Tropical Storm Conditions and Heavy Rains Expected Over the Leeward Islands Friday Afternoon as Fiona Continues Its Westward Track
Florida - Friday September 16, 2022: Tropical Storm conditions and heavy rains are expected to reach the Leeward Islands Friday afternoon and evening as Fiona continues its westward track at 15 mph.
Then by Saturday, or Saturday night, and into Sunday morning, Tropical Storm conditions are likely across the British and U.S. Virgin Islands and Puerto Rico. Eastern Hispaniola should come under similar conditions by Sunday as well.
This rainfall may produce considerable flood impacts including flash and urban flooding, along with mudslides in areas of higher terrain particularly southern Puerto Rico and eastern Dominican Republic.
LOCATION: As of 8 am Friday the National Hurricane Center located the center of Tropical Storm Fiona near 15.8N and 58.8W, about 175 miles east of Guadeloupe.
TRACK: The storm is expected to maintain its westward track with a gradual decrease in speed as it moves across the Leeward Islands Friday afternoon through Saturday, and then passes near or just south of the Virgin Islands and Puerto Rico late Saturday into Sunday.
Later on Sunday, when Fiona reaches the island of Hispaniola, its forecast to turn toward the west-northwest. The Turks and Caicos will come under the storm MOnday night into Tuesday. The Forecast track predictions after that vary, although most take the storm away from the Florida peninsula, and AccuWeather predicts landfall on the U.S. mainland is unlikely.
Fiona remains a sheared tropical cyclone as noted by the its fully exposed center to the west of a large area of numerous moderate to isolated strong convection.
RAINFALL: Fiona is expected to produce the following rainfall totals:
-Northern Leeward Islands, the British and U.S. Virgin Islands and Puerto Rico: 4 to 6 inches with isolated maximum totals of 10 inches across eastern Puerto Rico.
-Eastern Hispaniola: 4 to 8 inches with isolated maximum totals of 12 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.
These rains may produce flash and urban flooding, along with isolated mudslides in areas of higher terrain. Considerable flood impacts are possible across eastern portions of Puerto Rico.
WINDS: Maximum sustained wind speeds remain at 50 mph, with gusts up to 63 mph. Tropical-storm-force winds extend outward up to 125 miles from the center.
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.
WAVES: Wave heights are currently peaking at 20 to 22 feet near and northeast of the center. The radii of wave heights 12 ft or greater extends outward from the center of Fiona to 270 nautical miles in the NE quadrant and 240 nautical miles in the NW quadrant.
SURF: Swells generated by Fiona are beginning to affect the Leeward Islands and will spread westward to the Virgin Islands and Puerto Rico on Friday and Saturday. These swells could cause life-threatening surf and rip current conditions.
WATCHES AND WARNINGS
Tropical Storm Warning:
* Antigua, Barbuda, St. Kitts, Nevis, Montserrat, and Anguilla
* Saba and St. Eustatius
* St. Maarten
* Guadeloupe, St. Barthelemy, and St. Martin
>A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area within 36 hours.
Tropical Storm Watch:
* Puerto Rico, including Vieques and Culebra
* U.S. Virgin Islands
* British Virgin Islands
>A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, generally within 48 hours.