Tuesday 21 August, 2018

Dominica, St Lucia, Barbados, prepare for Hurricane Beryl

Photo: NHC

Photo: NHC

A Hurricane Watch has been issued for Dominica as the island, still recovering from Hurricane Maria, prepares for the passage of Hurricane Beryl as it approaches the Lesser Antilles. 

Barbados and St Lucia are also under Tropical Storm watch.

According to an update from the US National Hurricane Center (NHC) on Saturday morning at 5:00 am, the storm is due to pass over or near the islands by late Sunday or early Monday.

The storm is travelling west north-westward over the tropical Atlantic and carries maximum sustained winds of 75 miles per hour (120 kilometres per hour).

Information is as follows:

BULLETIN
Hurricane Beryl Advisory Number   8
NWS National Hurricane Center Miami FL       AL022018
500 AM AST Sat Jul 07 2018

...BERYL MOVING WEST-NORTHWESTWARD OVER THE TROPICAL ATLANTIC...

SUMMARY OF 500 AM AST...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...11.1N 49.8W
ABOUT 830 MI...1330 KM ESE OF THE LESSER ANTILLES
MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/H
PRESENT MOVEMENT...WNW OR 285 DEGREES AT 14 MPH...22 KM/H
MINIMUM CENTRAL PRESSURE...995 MB...29.39 INCHES

WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:

The Government of St. Lucia has issued a Tropical Storm Watch for St. Lucia.

The Government of Barbados has issued a Tropical Storm Watch for Barbados.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

A Hurricane Watch is in effect for...
* Dominica

A Tropical Storm Watch is in effect for...
* Barbados
* St. Lucia
* Martinique
* Guadeloupe
* St. Martin
* St. Barthelemy

A Hurricane Watch means that hurricane conditions are possible within the watch area.

A Tropical Storm Watch means that tropical storm conditions are possible within the watch area.

Interests elsewhere in the Lesser Antilles should monitor the progress of Beryl, as additional watches could be required for other islands later today.

For storm information specific to your area, please monitor products issued by your national meteorological service.

DISCUSSION AND OUTLOOK
----------------------
At 500 AM AST (0900 UTC), the center of Hurricane Beryl was located near latitude 11.1 North, longitude 49.8 West. Beryl is moving toward the west-northwest near 14 mph (22 km/h). 

A west-northwestward motion with some increase in forward speed is expected during the next few days. 

On the forecast track, the center of Beryl will approach the Lesser Antilles over the weekend and cross the island chain late Sunday or Monday.

Maximum sustained winds are near 75 mph (120 km/h) with higher gusts.  Due to the small size of the hurricane, short-term changes in intensity, up or down, could occur over the next day or two, but Beryl is forecast to be near hurricane strength as it nears the Lesser Antilles. 

Weakening is expected once Beryl reaches the eastern Caribbean Sea on Monday, but the system may not degenerate into an open trough until it reaches the vicinity of Hispaniola and the central Caribbean Sea on Tuesday or Wednesday.

Beryl 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 35 miles (55 km).

The estimated minimum central pressure is 995 mb (29.39 inches).

HAZARDS AFFECTING LAND
----------------------
WIND:  Tropical storm or hurricane conditions are possible within the watch areas by late Sunday or Monday.

RAINFALL:  Beryl is expected to produce total rain accumulations of 2 to 4 inches through Sunday across the southern Leeward Islands and northern Windward Islands, including Guadeloupe, Dominica, Martinique, St. Lucia, and Barbados. Elsewhere across the northern Leeward and southern Windward Islands, rainfall amounts of 2 inches
or less are expected.

NEXT ADVISORY
-------------
Next intermediate advisory at 800 AM AST.
Next complete advisory at 1100 AM AST.

 

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