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BULLETIN
Tropical Storm Sebastien Advisory Number   7
NWS National Hurricane Center Miami FL       AL202019
1100 PM AST Wed Nov 20 2019

...SEBASTIEN COULD BECOME A HURRICANE ON THURSDAY OR FRIDAY...


SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION
-----------------------------------------------
LOCATION...22.2N 61.5W
ABOUT 295 MI...475 KM NNE OF THE NORTHERN LEEWARD ISLANDS
MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H
PRESENT MOVEMENT...N OR 10 DEGREES AT 7 MPH...11 KM/H
MINIMUM CENTRAL PRESSURE...999 MB...29.50 INCHES


WATCHES AND WARNINGS
--------------------
There are no coastal watches or warnings in effect.


DISCUSSION AND OUTLOOK
----------------------
At 1100 PM AST (0300 UTC), the center of Tropical Storm Sebastien
was located near latitude 22.2 North, longitude 61.5 West. Sebastien
is moving toward the north near 7 mph (11 km/h). A turn to the
northeast is forecast overnight, with an increase in forecast speed
during the day on Thursday and Friday.

Maximum sustained winds have increased to near 60 mph (95 km/h) with
higher gusts.  Some strengthening is forecast, and Sebastien could
become a hurricane late Thursday or Friday before weakening this
weekend.

Tropical-storm-force winds extend outward up to 160 miles (260 km)
from the center.

The estimated minimum central pressure is 999 mb (29.50 inches).


HAZARDS AFFECTING LAND
----------------------
None


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

$$
Forecaster Blake

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