<P> Early on December 15 , the system crossed west of 135 ° E and entered the Philippine Atmospheric , Geophysical and Astronomical Services Administration 's ( PAGASA ) area of responsibility . Upon doing so , PAGASA began issuing advisories and assigned the cyclone with the local name Sendong . Shortly thereafter , the storm passed close to or over Palau . By 0600 UTC , the JMA upgraded the system to tropical storm status , at which time they assigned it with the name Washi . Maintaining a rapid westward track , Washi slowly became more organized , with low - level inflow improving during the latter part of December 15 . On December 16 , Washi reached its peak strength as a severe tropical storm and made its first landfall along the east coast of Mindanao . </P>
<P> Early on December 15 , the system crossed west of 135 ° E and entered the Philippine Atmospheric , Geophysical and Astronomical Services Administration 's ( PAGASA ) area of responsibility . Upon doing so , PAGASA began issuing advisories and assigned the cyclone with the local name Sendong . Shortly thereafter , the storm passed close to or over Palau . By 0600 UTC , the JMA upgraded the system to tropical storm status , at which time they assigned it with the name Washi . Maintaining a rapid westward track , Washi slowly became more organized , with low - level inflow improving during the latter part of December 15 . On December 16 , Washi reached its peak strength as a severe tropical storm and made its first landfall along the east coast of Mindanao . </P>
when did sendong enter the philippine area of responsibility
when did sendong enter the philippine area of responsibility
Early on December 15
Early on December 15