Hurricane Maria Advisory Number 14

NWS National Hurricane Center Miami FL AL152017
1100 AM AST Tue Sep 19 2017

…POTENTIALLY CATASTROPHIC HURRICANE MARIA CONTINUES WEST-
NORTHWESTWARD TOWARD THE VIRGIN ISLANDS AND PUERTO RICO…
…PREPARATIONS AGAINST LIFE-THREATENING STORM SURGE AND RAINFALL
FLOODING AND DESTRUCTIVE WINDS SHOULD BE RUSHED TO COMPLETION…

SUMMARY OF 1100 AM AST…1500 UTC…INFORMATION
———————————————–
LOCATION…16.3N 63.1W
ABOUT 115 MI…180 KM W OF GUADELOUPE
ABOUT 150 MI…240 KM SE OF ST. CROIX
MAXIMUM SUSTAINED WINDS…160 MPH…260 KM/H
PRESENT MOVEMENT…WNW OR 300 DEGREES AT 10 MPH…17 KM/H
MINIMUM CENTRAL PRESSURE…927 MB…27.37 INCHES

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WATCHES AND WARNINGS
——————–
CHANGES WITH THIS ADVISORY:

None.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

A Hurricane Warning is in effect for…
* Guadeloupe
* Dominica
* St. Kitts, Nevis, and Montserrat
* U.S. Virgin Islands
* British Virgin Islands
* Puerto Rico, Culebra, and Vieques

A Tropical Storm Warning is in effect for…
* Antigua and Barbuda
* Saba and St. Eustatius
* St. Maarten
* Anguilla
* Martinique

A Hurricane Watch is in effect for…
* Saba and St. Eustatius
* St. Maarten
* St. Martin and St. Barthelemy
* Anguilla
* Isla Saona to Puerto Plata

A Tropical Storm Watch is in effect for…
* West of Puerto Plata to the northern Dominican Republic-Haiti
border

A Hurricane Warning means that hurricane conditions are expected
somewhere within the warning area. Preparations to protect life and
property should be rushed to completion.

A Tropical Storm Warning means that tropical storm conditions are
expected somewhere within the warning area.

A Hurricane Watch means that hurricane conditions are possible
within the watch area. A watch is typically issued 48 hours before
the anticipated first occurrence of tropical-storm-force winds,
conditions that make outside preparations difficult or dangerous.

A Tropical Storm Watch means that tropical storm conditions are
possible within the watch area, generally within 48 hours.

Interests elsewhere in Hispaniola, the southeastern Bahamas, and
the Turks and Caicos Islands should monitor the progress of Maria.
Additional watches and warnings may be required today.

For storm information specific to your area in the United States,
including possible inland watches and warnings, please monitor
products issued by your local National Weather Service forecast
office. For storm information specific to your area outside the
United States, please monitor products issued by your national
meteorological service.

DISCUSSION AND 48-HOUR OUTLOOK
——————————
At 1100 AM AST (1500 UTC), the eye of Hurricane Maria was located
near latitude 16.3 North, longitude 63.1 West. Maria is moving
toward the west-northwest near 10 mph (17 km/h), and this general
motion is expected to continue through Wednesday night. On the
forecast track, the eye of Maria will move over the northeastern
Caribbean Sea today, and then pass near or over the Virgin Islands
and Puerto Rico on Wednesday.

Maximum sustained winds are near 160 mph (260 km/h) with higher
gusts. Maria is a potentially catastrophic category 5 hurricane on
the Saffir-Simpson Hurricane Wind Scale. Some fluctuations in
intensity are likely during the next day or two, but Maria is
forecast to remain an extremely dangerous category 4 or 5 hurricane
until it moves near or over the Virgin Islands and Puerto Rico.

Hurricane-force winds extend outward up to 35 miles (55 km) from the
center and tropical-storm-force winds extend outward up to 140 miles
(220 km). NOAA buoy 42060, located a little west of the center,
recently reported 1-min average winds of 69 mph (111 km/h) and a
wind gust of 83 mph (133 km/h).

The minimum central pressure based on data from an Air Force Reserve
Hurricane Hunter aircraft is 927 mb (27.37 inches).

Source: The Daily Herald https://www.thedailyherald.sx/islands/69513-hurricane-maria-advisory-number-14

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