Hurricane Sam Advisory Number 7
NWS National Hurricane Center Miami FL AL182021
500 AM AST Fri Sep 24 2021
SUMMARY OF 500 AM AST…0900 UTC…INFORMATION
ABOUT 1470 MI…2365 KM ESE OF THE NORTHERN LEEWARD ISLANDS
MAXIMUM SUSTAINED WINDS…75 MPH…120 KM/H
PRESENT MOVEMENT…W OR 280 DEGREES AT 15 MPH…24 KM/H
MINIMUM CENTRAL PRESSURE…993 MB…29.33 INCHES
WATCHES AND WARNINGS
There are no coastal watches or warnings in effect.
DISCUSSION AND OUTLOOK
At 500 AM AST (0900 UTC), the center of Hurricane Sam was located near latitude 11.5 North, longitude 42.2 West. Sam is moving toward the west near 15 mph (24 km/h) and this motion is expected to continue through tonight. A decrease in forward speed and a motion toward the west-northwest are expected over the weekend.
Maximum sustained winds have increased to near 75 mph (120 km/h) with higher gusts. Rapid intensification is forecast to continue, and Sam is likely to become a major hurricane tonight or early Saturday.
Hurricane-force winds extend outward up to 15 miles (30 km) from the center and tropical-storm-force winds extend outward up to 60 miles (95 km).
The estimated minimum central pressure is 993 mb (29.33 inches).
HAZARDS AFFECTING LAND