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Scientists and weather forecasters use weather maps to help them see weather patterns.
They place symbols on the maps to help them see what is going on with the weather in various parts of the country.
A Cold Front symbol shows the edge of a mass of cool air.
A Warm Front symbol shows the edge of a warmer air mass.
A Stationary Front means neither the warm air or the cool air are moving very much.
How many fronts can you identify on this map?
A large H means an area of higher pressure. Higher pressure usually means nice, clear weather.
Which state has high pressure?
A large L means an area of lower pressure. Lower pressure usually means clouds, rain, or snow.
How many Lows are on this map?
Click above to view the different Air Masses!
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TheH stands for a High Pressure System This usually means CLEAR WEATHER. TheL stands for a Low Pressure System This usually means STORMY weather.
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