Tropical Storm Sebastien Advisory Number 1
NWS National Hurricane Center Miami FL AL202019
1100 AM AST Tue Nov 19 2019
SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION
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LOCATION...20.1N 58.7W
ABOUT 275 MI...445 KM NE OF THE LEEWARD ISLANDS
MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H
PRESENT MOVEMENT...NNW OR 330 DEGREES AT 8 MPH...13 KM/H
MINIMUM CENTRAL PRESSURE...1008 MB...29.77 INCHES
WATCHES AND WARNINGS
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There are no coastal watches or warnings in effect.
DISCUSSION AND OUTLOOK
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At 1100 AM AST (1500 UTC), the center of Tropical Storm Sebastien was located near latitude 20.1 North, longitude 58.7 West. Sebastien is moving toward the north-northwest near 8 mph (13 km/h). A turn to the north is expected on Wednesday followed by a turn to the northeast and an increase in forward speed Wednesday night.
Maximum sustained winds are near 45 mph (75 km/h) with higher gusts. Some slight strengthening is possible over the next day or so. Sebastien is expected to become absorbed by a cold front in a couple of days. Tropical-storm-force winds extend outward up to 105 miles (165 km) from the center. The estimated minimum central pressure is 1008 mb (29.77 inches).
HAZARDS AFFECTING LAND
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None
Forecaster Latto
