Thursday, June 20, 2013

Tropical Storm Leepi Update #8

Issued (1130 UTC) 730pm PhT 0620113

Tropical Storm Leepi is now accelerating northward towards Mainland Japan. The storm was last located approximately 430km northwest of Okinawa. Maximum sustained winds remain at 65kph with gusts of up to 85kph. TS Leepi is moving northward at 30kph.

IR Image from NRLMRY

Latest satellite image shows the low-level center is starting to move away from the main-convection which is also becoming weaker by the hour. Satellite analysis still shows strong winds around the periphery that is why we're keeping Leepi as a Tropical Storm. Due to the weakening nature of the storm, there hasn't been much rain for Okinawa although winds of 40 to 50kph have been reported in an around the region.

Tropical Storm Leepi is forecast to start turning northeastward; it is also forecast to weaken to a Tropical Depression as it begins to feel the effects of strong westerly winds. A frontal boundary that is currently bringing widespread rains across Shikoku and Honshu will interact with Leepi further weakening the storm and influencing it to transition into an extra-tropical cyclone. Leepi is forecast to begin impacting Kyushu by tomorrow morning.

We'll have another update tomorrow.

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