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What is a 100-year storm?

The phrase “100-year storm” refers to the estimated probability of a storm event happening in any given year. A 100-year event has a 1 percent chance (or 1-in-a-100 chance) of occurring in any given year. The term “100-year flood” allows … Continue reading

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How severe was our just-completed meteorological winter?

Employing data from the last 70 winter seasons (December, January and February) we have been examining the extent of air colder than 23 degrees over the Northern Hemisphere. This year’s winter season was the 23rd warmest of the last 70. … Continue reading

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Does the U.S. have a new weather satellite?

Yes! The U.S. launched a new weather satellite on Thursday March 1st. This is the second in a series of four next-generation weather satellites now in orbit 22,300 miles above the Earth. It will reach its final orbit location in … Continue reading

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Is severe weather season about to begin?

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 through August across the United … Continue reading

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What is an ice fog?

Each year about 700 fatalities occur in the United States as a result of traffic accidents during fog. A combination of high speed and low visibility is often to blame. A small patch of fog contributed to a fatal multi-car … Continue reading

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