Atlantic Basin Tropical Cyclones

Hurricane Sam Public Advisory


090 
WTNT33 KNHC 250832
TCPAT3

BULLETIN
Hurricane Sam Advisory Number  11
NWS National Hurricane Center Miami FL       AL182021
500 AM AST Sat Sep 25 2021

...SAM ALMOST A MAJOR HURRICANE...
...ADDITIONAL STRENGTHENING EXPECTED...


SUMMARY OF 500 AM AST...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...12.8N 46.7W
ABOUT 1150 MI...1855 KM ESE OF THE NORTHERN LEEWARD ISLANDS
MAXIMUM SUSTAINED WINDS...110 MPH...175 KM/H
PRESENT MOVEMENT...WNW OR 290 DEGREES AT 13 MPH...20 KM/H
MINIMUM CENTRAL PRESSURE...973 MB...28.74 INCHES


WATCHES AND WARNINGS
--------------------
There are no coastal watches or warnings in effect.


DISCUSSION AND OUTLOOK
----------------------
At 500 AM AST (0900 UTC), the eye of Hurricane Sam was located
near latitude 12.8 North, longitude 46.7 West. Sam is moving toward
the west-northwest near 13 mph (20 km/h). A slower motion to the 
west-northwest is expected over the weekend, followed by a turn to 
the northwest on Monday.

Maximum sustained winds have increased to near 110 mph (175 km/h) 
with higher gusts. Additional strengthening is forecast, and Sam is 
expected to become a major hurricane later today.

Sam is a small hurricane.  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 973 mb (28.74 inches).


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


NEXT ADVISORY
-------------
Next complete advisory at 1100 AM AST.

$$
Forecaster Cangialosi




Source link