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Thunderstorms occur mainly in spring and summer. They are characterized by flashes of lightning and rumbles of thunder. ... How do they form? ... When humid air is lifted, it will be cooled and the moisture in the air will condense to form cloud. Upon further uplifting, the cloud will extend higher. Water droplets in the...
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www.hko.gov.hk/education/edu01met/wxphe/ele_thunderstor...
www.hko.gov.hk/education/edu01met/wxphe/ele_thunderstorme.htm
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A cumulonimbus cloud results when it grows to a height of 10 kilometres to 20 kilometres. Thunderstorms are produced by cumulonimbus clouds. Here are 3 things thunderstorms need to form: ... Lift fronts -sea breezes and mountains are capable of lifting the air to help form thunderstorms.
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schools.sd68.bc.ca/FORE/ireland/2006/jr/howdothundersto...
schools.sd68.bc.ca/FORE/ireland/2006/jr/howdothunderstormsform.html
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Learn how thunderstorms form, and how they can be dangerous to you. ... Lift - fronts, sea breezes and mountains are capable of lifting air to help form thunderstorms.
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www.fema.gov/kids/thunder.htm
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Thunderstorms form and die out within the storm. Cells continue to form within the clouds as the multicell storm regenerates itself. A total of thirty or more cells may develop during the lifetime of a storm.
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www.weather.com/encyclopedia/thunder/form.html
www.weather.com/encyclopedia/thunder/form.html
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Qustions and Answers about Thunderstorms and Severe Weather ... Ball Lightning: Rarely seen, this is lightning in the form of a grapefruit-sized ball, which lasts only a few seconds. Bolt from the blue: A lightning bolt from a distant thunderstorm, seeming to come out of the clear blue sky, but really from the top or edge...
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www.wxdude.com/page5.html
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As wind shear organizes the convection, new thunderstorms form as a result of parent thunderstorm outflows converging with warm, moist inflow creating new updrafts. Multicell storms can form in a line known as a squall line, where continuous updrafts form along the leading edge of the outflow, or gust front.
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weather.cod.edu/sirvatka/ts.html
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