MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE WARNING// RMKS/ 1. TYPHOON 21W (DUJUAN) WARNING NR 030 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 290000Z --- NEAR 25.0N 119.1E MOVEMENT PAST SIX HOURS - 310 DEGREES AT 11 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY A COMBINATION OF SATELLITE AND RADAR PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 050 NM NORTHEAST QUADRANT 045 NM SOUTHEAST QUADRANT 045 NM SOUTHWEST QUADRANT 050 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 085 NM NORTHEAST QUADRANT 070 NM SOUTHEAST QUADRANT 075 NM SOUTHWEST QUADRANT 080 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 120 NM NORTHEAST QUADRANT 130 NM SOUTHEAST QUADRANT 130 NM SOUTHWEST QUADRANT 120 NM NORTHWEST QUADRANT REPEAT POSIT: 25.0N 119.1E --- FORECASTS: 12 HRS, VALID AT: 291200Z --- 26.3N 117.2E MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT 065 NM SOUTHEAST QUADRANT 065 NM SOUTHWEST QUADRANT 060 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 335 DEG/ 09 KTS --- 24 HRS, VALID AT: 300000Z --- 28.0N 116.4E 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: 015 DEG/ 10 KTS --- 36 HRS, VALID AT: 301200Z --- 29.9N 116.9E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 290300Z POSITION NEAR 25.3N 118.6E. TYPHOON (TY) 21W (DUJUAN), LOCATED APPROXIMATELY 131 NM WEST OF TAIPEI, TAIWAN, HAS TRACKED NORTHWESTWARD AT 11 KNOTS OVER THE PAST SIX HOURS. TY 21W HAS MADE LANDFALL OVER THE SOUTHEAST COAST OF CHINA AND IS BEGINNING TO TRACK INLAND. ANIMATED MULTISPECTRAL SATELLITE IMAGERY AND RADAR IMAGERY INDICATE DECAYING DEEP CONVECTION OVER THE WESTERN SEMI-CIRCLE, HOWEVER, DEEP CONVECTION REMAINS TIGHTLY-WRAPPED OVER WATER. BASED ON RADAR FIXES AND IMAGERY, THERE IS GOOD CONFIDENCE IN THE INITIAL POSITION. TY 21W REMAINS A STRONG SYSTEM AND IS ASSESSED AT 75 KNOTS BASED ON THE DVORAK INTENSITY ESTIMATES OF 77 KNOTS. THE SYSTEM IS CURRENTLY TRACKING ALONG THE SOUTHWESTERN PERIPHERY OF THE SUBTROPICAL RIDGE AND IS FORECAST RE-CURVE POLEWARD AHEAD OF AN APPROACHING MIDLATITUDE SHORTWAVE TROUGH. TY 21W WILL RAPIDLY WEAKEN AS IT TRACKS POLEWARD AND SHOULD DISSIPATE BY TAU 36. DYNAMIC MODEL GUIDANCE IS IN TIGHT AGREEMENT THROUGHOUT THE FORECAST PERIOD LENDING HIGH CONFIDENCE TO THE JTWC FORECAST. 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 290000Z IS 25 FEET.// NNNN NNNN