WTXS32 PGTW 090300 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE 27S (ODETTE) WARNING NR 017// RMKS/ 1. TROPICAL CYCLONE 27S (ODETTE) WARNING NR 017 02 ACTIVE TROPICAL CYCLONES IN SOUTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 090000Z --- NEAR 14.2S 107.5E MOVEMENT PAST SIX HOURS - 085 DEGREES AT 08 KTS POSITION ACCURATE TO WITHIN 030 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 035 NM NORTHEAST QUADRANT 000 NM SOUTHEAST QUADRANT 000 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT 045 NM SOUTHEAST QUADRANT 055 NM SOUTHWEST QUADRANT 070 NM NORTHWEST QUADRANT REPEAT POSIT: 14.2S 107.5E --- FORECASTS: 12 HRS, VALID AT: 091200Z --- 15.5S 110.2E MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 030 NM NORTHEAST QUADRANT 000 NM SOUTHEAST QUADRANT 000 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 050 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 155 DEG/ 14 KTS --- 24 HRS, VALID AT: 100000Z --- 18.0S 111.5E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 000 NM SOUTHWEST QUADRANT 040 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 195 DEG/ 18 KTS --- 36 HRS, VALID AT: 101200Z --- 21.5S 110.5E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT 060 NM SOUTHEAST QUADRANT 000 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 205 DEG/ 20 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 110000Z --- 25.2S 108.8E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 090300Z POSITION NEAR 14.5S 108.2E. 09APR21. TROPICAL CYCLONE (TC) 27S (ODETTE), LOCATED APPROXIMATELY 614 NM NORTHWEST OF LEARMONTH, AUSTRALIA, HAS TRACKED EASTWARD AT 08 KNOTS OVER THE PAST SIX HOURS. ODETTE HAS BECOME SLIGHTLY BETTER ORGANIZED DURING THE PAST 6 HOURS, WITH A VIGOROUS LOW LEVEL CENTER (LLC) STAYING ANCHORED BENEATH THE EASTERN SIDE OF THE CENTRAL DENSE OVERCAST (CDO) IN MULTISPECTRAL SATELLITE IMAGERY. OBJECTIVE SATELLITE ESTIMATES HAVE RISEN TO 51 KT FROM ADT AND 50 KTS FROM SATCON, AND THE INITIAL INTENSITY HAS BEEN SET TO 50 KTS ACCORDINGLY. ODETTE'S ENVIRONMENT REMAINS MARGINAL, WITH VERTICAL SHEAR NOW INCREASED TO 30-35 KTS AS THE DISTANCE BETWEEN ODETTE AND TC 26S (SEROJA) CLOSES WITHIN 320 NM. SATELLITE IMAGERY INDICATES THAT CIRRUS OUTFLOW IS MAKING NO PROGRESS EASTWARD FROM THE CIRCULATION CENTER, AND THE VORTEX MAY SOON STRUGGLE TO REMAIN VERTICALLY COHERENT. THE WINDOW FOR FURTHER INTENSIFICATION SHOULD BE CLOSING, AND NO FURTHER INCREASE IN MAXIMUM WINDS IS FORECAST. WEAKENING IS FORECAST AFTER 12 HOURS AS ODETTE ROTATES AROUND THE NORTH AND THEN EAST SIDE OF SEROJA. BEING THE LARGER AND THUS MORE DOMINANT CYCLONE, SEROJA WILL EVENTUALLY ABSORB THE SMALLER CIRCULATION OF ODETTE, LEADING TO DISSIPATION OF ODETTE BY 48 HOURS AFTER THE PAIR OF CYCLONES CROSSES THE LATITUDE OF LEARMONTH, AUSTRALIA. THE TRACK FORECAST IS GENERALLY SIMILAR TO THE PREVIOUS ONE, SHIFTED SLIGHTLY EASTWARD THROUGH 24 HOURS AS TC ODETTE'S PRECISE ORBIT AROUND TC SEROJA COMES INTO FOCUS IN DYNAMICAL MODEL GUIDANCE. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 090000Z IS 18 FEET. NEXT WARNINGS AT 090900Z, 091500Z, 092100Z AND 100300Z. REFER TO TROPICAL CYCLONE 26S (SEROJA) WARNINGS (WTXS31 PGTW) FOR SIX-HOURLY UPDATES. // NNNN