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BULLETIN
Tropical Storm Laura Advisory Number  11
NWS National Hurricane Center Miami FL       AL132020
1100 AM AST Sat Aug 22 2020
 
...LAURA BRINGING HEAVY RAINS TO PORTIONS OF PUERTO RICO...
 
 
SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...17.8N 66.8W
ABOUT 20 MI...30 KM SW OF PONCE PUERTO RICO
ABOUT 210 MI...335 KM ESE OF SANTO DOMINGO DOMINICAN REPUBLIC
MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H
PRESENT MOVEMENT...W OR 280 DEGREES AT 18 MPH...30 KM/H
MINIMUM CENTRAL PRESSURE...1006 MB...29.71 INCHES
 
 
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:
 
The government of Cuba has issued a Tropical Storm Watch for the
provinces of Las Tunas, Holguin, Guantanamo, Santiago de Cuba, and
Granma.
 
The Tropical Storm Warning is discontinued for St. Maarten, St.
Martin, St. Barthelemy, and the British Virgin Islands.
 
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
 
A Tropical Storm Watch is in effect for...
* The central Bahamas
* Cuban provinces of Las Tunas, Holguin, Guantanamo, Santiago de
Cuba, and Granma
 
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 elsewhere in Cuba and in the Florida Keys should monitor 
the progress of Laura.  Tropical storm warnings and additional 
watches will likely be issued for portions of central and eastern 
Cuba later today and tropical storm watches may be needed for the 
Florida Keys 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 1100 AM AST (1500 UTC), the center of Tropical Storm Laura was
located near latitude 17.8 North, longitude 66.8 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 near 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)
from the center.  A Weatherflow station located at Isla Culebrita 
recently reported a wind gust to 43 mph (69 km/h).  Another 
Weatherflow station at Sandy Point on the Island of St. Croix 
recently reported a wind gust to 41 mph (66 km/h).
 
The estimated minimum central pressure is 1006 mb (29.71 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 potential 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 today 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 200 PM AST.
Next complete advisory at 500 PM AST.
 
$$
Forecaster Pasch
 
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