NHC 5AM Advisory: ISAAC A Strong Tropical Storm

303 
WTNT34 KNHC 110831
TCPAT4

BULLETIN
Tropical Storm Isaac Advisory Number  15
NWS National Hurricane Center Miami FL       AL092018
500 AM AST Tue Sep 11 2018

...ISAAC REMAINS A STRONG TROPICAL STORM OVER THE CENTRAL TROPICAL
ATLANTIC...

SUMMARY OF 500 AM AST...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...14.6N 48.1W
ABOUT 880 MI...1420 KM E OF THE LESSER ANTILLES
MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/H
PRESENT MOVEMENT...W OR 270 DEGREES AT 14 MPH...22 KM/H
MINIMUM CENTRAL PRESSURE...997 MB...29.44 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 AM AST (0900 UTC), the center of Tropical Storm Isaac was
located near latitude 14.6 North, longitude 48.1 West. Isaac is
moving toward the west near 14 mph (22 km/h).  This general motion
is expected to continue 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 remain near 70 mph (110 km/h) with higher
gusts.  Little change in strength is forecast during the next few
days, but Isaac is forecast to be at or near hurricane strength as
it approaches the Lesser Antilles.

Tropical-storm-force winds extend outward up to 45 miles (75 km)
from the center.

The estimated minimum central pressure is 997 mb (29.44 inches).

HAZARDS AFFECTING LAND
----------------------
RAINFALL: Isaac is expected to produce total rainfall accumulations
of 2 to 4 inches with isolated amounts near 6 inches across the
Leeward Islands late this week, with 1 to 2 inches anticipated
across the Windward Islands.

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

$$
Forecaster Cangialosi

Source: National Hurricane Center

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