Typhoon Kalmaegi moved over the Sulu Sea on Tuesday.  At 4:00 a.m. EST on Tuesday the center of Typhoon Kalmaegi was located at latitude 10.5°N and longitude 121.3°E which put the center about 130 miles (210 km) east-southeast of Taytay, Philippines.  Kalmaegi was moving toward the west at 16 m.p.h. (26 km/h).  The maximum sustained wind speed was 80 m.p.h. (130 km/h) and there were wind gusts to 100 m.p.h. (160 km/h).  The minimum surface pressure was 985 mb.

Typhoon Kalmaegi weakened as it moved across the central Philippines on Monday.  An eye was no longer visible on satellite images.  Thunderstorms were still occurring near the center of Kalmaegi’s circulation.  Thunderstorms were also occurring in bands in the southern half of Typhoon Kalmaegi.  Bands in the northern half of Kalmaegi’s circulation contained fewer thunderstorms.  Storms near the center of Kalmaegi still generated upper level divergence that pumped mass away to the west of the typhoon.  However, there was more mass converging in the lower levels of the atmosphere than there was mass diverging in the upper levels.  So, the surface pressure was increasing.

The size of the circulation around Typhoon Kalmaegi decreases as Kalmaegi weakened.  Winds to typhoon force extended out 30 miles (50 km) from the center of Kalmaegi’s circulation.  Winds to tropical storm force extended out 110 miles (170 km) from the center of Typhoon Kalmaegi.

Typhoon Kalmaegi will move through an environment somewhat favorable for intensification during the next 24 hours.  Kalmaegi will move over water where the Sea Surface Temperatures are near 29°C.  It will move under the southern part of an upper level ridge over the Western North Pacific Ocean.  The upper level ridge will produce easterly winds that will blow toward the top of Kalmaegi’s circulation.  Those winds will cause some vertical wind shear.  The vertical wind shear will inhibit intensification but the wind shear may not be enough to prevent intensification.  Typhoon Kalmaegi could start to intensify again during the next 24 hours.

Typhoon Kalmaegi will move around the southern side of a high pressure system over the Western North Pacific Ocean.  The high pressure system will steer Kalmaegi toward the west-northwest during the next 24 hours.  On its anticipated track, Typhoon Kalmaegi will pass near northern Palawan in a few hours.  Kalmaegi will move over the South China Sea on Tuesday night.

Typhoon Kalmaegi will bring strong winds and locally heavy rain to northern Palawan and the Calamian Group of islands.  Heavy rain is likely to cause flash floods in some locations.

Elsewhere over the Western North Pacific Ocean, Tropical Depression 32W formed south of the Marianas.  At 4:00 a.m. EST on Tuesday the center of Tropical Depression 32W was located at latitude 9.5°N and longitude 142.7°E which put the center about 285 miles (460 km) south-southwest of Guam.  The tropical depression was moving toward the west at 11 m.p.h. (17 km/h).  The maximum sustained wind speed was 35 m.p.h. (55 km/h) and there were wind gusts to 45 m.p.h. (75 km/h).  The minimum surface pressure was 1000 mb.  It is forecast to strengthen.