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Area Forecast Discussion (AFD)

Issued by Key West, FL (KEY)

                            
982 
FXUS62 KKEY 170213
AFDKEY

Area Forecast Discussion
National Weather Service Key West FL
913 PM EST Fri Feb 16 2018

.DISCUSSION...
.CURRENTLY...
KBYX detects no precipitation echoes. Skies over the island chain
are partly cloudy. Winds over land are northeast to east at 5 to
10 mph. C-MAN winds, on average, are east near 10 knots. 
Temperatures are in the mid 70s.

.SHORT TERM (Overnight)...
In the low to mid levels of the atmosphere, an Atlantic ridge of
high pressure will extend across Central Florida overnight. In the
upper levels of the atmosphere, an area of high pressure will be
centered just northeast of the Bahamas tonight. The 00z KKEY
sounding is marginally unstable and seasonably moist, with a
precipitable water value of one inch. Atmospheric moisture will
remain constant overnight. Anticyclonic flow in all levels of
atmosphere will be responsible for a near zero chance of
measurable rainfall for the Florida Keys tonight. 

&&

.MARINE...
Gentle east breezes will prevail on all Keys coastal waters
overnight. No advisories expected tonight through at least
Saturday night. A Small Craft Advisory may be required for the
coastal waters of the Florida Straits Sunday. A Small Craft
Advisory will likely be required for the coastal waters of the
Florida Straits Sunday night and Monday. A Small Craft Advisory
will likely be required for the coastal waters of the Atlantic and
offshore Gulf of Mexico Monday night through Wednesday. A Small
Craft Advisory will likely be required for the coastal waters of
the Florida Straits Wednesday night.

&&

.AVIATION...
VFR conditions will prevail at EYW and MTH tonight and Saturday.
Sustained northeast to east winds of 5 to 10 knots from just off
the surface to about 3,000 feet will increase to 10 to 15 knots
after midnight tonight. 

&&

.CLIMATE...
On this date in Florida Keys weather history, in 1994, 1.18 inches
of rain fell at Key West International Airport. This set the daily
record for maximum rainfall measured in Key West on February 16th,
a record which still stands 24 years later. Rainfall records at
Key West date back to 1871.

&&

.KEY WATCHES/WARNINGS/ADVISORIES...
FL...None.
GM...None.

&&

$$

Public/Marine/Fire...BS
Aviation/Nowcasts....BS
Data Collection......DR

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