WTPN31 PHNC 020400
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL DEPRESSION 01C (IONA) WARNING NR 024//
RMKS/
1. TROPICAL DEPRESSION 01C (IONA) WARNING NR 024    
   DOWNGRADED FROM TROPICAL STORM 01C
   01 ACTIVE TROPICAL CYCLONE IN CENTPAC
   01 ACTIVE TROPICAL CYCLONE IN EASTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   020000Z --- NEAR 15.5N 178.8W
     MOVEMENT PAST SIX HOURS - 290 DEGREES AT 22 KTS
     POSITION ACCURATE TO WITHIN 030 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   REPEAT POSIT: 15.5N 178.8W
    ---
   FORECASTS:
   12 HRS, VALID AT:
   021200Z --- 16.8N 178.3E
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   VECTOR TO 24 HR POSIT: 295 DEG/ 13 KTS
    ---
   24 HRS, VALID AT:
   030000Z --- 18.0N 175.8E
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   VECTOR TO 36 HR POSIT: 300 DEG/ 12 KTS
    ---
   36 HRS, VALID AT:
   031200Z --- 19.1N 173.6E
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   VECTOR TO 48 HR POSIT: 310 DEG/ 12 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   040000Z --- 20.6N 171.6E
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   POST-TROP/REMNT LOW
   VECTOR TO 60 HR POSIT: 310 DEG/ 12 KTS
    ---
   60 HRS, VALID AT:
   041200Z --- 22.1N 169.7E
   MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
    ---
REMARKS:
020400Z POSITION NEAR 15.9N 179.8W.
02AUG25. TROPICAL DEPRESSION 01C (IONA), LOCATED APPROXIMATELY
541 NM WEST OF JOHNSTON ISLAND, HAS TRACKED WEST-NORTHWESTWARD AT
22 KNOTS OVER THE PAST SIX HOURS.
MINIMUM CENTRAL PRESSURE AT 020000Z IS 1008 MB. MAXIMUM
SIGNIFICANT WAVE HEIGHT AT 020000Z IS 13 FEET. NEXT WARNINGS AT
021000Z, 021600Z, 022200Z AND 030400Z.
REFER TO HURRICANE 07E (GIL) WARNINGS (WTPN33 PHNC)
FOR SIX-HOURLY UPDATES.
2. THIS IS THE FINAL WARNING ISSUED BY THE JOINT TYPHOON WARNING 
CENTER UNDER THE PHNC MANOP (WTPN31 PHNC). AFTER TROPICAL DEPRESSION 
01C (IONA) CROSSES 180 DEGREES LONGITUDE, SUBSEQUENT WARNINGS BY THE 
JOINT TYPHOON WARNING CENTER WILL REFER TO THE SYSTEM AS TROPICAL 
DEPRESSION 01C (IONA) AND WILL BE LISTED UNDER THE PGTW HEADER (WTPN33 
PGTW).//
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