WTXS51 PGTW 290900 WARNING ATCG MIL 08S SIO 150129073310 2015012906 08S DIAMONDRA 006 02 160 05 SATL SYNP 020 T000 208S 0802E 045 R034 110 NE QD 125 SE QD 140 SW QD 110 NW QD T012 220S 0810E 035 AMP 000HR BECOMING EXTRATROPICAL 012HR EXTRATROPICAL SUBJ: TROPICAL CYCLONE 08S (DIAMONDRA) WARNING NR 006 1. TROPICAL CYCLONE 08S (DIAMONDRA) WARNING NR 006 02 ACTIVE TROPICAL CYCLONES IN SOUTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 290600Z --- NEAR 20.8S 80.2E MOVEMENT PAST SIX HOURS - 160 DEGREES AT 05 KTS POSITION ACCURATE TO WITHIN 020 NM POSITION BASED ON CENTER LOCATED BY A COMBINATION OF SATELLITE AND SYNOPTIC DATA PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY SUBTROPICAL RADIUS OF 034 KT WINDS - 110 NM NORTHEAST QUADRANT 125 NM SOUTHEAST QUADRANT 140 NM SOUTHWEST QUADRANT 110 NM NORTHWEST QUADRANT REPEAT POSIT: 20.8S 80.2E --- FORECASTS: 12 HRS, VALID AT: 291800Z --- 22.0S 81.0E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY SUBTROPICAL --- REMARKS: 290900Z POSITION NEAR 21.1S 80.4E. TROPICAL CYCLONE (TC) 08S (DIAMONDRA), LOCATED APPROXIMATELY 936 NM SOUTH-SOUTHEAST OF DIEGO GARCIA, HAS TRACKED SOUTH-SOUTHEASTWARD AT 05 KNOTS OVER THE PAST SIX HOURS. ANIMATED MULTISPECTRAL SATELLITE IMAGERY DEPICTS DEMINISHING DEEP CONVECTION SHEARED SOUTH-SOUTHEASTWARD OF A FULLY-EXPOSED LOW-LEVEL CIRCULATION CENTER. A 290334Z ASCAT PASS REVEALS A 20 TO 25 KNOT CIRCULATION WITH GALE FORCE WINDS EXTENDED ASYMMETRICALLY TO 100 NM FROM THE CENTER AND STRONGER (UP TO 45 KNOTS) OVER THE SOUTHWESTERN QUADRANT. BASED ON THE CURRENT ASSESSMENT, TC 08 IS CLASSIFIED AS A SUBTROPICAL CYCLONE AND ASSUMES THE SUBTROPICAL CYCLONE CHARACTERISTICS. 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. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 290600Z IS 13 FEET. REFER TO TROPICAL CYCLONE 09S (EUNICE) WARNINGS (WTXS32 PGTW) FOR TWELVE-HOURLY UPDATES.// 0815012506 150S 829E 15 0815012512 154S 821E 20 0815012518 157S 814E 25 0815012600 158S 809E 25 0815012606 162S 799E 25 0815012612 168S 787E 30 0815012618 171S 781E 35 0815012700 174S 777E 35 0815012706 178S 776E 45 0815012712 182S 776E 45 0815012718 184S 779E 45 0815012800 187S 785E 45 0815012806 192S 791E 45 0815012812 196S 797E 45 0815012818 199S 798E 40 0815012900 203S 800E 40 0815012906 208S 802E 45 NNNN