TABLE B.37 OBSERVED WIND VELOCITIES ABOVE THE STANDARD PLATFORMS Relative wind direction is measured clockwise from the bow of all vessels, and indicates the direction from which the wind is blowing. No recording anemometers were installed on YFNB 13~E and YFNB 29-H; the LST 611 instrument malfunctioned. Time Relative Wind Velocity Time Relative Wind Velocity H+hr Direction Speed H+hr Direction Speed From To degrees knots From To degrees knots YAG 40 ZU YAG 39 ZU 3.35 3.55 3.85 3.55 3.85 4.20 125 130 130 il 12 il 12.7 13.0 14.0 4.55 4.85 130 13 16.0 5.20 5.55 5.85 6.15 6.25 6.55 5.55 5.85 6.15 6.25 6.55 6.85 11 10 14 17 19 21 7.30 7.55 7.65 9.00 7.55 7.65 9.00 10.00 18.0 19.0 20.0 21.0 22.0 23.0 24.0 25.0 4.20 4.85 10.00 4.55 5.20 11.00 130 135 135 135 130 130 to 350* 350 355 40 255 255 to 325* 325 340 340 11.00 12.00 13.00 12.00 13.00 14.00 335 335 345 16.00 17.00 15 6.05 6.60 7.30 8.35 14.00 15.00 17.00 6.60 7.00 7.05 8.35 9.20 9.30 9.50 9.70 10.00 10.30 10.40 10.45 10.90 11.10 11.25 11.60 15.006 16.00 18.00 7.00 7.05 7.50 9.20 9.30 9.50 9.70 10.00 10.30 10.40 10.45 10.90 11.10 11.25 11.60 11.65 11.65 11.90 11.90 12.40 12.40 12.55 12.55 12.90 10 10 13 18 15 15 16.0 355 17.0 18.0 335 26.0 27.0 28.0 29.0 17.0 19.0 20.0 21.0 22.0 23.0 24.0 25.0 26.0 27.0 28.0 23.0 30.0 15 17 17 0 16 15 40 350 18 350 to 235 f 235 235 to 135 * 18 13 18 135 to 25f¢, ¢ 25 25 to 275 * 275 16 18 14 15 235 to 135 * to 25T to 315 * to 325 f 1 10 0 0 15.0 15 17 17 355 355 275 25 25 315 315 325 375 60 60 13.0 14.0 15.0 4.35 5.65 5.30 6.70 6.80 8.30 8.45 10.30 10.60 12.25 12.60 13.30 13.35 2.20 2.35 5.65 5.80 6.70 6.80 8.30 8.45 10.30 10.60 12.25 12.60 13.30 13.35 15.25 2.35 2.50 19 18 17 18 340 17 18 340 350 0 350 0 355 355 5 17 16 16 17 18 18 18 19 25 30 25 15 18 17 18 15 39 5 Sto 85* 85 85 to 295 ft 15 39 265 265 to 25* 25 25 90 90 10 10 295 295 85 6.10 6.30 6.30 7.00 305 to 85 45* 45 45 to 90T 14 12 90 90 to 85* 11 13 5.00 5.20 297 5.20 6.10 16 15 13 15 290 to 75* 15 75 to 15* 2.60 2.70 2.80 2.90 3.10 3.36 4.10 4.30 5.00 to 15 295 to 80* 80 80 to 290f 290 2.50 2.60 2.70 2.80 2.90 3.10 3.30 4.10 4.30 60* 18 16 295 14 15 14 16 12 16 15 15 12 to 17 16 to 90* to 10t to 295 tf to 85* 85 to 30ST 305 85* 14 17 14 - 15 16 18 18 18 18 16 16 17 17 13 18 18 17 17 17