A unique feature of a comparative essay is that you have several different organizational strategies to choose from. 1  Use a traditional outline form if you would like to, but even a simple list of bulleted points in the order that you plan to present them would help.
A warm front is the transition zone in the atmosphere where an advancing warm subtropical, moist air mass replaces a retreating cold, dry polar air mass. On a weather map, a warm front is drawn as a solid red line with half-circles. The position of the half-circles shows the direction of frontal movement.
THe most complex front, where a warm air mass is caught between two cold air masses. The denser cold air moves under the less dense warm air and push the warm air upward. The two warm air masses meet in the middle and may mix. The temperature near the ground becomes cooler. The warm air mass is cut off or occuluded from the ground.