WTPN31 PGTW 052100 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TYPHOON 27W (MATMO) WARNING NR 019// RMKS/ 1. TYPHOON 27W (MATMO) WARNING NR 019 02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 051800Z --- NEAR 21.9N 108.5E MOVEMENT PAST SIX HOURS - 300 DEGREES AT 11 KTS POSITION ACCURATE TO WITHIN 030 NM POSITION BASED ON EYE FIXED BY A COMBINATION OF SATELLITE AND RADAR PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 030 NM NORTHEAST QUADRANT 030 NM SOUTHEAST QUADRANT 030 NM SOUTHWEST QUADRANT 030 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 050 NM NORTHEAST QUADRANT 065 NM SOUTHEAST QUADRANT 050 NM SOUTHWEST QUADRANT 050 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 075 NM NORTHEAST QUADRANT 125 NM SOUTHEAST QUADRANT 080 NM SOUTHWEST QUADRANT 075 NM NORTHWEST QUADRANT REPEAT POSIT: 21.9N 108.5E --- FORECASTS: 12 HRS, VALID AT: 060600Z --- 22.7N 106.6E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY VECTOR TO 24 HR POSIT: 290 DEG/ 10 KTS --- 24 HRS, VALID AT: 061800Z --- 23.4N 104.6E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND VECTOR TO 36 HR POSIT: 285 DEG/ 08 KTS --- 36 HRS, VALID AT: 070600Z --- 23.8N 102.8E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 052100Z POSITION NEAR 22.1N 108.0E. 05OCT25. TYPHOON (TY) 27W (MATMO), LOCATED APPROXIMATELY 155 NM EAST- NORTHEAST OF HANOI, VIETNAM, HAS TRACKED WEST-NORTHWESTWARD AT 11 KNOTS OVER THE PAST SIX HOURS. ANIMATED ENHANCED INFRARED SATELLITE IMAGERY AND RADAR IMAGERY DEPICT SPIRAL BANDING WRAPPING INTO A WELL- DEFINED BUT RAGGED EYE, WHICH SUPPORTS THE INITIAL POSITION WITH HIGH CONFIDENCE. TY 27W MADE LANDFALL AT APPROXIMATELY 051600Z AND IS TRACKING INLAND WHILE DECAYING. THE INITIAL INTENSITY IS ASSESSED AT 65 KNOTS BASED ON A 051730Z DPRINT ESTIMATE OF 68 KNOTS, WHICH IS CONSISTENT WITH THE CONVECTIVE STRUCTURE. THE SYSTEM IS FORECAST TO TRACK WEST-NORTHWESTWARD THROUGH THE FORECAST PERIOD, WITH DISSIPATION EXPECTED BY TAU 36. 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. MINIMUM CENTRAL PRESSURE AT 051800Z IS 983 MB. REFER TO TROPICAL STORM 28W (HALONG) WARNINGS (WTPN32 PGTW) FOR SIX-HOURLY UPDATES.// NNNN