WTPN31 PGTW 260700 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE WARNING// RMKS/ 1. TYPHOON 20W (MEGI) WARNING NR 014 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 260600Z --- NEAR 21.4N 126.2E MOVEMENT PAST SIX HOURS - 290 DEGREES AT 11 KTS POSITION ACCURATE TO WITHIN 020 NM POSITION BASED ON EYE FIXED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 095 KT, GUSTS 115 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 045 NM NORTHEAST QUADRANT 035 NM SOUTHEAST QUADRANT 030 NM SOUTHWEST QUADRANT 035 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 120 NM NORTHEAST QUADRANT 110 NM SOUTHEAST QUADRANT 075 NM SOUTHWEST QUADRANT 100 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 250 NM NORTHEAST QUADRANT 250 NM SOUTHEAST QUADRANT 170 NM SOUTHWEST QUADRANT 215 NM NORTHWEST QUADRANT REPEAT POSIT: 21.4N 126.2E --- FORECASTS: 12 HRS, VALID AT: 261800Z --- 22.3N 124.0E MAX SUSTAINED WINDS - 100 KT, GUSTS 125 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 085 NM NORTHEAST QUADRANT 075 NM SOUTHEAST QUADRANT 055 NM SOUTHWEST QUADRANT 070 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 145 NM NORTHEAST QUADRANT 135 NM SOUTHEAST QUADRANT 115 NM SOUTHWEST QUADRANT 135 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 255 NM NORTHEAST QUADRANT 245 NM SOUTHEAST QUADRANT 230 NM SOUTHWEST QUADRANT 240 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 295 DEG/ 12 KTS --- 24 HRS, VALID AT: 270600Z --- 23.2N 121.7E MAX SUSTAINED WINDS - 085 KT, GUSTS 105 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 060 NM NORTHEAST QUADRANT 060 NM SOUTHEAST QUADRANT 050 NM SOUTHWEST QUADRANT 070 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 130 NM NORTHEAST QUADRANT 115 NM SOUTHEAST QUADRANT 105 NM SOUTHWEST QUADRANT 120 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 240 NM NORTHEAST QUADRANT 235 NM SOUTHEAST QUADRANT 205 NM SOUTHWEST QUADRANT 200 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 290 DEG/ 10 KTS --- 36 HRS, VALID AT: 271800Z --- 23.9N 119.7E MAX SUSTAINED WINDS - 070 KT, GUSTS 085 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 020 NM NORTHEAST QUADRANT 025 NM SOUTHEAST QUADRANT 020 NM SOUTHWEST QUADRANT 020 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 090 NM NORTHEAST QUADRANT 070 NM SOUTHEAST QUADRANT 060 NM SOUTHWEST QUADRANT 065 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 225 NM NORTHEAST QUADRANT 210 NM SOUTHEAST QUADRANT 160 NM SOUTHWEST QUADRANT 140 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 285 DEG/ 08 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 280600Z --- 24.3N 117.9E MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 055 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 045 NM SOUTHWEST QUADRANT 045 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 155 NM NORTHEAST QUADRANT 160 NM SOUTHEAST QUADRANT 110 NM SOUTHWEST QUADRANT 095 NM NORTHWEST QUADRANT VECTOR TO 72 HR POSIT: 280 DEG/ 07 KTS --- 72 HRS, VALID AT: 290600Z --- 24.7N 114.8E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND VECTOR TO 96 HR POSIT: 260 DEG/ 05 KTS --- LONG RANGE OUTLOOK: --- 96 HRS, VALID AT: 300600Z --- 24.3N 112.5E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 260900Z POSITION NEAR 21.6N 125.7E. TYPHOON 20W (MEGI), LOCATED APPROXIMATELY 341 NM SOUTHEAST OF TAIPEI, TAIWAN, HAS TRACKED WEST-NORTHWESTWARD AT 11 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 260600Z IS 32 FEET. NEXT WARNINGS AT 261500Z, 262100Z, 270300Z AND 270900Z.//