190900Z POSITION NEAR 11.2N 118.6E. TROPICAL DEPRESSION 26W (TWENTYSIX), LOCATED APPROXIMATELY 283 NM SOUTHWEST OF MANILA, PHILIPPINES, HAS TRACKED NORTHEASTWARD AT 10 KNOTS OVER THE PAST SIX HOURS. ANIMATED MULTISPECTRAL SATELLITE IMAGERY SHOWS THE SYSTEM HAS BECOME DISORGANIZED AS THE LOW LEVEL CIRCULATION UNRAVELED AND THE CONVECTION SHEARED WESTWARD. THE INITIAL POSITION AND INTENSITY ARE EXTRAPOLATED FROM A 4-HOUR OLD ASCAT PASS AND THE 190451Z GPM MICROWAVE PARTIAL PASS WITH LOW CONFIDENCE. UPPER LEVEL ANALYSIS INDICATES THE SYSTEM IS IN AN AREA OF STRONG 25-KNOT EASTERLY VERTICAL WIND SHEAR AND SUBSIDENCE ASSOCIATED WITH THE OUTFLOW FROM TYPHOON 25W 795 NM TO THE EAST-NORTHEAST. DUE TO THE HARSH ENVIRONMENT, TD 26W IS EXPECTED TO DISSIPATE BY TAU 12 AS IT DRAGS ACROSS THE CENTRAL PHILIPPINE ARCHIPELAGO. THIS IS THE FINAL WARNING ON THIS SYSTEM BY THE JOINT TYPHOON WRNCEN PEARL HARBOR HI. THE SYSTEM WILL BE CLOSELY MONITORED FOR SIGNS OF REGENERATION. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 190600Z IS 8 FEET. REFER TO TYPHOON 25W (LAN) WARNINGS (WTPN32 PGTW) FOR SIX-HOURLY UPDATES.
