rmks/ 1. Tropical storm 09w (Sepat) warning nr 004 01 active tropical cyclone in northwestpac Max sustained winds based on one-minute average --- warning position: 130000z --- near 16.9n 134.5e movement past six hours - 245 degrees at 05 kts position accurate to within 040 nm position based on center located by satellite present wind distribution: Max sustained winds - 050 kt, gusts 065 kt wind radii valid over open water only radius of 034 kt winds - 060 nm northeast quadrant 050 nm southeast quadrant 050 nm southwest quadrant 060 nm northwest quadrant repeat posit: 16.9n 134.5e --- forecasts: 12 hrs, valid at: 131200z --- 16.7n 133.5e Max sustained winds - 060 kt, gusts 075 kt wind radii valid over open water only radius of 050 kt winds - 040 nm northeast quadrant 035 nm southeast quadrant 035 nm southwest quadrant 040 nm northwest quadrant radius of 034 kt winds - 090 nm northeast quadrant 085 nm southeast quadrant 085 nm southwest quadrant 090 nm northwest quadrant vector to 24 hr posit: 265 deg/ 05 kts --- 24 hrs, valid at: 140000z --- 16.6n 132.4e Max sustained winds - 070 kt, gusts 085 kt wind radii valid over open water only radius of 064 kt winds - 025 nm northeast quadrant 025 nm southeast quadrant 025 nm southwest quadrant 025 nm northwest quadrant radius of 050 kt winds - 050 nm northeast quadrant 045 nm southeast quadrant 045 nm southwest quadrant 050 nm northwest quadrant radius of 034 kt winds - 100 nm northeast quadrant 095 nm southeast quadrant 095 nm southwest quadrant 100 nm northwest quadrant vector to 36 hr posit: 270 deg/ 06 kts --- 36 hrs, valid at: 141200z --- 16.6n 131.2e Max sustained winds - 080 kt, gusts 100 kt wind radii valid over open water only radius of 064 kt winds - 030 nm northeast quadrant 030 nm southeast quadrant 030 nm southwest quadrant 030 nm northwest quadrant radius of 050 kt winds - 055 nm northeast quadrant 050 nm southeast quadrant 050 nm southwest quadrant 055 nm northwest quadrant radius of 034 kt winds - 110 nm northeast quadrant 100 nm southeast quadrant 100 nm southwest quadrant 110 nm northwest quadrant vector to 48 hr posit: 275 deg/ 07 kts --- extended outlook: 48 hrs, valid at: 150000z --- 16.7n 129.7e Max sustained winds - 090 kt, gusts 110 kt wind radii valid over open water only radius of 064 kt winds - 035 nm northeast quadrant 035 nm southeast quadrant 035 nm southwest quadrant 035 nm northwest quadrant radius of 050 kt winds - 060 nm northeast quadrant 055 nm southeast quadrant 055 nm southwest quadrant 060 nm northwest quadrant radius of 034 kt winds - 115 nm northeast quadrant 105 nm southeast quadrant 105 nm southwest quadrant 115 nm northwest quadrant vector to 72 hr posit: 290 deg/ 07 kts --- 72 hrs, valid at: 160000z --- 17.7n 127.1e Max sustained winds - 100 kt, gusts 125 kt wind radii valid over open water only radius of 064 kt winds - 040 nm northeast quadrant 040 nm southeast quadrant 040 nm southwest quadrant 040 nm northwest quadrant radius of 050 kt winds - 065 nm northeast quadrant 060 nm southeast quadrant 060 nm southwest quadrant 065 nm northwest quadrant radius of 034 kt winds - 125 nm northeast quadrant 115 nm southeast quadrant 115 nm southwest quadrant 125 nm northwest quadrant vector to 96 hr posit: 315 deg/ 08 kts --- long range outlook: note...errors for track have averaged near 250 nm on day 4 and 350 nm on day 5... and for intensity near 20 kt each day. --- 96 hrs, valid at: 170000z --- 20.0n 124.8e Max sustained winds - 105 kt, gusts 130 kt wind radii valid over open water only vector to 120 hr posit: 315 deg/ 08 kts --- 120 hrs, valid at: 180000z --- 22.2n 122.6e Max sustained winds - 105 kt, gusts 130 kt wind radii valid over open water only --- remarks: 130300z position near 16.9n 134.2e. Tropical storm 09w (Sepat) located approximately 670 nm southeast of Naha, Okinawa, has tracked west-southwestward at 05 knots over the past 06 hours. Maximum significant wave height at 130000z is 15 feet. Next warnings at 130900z, 131500z, 132100z and 140300z.//