUDS ARE DIVING SOUTHWESTWARD  
ASSOCIATED WITH A TROPICAL UPPER TROPOSPHERIC TROUGH (TUTT) CELL  
CENTERED EAST OF THE BAHAMAS. THE 12Z MORNING SOUNDING AT KEY  
CONTINUED TO SAMPLE A WELL-DEFINED SAHARAN AIR LAYER (SAL)  
SIGNATURE, WITH VERY DRY AIR EMBEDDED IN THE 500-900 MB ISOBARIC  
LAYER. THE CIRRUS DECK IS DOING LITTLE TO HOLD TEMPERATURES IN  
CHECK, WITH SURFACE OBSERVATIONS ALONG THE ISLAND CHAIN REPORTING  
TEMPERATURES IN THE UPPER 80S ON THIS LATE JUNE MORNING. KBYX  
RADAR IS VOID OF ANY METEOROLOGICAL ECHO RETURNS.  
 
GIVEN THE IMMENSE SAL-INDUCED DRY AIR, AS WELL AS THE DENSE  
CIRRUS DECK SATELLITE TRENDS AND UPSTREAM, ELECTED TO LOWER POPS  
AND NUDGE SKY COVER UPWARD FOR THE FIRST PERIOD. OTHER THAN THAT,  
NO CHANGES PROPOSED FOR THIS LATE MORNING UPDATE ITERATION.  
 
 
   
MARINE  
 
ISSUED AT 1123 AM EDT SUN JUN 29 2025  
NO WATCHES, WARNINGS, OR ADVISORIES ARE CURRENTLY IN EFFECT FOR  
THE COASTAL WATERS OF THE FLORIDA KEYS. FROM SYNOPSIS, BROAD  
SURFACE RIDGING WILL CONTINUE TO REBUILD OVER THE ATLANTIC AND  
SUPPORT GENTLE TO MODERATE EAST TO SOUTHEASTERLY BREEZES ACROSS  
FLORIDA KEYS COASTAL WATERS. A SAHARAN AIR LAYER WILL LIMIT SHOWER  
COVERAGE THROUGH THE REST OF THE WEEKEND, BUT AN ISOLATED SHOWER  
OR THUNDERSTORM CANNOT BE RULED OUT. A RETURN TO NEAR- NORMAL RAIN  
AND THUNDER CHANCES IS EXPECTED FOR THE EARLY TO MIDDLE OF NEXT  
WEEK.  
 
 
   
AVIATION  
 
(15Z TAFS)  
ISSUED AT 1123 AM EDT SUN JUN 29 2025  
DESPITE BOUTS OF BKN200 CEILINGS, VFR CONDITIONS WILL PREVAIL AT  
BOTH ISLAND TERMINALS. NEAR-SURFACE WINDS WILL REMAIN OUT OF THE  
EAST TO SOUTHEAST AT 9 TO 11 KNOTS.  
 
 
   
PRELIMINARY POINT TEMPS/POPS  
 
KEY WEST 88 81 89 81 / 20 20 30 40  
MARATHON 89 81 90 81 / 20 30 40 40  
 
 
   
KEY WATCHES/WARNINGS/ADVISORIES  
 
FL...NONE.  
GM...NONE.  
 
 
 
 
PUBLIC/MARINE/FIRE...BT  
AVIATION/NOWCASTS....BT  
DATA ACQUISITION.....BT  
 
VISIT US ON THE WEB AT WEATHER.GOV/KEY  
 
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WWW.FACEBOOK.COM/NWSKEYWEST  
WWW.TWITTER.COM/NWSKEYWEST  
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