BULLETIN
Hurricane Sam Advisory Number 19
NWS National Hurricane Center Miami FL AL182021
500 AM AST Mon Sep 27 2021
...SAM EXPECTED TO REMAIN A MAJOR HURRICANE FOR SEVERAL DAYS...
...HURRICANE HUNTER AIRCRAFT TO INVESTIGATE SAM LATER TODAY...
SUMMARY OF 500 AM AST...0900 UTC...INFORMATION
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LOCATION...15.2N 51.4W
ABOUT 800 MI...1290 KM ESE OF THE NORTHERN LEEWARD ISLANDS
MAXIMUM SUSTAINED WINDS...130 MPH...215 KM/H
PRESENT MOVEMENT...NW OR 315 DEGREES AT 8 MPH...13 KM/H
MINIMUM CENTRAL PRESSURE...952 MB...28.12 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 500 AM AST (0900 UTC), the center of Hurricane Sam was located
near latitude 15.2 North, longitude 51.4 West. Sam is moving toward
the northwest near 8 mph (13 km/h). This general motion is expected
to continue for the next several days, with an increase in forward
speed beginning on Thursday.
Maximum sustained winds are near 130 mph (215 km/h) with higher
gusts. Sam is a category 4 hurricane on the Saffir-Simpson
Hurricane Wind Scale. Little change in strength is expected during
the next day or so. Thereafter, some slow weakening is forecast
through midweek, although Sam should remain a major hurricane.
Sam is a small hurricane. Hurricane-force winds extend outward up
to 30 miles (45 km) from the center and tropical-storm-force winds
extend outward up to 105 miles (165 km).
The estimated minimum central pressure is 952 mb (28.12 inches).
HAZARDS AFFECTING LAND
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SURF: Swells generated by Sam will reach the Lesser Antilles today
and impact these islands for the next several days. These swells
could cause life-threatening surf and rip current conditions. Please
consult products from your local weather office.