Postman Pat - Depressions

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Presentation transcript:

Postman Pat - Depressions How do people forecast the weather? What is the weather like in a depression? What are the different stages? Read page 34/35 Key Words Weather forecast, anticyclone, satellites, weather systems, high pressure, low pressure, Depression, clockwise.

Cross section through a depression

Area of lowest pressure Warm Front Occluded Front Warm sector Showers Behind the cold front. Cold Front

Postman Pat does Depressions!

Warm Front Area of low pressure Cold Front Pat

Describe the direction of air flow in a depression.

Draw the direction of air flow Low Pressure Warm Front Cold Front Warm Sector Draw the direction of air flow Where Is Pat?

Why are there clouds here? Why are there showers here? Frontal Convection or Relief rainfall. Why is it clearer here?

Showers after the Cold Front Rain, Thunder and Lightening 1 2 Warm Front Cirrus Clouds Nimbostratus Clouds Intermittent Showers Cold Front Warm Sector Continuous Rain Showers after the Cold Front Rain, Thunder and Lightening Cumulonimbus clouds

Your Turn Work through the activities sheet And…….. Extra