WTXS31 PGTW 120900
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE 24S (IVONE) WARNING NR 009//
RMKS/
1. TROPICAL CYCLONE 24S (IVONE) WARNING NR 009    
   01 ACTIVE TROPICAL CYCLONE IN SOUTHIO
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   120600Z --- NEAR 19.5S 74.3E
     MOVEMENT PAST SIX HOURS - 270 DEGREES AT 12 KTS
     POSITION ACCURATE TO WITHIN 060 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 000 NM NORTHEAST QUADRANT
                            235 NM SOUTHEAST QUADRANT
                            170 NM SOUTHWEST QUADRANT
                            000 NM NORTHWEST QUADRANT
   REPEAT POSIT: 19.5S 74.3E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   121800Z --- 20.3S 71.5E
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 055 NM NORTHEAST QUADRANT
                            220 NM SOUTHEAST QUADRANT
                            140 NM SOUTHWEST QUADRANT
                            000 NM NORTHWEST QUADRANT
   VECTOR TO 24 HR POSIT: 230 DEG/ 14 KTS
    ---
   24 HRS, VALID AT:
   130600Z --- 22.0S 69.1E
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 070 NM NORTHEAST QUADRANT
                            185 NM SOUTHEAST QUADRANT
                            095 NM SOUTHWEST QUADRANT
                            000 NM NORTHWEST QUADRANT
   VECTOR TO 36 HR POSIT: 205 DEG/ 15 KTS
    ---
   36 HRS, VALID AT:
   131800Z --- 24.8S 67.7E
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 105 NM NORTHEAST QUADRANT
                            165 NM SOUTHEAST QUADRANT
                            070 NM SOUTHWEST QUADRANT
                            010 NM NORTHWEST QUADRANT
   VECTOR TO 48 HR POSIT: 185 DEG/ 16 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   140600Z --- 28.0S 67.5E
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 130 NM NORTHEAST QUADRANT
                            160 NM SOUTHEAST QUADRANT
                            060 NM SOUTHWEST QUADRANT
                            015 NM NORTHWEST QUADRANT
   VECTOR TO 72 HR POSIT: 155 DEG/ 25 KTS
    ---
   72 HRS, VALID AT:
   150600Z --- 36.8S 73.1E
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   BECOMING EXTRATROPICAL
   RADIUS OF 034 KT WINDS - 140 NM NORTHEAST QUADRANT
                            110 NM SOUTHEAST QUADRANT
                            040 NM SOUTHWEST QUADRANT
                            030 NM NORTHWEST QUADRANT
   VECTOR TO 96 HR POSIT: 135 DEG/ 37 KTS
    ---
   LONG RANGE OUTLOOK:
    ---
   96 HRS, VALID AT:
   160600Z --- 46.3S 88.3E
   MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   EXTRATROPICAL
    ---
REMARKS:
120900Z POSITION NEAR 19.7S 73.6E.
12MAR25. TROPICAL CYCLONE 24S (IVONE), LOCATED APPROXIMATELY 751
NM SOUTH OF DIEGO GARCIA, HAS TRACKED WESTWARD AT 12 KNOTS OVER
THE PAST SIX HOURS.
MINIMUM CENTRAL PRESSURE AT 120600Z IS 997 MB. MAXIMUM
SIGNIFICANT WAVE HEIGHT AT 120600Z IS 26 FEET. NEXT WARNINGS AT
122100Z AND 130900Z.
//
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