Tropical Storm Sebastien Public Advisory Number 3

By | November 20, 2019

Issued at 1100 PM AST Tue Nov 19 2019


000
WTNT35 KNHC 200236
TCPAT5

BULLETIN
Tropical Storm Sebastien Advisory Number   3
NWS National Hurricane Center Miami FL       AL202019
1100 PM AST Tue Nov 19 2019

...SEBASTIEN FORECAST TO STRENGTHEN ON WEDNESDAY...


SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION
-----------------------------------------------
LOCATION...20.7N 60.6W
ABOUT 235 MI...380 KM NE OF THE NORTHERN LEEWARD ISLANDS
MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H
PRESENT MOVEMENT...WNW OR 290 DEGREES AT 9 MPH...15 KM/H
MINIMUM CENTRAL PRESSURE...1004 MB...29.65 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 20.7 North, longitude 60.6 West. Sebastien
is moving toward the west-northwest near 9 mph (15 km/h). A
gradual turn to the north is expected by late Wednesday followed by
a turn to the northeast with an increase in forward speed
on Thursday.

Maximum sustained winds remain near 45 mph (75 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 become absorbed by a cold front on Friday.

Tropical-storm-force winds extend outward up to 140 miles (220 km)
from the center.

The estimated minimum central pressure is 1004 mb (29.65 inches).


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


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

$$
Forecaster Blake

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