30 - Natural Hazards Final Assignment Problem Data Input...

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Natural Hazards 30/10/2008 12:45:00 Final Assignment Problem – Data – Input – Analysis  Severe Weather Thunderstorms where fronts of cool and hot air meet Ways clouds form: o The air mass moves up the mountain and at the top clouds are formed  when they become saturated (orographic lifting) o Warmer air moves over the colder air (frontal lifting) o Land becomes heated and air rises until saturation point (convection) o Two air flows meet on the ground and are driven upwards Dry line o Warm air from the gulf meets cold dry air form the west that can extend  over the entire US Tornado Alley o Over 1000 tornadoes a year NEED: o Warm air o Dry air o Dry line Unstable air that lifts upwards  What can fall from the sky? o FISH Water spout The cumular nimbus can actually burst into the troposphere Wind Shear
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o Vertical change in wind velocity (speed or direction)
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This note was uploaded on 03/02/2009 for the course GEOG 260Lg taught by Professor Curtis during the Fall '07 term at USC.

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30 - Natural Hazards Final Assignment Problem Data Input...

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