UA Hem - N. Hem 300 mb -48 hr
This plot is comprised of 300 mb wind speeds and 300 mb heights. The color contours are 300 mb wind speeds. The maximum speeds at this level denote the location of jet streams and/or cores. A jet core is a discontinuous area of bold winds often greater than 100 knots. The line contours are 300 mb heights contoured at 120m. This shows the direction of winds at this level.