Tropical Storm 04W rapidly instensify as it moves toward Yap-Ulithi Island

Tropical Storm 04W

 ------------------------------------------------------------------

12 P.M PST 05/21/2011

--------------------------------------------------------

• 8.9N 138.5E
• 83.925 km. Southeast of Yap
• barely moving westward @ 09 kph
• heading toward Ulithi-Yap Island
• maximum sustained wind: 65 kph
• gustiness winds: 83 kph
• minimum sea level pressure: 998 mb
• maximum significant wave height: 12 feet

Tropical Depression 04W just upgraded to Tropical Storm as it rapidly intensify for the past 6 hours. Numerical weather guidance models  support the intensification as it moves toward the Philippine Sea as a minimal Typhoon within the next 2-3 days due to it's favorable warm sea surface temperatures.