[Tropical] Public Tropical Cyclone Advisory

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WTNT33 KNHC 220855
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BULLETIN
Tropical Storm Laura Advisory Number  10
NWS National Hurricane Center Miami FL       AL132020
500 AM AST Sat Aug 22 2020

...CENTER OF DISORGANIZED LAURA OVER THE VIRGIN ISLANDS AND
EASTERN PUERTO RICO...
...EXPECTED TO MOVE ACROSS MUCH OF THE GREATER ANTILLES THIS
WEEKEND...


SUMMARY OF 500 AM AST...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...17.6N 65.5W
ABOUT 70 MI...110 KM SE OF SAN JUAN PUERTO RICO
ABOUT 295 MI...475 KM E OF SANTO DOMINGO DOMINICAN REPUBLIC
MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H
PRESENT MOVEMENT...W OR 280 DEGREES AT 21 MPH...33 KM/H
MINIMUM CENTRAL PRESSURE...1007 MB...29.74 INCHES


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

None.

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.  Tropical
Storm Warnings and Watches will likely be issued for portions of
central and eastern Cuba later today.

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 500 AM AST (0900 UTC), the center of Tropical Storm Laura was
located near latitude 17.6 North, longitude 65.5 West. Laura is
moving toward the west near 21 mph (33 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 near or over
portions of the Virgin Islands and Puerto Rico this morning,
near or over Hispaniola this afternoon and tonight, and near or over
eastern Cuba Sunday and Sunday night.

Maximum sustained winds are near 40 mph (65 km/h) with higher gusts.
Slow strengthening is expected during the next few days.

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

The estimated minimum central pressure based on surface
observations is 1007 mb (29.74 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 intermediate advisory at 800 AM AST.
Next complete advisory at 1100 AM AST.

$$
Forecaster Beven
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