[ابو امين]

850 mb


<SMALL>The 850 mb chart shows weather conditions </SMALL>



500 mb

<SMALL>The 500 mb chart shows the absolute vorticity (in color contours), the height field (bold white lines),temperature in Celsius (thin red lines) and wind vectors.</SMALL>



300 mb

<SMALL>The 300 mb chart shows the winds at the 300 mb level. The wind speeds are shown as color contours, the heights (bold white lines), temperatures in Celsius (thin red lines) and the vectors show wind direction and speed.</SMALL>