...Depression in the eastern Caribbean Sea strengthens into Tropical Storm Omar...
a tropical storm watch is in effect for Puerto Rico and the U.S. Virgin Islands...the British Virgin Islands...and the extreme eastern portion of the Dominican Republic from Isla Saona to Cabo engano.
A tropical storm watch may be required later this afternoon for the islands of St. Martin...St. Eustatius...and Saba.
For storm information specific to your area...including possible inland watches and warnings...please monitor products issued by your local weather office.
At 1100 am AST...1500z...the center of Tropical Storm Omar was located by satellite and radar data from Curacao to be near latitude 14.0 north...longitude 69.0 west or about 355 miles...570 km... south-southwest of San Juan Puerto Rico and about 125 miles... 200 km...north of Curacao.
Omar is moving toward the east-southeast near 2 mph...4 km/hr. A gradual turn to the east and then northeast is forecast today... with a slow increase in forward speed expected on Wednesday.
Maximum sustained winds are near 40 mph...65 km/hr. Gradual strengthening is forecast over the next 48 hours.
Tropical storm force winds extend outward up to 70 miles... 110 km...mainly east through south of the center.
The estimated minimum central pressure is 1001 mb...29.56 inches.
Omar may produce total rainfall amounts of 4 to 8 inches over portions of the Netherlands Antilles...with maximum amounts of 12 inches possible. Rainfall amounts of 2 to 4 inches with maximum amounts of 6 inches are possible across extreme northwestern and north central Venezuela and the northern Guajira Peninsula. These rains could produce life-threatening flash floods and mud slides.
Repeating the 1100 am AST position...14.0 N...69.0 W. Movement toward...east-southeast near 2 mph. Maximum sustained winds...40
mph. Minimum central pressure...1001 mb.
An intermediate advisory will be issued by the National Hurricane Center at 200 PM AST followed by the next complete advisory at 500