TXPN24 KNES 281510 SIMWIR A. 04W (SONGDA) B. 28/1432Z C. 27.2N D. 127.6E E. THREE/MTSAT F. T4.0/5.0/W1.5/24HRS G. IR/EIR/SWIR/SSMIS H. REMARKS...SONGDA IS RAPIDLY MOVING ALONG THE RYUKYU ISLAND CHAIN IN FIRST STAGES OF EXTRATROPICAL TRANSITION. CENTER APPEARS BASED ON MI SWIR AND SFC WINDS REPORTS THAT IT IS STILL LOCATED UNDER THE CONVECTIVE SHIELD. DT OF 3.5 IS GIVEN FOR SHEAR METHOD. MET IS RAPID WEAKENING FOR 3.5. PT IS 3.5. FT IS 4.0 BASED ON RW THRESHOLD OF 1.5/12HRS. CI HELD UP 1.0 GREATER THAN FT AT 5.0. POSITION ACCURATE TO WITHIN 40 NM (74 KM). I. ADDL POSITIONS 28/0903Z 25.8N 125.9E SSMIS 28/1016Z 26.0N 126.0E SSMIS 28/1135Z 26.3N 126.6E SSMIS ...GALLINA