Area Forecast Discussion

FXUS62 KKEY 180850
Area Forecast Discussion
National Weather Service Key West FL
450 AM EDT Sun Mar 18 2018
Skies over the Florida Keys became partly cloudy and a few showers
were spotted thanks to the Doppler radar affecting the Dry Tortugas
and some of the island communities. Winds were from the southeast
to south at 5 to 10 mph. Temperatures remained steady in the mid
No major changes were made to the forecast in this morning package.
The Florida Keys will remain under the western edge of a high pressure,
which will push away today and tomorrow to the east. By Monday 
morning, an area of low pressure will be located over northern 
Oklahoma and on Tuesday morning, it will be a stretched low over 
North Carolina. A cold front will extend from this low and swing 
to the southeast and reach the Keys on Tuesday night. Showers will
be possible ahead of the front and the rain activity should be 
over the Straits by Wednesday morning. Behind the front, winds 
will increase and be from the northwest to north. Dew points should
drop 10 to 15 degrees by Thursday morning, after that they are 
expected to slowly increase again.
Fair weather conditions will return to the Keys on Wednesday night 
as a high pressure over the southeast US dips south over the Gulf 
of Mexico and Florida through the remainder of the forecast 
A cold front is expected to cross the Keys on Tuesday night and
winds will pick up afterwards from the northwest to north. An
advisory for small craft might be necessary through early
Thursday. Outside this, light to gentle winds are expected.
VFR conditions will prevail at EYW and MTH through at least the 
next 24 hours. Sustained southeast winds of 5 to 10 knots expected
from just off the surface to about 3,000 feet.
On this date in Florida Keys weather history, in 1881, the high 
temperature in Key West was 86 degrees. This set the daily record 
for maximum temperature measured in Key West on March 18th, a record 
which still stands 137 years later. Temperature records at Key West 
date back to 1872.
Key West  80  73  82  75 / 0 0 -  -  
Marathon  81  72  83  75 / 0 0 -  -  
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