Warm air rises and cools to form clouds while cold air stays low, pushing warm air up, leading to frontal rainfall. Cirrus clouds, which are very high and thin, occur during frontal rainfall. Rain occurs when the warm air reaches mountains and loses energy.

1. FRONTAL RAINFALLBy Holly & Lizzie

2. Warm air goes up, cools down and forms a cloud. Cold air stays down, forcing warm heat upwards.Cold airWarm air

3. Cirrus Clouds occur in frontal rainfall. They are very high in the sky and look very thin and delicate.And then it rains when it reaches a mountain and looses its energy!

4. Thank You!