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Tropical Depression THIRTEEN


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BULLETIN
Tropical Depression Thirteen Advisory Number   5
NWS National Hurricane Center Miami FL       AL132020
1100 PM AST Thu Aug 20 2020
 
...HEAVY RAINS FROM THE DEPRESSION EXPECTED OVER THE NORTHERN
LEEWARD ISLANDS ON FRIDAY...
 
 
SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION
-----------------------------------------------
LOCATION...17.3N 56.4W
ABOUT 445 MI...715 KM E OF THE NORTHERN LEEWARD ISLANDS
MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H
PRESENT MOVEMENT...WNW OR 290 DEGREES AT 22 MPH...35 KM/H
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 Watch 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
* Antigua, Barbuda, St. Kitts, Nevis, and Anguilla
 
A Tropical Storm Watch means that tropical storm conditions are
possible within the watch area, generally within 48 hours.
 
Interests elsewhere in the northern Leeward Islands, the Virgin
Islands, and Puerto Rico should monitor the progress of this
system, as additional tropical storm watches or warnings will
be required for portions of those areas later today.
 
For storm information specific to your area, please monitor
products issued by your national meteorological service.
 
 
DISCUSSION AND OUTLOOK
----------------------
At 1100 PM AST (0300 UTC), the center of Tropical Depression
Thirteen was located near latitude 17.3 North, longitude 56.4 West.
The depression is moving toward the west-northwest near 22 mph (35
km/h), and this motion is expected to continue for the next few 
days. On the forecast track, the depression is expected to move 
near or north of the northern Leeward Islands by late Friday, near 
or north of the Virgin Islands and Puerto Rico on Saturday, and
near or north of Hispaniola Saturday night.
 
Maximum sustained winds remain near 35 mph (55 km/h) with higher 
gusts. Gradual strengthening is forecast, and the depression is
likely to become a tropical storm by the weekend.
 
The estimated minimum central pressure based on NOAA Hurricane
Hunter data is 1008 mb (29.77 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
RAINFALL:  The depression is expected to produce 3 to 6 inches of 
rainfall over Puerto Rico and the Virgin Islands through Sunday.  
Heavy rainfall associated with the depression may cause mudslides 
on sensitive slopes and flash and urban flooding through Sunday. 
Over the northern Leeward Islands, the Dominican Republic, and 
Haiti, 1 to 3 inches of rain with isolated maximum totals of 5 
inches are expected.
 
WIND:  Tropical storm conditions are possible within the watch
area late Friday and Saturday.
 
 
NEXT ADVISORY
-------------
Next intermediate advisory at 200 AM AST.
Next complete advisory at 500 AM AST.
 
$$
Forecaster Blake
 
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