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Tropical Invest 99L (1 Viewer)

ForsythSnow

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#1
Here we go again. Post away.

A large area of cloudiness and showers extending from the Cayman
Islands northward across Cuba to the Florida Straits is associated
with a broad surface trough interacting with an upper-level low. A
weak area of low pressure is likely to form from this weather system
while it moves northward across the Florida Straits to near the east
coast of the Florida peninsula during the next few days, and
environmental conditions appear conducive for development before
upper-level winds become less favorable early next week. Regardless
of development, this system is likely to produce locally heavy
rainfall over portions of central and western Cuba, the Florida
Keys, the Florida peninsula, and the northwestern Bahamas during the
next several days.
* Formation chance through 48 hours...low...30 percent.
* Formation chance through 5 days...medium...50 percent.
 
Last edited:

GaWx

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#2
With or without actual TC or STC genesis, part of this weekend is looking to be very windy along the coast in NE FL, GA, and S SC.with gales likely and the possibility of coastal flooding near high tides. Not what these areas need after Irma.
 

GaWx

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#3
From NWS KCHS:
THE NATIONAL HURRICANE CENTER IS GIVING THIS LOW PRESSURE A MODERATE
CHANCE OF DEVELOPING INTO A SUB-TROPICAL OR EVEN TROPICAL CYCLONE.
HOWEVER, WHETHER THIS SYSTEM DOES SO OR NOT IT WILL CONTRIBUTE TO A
STRENGTHENING PRESSURE GRADIENT AS STRONG HIGH PRESSURE BUILDS TO
THE NORTH.
THUS, WE EXPECT COOLER CONDITIONS TO SETTLE INTO THE AREA
WITH INCREASING NORTHEAST/EAST WINDS.


From NWS KJAX:
THE MAIN THING TO KEEP IN MIND, REGARDLESS OF WHAT WE DESIGNATE
THE POSSIBLE LOW OFFSHORE THIS WEEKEND, IS THE IMPACTS WILL BE THE
SAME IF IT HAS A NAME OR NOT.
WE ARE CURRENTLY IN A PERIOD OF
ABOVE NORMAL WATER LEVELS IN OUR ESTUARY SYSTEM, INCLUDING THE ST
JOHNS RIVER, AND THE PRIMARY ASTRONOMICAL TIDE EACH DAY IS GOING
TO BE AT OR ABOVE MEAN HIGHER HIGH WATER (MHHW) FOR THE NEXT WEEK
PEAKING ABOUT OCTOBER 10-12TH ALONG THE OCEAN FRONT. WITH AN
ONSHORE FLOW OF 20 TO 25 KNOTS WITH GALE FORCE GUSTS LOOKING FOR
THE PRIMARY HIGH TIDE ON SUNDAY AND POSSIBLY SATURDAY NIGHT AS
WELL TO BE AT 2 TO 3 FEET ABOVE MHHW WITH HIGH SURF ON TOP OF
THAT. THOSE LEVELS ARE WITHIN MINOR AND VERY CLOSE TO MODERATE
COASTAL FLOODING DEPENDING UPON THE LOCATION.
 

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