Hurricane Jerry Intermediate Advisory Number 9A
NWS National Hurricane Center Miami FL AL102019
200 PM AST Thu Sep 19 2019
Meteorological Department of St. Maarten JerrySpecialBulletin7.pdf
SUMMARY OF 200 PM AST…1800 UTC…INFORMATION
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LOCATION…17.2N 55.2W
ABOUT 435 MI…700 KM E OF THE LEEWARD ISLANDS
MAXIMUM SUSTAINED WINDS…85 MPH…140 KM/H
PRESENT MOVEMENT…WNW OR 295 DEGREES AT 16 MPH…26 KM/H
MINIMUM CENTRAL PRESSURE…982 MB…29.00 INCHES
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Tropical Storm Watch is in effect for…
* Barbuda
* Anguilla
* 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, in this case within 36 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
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At 200 PM AST (1800 UTC), the eye of Hurricane Jerry was located by an Air Force Reserve Hurricane Hunter aircraft near latitude 17.2 North, longitude 55.2 West. Jerry is moving toward the west- northwest near 16 mph (26 km/h). A west-northwest motion at a similar 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, pass north of Puerto Rico on Saturday and be east of the southeastern Bahamas on Sunday.
Maximum sustained winds have increased to near 85 mph (140 km/h) with higher gusts. Jerry could strengthen during the next day before some weakening begins this weekend.
Hurricane-force winds extend outward up to 20 miles (30 km) from the center and tropical-storm-force winds extend outward up to 80 miles (130 km).
An Air Force Reserve Hurricane Hunter aircraft recently reported a minimum central pressure of 982 mb (29.00 inches).
WIND: Tropical storm conditions are possible within the watch areas by early Friday.
RAINFALL: Jerry is expected to produce 1 to 3 inches of rainfall, with isolated maximum totals of 4 to 6 inches from Barbuda northwest across St. Maarten/Anguilla into Anegada. Jerry is forecast to produce total rainfall accumulations of 1 to 2 inches with maximum amounts of 3 inches across the Virgin Islands and Puerto Rico.
SURF: Swells generated by Jerry are forecast to begin to affect portions of the northern Leeward Islands this afternoon. These swells are likely to cause life-threatening surf and rip current conditions.
Source: The Daily Herald https://www.thedailyherald.sx/islands/91022-jerry-getting-stronger
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