Area Forecast Discussion
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FXUS62 KKEY 240320

Area Forecast Discussion
National Weather Service Key West FL
1020 PM EST Fri Feb 23 2018

Isolated to scattered light to moderate showers have been favoring
the near and offshore Atlantic waters, and the nearshore Gulf and
Bay waters late this afternoon and this evening. A few locations
along the island chain have had brief showers passing over during
that time as well.

The local evening sounding indicated little change in the fresh to
strong easterly breezes which extend through about 10000 feet, but
dropping off to moderate through the stable mid layers over the
past twelve hours. Moisture declined over the past 24 hours, but
satellite images indicate that the sampling was just prior to a
slightly enhanced pocket currently pushing across the service
area. Indeed, the current KBYX radar echoes are in step with this
satellite signature. That said, the afternoon zone issuance
advertised at least a low chance of measurable precipitation
through the overnight period. See no reason to deviate from that
advertisement as a subtle low level wave skirts across the area
tonight. We expect at least 10 to 15 mph breezes, and temperatures
should not move much from their present readings. No zone update
is planned for late this evening.


An advisory for small craft will continue across the Straits of
Florida overnight. Small craft should exercise caution across Hawk
Channel overnight, and the offshore Gulf waters early tonight.
Overall, the winds will moderate on Saturday as high pressure
starts to settle southward across the Florida peninsula.


Brief MVFR conditions are possible in association with a few small
showers through the overnight period. VCSH has been maintained at
both the KEYW and KMTH terminals on that account. Otherwise,
expect VFR and moderating easterly breezes into late Saturday
morning and afternoon.


On this date in 1978, the low temperature in Key West dipped to 48
degrees. This set the daily low temperature record for February
twenty third in the city. Temperature records for Key West date
back to 1872.


GM...Small Craft Advisory GMZ052>055-072>075.



Data Collection......DR

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