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Tropical Storm Meari (07W), Philippines

16.8N 123.3E

June 24th, 2011 Category: Tropical Storms

Tropical Storm Meari (07W) - June 21st, 2011

Enhanced image

Track of TS 07W - June 23rd, 2010 © Univ. of Wisconsin

Track of TS 07W

Early on June 20, an area of low pressure about 760 km (470 miles), east of the Philippines began to be monitored by both the JTWC and JMA.

That evening, the JTWC issued a Tropical Cyclone Formation Alert. Soon afterwards, PAGASA upgraded the system into a tropical depression, naming it as “Falcon”. At the time of the upgrade, Falcon was located about 1000 km (620 miles), east northeast of Cebu City.

During the evening of June 21, the JTWC also reported that Falcon had strengthened into a tropical depression. On June 22, both the JTWC and the JMA upgraded Falcon into a tropical storm, and the JMA named it Meari.

Tropical Storm Meari (07W), located approximately 435 south-southwest of Kadena Air Base, Japan, has tracked north-northwestward at 14 knots over the past six hours. Numerous small-scale vortices continue to develop along and rotate around its periphery.

However, the center of the broader circulation has consolidated a bit over the past six hours and is therefore more readily identified than it was at the time this image was acquired. The current intensity estimate is 45 knots, and maximum significant wave height is 19 feet. The system is tracking poleward along the western periphery of a subtropical steering ridge to the east.

TS 07W will continue to track poleward along the western periphery of the current steering ridge
through the forecast period. moderate vertical wind shear and subsidence aloft introduced by interaction with an upper-level low will vie with strong equatorward outflow to limit the intensification rate for the next 36 hours. Between TAU 48 and TAU 72, the system will undergo extratropical transition and weaken under the influence of increasing vertical wind shear and passage over cooler water.

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