UA Mandatory Level - 300 mb -48 hr
This is a composite upper air plot for the 300 and 200 mb level. The plot contains a individual station reports for that level along with contours of height (bold light gray lines) every 120 meters and wind speed (blue dashed lines) every 20 knots at 10,30,50,70,... knots. Wind speed areas between 70 and 110 knots are shaded in stippled dark blue. Wind areas between 110 and 150 knots are shaded in solid blue. Winds greater than 150 knots are once again shaded in stippled dark blue.