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| a large body of air in the lower troposphere that has similar characteristics throughout |
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| warmer than cA but still cold and dry |
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| the boundary that separates opposing air masses |
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| the boundary between an advancing cold air mass and the warmer air mass it is displacing |
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| the boundary between a cold air mass being displaced by a warm air mass |
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| when a warm air mass is caught between two cold air masses and is forced to rise |
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| not moving forward; the warmer air rises over the denser, colder air |
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| storms with lighting, thunder, rain, and sometimes hail |
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| lines ahead of a front that thunderstorms could occure in often preceded by strong winds. |
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| very large single-cell thunderstorms with particularly strong updrafts |
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| a discharge of exectricity from a thundercloud to the ground, another cloud, or another spot withing the could itself |
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| a violently rotating column or air that usually touches the ground |
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| a large rotating storm of tropical origin that has sutained winds of at least 119 kilometers per hour |
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| the strong winds of the eye wall blow water into a broad dome |
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| what meteorologists rate a hurricane's strength with |
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| a winter storm characterized by high winds, low temperatures, and falling or blowing snow |
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| includes info on temperature, dew point, weather conditions, wind speed and direction, barometric pressure, and cloud cover |
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