[Tropical] Public Tropical Cyclone Advisory

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WTNT32 KNHC 162048
TCPAT2

BULLETIN
Tropical Storm Fiona Advisory Number  10
NWS National Hurricane Center Miami FL       AL072022
500 PM AST Fri Sep 16 2022

...TROPICAL STORM CONDITIONS BEGINNING ON PORTIONS OF THE LEEWARD
ISLANDS...


SUMMARY OF 500 PM AST...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...16.4N 61.1W
ABOUT 20 MI...35 KM ENE OF GUADELOUPE
ABOUT 260 MI...420 KM ESE OF ST. CROIX
MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H
PRESENT MOVEMENT...W OR 280 DEGREES AT 15 MPH...24 KM/H
MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES


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

None.

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...
* Dominica
* South coast of the Dominican Republic from Cabo Engano westward to
Barahona
* 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
Fiona.  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 meteorological service.


DISCUSSION AND OUTLOOK
----------------------
At 500 PM AST (2100 UTC), the center of Tropical Storm Fiona was
located near latitude 16.4 North, longitude 61.1 West.  Fiona is
moving toward the west near 15 mph (24 km/h).  A westward to
west-northwestward motion with a decrease in forward speed is
expected through early Monday.  A turn toward the northwest is
forecast later on Monday.  On the forecast track, the center of
Fiona is expected to move across the Leeward Islands during the
next few hours, near or just south of the Virgin Islands and Puerto
Rico Saturday into Sunday, and approach the southern or eastern
coast of the Dominican Republic Sunday afternoon.  Fiona is
forecast to move across the Dominican Republic Sunday night and
Monday.

Maximum sustained winds are near 50 mph (85 km/h) with higher gusts.
Gradual strengthening is forecast during the next 48 hours or so
before the center of Fiona reaches the Dominican Republic on Sunday.

Tropical-storm-force winds extend outward up to 140 miles (220 km)
from the center.

Observations from Guadeloupe indicate that the minimum central
pressure is 1004 mb (29.65 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 beginning across portions of
the Leeward Islands within the warning area and will continue
through Saturday.  Tropical storm conditions will spread westward to
the U.S. and British Virgin Islands Saturday morning, and across
Puerto Rico Saturday afternoon and Saturday night.  Tropical storm
conditions are possible on Dominica this evening or tonight and
across the watch area in the Dominican Republic beginning Sunday
afternoon.

RAINFALL:  Fiona is forecast to produce the following rainfall
totals:

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.

Dominican Republic: 6 to 10 inches with maximum totals of 16 inches
possible

Haiti: 1 to 3 inches with isolated maximum totals of 5 inches

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:  The combination of storm surge and the tide will cause
normally dry areas near the coast to be flooded by rising waters
moving inland from the shoreline.  The water could reach the
following heights above ground somewhere in the indicated areas
in areas of onshore winds if the peak surge occurs at the time of
high tide...

Southern coast of Puerto Rico...1 to 2 ft

Localized coastal flooding is also possible elsewhere in Puerto
Rico and the U.S. Virgin Islands.  For information specific to your
area, please see products issued by your local National Weather
Service forecast office.

Storm surge will raise water levels by as much as 1 to 3 feet
above normal tide levels along the immediate coast in areas of
onshore winds in the Dominican Republic.

SURF:  Swells generated by Fiona are affecting the Leeward and
northern Windward Islands, and are beginning to reach the Virgin
Islands and Puerto Rico. 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 ADVISORY
-------------
Next intermediate advisory at 800 PM AST.
Next complete advisory at 1100 PM AST.

$$
Forecaster Berg
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