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Does lightning travel from the earth to the sky, or from the sky downward?
Lightning travels both ways.
Lightning is a huge electrical discharge that results from vigorous motions that occur in thunderstorms. Lightning can travel from cloud . . . Continue reading
Category: Severe Weather
Tags Lightning, Phenomena, Severe Weather, Thunderstorms
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Tags Lightning, Phenomena, Severe Weather, Thunderstorms
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What’s behind the Nationwide Outbreaks of Deadly Tornadoes?
The enormous loss of life associated with the 2011 tornado season thus far is truly staggering.
After the Joplin, Mo., tornado May 22 and the recent . . . Continue reading
Category: Severe Weather
Tags Dangers, Severe Weather, Spring, Summer, Thunderstorms, Tornadoes, Unstable
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Tags Dangers, Severe Weather, Spring, Summer, Thunderstorms, Tornadoes, Unstable
Comments Off on What’s behind the Nationwide Outbreaks of Deadly Tornadoes?
What Causes Tornadoes?
A tornado is a powerful column of winds that rotate around a center of low pressure. The winds inside a tornado spiral inward and upward, often exceeding speeds of 300 mph. For a thunderstorm to produce a tornado requires warm humid air near the surface with cold dry air above. Continue reading
Category: Severe Weather
Tags Severe Weather, Thunderstorms, Tornadoes, Unstable
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Tags Severe Weather, Thunderstorms, Tornadoes, Unstable
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When is the Severe Weather Season?
As the threat of winter snows recedes across the country, it is replaced by the threat of severe weather (i.e. thunderstorms with hail, damaging winds and tornadoes). The severe weather season, though broadly spanning March – August across the United States, is actually quite regional. Continue reading
Category: Severe Weather
Tags Seasons, Severe Weather, Thunderstorms
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Tags Seasons, Severe Weather, Thunderstorms
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How Much does Snow Evaporate?
I notice that when the snow builds up in my patio, it starts to evaporate after a few days, even though the temperature is still below freezing. On average, what percentage of our snowfall each year evaporates back into the cold, dry air? Continue reading
Category: Severe Weather
Tags Evaporation, Snow, Sublimation
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Tags Evaporation, Snow, Sublimation
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