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According to the Weather Channel, the worst thunderstorm in the U.S. in terms of cost took place on May 5, 1995 in Fort Worth, Texas. Hail damage alone was over $2 billion, not counting wind or rain damages. Prior to this, only hurricanes had damage figures in the billions.


Meteorologists use the Lifted Index (LI) to estimate the atmosphere's potential to produce severe thunderstorms. The Lifted Index measures the temperature of rising air in the atmosphere to determine the likelihood of a thunderstorm. Satellite imagery is also used to track thunderstorms.


When a thunderstorm occurs, the first thing you should do is get inside a sturdy structure if possible to avoid potential lightning strikes. If a building is not available, a hard-top car would be the next choice, followed by any low sheltered area that is away from trees or other tall objects. Avoi


"Scattered thunderstorms" means that at any given moment, 30 to 50 percent of a particular area could experience an active storm, according to Aerostorms. This term deals with coverage, not intensity.


Though the chances of being struck by lightning while taking a shower, during a thunderstorm, are extremely small, lightning that hits a house can travel through metal pipes and shock anyone who touches a faucet. Approximately 10 to 20 people are harmed this way each year in the United States.


Thunderstorms and tornadoes are related because tornadoes always form out of thunderstorms. Specifically, tornadoes develop when there's a steady upward flow of warm air, which is generally lower in pressure than cool air.


Frontal thunderstorm are storms that develop at the boundary or front of two different masses of air. This means frontal thunderstorms depend less on the season of the year compared to the thermal thunderstorms.


An isolated T-storm in a weather report means that a small percentage, typically between 10 percent and 20 percent of the affected area may see a thunderstorm. The clouds are usually a part of a squall line, which usually proceeds a cold front.


A meteorologist uses satellite imagery, air observations and computer models to predict thunderstorms. According to The Weather Channel, thunderstorm forecasting is very similar to the forecasting used to predict tornadoes.


An isolated thunderstorm is a rain-producing storm that impacts a relatively small portion of a meteorologist's forecast territory. Aerostorms indicates that an isolated T-storm affects only 10 to 20 percent of a populated area, while The Washington Post defines an isolated storm as one that affects