[Tropical] Public Tropical Cyclone Advisory

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BULLETIN
Tropical Storm Laura Intermediate Advisory Number 12A
NWS National Hurricane Center Miami FL       AL132020
800 PM AST Sat Aug 22 2020

...LAURA NEAR THE EASTERN PORTION OF THE DOMINICAN REPUBLIC...
...HEAVY RAINS OCCURRING OVER PUERTO RICO AND THE DOMINICAN
REPUBLIC...


SUMMARY OF 800 PM AST...0000 UTC...INFORMATION
----------------------------------------------
LOCATION...18.1N 68.7W
ABOUT 85 MI...135 KM ESE OF SANTO DOMINGO DOMINICAN REPUBLIC
MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H
PRESENT MOVEMENT...W OR 280 DEGREES AT 18 MPH...30 KM/H
MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES


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

The government of Cuba has issued a Tropical Storm Watch for the
following provinces: Ciego De Avila, Sancti Spiritus, Villa Clara,
Cienfuegos, Matanzas, Mayabeque, La Habana, Artemisa, and Pinar Del
Rio.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

A Tropical Storm Warning is in effect for...
* Puerto Rico, Vieques and Culebra
* U.S. Virgin Islands
* The northern coast of the Dominican Republic from Cabo Engano to
the border with Haiti
* The southern coast of the Dominican Republic from Cabo Engano to
Punta Palenque
* The northern coast of Haiti from Le Mole St. Nicholas to the
border with the Dominican Republic
* The southeastern Bahamas and the Turks and Caicos Islands
* Cuban provinces of Camaguey, Las Tunas, Holguin, Guantanamo,
Santiago de Cuba, and Granma

A Tropical Storm Watch is in effect for...
* The central Bahamas
* Andros Island
* Florida Keys from Ocean Reef to Key West and the Dry Tortugas
* Florida Bay
* Cuban provinces of Ciego De Avila, Sancti Spiritus, Villa Clara,
Cienfuegos, Matanzas, Mayabeque, La Habana, Artemisa, and Pinar Del
Rio

It should be noted that the Cuban province of Pinar Del Rio is
still under a Tropical Storm Warning for Marco.

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

A Tropical Storm Watch means that tropical storm conditions are
possible within the watch area, generally within 48 hours.

For storm information specific to your area in the United
States, including possible inland watches and warnings, please
monitor products issued by your local National Weather Service
forecast office. For storm information specific to your area
outside of the United States, please monitor products issued by
your national meteorological service.


DISCUSSION AND OUTLOOK
----------------------
At 800 PM AST (0000 UTC), the center of Tropical Storm Laura was
located near latitude 18.1 North, longitude 68.7 West. Laura is
moving toward the west near 18 mph (30 km/h), and a generally
west-northwestward motion is expected over the next few days.  On
the forecast track, the center of Laura will move across Hispaniola
tonight and early Sunday, near or over Cuba Sunday and Monday, and
into the southeastern Gulf of Mexico Monday night and Tuesday.

Maximum sustained winds are near 50 mph (85 km/h) with higher
gusts. No significant changes in strength are forecast during the
next 48 hours while Laura moves near or over Hispaniola and Cuba.
Strengthening is forecast once Laura moves into the Gulf of Mexico
Monday night and Tuesday.

Tropical-storm-force winds extend outward up to 205 miles (335 km)
from the center.

The estimated minimum central pressure is 1004 mb (29.65 inches).


HAZARDS AFFECTING LAND
----------------------
RAINFALL:  Laura is expected to produce the following rainfall
accumulations through Monday:

Puerto Rico and the Virgin Islands: 3 to 6 inches, with maximum
amounts of 8 inches possible along eastern portions and the southern
slopes.

Dominican Republic and Haiti: 4 to 8 inches, with maximum amounts of
12 inches across southern areas.

Cuba: 3 to 6 inches, with isolated amounts of 8 inches.

This heavy rainfall could lead to life-threatening flash and urban
flooding, and the potential for mudslides across the Greater
Antilles. Widespread minor to potentially moderate river flooding is
possible in Puerto Rico.

1 to 3 inches of rain, with isolated maximum totals of 5 inches, is
expected over the  northern Leeward Islands, the Turks and Caicos,
southeast Bahamas and Jamaica.

WIND:  Tropical storm conditions are expected within portions of
the warning area through Sunday night.  Tropical storm conditions
are possible within portions of the watch area on Monday.

SURF:  Swells generated by Laura are affecting portions of the
northern Leeward Islands, Puerto Rico, and Hispaniola.  These
swells are expected to spread across Cuba, much of the Bahamas, and
the Florida Keys during the next few days. Please consult products
from your local weather office.


NEXT ADVISORY
-------------
Next complete advisory at 1100 PM AST.

$$
Forecaster Cangialosi
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