Tropical Storm Parma (19W) Hits Vietnam
Tropical Storm 19W Parma, located approximately 130 nm east-southeast of Hanoi, Vietnam, has tracked westward at 05 knots over the past six hours.
Animated multispectral satellite imagery shows a band of deep convection remains well defined on the southern periphery of Parma.
The combination of good upper level support with the system under the axis of an upper level subtropical ridge, providing good radial outflow, and interaction from land have helped to maintain the structure of this system without significant development over the past 06 hours.
Increased interaction with Vietnam will begin to hinder low level inflow, with a slow decrease in intensity over the next 24 hours. Landfall is expected around tau 24, with rapid weakening and complete dissipation by tau 36. Maximum significant wave height at 130600z is 11 feet.
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