HEIGH? Ha13 (Theds Ft) 30wt= «240/20 25° 20 15 10 08 06 Ob 02 SFC 210/14 170/12 « ra 160/13 150/19 - HAF" Hendy 21,0/35 230/35 240/30 220/45 wv (05)120/15 260/10 290/04 oes 080/15 080/15 060/08 050/05 070/20 060/15 a. 220/40 250/25 oe? 050/05 os0/15 o80/15 070/20 060/15 Comments on winds: (1) 60% of tha forecast wind directions were within ten degrees of the observed, 80% of the forecast wind directions were within thirty de grees. The greatest deviation from the forecast winda was 70 degrees at 8000 feet, (2) 60% of the forecast wind speeds deviated six knots or less from the observed, and 93% deviated ten knots or lese, The maximus error was sixteen knots at 55,000 feet, immediately below the tropopause, N=9