Tropical Storm Sebastien Public Advisory Number 17

By | November 23, 2019

Issued at 1100 AM AST Sat Nov 23 2019


000
WTNT35 KNHC 231452
TCPAT5

BULLETIN
Tropical Storm Sebastien Advisory Number  17
NWS National Hurricane Center Miami FL       AL202019
1100 AM AST Sat Nov 23 2019

...SEBASTIEN DISORGANIZED BUT APPEARS TO BE MAINTAINING STRENGTH...


SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...30.4N 47.7W
ABOUT 1290 MI...2075 KM WSW OF THE AZORES
MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H
PRESENT MOVEMENT...NE OR 55 DEGREES AT 26 MPH...43 KM/H
MINIMUM CENTRAL PRESSURE...997 MB...29.44 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 30.4 North, longitude 47.7 West. Sebastien
is moving toward the northeast near 26 mph (43 km/h). A fast
northeastward or east-northeastward motion is expected during the
next day or two.

Maximum sustained winds are near 65 mph (100 km/h) with higher
gusts. Little change in the maximum wind speed is expected during
the next couple of days. Sebastien is forecast to become
post-tropical by Monday and it could become a remnant trough of low
pressure sooner than that.

Tropical-storm-force winds extend outward up to 115 miles (185 km)
from the center.

The estimated minimum central pressure is 997 mb (29.44 inches).


HAZARDS AFFECTING LAND
----------------------
WIND AND RAIN: Regardless of its status, Sebastien or its remnants
could bring gusty winds and rain to the Azores beginning Sunday.
Please see products issued by the Portuguese Institute for the Sea
and the Atmosphere (IPMA) for more information.

SURF:  Swells generated by Sebastien are expected to reach the
Azores early next week. These swells are likely to cause
life-threatening surf and rip current conditions.


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

$$
Forecaster Zelinsky

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