WTPN31 PHNC 011000 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL STORM 01C (IONA) WARNING NR 021// RMKS/ 1. TROPICAL STORM 01C (IONA) WARNING NR 021 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: 010600Z --- NEAR 14.0N 173.6W MOVEMENT PAST SIX HOURS - 285 DEGREES AT 19 KTS POSITION ACCURATE TO WITHIN 030 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 - 050 NM NORTHEAST QUADRANT 000 NM SOUTHEAST QUADRANT 000 NM SOUTHWEST QUADRANT 040 NM NORTHWEST QUADRANT REPEAT POSIT: 14.0N 173.6W --- FORECASTS: 12 HRS, VALID AT: 011800Z --- 14.8N 176.7W MAX SUSTAINED WINDS - 040 KT, GUSTS 050 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: 290 DEG/ 15 KTS --- 24 HRS, VALID AT: 020600Z --- 15.8N 179.6W MAX SUSTAINED WINDS - 040 KT, GUSTS 050 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 36 HR POSIT: 295 DEG/ 13 KTS --- 36 HRS, VALID AT: 021800Z --- 17.0N 177.9E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 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 48 HR POSIT: 300 DEG/ 12 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 030600Z --- 18.1N 175.7E 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 60 HR POSIT: 305 DEG/ 12 KTS --- 60 HRS, VALID AT: 031800Z --- 19.5N 173.6E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT 000 NM SOUTHEAST QUADRANT 000 NM SOUTHWEST QUADRANT 020 NM NORTHWEST QUADRANT VECTOR TO 72 HR POSIT: 310 DEG/ 14 KTS --- 72 HRS, VALID AT: 040600Z --- 21.3N 171.4E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY --- REMARKS: 011000Z POSITION NEAR 14.3N 174.6W. 01AUG25. TROPICAL STORM 01C (IONA), LOCATED APPROXIMATELY 287 NM SOUTHWEST OF JOHNSTON ISLAND, HAS TRACKED WEST-NORTHWESTWARD AT 19 KNOTS OVER THE PAST SIX HOURS.MINIMUM CENTRAL PRESSURE AT 010600Z IS 1003 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 010600Z IS 13 FEET. NEXT WARNINGS AT 011600Z, 012200Z, 020400Z AND 021000Z. REFER TO TROPICAL STORM 07E (GIL) WARNINGS (WTPN33 PHNC) FOR SIX-HOURLY UPDATES.// NNNN