Area Forecast Discussion
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FXUS62 KKEY 301416

Area Forecast Discussion
National Weather Service Key West FL
1016 AM EDT SAT JUL 30 2016

Mostly sunny skies are present across the Florida Keys
this morning, with temperatures hovering in the middle 80`s, and
dewpoints sultry in the upper 70`s. A few echoes being observed on
the KBYX radar, representing light to moderate rain showers over the
southeastern Gulf waters and the far reaches of the western Florida
Straits. The 12z KKEY sounding came in seasonably moist at 1.75"
of precipitable water, while exhibiting a moderately unstable profile
under light to gentle east northeasterly breezes through 700mb. One
notable feature from this mornings sounding is a sizable dry layer
around 800mb, highlighting a 13 degree dewpoint depression.

.SHORT TERM...Forecast for today remains on track as a ridge of high
pressure over the Florida Peninsula and South Florida will control
the sensible weather features. With limited cloud cover today, and
temperatures peaking in the lower 90`s, expect heat index values to
breach the 100 degree mark. While this is typical summer weather in
the Florida Keys, it still serves as a reminder to stay hydrated and
take frequent breaks in the shade when possible.

A tropical upper tropospheric trough (TUTT) is still on track to approach
our county warning area tonight and in to Sunday, with the vertical
column moistening and winds increasing across our coastal waters. No
changes planned to the forecast this morning.


A ridge of high pressure over the Florida Peninsula and
South Florida will keeps winds light to gentle today, promoting
optimal boating conditions. Winds and seas will increase late tonight
and Sunday as a tropical wave stretches along the Florida Keys.


Until 00z/31st...VFR conditions are anticipated at the Key West and
Marathon terminals. Mostly east winds of less than 10 knots are


The daily record low temperature for July 30th is 69
degrees, which was recorded in 1890. The last time a temperature
below 70 degrees was observed in Key West was on May 8th 2016, when a
low temperature of 63 degrees was recorded. Temperature records in
Key West date back to 1872.


.KEY Watches/Warnings/Advisories...


Data Collection......DR

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