Area Forecast Discussion
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FXUS62 KKEY 181405

Area Forecast Discussion
National Weather Service Key West FL
905 AM EST Wed Jan 18 2017

KBYX detects isolated showers over the western portion of the
Florida Straits. Elsewhere, KBYX detects no precipitation echoes
in the remainder of the forecast area. Skies over the island chain
are mostly sunny. Winds over land are east to southeast near 10
mph. C-MAN winds, on average, are east at 10 to 15 knots.
Temperatures are in the upper 70s.

.SHORT TERM (This afternoon)...
In the low to mid levels of the atmosphere, an area of high
pressure will be centered over the southern half of the Florida
peninsula this afternoon. In the upper levels of the atmosphere,
a ridge of high pressure will be located over the eastern Gulf of
Mexico today. The 12z KKEY sounding is stable and dry, with a
precipitable water value just above three quarters of an inch.
Atmospheric moisture will remain constant this afternoon. The
stable and dry air mass in place will be responsible for a near
zero chance of rain for the Florida Keys today.


Gentle to moderate east to southeast breezes will prevail on all
Keys coastal waters this afternoon. No advisories expected today
through at least Saturday night. A small craft advisory may be
required for the coastal waters of the Gulf of Mexico and Atlantic
Sunday. A small craft advisory will likely be required for all
Keys coastal waters Sunday night.


VFR conditions will prevail at EYW and MTH today and tonight.
Sustained east to southeast winds near 15 knots from just off the
surface to about 3,000 feet will decrease to near 10 knots this


On this date in Florida Keys weather history, in 1960, the high
temperature at Key West International Airport was 85 degrees. This
set the daily record for maximum temperature measured in Key West
on January 18th, a record which still stands 57 years later.
Temperature records at Key West date back to 1872.





Data Collection......DR

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