Thursday, July 28, 2011

Tropical Storm Nock-Ten Update #17

For updates on Tropical Storm Muifa (Kabayan), please read our other post.

Tropical Storm Nock-Ten (formerly Bagyong Juaning) is now moving closer to Hainan. It was last located approximately 470km south southwest of Hong Kong or about 300km (?) east of Hainan Island. Maximum sustained winds have increased to 100kph gusting to 130kph. Nock-Ten is moving westward at 25kph.

Outer rainbands have been affecting the Chinese Province as early as last night. Latest reports from Haikou airport indicate increasing northerly winds and lowering pressures. Radar from CMA also shows light to moderate rain overspreading much of the island and extends as far north as Leizhou Peninsula.

We are forecasting Nock-Ten to make landfall within the next 6 hours. Strong winds and very heavy rainfall that could cause landslides and flashfloods should be expected. The southern portion of Guangdong Province will also feel the effects of Nock-Ten as its outer rainbands make their way to the Chinese Mainland.

Nock-Ten will exit Hainan into the Gulf of Tonkin by late Friday night (Philippine Time). It will then make a second landfall in the northeastern part of Vietnam (about 150km southeast of Hanoi) by Saturday night or very early Sunday morning (again, Philippine Time). Nock-Ten will rapidly dissipate by Sunday over Northern Vietnam/Laos.

Updated forecast track map at 3pm today!
Issued (23 UTC) 7am PhT 072911

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