What is a meteorologist? Why is it important to make a forecast? Warm Up What is a meteorologist? Why is it important to make a forecast? https://www.youtube.com/watch?v=9U0W3-pruuY

Air Masses large body of air that has the same properties as the area of the Earth’s surface over which it forms. For example, deserts produce hot dry air masses.

Air Masses (continued) Cool Dry Cool Moist Cool Moist Warm Moist Warm Dry Warm Moist

Fronts Fronts: The place where air masses meet is called a front. Weather is caused by the way these air masses interact. Fronts https://www.youtube.com/watch?v=9U0W3-pruuY

Cold Fronts Incoming dense cold air pushes up warm air This forms a narrow band of violent storms http://www.youtube.com/watch?v=9U0W3-pruuY

Warm Fronts Warm air slides over departing cool air. This forms feathery clouds then stratus then rain. http://www.phschool.com/atschool/phsciexp/active_art/weather_fronts/

Stationary Front A cool air mass and a warm air masses meet and stop moving (neither one advances). This causes a few days of rainy and windy weather.

Create a front flip book Follow all directions to create your study book SHARE all color pencils, scissors, and supplies Not sure what to do? S-N-O-T PUT YOUR NAME ON THE BACK OF IT!!! Write description and weather that it brings on the inside! Draw Picture on the front! Label -- Cold Front Warm Front Stationary

Work on Fronts Sheet Tornado Oklahoma City 2013 Hurricane Sandy 2012 http://www.youtube.com/watch?v=Mp29NF9jQqg https://www.youtube.com/watch?v=YeutC1WN6dc