162100Z POSITION NEAR 22.3N 105.2E. TROPICAL STORM 15W (KALMAEGI), LOCATED APPROXIMATELY 67 NM OF HANOI, VIETNAM, HAS TRACKED WEST-NORTHWESTWARD AT 20 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.