WTXS51 PGTW 312100 WARNING ATCG MIL 17S SIO 230331205439 2023033118 17S HERMAN 011 02 155 04 SATL 015 T000 182S 1069E 110 R064 015 NE QD 015 SE QD 015 SW QD 015 NW QD R050 025 NE QD 025 SE QD 025 SW QD 025 NW QD R034 030 NE QD 040 SE QD 050 SW QD 035 NW QD T012 190S 1072E 090 T024 197S 1072E 050 T036 201S 1068E 040 T048 203S 1061E 035 T072 201S 1042E 030 T096 194S 1015E 030 T120 189S 0981E 025 AMP 072HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER 096HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER 120HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER SUBJ: TROPICAL CYCLONE 17S (HERMAN) WARNING NR 011 1. TROPICAL CYCLONE 17S (HERMAN) WARNING NR 011 01 ACTIVE TROPICAL CYCLONES IN SOUTHIO MAX SUSTAINED WINDS BASED ON TEN-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 311800Z --- NEAR 18.2S 106.9E MOVEMENT PAST SIX HOURS - 155 DEGREES AT 04 KTS POSITION ACCURATE TO WITHIN 015 NM POSITION BASED ON EYE FIXED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 110 KT, GUSTS 135 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 015 NM NORTHEAST QUADRANT 015 NM SOUTHEAST QUADRANT 015 NM SOUTHWEST QUADRANT 015 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 025 NM NORTHEAST QUADRANT 025 NM SOUTHEAST QUADRANT 025 NM SOUTHWEST QUADRANT 025 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT 040 NM SOUTHEAST QUADRANT 050 NM SOUTHWEST QUADRANT 035 NM NORTHWEST QUADRANT REPEAT POSIT: 18.2S 106.9E --- FORECASTS: 12 HRS, VALID AT: 010600Z --- 19.0S 107.2E MAX SUSTAINED WINDS - 090 KT, GUSTS 110 KT WIND RADII VALID OVER OPEN WATER ONLY VECTOR TO 24 HR POSIT: 180 DEG/ 04 KTS --- 24 HRS, VALID AT: 011800Z --- 19.7S 107.2E MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT WIND RADII VALID OVER OPEN WATER ONLY VECTOR TO 36 HR POSIT: 225 DEG/ 03 KTS --- 36 HRS, VALID AT: 020600Z --- 20.1S 106.8E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY VECTOR TO 48 HR POSIT: 255 DEG/ 03 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 021800Z --- 20.3S 106.1E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY VECTOR TO 72 HR POSIT: 275 DEG/ 04 KTS --- 72 HRS, VALID AT: 031800Z --- 20.1S 104.2E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER VECTOR TO 96 HR POSIT: 285 DEG/ 07 KTS --- LONG RANGE OUTLOOK: --- 96 HRS, VALID AT: 041800Z --- 19.4S 101.5E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER VECTOR TO 120 HR POSIT: 280 DEG/ 08 KTS --- 120 HRS, VALID AT: 051800Z --- 18.9S 98.1E MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 312100Z POSITION NEAR 18.4S 107.0E. 31MAR23. TROPICAL CYCLONE 17S (HERMAN), LOCATED APPROXIMATELY 474 NM WEST-NORTHWEST OF LEARMONTH, AUSTRALIA, HAS TRACKED SOUTH- SOUTHEASTWARD AT 04 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 311800Z IS 42 FEET. NEXT WARNINGS AT 010900Z AND 012100Z. FOR SIX-HOURLY UPDATES. // 1723032700 105S 952E 15 1723032706 106S 958E 15 1723032712 109S 963E 15 1723032718 112S 968E 20 1723032800 116S 972E 25 1723032806 120S 981E 25 1723032812 125S 988E 25 1723032818 128S 995E 30 1723032900 133S1004E 35 1723032906 137S1010E 40 1723032912 140S1022E 45 1723032918 144S1030E 55 1723032918 144S1030E 55 1723033000 149S1040E 55 1723033000 149S1040E 55 1723033006 154S1048E 60 1723033006 154S1048E 60 1723033012 156S1054E 75 1723033012 156S1054E 75 1723033018 163S1058E 95 1723033018 163S1058E 95 1723033018 163S1058E 95 1723033100 167S1062E 100 1723033100 167S1062E 100 1723033100 167S1062E 100 1723033106 174S1064E 110 1723033106 174S1064E 110 1723033106 174S1064E 110 1723033112 178S1067E 110 1723033112 178S1067E 110 1723033112 178S1067E 110 1723033118 182S1069E 110 1723033118 182S1069E 110 1723033118 182S1069E 110 NNNN