Types:
1. Rain
storms/Snow Storms
2. Thunderstorms
3. Tornados
4. Hurricanes
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Warm front meets cold front
o
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§ Summer=
rain winter= snow
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Forms when cold front hits warm front
o
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Heavy rainstorms with thunder and
lightning
o
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o
Happens when the lightning heats up the
air, causing air to expand, this expansion results in a sound wave: Thunder
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o
Develops in low, heavy cumulonimbus clouds
o
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Avg
size: .4 km (~.25 miles)
Avg. path: 6 km (~3.7 miles)
Winds greater than 59
mph
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Tornado Alley
o
In US- Great Plains area
o
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Form in summer
o
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§ Warm,
moist air rises
§ Cool
air moves in and air begins to spin
§ Air
pressure in center drops, air spins faster and is drawn in to center
§ Rising
air in center forms doughnut-shaped wall of winds, clouds, and rain
· Air
is calm in center: called the “EYE”
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Heavy rain may cause flooding
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