WTPN32 PGTW 110900 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL DEPRESSION 03W (MEGI) WARNING NR 010// RMKS/ 1. TROPICAL DEPRESSION 03W (MEGI) WARNING NR 010 02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 110600Z --- NEAR 11.3N 124.0E MOVEMENT PAST SIX HOURS - 305 DEGREES AT 04 KTS POSITION ACCURATE TO WITHIN 015 NM POSITION BASED ON CENTER LOCATED BY A COMBINATION OF SATELLITE, RADAR AND SYNOPTIC DATA PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER REPEAT POSIT: 11.3N 124.0E --- FORECASTS: 12 HRS, VALID AT: 111800Z --- 11.4N 124.1E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER VECTOR TO 24 HR POSIT: 090 DEG/ 02 KTS --- 24 HRS, VALID AT: 120600Z --- 11.4N 124.6E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER VECTOR TO 36 HR POSIT: 095 DEG/ 06 KTS --- 36 HRS, VALID AT: 121800Z --- 11.3N 125.9E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 110900Z POSITION NEAR 11.3N 124.0E. 11APR22. TROPICAL DEPRESSION 03W (MEGI), LOCATED APPROXIMATELY 265 NM SOUTHEAST OF MANILA, PHILIPPINES, HAS TRACKED NORTHWESTWARD AT 04 KNOTS OVER THE PAST SIX HOURS. ANIMATED MULTISPECTRAL SATELLITE IMAGERY SHOWS THE SYSTEM HAS SEVERELY DETERIORATED AS THE DEEP CENTRAL CONVECTION HAS SHEARED 70+ NM WEST-NORTHWESTWARD. THE INITIAL POSITION IS PLACED WITH HIGH CONFIDENCE BASED ON A DISCERNIBLE CIRCULATION FEATURE IN THE COMPOSITE RADAR LOOP FROM PAGASA. THE INITIAL INTENSITY OF 25KTS IS BASED ON THE HIGH END OF EXTRAPOLATED WIND/MSLP ESTIMATES FROM NEARBY SURFACE OBSERVATIONS INCLUDING CATBALOGAN TO THE NE, CEBU CITY TO THE SOUTH, AND ROXAS CITY TO THE WEST. ANALYSIS INDICATES THE ENVIRONMENT HAS BECOME UNFAVORABLE WITH INCREASED (30+ KNOTS) RELATIVE VERTICAL WIND SHEAR AND FRICTIONAL EFFECTS FROM THE ISLANDS IN ADDITION TO THE SUBSIDING EFFECT FROM THE OUTFLOW OF TS 02W (MALAKAS), APPROX 720NM TO THE EAST. AS A RESULT, TD MEGI IS EXPECTED TO DISSIPATE BY TAU 12. ITS REMNANT VORTEX IS FORECAST TO MAKE A U-TURN AND TRACK EASTWARD BACK TO THE PHILIPPINE SEA IN RESPONSE TO A WEAK BINARY INTERACTION WITH 02W. TO ILLUSTRATE THIS, ADDITIONAL POSITIONS (TAUS 24 AND 36) HAVE BEEN ADDED TO THE FORECAST TRACK. 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 110600Z IS 8 FEET. REFER TO TROPICAL STORM 02W (MALAKAS) WARNINGS (WTPN31 PGTW) FOR SIX-HOURLY UPDATES.// NNNN