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Tropical Storm Fiona Intermediate Advisory Number 9A
NWS National Hurricane Center Miami FL AL072022
200 PM AST Fri Sep 16 2022
...FIONA'S CENTER APPROACHING GUADELOUPE...
...TROPICAL STORM CONDITIONS EXPECTED TO BEGIN IN PORTIONS OF THE
LEEWARD ISLANDS DURING THE NEXT FEW HOURS...
SUMMARY OF 200 PM AST...1800 UTC...INFORMATION
ABOUT 75 MI...120 KM E OF GUADELOUPE
MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H
PRESENT MOVEMENT...W OR 275 DEGREES AT 14 MPH...22 KM/H
MINIMUM CENTRAL PRESSURE...1005 MB...29.68 INCHES
WATCHES AND WARNINGS
CHANGES WITH THIS ADVISORY:
The government of Antigua and Barbuda has upgraded the Tropical
Storm Watch for the British Virgin Islands to a Tropical Storm
The government of the Dominican Republic has issued a Tropical
Storm Watch for the south coast of the Dominican Republic from Cabo
Engano westward to Barahona, and for the north coast from Cabo
Engano westward to Cabo Frances Viejo.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Tropical Storm Warning is in effect for...
* Antigua, Barbuda, St. Kitts, Nevis, Montserrat, and Anguilla
* Saba and St. Eustatius
* St. Maarten
* Guadeloupe, St. Barthelemy, and St. Martin
* Puerto Rico, including Vieques and Culebra
* U.S. Virgin Islands
* British Virgin Islands
A Tropical Storm Watch is in effect for...
* South coast of the Dominican Republic from Cabo Engano westward to
* North coast of the Dominican Republic from Cabo Engano westward
to Cabo Frances Viejo
A Tropical Storm Warning means that tropical storm conditions are
expected somewhere within the warning area within 36 hours.
A Tropical Storm Watch means that tropical storm conditions are
possible within the watch area, generally within 48 hours.
Interests elsewhere in Hispaniola should monitor the progress of
this system. Additional watches or warnings could be required
tonight or on Saturday.
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
DISCUSSION AND OUTLOOK
At 200 PM AST (1800 UTC), the center of Tropical Storm Fiona was
located near latitude 16.2 North, longitude 60.3 West. Fiona is
moving toward the west near 14 mph (22 km/h). A westward motion
with a decrease in forward speed is expected through early Sunday,
followed by a turn toward the west-northwest and northwest Sunday
and Sunday night. On the forecast track, the center of Fiona is
expected to move across the Leeward Islands tonight, near or just
south of the Virgin Islands and Puerto Rico Saturday into Sunday,
and approach the southern coast of the Dominican Republic Sunday
night and early Monday.
Maximum sustained winds are near 50 mph (85 km/h) with higher gusts.
Gradual strengthening is forecast during the next few days.
Tropical-storm-force winds extend outward up to 140 miles (220 km)
from the center.
The estimated minimum central pressure is 1005 mb (29.68 inches).
HAZARDS AFFECTING LAND
Key messages for Tropical Storm Fiona can be found in the Tropical
Cyclone Discussion under AWIPS header MIATCDAT2 and WMO header
WTNT42 KNHC and on the web at hurricanes.gov/text/MIATCDAT2.shtml.
WIND: Tropical storm conditions are expected across portions of
the Leeward Islands within the warning area beginning this
afternoon and continuing through Saturday. Tropical storm
conditions will spread westward to the U.S. and British Virgin
Islands on Saturday, and across Puerto Rico late Saturday and
Saturday night. Tropical storm conditions are possible on Dominica
this evening or tonight and across the watch area in the Dominican
Republic beginning late Sunday.
RAINFALL: Fiona is forecast to produce the following rainfall
Leeward Islands and Northern Windward Islands: 3 to 6 inches.
British and U.S. Virgin Islands: 4 to 6 inches
Puerto Rico: 4 to 8 inches with maximum totals of 12 inches,
particularly across eastern and southern Puerto Rico.
Eastern Dominican Republic: 6 to 10 inches with maximum totals of 16
Turks and Caicos: 4 to 8 inches
These rains may produce flash and urban flooding, along with
mudslides in areas of higher terrain, particularly southern and
eastern Puerto Rico and the eastern Dominican Republic.
STORM SURGE: Localized coastal flooding will be possible along the
coasts of the U.S. Virgin Islands and Puerto Rico in areas of
onshore winds Saturday into Sunday.
SURF: Swells generated by Fiona are affecting the Leeward and
northern Windward Islands, and are expected to spread westward to
the Virgin Islands and Puerto Rico today. Swells will then reach the
northern coast of Hispaniola, the Turks and Caicos Islands, and the
southeastern Bahamas over the weekend. These conditions could cause
life-threatening surf and rip current conditions. Please consult
products from your local weather office.
Next complete advisory at 500 PM AST.