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Lightning is a natural phenomenon formed by electrostatic discharges through the atmosphere between two electrically charged regions, either both in the atmosphere or one in the atmosphere and one on the ground, temporarily neutralizing these in a near-instantaneous release of an average of between 200 megajoules and 7 gigajoules of energy, depending on the type.
A person who was affected by a nearby lightning strike. Note the slight branching redness traveling up the victim's leg from the effects of the current. Common injuries caused by lightning include: muscle pains, broken bones, cardiac arrest, confusion, hearing loss, seizures, burns, behavioral changes, and ocular cataracts.
The effects of tropical cyclones include heavy rain, strong wind, large storm surges near landfall, and tornadoes. The destruction from a tropical cyclone, such as a hurricane or tropical storm, depends mainly on its intensity, its size, and its location. Tropical cyclones remove forest canopy as well as change the landscape near coastal areas ...
However, the potential exists for severe thunderstorms to roll through some communities, which can be damaging. In less than 12 hours, Des Moines, Iowa, was blasted by two rounds of severe ...
Thunderstorm asthma is the triggering of an asthma attack by environmental conditions directly caused by a local thunderstorm. During a thunderstorm, pollen grains can absorb moisture and then burst into much smaller fragments with these fragments being easily dispersed by wind.
The severe thunderstorm threat this week is expected to feature a heightened flood risk in addition to all other hazards that come along with severe thunderstorms. This heightened risk will come ...
If the value is negative, then the lower portion of the atmosphere is unstable, with thunderstorms expected when the value is below −3. [7] The application of the Showalter index is especially helpful when there is a cool, shallow air mass below 850 hPa that conceals the potential convective lifting.
For tornadoes to form, we need thunderstorms, which have very strong updrafts and downdrafts, said Bill Gallus, a professor in the department of Geological and atmospheric sciences at Iowa State ...
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