Category Archives: Severe Weather

What is energy’s relationship with rain?

Many locations across the country (and the world) have been experiencing unusually heavy rainfalls this summer.

Though in Madison we have had a relatively benign month of August in terms of temperature and humidity, we have still managed to find ourselves 2.09 inches above normal for rainfall for the month prior to Sunday’s rain. Continue reading

Category: Meteorology, Severe Weather

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Are heat waves increasing?

A heat wave is a period of abnormally and uncomfortably hot and usually humid weather.

The World Meteorological Organization is specific in its definition by stating that a heat wave is when the daily maximum temperature for more than five consecutive days exceeds the average maximum temperature by 9 degrees. Continue reading

Category: Climate, Meteorology, Severe Weather

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What causes lightning?

Charges form in a storm composed of ice crystals and liquid water drops. Winds inside the storm cause particles to rub against one another, causing electrons to be stripped off, making the particles either negatively or positively charged.

The charges get grouped in the cloud, often negatively charged near the bottom of the cloud and positively charged up high. This is an electric field, and because air is a good insulator, the electric fields become incredibly strong. Continue reading

Category: Meteorology, Phenomena, Severe Weather

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How can you report tornadoes?

The National Weather Service is always looking for trained volunteers to provide severe weather reports, including reports of tornadoes.

Its spotter training sessions are free and last between 90 minutes and two hours. Trained volunteers receive certificates and are added to the National Oceanic Atmospheric Administration, or NOAA, database of weather spotters. They also receive a Spotter ID. A virtual training option is also available. Continue reading

Category: Meteorology, Severe Weather, Weather Dangers

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What does the hurricane season look like?

The official Atlantic basin hurricane season runs from June 1 through Nov. 30, with an average of 10 to 15 storms each year.

The peak of activity in the Atlantic basic runs from mid-August to mid-October. During that subset of the entire season, more than 70% of all storms in the last 100 years have occurred. Continue reading

Category: Climate, Severe Weather, Tropical

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