WTPN32 PGTW 110900 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL STORM 17W (LINFA) WARNING NR 006// RMKS/ 1. TROPICAL STORM 17W (LINFA) WARNING NR 006 02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 110600Z --- NEAR 15.2N 108.3E MOVEMENT PAST SIX HOURS - 280 DEGREES AT 10 KTS POSITION ACCURATE TO WITHIN 045 NM POSITION BASED ON CENTER LOCATED BY A COMBINATION OF SATELLITE AND SYNOPTIC DATA PRESENT WIND DISTRIBUTION: 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 065 NM SOUTHWEST QUADRANT 080 NM NORTHWEST QUADRANT REPEAT POSIT: 15.2N 108.3E --- FORECASTS: 12 HRS, VALID AT: 111800Z --- 15.5N 106.6E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND VECTOR TO 24 HR POSIT: 265 DEG/ 08 KTS --- 24 HRS, VALID AT: 120600Z --- 15.4N 104.9E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 110900Z POSITION NEAR 15.3N 107.9E. 11OCT20. TROPICAL STORM (TS) 17W (LINFA), LOCATED APPROXIMATELY 48 NM SOUTH OF DA NANG, VIETNAM, HAS TRACKED WESTWARD AT 10 KNOTS OVER THE PAST SIX HOURS. TS 17W MADE LANDFALL NEAR 11/03Z AND HAS TRACKED FURTHER INLAND OVER THE PAST FEW HOURS. ANIMATED MULTISPECTRAL SATELLITE IMAGERY AND AN 110547Z AMSR2 89GHZ IMAGE DEPICT DEEP CONVECTIVE BANDING WRAPPING INTO A PARTIALLY-EXPOSED LOW-LEVEL CIRCULATION CENTER, WHICH SUPPORTS THE INITIAL POSITION WITH FAIR CONFIDENCE. THE INITIAL INTENSITY IS ASSESSED AT 40 KNOTS BASED ON RECENT ASCAT DATA. TS 17W IS TRACKING WESTWARD ALONG THE SOUTHERN PERIPHERY OF THE SUBTROPICAL RIDGE TO THE NORTH AND IS FORECAST TO CONTINUE TRACKING WESTWARD OVER SOUTHEAST ASIA THROUGH THE FORECAST PERIOD. TS 17W WILL DISSIPATE BY TAU 24 AS IT TRACKS OVER MOUNTAINOUS TERRAIN. THE BULK OF THE NUMERICAL MODEL GUIDANCE REMAINS IN GOOD AGREEMENT, THEREFORE, THERE IS HIGH CONFIDENCE IN THE JTWC FORECAST TRACK. 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. REFER TO TROPICAL STORM 16W (CHAN-HOM) WARNINGS (WTPN31 PGTW) FOR SIX-HOURLY UPDATES.// NNNN