msgid/genadmin/navmarfcstcen Pearl Harbor hi/jtwc// subj/tropical cyclone warning// rmks/ 1. Tropical storm 20w (mekkhala) warning nr 006 03 active tropical cyclones in northwestpac Max sustained winds based on one-minute average --- warning position: 300000z --- near 17.5n 106.9e movement past six hours - 280 degrees at 13 kts position accurate to within 060 nm position based on center located by satellite present wind distribution: Max sustained winds - 055 kt, gusts 070 kt wind radii valid over open water only radius of 050 kt winds - 015 nm northeast quadrant 015 nm southeast quadrant 015 nm southwest quadrant 015 nm northwest quadrant radius of 034 kt winds - 075 nm northeast quadrant 060 nm southeast quadrant 060 nm southwest quadrant 065 nm northwest quadrant repeat posit: 17.5n 106.9e --- forecasts: 12 hrs, valid at: 301200z --- 18.1n 104.4e Max sustained winds - 035 kt, gusts 045 kt wind radii valid over open water only dissipating as a significant tropical cyclone over land vector to 24 hr posit: 285 deg/ 11 kts --- 24 hrs, valid at: 010000z --- 18.7n 102.2e Max sustained winds - 020 kt, gusts 030 kt wind radii valid over open water only dissipated as a significant tropical cyclone over land --- remarks: 300300z position near 17.7n 106.3e. Tropical storm 20w (mekkhala), located approximately 75 nm north- northwest of hue, Vietnam, has tracked westward at 13 knots over the past 06 hours. Maximum significant wave height at 300000z is 12 feet. Next warnings at 300900z, 301500z and 302100z. Refer to tropical storm 19w (jangmi) warnings (wtpn31 pgtw) for six-hourly updates. Refer to tropical storm 21w (twentyone) warnings (wtpn33 pgtw) for six-hourly updates.//