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Tropical Depression Thirteen Intermediate Advisory Number 3A
NWS National Hurricane Center Miami FL       AL132020
200 PM AST Thu Aug 20 2020
 
...DEPRESSION CONTINUES WEST-NORTHWESTWARD...
 
 
SUMMARY OF 200 PM AST...1800 UTC...INFORMATION
----------------------------------------------
LOCATION...16.0N 52.8W
ABOUT 700 MI...1120 KM E OF THE NORTHERN LEEWARD ISLANDS
MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H
PRESENT MOVEMENT...WNW OR 290 DEGREES AT 21 MPH...33 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...
* Saba and St. Eustatius
* St. Maarten
* 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 PM AST (1800 UTC), the center of Tropical Depression Thirteen
was located near latitude 16.0 North, longitude 52.8 West. The
depression is moving toward the west-northwest near 21 mph (33 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 and near or north of
the Virgin Islands and Puerto Rico on Saturday.
 
Maximum sustained winds are near 35 mph (55 km/h) with higher
gusts. Gradual strengthening is forecast, and the depression is
expected to become a tropical storm later today or tonight.
 
The estimated minimum central pressure is 1008 mb (29.77 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
RAINFALL:  The depression is expected to produce 1 to 3 inches of
rain with isolated maximum totals of 5 inches over the northern
Leeward Islands, and maximum totals of 3 to 6 inches over Puerto
Rico and the Virgin Islands through Sunday.
 
WIND:  Tropical storm conditions are possible within the watch
area by late Friday.
 
 
NEXT ADVISORY
-------------
Next complete advisory at 500 PM AST.
 
$$
Forecaster Brown
 
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