Tropical Storm Jerry Intermediate Advisory Number 8A
NWS National Hurricane Center Miami
800 AM AST Thu Sep 19 2019
SUMMARY OF 800 AM AST…1200 UTC…INFORMATION
ABOUT 525 MI…845 KM E OF THE LEEWARD ISLANDS
MAXIMUM SUSTAINED WINDS…70 MPH…110 KM/H
PRESENT MOVEMENT…WNW OR 290 DEGREES AT 16 MPH…26 KM/H
MINIMUM CENTRAL PRESSURE…995 MB…29.39 INCHES
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Tropical Storm Watch is in effect for…
* St. Maarten
* St. Martin
* St. Barthelemy
* Saba and St. Eustatius
A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, generally within 48 hours.
Interests elsewhere in the northern Leeward Islands should monitor the progress of Jerry. Additional watches could be issued later today.
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 Jerry was located near latitude 16.4 North, longitude 53.9 West. Jerry is moving toward the west-northwest near 16 mph (26 km/h). A west-northwest motion at a slightly faster forward speed is expected over the next few days. On the forecast track, the center of Jerry will be near or north of the northern Leeward Islands Friday and pass north of Puerto Rico on Saturday.
The Meteorological Department of St. Maarten (MDS) put the of centre about 615 miles east-southeast of the country. It’s expected to pass approximately 110 miles to the north of the island on Friday night. Effects of this system will begin on St. Maarten by Friday.
Maximum sustained winds remain near 70 mph (110 km/h) with higher gusts. Jerry is forecast to become a hurricane later today, with little change in strength anticipated on Friday or Saturday.
Tropical-storm-force winds extend outward up to 45 miles (75 km) from the center.
The estimated minimum central pressure is 995 mb (29.39 inches).
WIND: Tropical Storm conditions are possible within the watch areas by early Friday.
RAINFALL: Jerry is expected to produce total rainfall accumulations of 1 to 2 inches with maximum amounts of 3 inches across the northern Leeward Islands, the Virgin Islands, and Puerto Rico.
SURF: Swells generated by Jerry are forecast to affect portions of the northern Leeward Islands by later today. These swells are likely to cause life-threatening surf and rip current conditions.
Source: The Daily Herald https://www.thedailyherald.sx/islands/91003-hurricane-hunters-on-the-way-to-jerry