Tropical Storm Sebastien Public Advisory Number 5

By | November 20, 2019

Issued at 1100 AM AST Wed Nov 20 2019


000
WTNT35 KNHC 201444
TCPAT5

BULLETIN
Tropical Storm Sebastien Advisory Number   5
NWS National Hurricane Center Miami FL       AL202019
1100 AM AST Wed Nov 20 2019

...SEBASTIEN MAINTAINS INTENSITY...
...EXPECTED TO TURN NORTH SOON...


SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...21.1N 61.7W
ABOUT 220 MI...355 KM NNE OF THE NORTHERN LEEWARD ISLANDS
MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H
PRESENT MOVEMENT...W OR 280 DEGREES AT 7 MPH...11 KM/H
MINIMUM CENTRAL PRESSURE...1002 MB...29.59 INCHES


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


DISCUSSION AND OUTLOOK
----------------------
At 1100 AM AST (1500 UTC), the center of Tropical Storm Sebastien
was located near latitude 21.1 North, longitude 61.7 West. Sebastien
is moving toward the west near 7 mph (11 km/h). A turn to the north
is expected later today. A turn to the northeast with an increase
in forward speed is expected tonight and Thursday.

Maximum sustained winds are near 50 mph (85 km/h) with higher gusts.
Some strengthening is forecast during the next 48 hours. Sebastien
is expected to become an extratropical cyclone in a couple of days
and be absorbed by a cold front on Friday.

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

The estimated minimum central pressure is 1002 mb (29.59 inches).


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


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

$$
Forecaster Latto/Mello

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