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Tropical Storm Laura Intermediate Advisory Number 15A
NWS National Hurricane Center Miami FL AL132020
200 PM EDT Sun Aug 23 2020
...LAURA HEADING TOWARD EASTERN CUBA...
...HEAVY RAINFALL AND LIFE-THREATENING FLASH FLOODING CONTINUES
OVER PORTIONS OF THE DOMINICAN REPUBLIC AND HAITI...
SUMMARY OF 200 PM EDT...1800 UTC...INFORMATION
ABOUT 55 MI...90 KM S OF THE EASTERN TIP OF CUBA
ABOUT 80 MI...130 KM SE OF GUANTANAMO CUBA
MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H
PRESENT MOVEMENT...WNW OR 285 DEGREES AT 21 MPH...33 KM/H
MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES
WATCHES AND WARNINGS
CHANGES WITH THIS ADVISORY:
The government of the Dominican Republic has discontinued the
Tropical Storm Warning along the south coast of the Dominican
Republic and has discontinued the warning along the north coast of
the Dominican Republic east of Samana.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Tropical Storm Warning is in effect for...
* The northern coast of the Dominican Republic from Samana to
the border with Haiti
* Entire coast of the Haiti
* The southeastern Bahamas and the Turks and Caicos Islands
* Cuban provinces of Camaguey, Las Tunas, Holguin, Guantanamo,
Santiago de Cuba, Granma, Ciego De Avila, Sancti Spiritus, Villa
Clara, Cienfuegos, Matanzas, Mayabeque, La Habana, Artemisa, Pinar
del Rio, and the Isle of Youth
A Tropical Storm Watch is in effect for...
* The central Bahamas
* Andros Island
* Florida Keys from Ocean Reef to Key West and the Dry Tortugas
* Florida Bay
The Tropical Storm Warning means that tropical storm conditions are
expected somewhere within the warning area, in this case within the
next 12 to 24 hours.
A Tropical Storm Watch means that tropical storm conditions are
possible within the watch area, in this case within the next 24
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 of the United States, please monitor products issued by
your national meteorological service.
DISCUSSION AND OUTLOOK
At 200 PM EDT (1800 UTC), the center of Tropical Storm Laura was
located near latitude 19.4 North, longitude 74.3 West. Laura is
moving toward the west-northwest near 21 mph (33 km/h), and this
general motion with some decrease in forward speed is expected over
the next couple of days. A turn toward the northwest is foreast on
Wednesday. On the forecast track, the center of Laura will move
near or over Cuba tonight and Monday, and move over the southeastern
Gulf of Mexico Monday night and Tuesday. Laura is expected to move
over the central and northwestern Gulf of Mexico Tuesday night and
Maximum sustained winds are near 50 mph (85 km/h) with higher
gusts. Little change in strength is forecast while Laura moves near
Cuba. However, strengthening is forecast after the storm moves over
the Gulf of Mexico, and Laura is forecast to become a hurricane late
Tuesday or Tuesday night.
Tropical-storm-force winds extend outward up to 140 miles (220 km)
from the center.
The estimated minimum central pressure is 1004 mb (29.65 inches).
HAZARDS AFFECTING LAND
RAINFALL: Laura is expected to produce the following rainfall
accumulations through Tuesday:
Dominican Republic, Haiti and Cuba: 4 to 8 inches, with maximum
amounts of 12 inches.
Jamaica: 2 to 4 inches, with maximum amounts of 6 inches.
This heavy rainfall could lead to life-threatening flash and urban
flooding, and the potential for mudslides across the Greater
Florida Keys, Turks and Caicos and southeast Bahamas: 1 to 3 inches.
WIND: Tropical storm conditions are expected within portions of
the warning area in the Dominican Republic and Haiti through
this evening. Tropical storm conditions are expected within
portions of the warning area in Cuba later today through Monday.
Tropical storm conditions are possible within portions of the watch
area tonight through Monday evening.
SURF: Swells generated by Laura are affecting portions of Puerto
Rico, Hispaniola, eastern Cuba, the southeastern Bahamas and the
Turks and Caicos Islands. These swells are expected to spread
across central and western Cuba, the central and northwestern
Bahamas, and the Florida Keys during the next couple of days.
Please consult products from your local weather office.
Next complete advisory at 500 PM EDT.