Potential Tropical Cyclone Nine Public Advisory Number 1A

By | September 12, 2019

Issued at 800 PM EDT Thu Sep 12 2019

000
WTNT34 KNHC 122345
TCPAT4
BULLETIN
Potential Tropical Cyclone Nine Intermediate Advisory Number 1A
NWS National Hurricane Center Miami FL       AL092019
800 PM EDT Thu Sep 12 2019
...TROPICAL DISTURBANCE STATIONARY OVER THE SOUTHEASTERN BAHAMAS...
...TROPICAL CYCLONE EXPECTED TO FORM NEAR THE NORTHWESTERN BAHAMAS
BY THE WEEKEND...
SUMMARY OF 800 PM EDT...0000 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...STATIONARY
MINIMUM CENTRAL PRESSURE...1008 MB...29.77 INCHES
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:
None.
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 800 PM EDT (0000 UTC), the poorly defined center of the
disturbance was located by satellite, surface observations, and
reconnaissance aircraft near latitude 23.7 North, longitude 74.8
West. The disturbance has been stationary over the southeastern
Bahamas. The system is expected to move slowly toward the northwest
by early Friday, and this motion is forecast to continue during the
next 2 days. On this track, the system is anticipated to move across
the central and northwestern Bahamas on Friday, and along or over
the east coast of Florida on Saturday.
Maximum sustained winds are near 30 mph (45 km/h) with higher
gusts. The disturbance is forecast to become a 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...80 percent
* Formation chance through 5 days...high...90 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 complete advisory at 1100 PM EDT.
$$
Forecaster Stewart

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