WTPN31 PHNC 012200
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL STORM 01C (IONA) WARNING NR 023//
RMKS/
1. TROPICAL STORM 01C (IONA) WARNING NR 023    
   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:
   011800Z --- NEAR 14.7N 176.7W
     MOVEMENT PAST SIX HOURS - 285 DEGREES AT 13 KTS
     POSITION ACCURATE TO WITHIN 030 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT
                            000 NM SOUTHEAST QUADRANT
                            000 NM SOUTHWEST QUADRANT
                            040 NM NORTHWEST QUADRANT
   REPEAT POSIT: 14.7N 176.7W
    ---
   FORECASTS:
   12 HRS, VALID AT:
   020600Z --- 15.8N 179.6W
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT
                            000 NM SOUTHEAST QUADRANT
                            000 NM SOUTHWEST QUADRANT
                            040 NM NORTHWEST QUADRANT
   VECTOR TO 24 HR POSIT: 295 DEG/ 14 KTS
    ---
   24 HRS, VALID AT:
   021800Z --- 17.0N 177.8E
   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:
   030600Z --- 18.2N 175.5E
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   VECTOR TO 48 HR POSIT: 300 DEG/ 12 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   031800Z --- 19.4N 173.4E
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   VECTOR TO 60 HR POSIT: 310 DEG/ 13 KTS
    ---
   60 HRS, VALID AT:
   040600Z --- 21.1N 171.3E
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   POST-TROP/REMNT LOW
   VECTOR TO 72 HR POSIT: 315 DEG/ 12 KTS
    ---
   72 HRS, VALID AT:
   041800Z --- 22.7N 169.5E
   MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
    ---
REMARKS:
012200Z POSITION NEAR 15.1N 177.7W.
01AUG25. TROPICAL STORM 01C (IONA), LOCATED APPROXIMATELY 433 NM
WEST-SOUTHWEST OF JOHNSTON ISLAND, HAS TRACKED WEST-NORTHWESTWARD
AT 13 KNOTS OVER THE PAST SIX HOURS.
MINIMUM CENTRAL PRESSURE AT 011800Z IS 1006 MB. MAXIMUM
SIGNIFICANT WAVE HEIGHT AT 011800Z IS 13 FEET. NEXT WARNINGS AT
020400Z, 021000Z, 021600Z AND 022200Z.
REFER TO TROPICAL STORM 07E (GIL) WARNINGS (WTPN33 PHNC)
FOR SIX-HOURLY UPDATES.
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