[Tropical] Public Tropical Cyclone Advisory

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WTNT33 KNHC 210541
TCPAT3

BULLETIN
Tropical Depression Thirteen Intermediate Advisory Number 5A
NWS National Hurricane Center Miami FL       AL132020
200 AM AST Fri Aug 21 2020

...HEAVY RAINS FROM THE DEPRESSION EXPECTED OVER THE NORTHERN
LEEWARD ISLANDS ON FRIDAY...


SUMMARY OF 200 AM AST...0600 UTC...INFORMATION
----------------------------------------------
LOCATION...17.5N 57.4W
ABOUT 380 MI...610 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 200 AM AST (0600 UTC), the center of Tropical Depression Thirteen
was located near latitude 17.5 North, longitude 57.4 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 later today, 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 later today and Saturday.


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

$$
Forecaster Beven
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