Category Archives: Weather Dangers

What is a red flag warning?

The National Weather Service issues, and cancels, fire weather watches (FWW), and red flag warnings (RFW) in coordination with the Wisconsin Department of Natural Resources and the U.S. Forest Service.

The weather service will not issue official warnings until certain threshold values, called red flag criteria, are forecast to occur. Red flag criteria differ from state to state. They usually include relative humidity values of 20% or less, winds of 20 mph or higher, and dry fuel conditions. Red Flag Warnings are usually only issued during the spring and fall fire weather seasons. Continue reading

Category: Meteorology, Severe Weather, Weather Dangers

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How is tornado intensity determined?

A deadly tornado outbreak took place Wednesday through Friday in the southern United States.

Tornadoes are classified based on the damage the tornado does, which enables us to estimate the wind speed of its rotating winds.
All tornadoes are assigned a single number from the Enhanced Fujita scale, abbreviated EF, according to the most intense damage caused by the storm. Continue reading

Category: Meteorology, Severe Weather, Weather Dangers

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What is Madison’s longest stretch of frigid temperatures?

After a relatively mild start, this winter has suddenly turned a bit more menacing.

With last Thursday’s 3.5 inches of snow, Madison officially moved above its seasonal average snowfall for the first time all winter. We have received 36 inches, while the average to date is about 33 inches. Continue reading

Category: Meteorology, Severe Weather, Weather Dangers

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What is the “Ice Bowl”?

The “Ice Bowl” refers to the National Football League’s championship game between the Green Bay Packers and the Dallas Cowboys that occurred on Dec. 31, 1967, at Lambeau Field in Green Bay.

The game was for the NFL title. The Packers entered the contest as the two-time defending NFL champions trying to become the first team in the league history to win three consecutive championships. Continue reading

Category: Seasons, Severe Weather, Weather Dangers

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Will spring temperatures affect the COVID-19 outbreak?

The COVID-19 outbreak continues to expand across the U.S. and globally. What happens when spring and warmer weather arrives?

Some viral respiratory diseases, such as influenza, are seasonal, and cases decrease in the spring and summer. However, we do not know what to expect from the new coronavirus that causes COVID-19. Continue reading

Category: Meteorology, Phenomena, Weather Dangers

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