WTXS51 PGTW 170900 WARNING ATCG MIL 10S SIO 210117071715 2021011706 10S JOSHUA 004 02 235 09 SATL 030 T000 184S 0899E 035 R034 050 NE QD 060 SE QD 070 SW QD 050 NW QD T012 189S 0885E 040 R034 020 NE QD 040 SE QD 030 SW QD 020 NW QD T024 193S 0868E 040 R034 020 NE QD 050 SE QD 030 SW QD 020 NW QD T036 195S 0850E 040 R034 080 NE QD 060 SE QD 070 SW QD 050 NW QD T048 198S 0829E 035 R034 080 NE QD 060 SE QD 070 SW QD 080 NW QD T072 207S 0787E 035 R034 080 NE QD 050 SE QD 070 SW QD 080 NW QD T096 218S 0752E 030 AMP 048HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER 072HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER 096HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER SUBJ: TROPICAL CYCLONE 10S (JOSHUA) WARNING NR 004 1. TROPICAL CYCLONE 10S (JOSHUA) WARNING NR 004 02 ACTIVE TROPICAL CYCLONES IN SOUTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 170600Z --- NEAR 18.4S 89.9E MOVEMENT PAST SIX HOURS - 235 DEGREES AT 09 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 060 NM SOUTHEAST QUADRANT 070 NM SOUTHWEST QUADRANT 050 NM NORTHWEST QUADRANT REPEAT POSIT: 18.4S 89.9E --- FORECASTS: 12 HRS, VALID AT: 171800Z --- 18.9S 88.5E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 020 NM NORTHEAST QUADRANT 040 NM SOUTHEAST QUADRANT 030 NM SOUTHWEST QUADRANT 020 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 255 DEG/ 08 KTS --- 24 HRS, VALID AT: 180600Z --- 19.3S 86.8E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 020 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 030 NM SOUTHWEST QUADRANT 020 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 265 DEG/ 09 KTS --- 36 HRS, VALID AT: 181800Z --- 19.5S 85.0E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 080 NM NORTHEAST QUADRANT 060 NM SOUTHEAST QUADRANT 070 NM SOUTHWEST QUADRANT 050 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 260 DEG/ 10 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 190600Z --- 19.8S 82.9E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER RADIUS OF 034 KT WINDS - 080 NM NORTHEAST QUADRANT 060 NM SOUTHEAST QUADRANT 070 NM SOUTHWEST QUADRANT 080 NM NORTHWEST QUADRANT VECTOR TO 72 HR POSIT: 255 DEG/ 10 KTS --- 72 HRS, VALID AT: 200600Z --- 20.7S 78.7E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER RADIUS OF 034 KT WINDS - 080 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 070 NM SOUTHWEST QUADRANT 080 NM NORTHWEST QUADRANT VECTOR TO 96 HR POSIT: 250 DEG/ 09 KTS --- LONG RANGE OUTLOOK: --- 96 HRS, VALID AT: 210600Z --- 21.8S 75.2E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 170900Z POSITION NEAR 18.5S 89.5E. 17JAN21. TROPICAL CYCLONE (TC) 10S (JOSHUA), LOCATED APPROXIMATELY 1222 NM SOUTHEAST OF DIEGO GARCIA, HAS TRACKED SOUTHWESTWARD AT 09 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 170600Z IS 14 FEET. NEXT WARNINGS AT 172100Z AND 180900Z. REFER TO TROPICAL CYCLONE 1021011212 106S1000E 20 1021011218 111S 996E 20 1021011300 114S 990E 25 1021011306 116S 984E 25 1021011312 118S 979E 30 1021011318 121S 975E 25 1021011400 128S 973E 25 1021011406 135S 969E 25 1021011412 140S 966E 30 1021011418 145S 961E 30 1021011500 149S 958E 30 1021011506 154S 953E 30 1021011512 158S 948E 30 1021011518 162S 942E 35 1021011600 165S 935E 35 1021011606 169S 928E 35 1021011612 172S 921E 40 1021011618 174S 914E 35 1021011700 179S 907E 35 1021011706 184S 899E 35 NNNN