WTPS32 PGTW 080900 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE 31P (VAIANU) WARNING NR 012// RMKS/ 1. TROPICAL CYCLONE 31P (VAIANU) WARNING NR 012 02 ACTIVE TROPICAL CYCLONES IN SOUTHPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 080600Z --- NEAR 23.4S 177.8E MOVEMENT PAST SIX HOURS - 165 DEGREES AT 13 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY A COMBINATION OF SATELLITE AND EXTRAPOLATION PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 030 NM NORTHEAST QUADRANT 025 NM SOUTHEAST QUADRANT 025 NM SOUTHWEST QUADRANT 030 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 085 NM NORTHEAST QUADRANT 075 NM SOUTHEAST QUADRANT 085 NM SOUTHWEST QUADRANT 085 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 170 NM NORTHEAST QUADRANT 180 NM SOUTHEAST QUADRANT 160 NM SOUTHWEST QUADRANT 100 NM NORTHWEST QUADRANT REPEAT POSIT: 23.4S 177.8E --- FORECASTS: 12 HRS, VALID AT: 081800Z --- 25.3S 178.4E MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 060 NM NORTHEAST QUADRANT 070 NM SOUTHEAST QUADRANT 080 NM SOUTHWEST QUADRANT 060 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 200 NM NORTHEAST QUADRANT 210 NM SOUTHEAST QUADRANT 170 NM SOUTHWEST QUADRANT 120 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 170 DEG/ 06 KTS --- 24 HRS, VALID AT: 090600Z --- 26.5S 178.6E MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 020 NM NORTHEAST QUADRANT 030 NM SOUTHEAST QUADRANT 070 NM SOUTHWEST QUADRANT 060 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 180 NM NORTHEAST QUADRANT 200 NM SOUTHEAST QUADRANT 210 NM SOUTHWEST QUADRANT 140 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 170 DEG/ 05 KTS --- 36 HRS, VALID AT: 091800Z --- 27.5S 178.8E MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 050 NM NORTHEAST QUADRANT 070 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 040 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 190 NM NORTHEAST QUADRANT 270 NM SOUTHEAST QUADRANT 240 NM SOUTHWEST QUADRANT 160 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 190 DEG/ 07 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 100600Z --- 28.8S 178.5E MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 060 NM NORTHEAST QUADRANT 080 NM SOUTHEAST QUADRANT 050 NM SOUTHWEST QUADRANT 030 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 200 NM NORTHEAST QUADRANT 270 NM SOUTHEAST QUADRANT 250 NM SOUTHWEST QUADRANT 160 NM NORTHWEST QUADRANT VECTOR TO 72 HR POSIT: 205 DEG/ 10 KTS --- 72 HRS, VALID AT: 110600Z --- 32.2S 176.4E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY BECOMING SUBTROPICAL RADIUS OF 034 KT WINDS - 200 NM NORTHEAST QUADRANT 230 NM SOUTHEAST QUADRANT 230 NM SOUTHWEST QUADRANT 120 NM NORTHWEST QUADRANT VECTOR TO 96 HR POSIT: 175 DEG/ 17 KTS --- LONG RANGE OUTLOOK: --- 96 HRS, VALID AT: 120600Z --- 39.1S 176.8E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY SUBTROPICAL RADIUS OF 034 KT WINDS - 240 NM NORTHEAST QUADRANT 260 NM SOUTHEAST QUADRANT 140 NM SOUTHWEST QUADRANT 110 NM NORTHWEST QUADRANT --- REMARKS: 080900Z POSITION NEAR 23.9S 177.9E. 08APR26. TROPICAL CYCLONE 31P (VAIANU), LOCATED APPROXIMATELY 1079 NM NORTH OF WELLINGTON, NEW ZEALAND, HAS TRACKED SOUTH- SOUTHEASTWARD AT 13 KNOTS OVER THE PAST SIX HOURS. MINIMUM CENTRAL PRESSURE AT 080600Z IS 973 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 080600Z IS 28 FEET. NEXT WARNINGS AT 082100Z AND 090900Z. REFER TO TROPICAL CYCLONE 30P (MAILA) WARNINGS (WTPS31 PGTW) FOR TWELVE-HOURLY UPDATES.// NNNN