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Weather week 7

El Nino Warmer than sea-surface temperatures in the tropical Pacific Ocean that have an effect on global weather.
La Nina cooler-than-normal sea surface temperatures in the central and eastern Pacific Ocean, near the equator off the west coast of South America.
drought A prolonged shortage of rainfall.
cold front When a COLD AIR MASS pushes into a warm air mass.
warm front When a WARM AIR MASS pushes into a cold air mass.
occluded front A front that develops when two masses of cold air meet.
boundary A line that shows where an area ends and another area begins.
air mass A large body of air that has the same temperature and moisture level throughout.
heat The transfer of thermal energy. (Example: How hot something is)
jet streams High speed winds in the upper atmosphere that flow from WEST to EAST.
Stationary Front When a cold front or a warm front stays in a place for several days without invading another front. 
Created by: 12048123