NWS National Hurricane Center Miami
800 AM AST Fri Sep 28 2018
…KIRK MOVING ACROSS THE EASTERN CARIBBEAN SEA…
…ASSOCIATED WEATHER STILL AFFECTING THE WINDWARD ISLANDS…
SUMMARY OF 800 AM AST…1200 UTC…INFORMATION
ABOUT 140 MI…225 KM WSW OF ST. LUCIA
ABOUT 160 MI…255 KM WSW OF MARTINIQUE
MAXIMUM SUSTAINED WINDS…50 MPH…85 KM/H
PRESENT MOVEMENT…W OR 280 DEGREES AT 12 MPH…19 KM/H
MINIMUM CENTRAL PRESSURE…1007 MB…29.74 INCHES
WATCHES AND WARNINGS
CHANGES WITH THIS ADVISORY:
The Government of France has discontinued the Tropical Storm Warning for Martinique and Guadeloupe, and the Meteorological Service of Barbados has discontinued the Tropical Storm Warning for Barbados and Dominica.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Tropical Storm Warning is in effect for…
* St. Lucia
A Tropical Storm Watch is in effect for…
* St. Vincent and the Grenadines
These watches and warnings will likely be gradually discontinued later today. Interest elsewhere in the central and northern Lesser Antilles should continue to monitor the progress of Kirk.
For storm information specific to your area, please monitor products issued by your national meteorological service.
DISCUSSION AND OUTLOOK
At 800 AM AST (1200 UTC), the center of Tropical Storm Kirk was located near latitude 13.5 North, longitude 63.0 West. Kirk is moving generally toward the west near 12 mph (19 km/h), and this motion is expected to continue during the next day or two. On the
forecast track, the center of Kirk or its remnants will move across the eastern and central Caribbean Sea over the next day or two.
Maximum sustained winds are near 50 mph (85 km/h) with higher gusts. Kirk is forecast to weaken to a tropical depression later today or Saturday, and then degenerate into a trough of low pressure by late Saturday.
Tropical-storm-force winds extend outward up to 115 miles (185 km) to the north and east of the center.
The latest minimum central pressure reported by an Air Force Reserve Hurricane Hunter aircraft is 1007 mb (29.74 inches).
HAZARDS AFFECTING LAND
WIND: Tropical storm conditions should continue over the warning area this morning. Tropical storm conditions are possible within the watch area during the next several hours. Squalls with wind gusts to tropical-storm force are possible over the remainder of the Windward Islands and the southern Leeward Islands today. Locally higher winds are likely atop and on the windward sides of hills and mountains.
RAINFALL: Kirk is expected to produce total rainfall of 4 to 6 inches across the northern Windward and southern Leeward Islands with isolated maximum totals up to 10 inches across Martinique and Dominica. These rains may produce life-threatening flash floods and mudslides. Across Saint Croix and eastern Puerto Rico, Kirk is expected to bring 2 to 4 inches with isolated maximum totals of 6 inches today and Saturday.
Source: The Daily Herald https://www.thedailyherald.sx/islands/81110-tropical-storm-kirk-intermediate-advisory-number-18a