Sunday, July 15, 2012

Tropical Depression 08W Update #1

Invest 91W has strengthened and is now a Tropical Depression. TD 08W was last located approximately 1150km east southeast of Okinawa, Japan. Maximum sustained winds are at 45kph with gusts of up to 65kph. The system is currently moving west northwestward at 20kph.

Satellite data continue to show an improving low-level circulation center with stronger winds beginning to wrap into the western half of the system. Furthermore, we saw an increase in convective activity overnight, particularly over the center. Atmospheric conditions in the area remain favorable for development and both JTWC and JMA are expecting it to become a Tropical Storm in the next 12 to 24 hours. Preliminary forecasts show TD 08W continuing to move in a WNW direction and could impact the Japanese Islands by Tuesday.

We'll have more analysis and detailed forecasts later in our afternoon update.
Issued (2230 UTC) 630am PhT 071612

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