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  • NASA Satellites Track Tropical Cyclone Kai‑Tak as It Moves Toward the South China Sea
    NASA Satellites Track Tropical Cyclone Kai‑Tak as It Moves Toward the South China Sea

    On Dec. 16 at 12 a.m. EST (0500 UTC) NASA-NOAA's Suomi NPP satellite passed over Tropical Storm Kai-Tak moving through the central Philippines. Credit: NASA/NOAA

    Two NASA satellites provided a look at Tropical Cyclone Kai-Tak when it was moving through the central Philippines and fizzling just west of Palawan in the South China Sea.

    On Dec. 16 at 12 a.m. EST (0500 UTC) NASA-NOAA's Suomi NPP satellite passed over Tropical Storm Kai-Tak when it was at tropical storm strength moving through the central Philippines. The Visible Infrared Imaging Radiometer Suite (VIIRS) instrument aboard NASA-NOAA's Suomi NPP satellite captured a visible image of the storm that depicted a somewhat elongated system. The interaction with land areas weakened the storm as it moved west through the Philippine archipelago.

    On Dec. 17 at 12:30 p.m. EST (Dec. 18 at 1:30 a.m. local time Philippines), the Moderate Resolution Imaging Spectroradiometer or MODIS instrument aboard NASA's Aqua satellite captured a visible image of Kai-Tak. By that time, Kai-Tak was an amorphous-looking depression that continued to weaken. Kai-Tak was being battered by easterly vertical wind shear that was pushing the clouds and thunderstorms west of the center of circulation.

    On Dec. 18 at 4 a.m. EST (0900 UTC) the Joint Typhoon Warning Center (JTWC) issued the final bulletin on Kai-Tak as it was dissipating over the South China Sea, just east of the island of Palawan. Kai-Tak was located near 10.3 degrees north latitude and 118.5 degrees east longitude, about 280 nautical miles south-southwest of Manila, Philippines. Maximum sustained winds dropped to 25 knots (28.7 mph/46.3 kph) and Kai-Tak was moving to the southwest at 7 knots (8 mph/13 kph).

    The Joint Typhoon Warning Center predicts that Kai-Tak will move west-southwestward. JTWC noted "The system has become exposed to a widespread gale-force northeasterly wind surge causing increase vertical wind shear which will lead to dissipation by 24 hours."

    NASA Satellites Track Tropical Cyclone Kai‑Tak as It Moves Toward the South China Sea

    On Dec. 17 at 12:30 p.m. EST (Dec. 18 at 1:30 a.m. local time Philippines) NASA's Aqua satellite captured a visible image of Kai-Tak. Kai-Tak was an amorphous-looking depression that continued to weaken. Credit: NASA Goddard MODIS Rapid Response Team




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