[Tropical] Public Tropical Cyclone Advisory

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BULLETIN
Tropical Storm Laura Intermediate Advisory Number 9A
NWS National Hurricane Center Miami FL       AL132020
200 AM AST Sat Aug 22 2020

...CENTER OF DISORGANIZED LAURA APPROACHING THE VIRGIN ISLANDS...
...EXPECTED TO MOVE ACROSS MUCH OF THE GREATER ANTILLES THIS
WEEKEND...


SUMMARY OF 200 AM AST...0600 UTC...INFORMATION
----------------------------------------------
LOCATION...17.3N 64.4W
ABOUT 40 MI...65 KM SE OF ST. CROIX
ABOUT 130 MI...210 KM SE OF SAN JUAN PUERTO RICO
MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H
PRESENT MOVEMENT...WNW OR 285 DEGREES AT 18 MPH...30 KM/H
MINIMUM CENTRAL PRESSURE...1008 MB...29.77 INCHES


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

The Government of the Dominican Republic has issued a Tropical
Storm Warning for the south coast of the Dominican Republic from
Cabo Engano to Punta Palenque.

The government of the Bahamas has upgraded the Tropical Storm Watch
to a Tropical Storm Warning for the southeastern Bahamas and Turks
and Caicos Islands, and issued a Tropical Storm Watch for the
central Bahamas.

The government of Antigua has discontinued the Tropical Storm
Warning for Antigua, Barbuda, St. Kitts, Nevis, Anguilla, and
Montserrat.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

A Tropical Storm Warning is in effect for...
* Puerto Rico, Vieques and Culebra
* U.S. Virgin Islands
* British Virgin Islands
* Saba and St. Eustatius
* St. Maarten
* St. Martin and St. Barthelemy
* 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

A Tropical Storm Watch is in effect for...
* The central Bahamas

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.

Interests in Cuba should monitor the progress of Laura.

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 200 AM AST (0600 UTC), the center of Tropical Storm Laura was
located near latitude 17.3 North, longitude 64.4 West. Laura is
moving toward the west-northwest near 18 mph (30 km/h) and a
generally west-northwestward motion at a slightly faster forward
speed is expected over the next few days. On the forecast track, the
center of Laura will move near or over portions of the Virgin
Islands during the next several hours, near or over Puerto Rico
later today, and near the northern coast of Hispaniola tonight and
and early Sunday.

Maximum sustained winds are near 45 mph (75 km/h) with higher
gusts. Some slow strengthening is forecast during the next few days.

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

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


HAZARDS AFFECTING LAND
----------------------
RAINFALL:  Laura is expected to produce 3 to 6 inches of rain over
Puerto Rico and the Virgin Islands, the Dominican Republic, the
southern Haitian Peninsula and eastern Cuba through Sunday. Maximum
amounts up to 8 inches are possible along eastern portions and the
southern slopes of Puerto Rico, as well as over Haiti, the Dominican
Republic and eastern Cuba. This heavy rainfall could lead to flash
and urban flooding, as well as an increased potential for mudslides
with minor river flooding 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
and southeast Bahamas.

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

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


NEXT ADVISORY
-------------
Next complete advisory at 500 AM AST.

$$
Forecaster Beven
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