WTXS51 PGTW 172100 WARNING ATCG MIL 07S SIO 251217184711 2025121718 07S BAKUNG 014 01 340 05 SATL 030 T000 110S 0914E 030 T012 104S 0905E 025 T024 096S 0896E 025 AMP 000HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER 012HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER 024HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER SUBJ: TROPICAL CYCLONE 07S (BAKUNG) WARNING NR 014 1. TROPICAL CYCLONE 07S (BAKUNG) WARNING NR 014 01 ACTIVE TROPICAL CYCLONE IN SOUTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 171800Z --- NEAR 11.0S 91.4E MOVEMENT PAST SIX HOURS - 340 DEGREES AT 05 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 DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER REPEAT POSIT: 11.0S 91.4E --- FORECASTS: 12 HRS, VALID AT: 180600Z --- 10.4S 90.5E MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER VECTOR TO 24 HR POSIT: 310 DEG/ 06 KTS --- 24 HRS, VALID AT: 181800Z --- 9.6S 89.6E MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 172100Z POSITION NEAR 10.8S 91.2E. 17DEC25. TROPICAL CYCLONE 07S (BAKUNG), LOCATED APPROXIMATELY 331 NM WEST?NORTHWEST OF THE COCOS ISLANDS, HAS TRACKED NORTH? NORTHWESTWARD AT 05 KNOTS OVER THE PAST SIX HOURS. ANIMATED ENHANCED INFRARED SATELLITE IMAGERY DEPICTS 07S WITH A DECOUPLED LOW-LEVEL CIRCULATION CENTER (LLCC) THAT IS DISPLACED FAR TO THE NORTHWEST OF THE DEEP CONVECTION. A 171533Z METOP-B ASCAT PASS REVEALED A HIGHLY ASYMMETRIC WIND FIELD WITH WINDS OF 25-30 KTS CONFINED TO THE SOUTHERN SEMICIRCLE. WINDS WITHIN THE NORTHERN PERIPHERY OF THE LLCC ARE MUCH LOWER, AT AROUND 10-15 KTS. ENVIRONMENTAL ANALYSIS INDICATES THAT 07S IS IN AN UNFAVORABLE ENVIRONMENT CHARACTERIZED BY WEAK POLEWARD OUTFLOW, HIGH (25-30 KTS) NORTHEASTERLY VERTICAL WIND SHEAR, AND SIGNIFICANT DRY AIR ENTRAINMENT. 07S IS FORECAST TO TRACK GENERALLY NORTHWESTWARD OVER THE NEXT 24 HOURS AND THE HOSTILE ENVIRONMENT IS EXPECTED TO CAUSE GRADUAL WEAKENING. THIS IS THE FINAL WARNING ON THIS SYSTEM BY THE JOINT TYPHOON WRNCEN PEARL HARBOR HI. THE SYSTEM WILL BE CLOSELY MONITORED FOR SIGNS OF REGENERATION. MINIMUM CENTRAL PRESSURE AT 171800Z IS 1004 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 171800Z IS 14 FEET.// 0725120812 53S 928E 20 0725120818 58S 929E 20 0725120900 62S 926E 20 0725120906 62S 931E 20 0725120912 58S 937E 20 0725120918 54S 949E 20 0725121000 47S 962E 25 0725121006 42S 986E 25 0725121012 48S 997E 25 0725121018 56S1002E 25 0725121100 64S1007E 25 0725121106 71S1008E 30 0725121112 75S1003E 30 0725121118 79S 994E 35 0725121200 82S 983E 35 0725121206 84S 974E 35 0725121212 85S 965E 40 0725121218 86S 953E 45 0725121300 88S 946E 50 0725121300 88S 946E 50 0725121306 91S 941E 60 0725121306 91S 941E 60 0725121312 95S 932E 70 0725121312 95S 932E 70 0725121312 95S 932E 70 0725121318 99S 923E 80 0725121318 99S 923E 80 0725121318 99S 923E 80 0725121400 102S 917E 75 0725121400 102S 917E 75 0725121400 102S 917E 75 0725121406 103S 911E 70 0725121406 103S 911E 70 0725121406 103S 911E 70 0725121412 106S 909E 70 0725121412 106S 909E 70 0725121412 106S 909E 70 0725121418 108S 911E 60 0725121418 108S 911E 60 0725121500 109S 913E 55 0725121500 109S 913E 55 0725121506 110S 916E 50 0725121506 110S 916E 50 0725121512 110S 922E 45 0725121518 110S 927E 45 0725121600 112S 932E 45 0725121606 114S 932E 45 0725121612 116S 932E 45 0725121618 118S 931E 55 0725121618 118S 931E 55 0725121700 120S 930E 65 0725121700 120S 930E 65 0725121700 120S 930E 65 0725121706 120S 926E 50 0725121706 120S 926E 50 0725121712 115S 916E 35 0725121718 110S 914E 30 NNNN