Tropical Depression Thirteen Intermediate Advisory Number 2A
NWS National Hurricane Center Miami FL AL132020
800 AM AST Thu Aug 20 2020
SUMMARY OF 800 AM AST...1200 UTC...INFORMATION
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LOCATION...15.4N 50.9W
ABOUT 830 MI...1335 KM ESE OF THE NORTHERN LEEWARD ISLANDS
MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H
PRESENT MOVEMENT...WNW OR 295 DEGREES AT 21 MPH...33 KM/H
MINIMUM CENTRAL PRESSURE...1008 MB...29.77 INCHES
WATCHES AND WARNINGS
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CHANGES WITH THIS ADVISORY:
The government of St. Maarten as issued a Tropical Storm Watch for St. Maarten.
The government of Antigua has issued a Tropical Storm Watch for Antigua, Barbuda, St. Kitts, Nevis, and Anguilla.
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
DISCUSSION AND OUTLOOK
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At 800 AM AST (1200 UTC), the center of Tropical Depression Thirteen was located near latitude 15.4 North, longitude 50.9 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.
The estimated minimum central pressure is 1008 mb (29.77 inches).
HAZARDS AFFECTING LAND
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RAINFALL: The depression is expected to produce 1 to 3 inches of rain with isolated maximum totals of 5 inches through Sunday over the northern Leeward Islands and Puerto Rico.
WIND: Tropical storm conditions are possible within the watch area by late Friday.
