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Hurricane Maria Intermediate Advisory Number 24A
NWS National Hurricane Center Miami FL AL152017
200 AM EDT Fri Sep 22 2017
...EYE OF MARIA GETTING CLOSER TO THE TURKS AND CAICOS ISLANDS...
...TORRENTIAL RAINS AND DANGEROUS HIGH WAVES CONTINUE ALONG THE
NORTH COAST OF HISPANIOLA...
SUMMARY OF 200 AM EDT...0600 UTC...INFORMATION
ABOUT 45 MI...70 KM ESE OF GRAND TURK ISLAND
ABOUT 100 MI...160 KM N OF PUERTO PLATA DOMINICAN REPUBLIC
MAXIMUM SUSTAINED WINDS...125 MPH...205 KM/H
PRESENT MOVEMENT...NW OR 320 DEGREES AT 7 MPH...11 KM/H
MINIMUM CENTRAL PRESSURE...959 MB...28.32 INCHES
WATCHES AND WARNINGS
CHANGES WITH THIS ADVISORY:
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Hurricane Warning is in effect for...
* Dominican Republic from Cabo Engano to Puerto Plata
* Turks and Caicos Islands and the Southeastern Bahamas
A Tropical Storm Warning is in effect for...
* Dominican Republic west of Puerto Plata to the northern border of
the Dominican Republic and Haiti
A Tropical Storm Watch is in effect for...
* Central Bahamas
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 Tropical Storm Watch means that tropical storm conditions are
possible within the watch area, generally within 48 hours.
Interests in the Bahamas should monitor the progress of Maria.
For storm information specific to your area, please monitor
products issued by your national meteorological service.
DISCUSSION AND 48-HOUR OUTLOOK
At 200 AM EDT (0600 UTC), the eye of Hurricane Maria was located
near latitude 21.2 North, longitude 70.5 West. Maria is moving
toward the northwest near 7 mph (12 km/h), but a motion toward the
north-northwest is anticipated later today and Saturday. On the
forecast track, Maria's eye will gradually move near or just east of
the Turks and Caicos Islands and southeastern Bahamas today.
Maximum sustained winds are near 125 mph (205 km/h) with higher
gusts. Maria is a category 3 hurricane on the Saffir-Simpson
Hurricane Wind Scale. Some fluctuations in intensity are likely
today and Saturday.
Hurricane-force winds extend outward up to 70 miles (110 km) from
the center and tropical-storm-force winds extend outward up to 160
miles (260 km).
The latest minimum central pressure reported by an Air Force
Reserve Hurricane Hunter aircraft is 959 mb (28.32 inches).
HAZARDS AFFECTING LAND
WIND: Tropical storm conditions continue across portions of the
Dominican Republic, but should begin to subside during the next
several hours. Hurricane conditions are spreading into the Turks
and Caicos Islands and the southeastern Bahamas and will continue
through today. Tropical storm conditions are possible in the
central Bahamas beginning late today.
STORM SURGE: A dangerous storm surge accompanied by large and
destructive waves will raise water levels by as much as 4 to 6 feet
above normal tide levels in the hurricane warning area in the
Dominican Republic, and 1 to 3 ft elsewhere along the northern
coasts of the Dominican Republic and Haiti.
A dangerous storm surge accompanied by large and destructive waves
will raise water levels by as much as 9 to 12 feet above normal
tide levels within the hurricane warning area of the southeastern
Bahamas and the Turks and Caicos Islands.
RAINFALL: Maria is expected to produce the following rainfall
accumulations through Saturday:
Puerto Rico...additional 4 to 8 inches, isolated maximum storm total
amounts 40 inches
Northern and eastern Dominican Republic, Turks and Caicos, and
Mayaguana in southeast Bahamas...8 to 16 inches, isolated 20 inches
Inagua Islands, Crooked Island, and rest of southeast Bahamas...4 to
Northern Haiti...4 to 8 inches
Rainfall on these islands will continue to cause life-threatening
flash floods and mudslides.
SURF: Swells generated by Maria are affecting Puerto Rico, the
Virgin Islands, the northern coast of Hispaniola, the Turks and
Caicos Islands, and the southeastern Bahamas. These swells will
reach the remainder of the Bahamas soon and should reach portions
of the United States southeastern coast today. These swells are
likely to cause life-threatening surf and rip current conditions.
Please consult products from your local weather office.
Next complete advisory at 500 AM EDT.