Friday 21 September, 2018

Hurricane Isaac maintains westward course towards Caribbean

Photo courtesy the National Hurricane Center (NHC).

Photo courtesy the National Hurricane Center (NHC).

Tropical Storm Isaac has now become a hurricane and is continuing on its westward course toward the Caribbean region.

The US National Hurricane Centre said in a 5:00am update on Monday that the storm, which has maximum sustained winds of 75 miles per hour (120 kilometres per hour), is presently approximately 1,230 miles (1,985 kilometres) east of the Windward Islands.

The Barbados Meteorological Services said in an update on Sunday evening that Hurricane Isaac continues on a westward trajectory toward the island. It has strengthened and further strengthening is anticipated over the next few days.  

On the projected track, the system should remain well to the north of Barbados and the center should pass the north of the island around Wednesday night into Thursday morning. 

The Department of Emergency Management said hurricane protocols have been activated and key agencies have been notified to be ready to respond if the need arises.

The Met Office is urging citizens to follow its social media channels and website for updates. 

Details are as follows:

720
WTNT34 KNHC 100840
TCPAT4

BULLETIN
Hurricane Isaac Advisory Number  11
NWS National Hurricane Center Miami FL       AL092018
500 AM AST Mon Sep 10 2018

...ISAAC HOLDING STEADY IN STRENGTH OVER THE CENTRAL ATLANTIC...

SUMMARY OF 500 AM AST...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...14.7N 42.7W
ABOUT 1230 MI...1985 KM E OF THE WINDWARD ISLANDS
MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/H
PRESENT MOVEMENT...W OR 275 DEGREES AT 13 MPH...20 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 AM AST (0900 UTC), the center of Hurricane Isaac was located near latitude 14.7 North, longitude 42.7 West. Isaac is moving toward the west near 13 mph (20 km/h). 

A westward motion with a slight increase in forward speed is forecast through the end of the week.  On the forecast track, Isaac is forecast to move across the Lesser Antilles and into the eastern Caribbean Sea on Thursday.

Maximum sustained winds remain near 75 mph (120 km/h) with higher gusts.  Additional 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 AM AST.

 

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