SUBJ: TROPICAL CYCLONE 18S (IVAN) WARNING NR 030 WTXS33 PGTW 182100 1. TROPICAL CYCLONE 18S (IVAN) WARNING NR 030 02 ACTIVE TROPICAL CYCLONES IN SOUTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 181800Z --- NEAR 19.5S 45.7E MOVEMENT PAST SIX HOURS - 210 DEGREES AT 06 KTS POSITION ACCURATE TO WITHIN 060 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 DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND REPEAT POSIT: 19.5S 45.7E --- FORECASTS: 12 HRS, VALID AT: 190600Z --- 20.5S 44.9E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 182100Z POSITION NEAR 19.8S 45.5E. THIS IS THE FINAL WARNING ON THIS SYSTEM BY THE JOINT TYPHOON WARNING CENTER (NAVPACMETOCCEN). THE SYSTEM WILL BE CLOSELY MON- ITORED FOR SIGNS OF REGENERATION. REFER TO TROPICAL CYCLONE 19S (NICHOLAS) WARNINGS (WTXS32 PGTW) FOR TWELVE-HOURLY UPDATES. // BT #0001 NNNN