Gaston Continues to Strengthen
Gaston Continues to Strengthen
As we watch Gaston this afternoon it is clear that the shearing that was effecting it is gone and the satellite loop shows a central dense overcast as developed and a strong inner core has formed. Satellite loops and estimates suggest Gaston will become a hurricane tonight. Gaston continues to move to the northwest as it approaches 55 degrees west. With Gaston forecast to get a little further west on some models and slow down some over the next 2 days, some rough surf is likely to develop along the east coast early next week.
..GASTON SHOULD BECOME A HURRICANE AGAIN LATER TONIGHT... SUMMARY OF 500 PM AST...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...29.2N 54.0W ABOUT 675 MI...1085 KM ESE OF BERMUDA MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/H PRESENT MOVEMENT...NW OR 320 DEGREES AT 9 MPH...15 KM/H MINIMUM CENTRAL PRESSURE...993 MB...29.33 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ At 500 PM AST (2100 UTC), the center of Tropical Storm Gaston was located near latitude 29.2 North, longitude 54.0 West. Gaston is moving toward the northwest near 9 mph (15 km/h), and this motion accompanied by a gradual decrease in forward speed is expected during the next couple of days. Maximum sustained winds are near 70 mph (110 km/h) with higher gusts. Strengthening is forecast during the next 48 hours, and Gaston is expected to become a hurricane later tonight. Tropical-storm-force winds extend outward up to 150 miles (240 km) from the center. The estimated minimum central pressure is 993 mb (29.33 inches). HAZARDS AFFECTING LAND ----------------------
Hurricane Gaston and Invest 99L & 91L
Elsewhere we continue to watch disturbed weather over the Bahamas where thunderstorms have been increasing all day long but the weak low pressure area remains a bit disorganized. Once this system reaches the Eastern Gulf of Mexico conditions are more favorable for development but models still remain mixed as to whether this system develops at all. We will continue to monitor this and it appears there are no tropical storm issues for Florida at least through Sunday.
Low pressure also sits about 500 miles southeast of the Carolinas. This system is producing winds of 30 to 35 mph but a central core of thunderstorms has yet to develop. Given that there is lots of dry air around this system, development will be slow over the next few days as it drifts to the west northwest.
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