643
WTNT34 KNHC 102030
TCPAT4
BULLETIN
Hurricane Isaac Advisory Number 13
NWS National Hurricane Center Miami FL AL092018
500 PM AST Mon Sep 10 2018
…ISAAC CONTINUES TO SHOW LITTLE CHANGE IN STRENGTH…
SUMMARY OF 500 PM AST…2100 UTC…INFORMATION
———————————————-
LOCATION…14.4N 45.0W
ABOUT 1090 MI…1755 KM E OF THE LESSER ANTILLES
MAXIMUM SUSTAINED WINDS…75 MPH…120 KM/H
PRESENT MOVEMENT…W OR 270 DEGREES AT 14 MPH…22 KM/H
MINIMUM CENTRAL PRESSURE…993 MB…29.33 INCHES
WATCHES AND WARNINGS
——————–
There are no coastal watches or warnings in effect.
Interests in the Lesser Antilles should monitor the progress of
Isaac.
DISCUSSION AND OUTLOOK
———————-
At 500 PM AST (2100 UTC), the center of Hurricane Isaac was located
near latitude 14.4 North, longitude 45.0 West. Isaac is moving
toward the west near 14 mph (22 km/h). A westward motion with a
slight increase in forward speed is expected through the end of the
week. On the forecast track, Isaac should move across the
Lesser Antilles and into the eastern Caribbean Sea on Thursday.
Maximum sustained winds are near 75 mph (120 km/h) with higher
gusts. Some strengthening is expected over the next day or two.
Weakening is forecast to begin by the middle of the week as Isaac
approaches the Lesser Antilles.
Isaac is a small hurricane. Hurricane-force winds extend outward up
to 10 miles (20 km) from the center and tropical-storm-force winds
extend outward up to 45 miles (75 km).
The estimated minimum central pressure is 993 mb (29.33 inches).
HAZARDS AFFECTING LAND
———————-
None.
NEXT ADVISORY
————-
Next complete advisory at 1100 PM AST.
$$
Forecaster Pasch
