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Potential Tropical Cyclone Nine Advisory Number   1
NWS National Hurricane Center Miami FL       AL092019
500 PM EDT Thu Sep 12 2019

...A TROPICAL CYCLONE IS EXPECTED TO FORM NEAR THE NORTHWESTERN
BAHAMAS...


SUMMARY OF 500 PM EDT...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...23.7N 74.8W
ABOUT 235 MI...380 KM SE OF GREAT ABACO ISLAND
ABOUT 310 MI...500 KM SE OF FREEPORT GRAND BAHAMA ISLAND
MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H
PRESENT MOVEMENT...NW OR 305 DEGREES AT 8 MPH...13 KM/H
MINIMUM CENTRAL PRESSURE...1008 MB...29.77 INCHES


WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:

The government of the Bahamas has issued a Tropical Storm Warning
for the following islands in the northwestern Bahamas the Abacos,
Berry Islands, Bimini, Eleuthera, Grand Bahama Island, and New
Providence.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

A Tropical Storm Warning is in effect for...
* Northwestern Bahamas excluding Andros Island

A Tropical Storm Warning means that tropical storm conditions are
expected somewhere within the warning area within 36 hours.

Interests along the east coast of Florida should monitor the
progress of this system.

For storm information specific to your area, please monitor
products issued by your national meteorological service.


DISCUSSION AND OUTLOOK
----------------------
At 500 PM EDT (2100 UTC), the disturbance was centered near latitude
23.7 North, longitude 74.8 West. The system is expected to move
toward the northwest near 8 mph (13 km/h), and this motion is
forecast to continue during the next 2 days. On this track, the
system is anticipated to move across the northwestern Bahamas on
Friday, and along or over the east coast of central Florida on
Saturday.

Maximum sustained winds are near 30 mph (45 km/h) with higher gusts.
The disturbance is forecast to become tropical depression or a
tropical storm during the next day or so.

Environmental conditions are favorable for a tropical depression or
tropical storm to form within the next day or two.
* Formation chance through 48 hours...high...70 percent
* Formation chance through 5 days...high...80 percent

The estimated minimum central pressure is 1008 mb (29.77 inches).


HAZARDS AFFECTING LAND
----------------------
WIND: Tropical storm conditions are expected within the warning
area in the northwest Bahamas by late Friday.

RAINFALL: The system is expected to produce total rain accumulations
of 2 to 4 inches through Sunday over the Bahamas and along
the east coast of Florida north of West Palm Beach. Isolated maximum
amounts of 7 inches are possible in the northwest and central
Bahamas.

STORM SURGE: This system is not expected to product significant
storm surge in the northwest Bahamas.


NEXT ADVISORY
-------------
Next intermediate advisory at 800 PM EDT.
Next complete advisory at 1100 PM EDT.

$$
Forecaster Avila

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