Thursday, August 22, 2013

Tropical Storm Pewa Update #3

Issued (0430 UTC) 1230pm PhT 082313

Tropical Storm Pewa, the almost-forgotten cyclone, continues to struggle as it moves across the Northern Pacific Ocean. The center was last located approximately 880km north northeast of Wake Island. Maximum sustained winds are at 65kph with gusts of up to 85kph. TS Pewa is moving northward at 25kph.

VIS Image from NRLMRY

Latest Visible Satellite Image shows a badly sheared system with a very asymmetrical organization having the convection located mostly east of the center. The low-level circulation is also partially exposed although convective activity in and around it is still looking somewhat good. Strong wind shear and the presence of dry air in the region are making it a hostile environment for Pewa and could remain that way through the next few days.

While there are still some computer models that show Pewa intensifying in the future, we no longer expect it to become a strong Typhoon. In fact, the system could begin transitioning into an extra-tropical cyclone by this weekend. Furthermore, Pewa is not forecast to impact and land areas as it is located in the middle of the Pacific and is forecast to continue moving northward over the next few days.

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