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Tropical Weather-Pacific of Saturday, July 21, 2018
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Eastern Pacific:
Looking at some tropical waves across the Pacific Basin
We are looking at several potential areas The first is a low pressure zone located about 1500 miles southwest of the southern tip of Baja California. Satellite imagery shows a disorganized area of showers and thunderstorms
associated with this low pressure center while it continues to follow towards the west. This characteristic will remain far from the land masses over the next few days.
The second area we monitor is a large area of showers and thunderstorms, well southwest of Acapulco, Mexico. As this disruption continues to move westward, other development and organizational activities will likely be underway this weekend as it moves into a warm water zone. and weak wind shear
. next week off the coast of Central America located well in western El Salvador and Nicaragua. This characteristic may develop early in the next
week as it moves to the west-northwest, away from the coasts of Central America.
In the Central Pacific Basin, we are also monitoring development potential. Satellite imagery shows an area of showers and thunderstorms associated with a large area of low pressure
currently located about 1,000 miles southeast of Hilo, Hawaii. Further development and organization of this depression is possible over the next few days as it continues to the west.
Western Pacific:
Ampil in the Western Pacific, Tropical Depression 13W Near the Philippines
As early as Saturday morning EDT, Ampil, which is classified as a severe tropical storm by the Japan Meteorological Agency, is centered about 140 miles northwest of Okinawa, Japan. Ampil moves northwest at about 20 mph and has sustained winds of nearly 50 mph.
Ampil, led by high-level high pressure near Korea and Japan, follows to the northwest as planned. Ampil could reach typhoon status by the time he enters the East China Sea on Saturday,
but he would barely meet this criterion as he does so
Continuing north-west, Ampil is expected to land Mainland China south of Shanghai Saturday evening or early Sunday, local time.
Tropical Depression 13W is formed about 335 miles northwest of Manila, Philippines. The system is pushing east-southeast at 9 mph with winds of 30 mph with gusts at 40 mph. 13W will just move
north of Luzon and bring heavy rains to the northern parts of the island as well as some gusty winds. This rain could cause localized flooding. Once this starts to push north, it will probably intensify and could become a typhoon as it travels to the east of Taiwan and targets mainland China. Precipitation and wind damage will be possible when the land reaches China early next week
Further east, a loosely organized organized Invest 96W exists about 175 miles offshore. southeast of Guam. While sea-surface temperatures are warm enough to support development,
upper-level winds remain an inhibitory factor. Late this weekend, as the system enters a more favorable environment, a better organization of this system will be possible. The system could pose a potential wind and rain threat to the Mariana Islands, including Guam. However, in the meantime, tropical development in the next 24 hours remains low
Meanwhile, a threat of rain will continue for the next 12-24 hours across northern Vietnam and northern and central parts of the country. Laos. Storm Son-tinh lingers in
the region with additional rainfall of up to 6 inches.
By AccuWeather.com Meteorologist Matthew Rinde
South Pacific:
No new information for this period. [19659002] —–
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