250900Z POSITION NEAR 17.0N 106.7E. TROPICAL STORM 08W (SONCA), LOCATED APPROXIMATELY 87 NM NORTHWEST OF DA NANG, VIETNAM, HAS TRACKED WESTWARD AT 12 KNOTS OVER THE PAST SIX HOURS. 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 250600Z IS 12 FEET. REFER TO TYPHOON 07W (NORU) WARNINGS (WTPN31 PGTW)FOR SIX-HOURLY UPDATES. REFER TO TROPICAL STORM 09W (KULAP) WARNINGS (WTPN33 PGTW)FOR SIX-HOURLY UPDATES.
