Thunderstorms in the context of "Cumulonimbus cloud"

Play Trivia Questions online!

or

Skip to study material about Thunderstorms in the context of "Cumulonimbus cloud"

Ad spacer

⭐ Core Definition: Thunderstorms

A thunderstorm, also known as an electrical storm or a lightning storm, is a storm characterized by the presence of lightning and thunder. Relatively weak thunderstorms are sometimes called thundershowers. Thunderstorms occur in cumulonimbus clouds. They are usually accompanied by strong winds and often produce heavy rain and sometimes snow, sleet, or hail, but some thunderstorms can produce little or no precipitation at all. Thunderstorms may line up in a series or become a rainband, known as a squall line. Strong or severe thunderstorms include some of the most dangerous weather phenomena, including large hail, strong winds, and tornadoes. Some of the most persistent severe thunderstorms, known as supercells, rotate as do cyclones. While most thunderstorms move with the mean wind flow through the layer of the troposphere that they occupy, vertical wind shear sometimes causes a deviation in their course at a right angle to the wind shear direction.

Thunderstorms result from the rapid upward movement of warm, moist air, sometimes along a front. However, some kind of cloud forcing, whether it is a front, shortwave trough, or another system is needed for the air to rapidly accelerate upward. As the warm, moist air moves upward, it cools, condenses, and forms a cumulonimbus cloud that can reach heights of over 20 kilometres (12 mi). As the rising air reaches its dew point temperature, water vapor condenses into water droplets or ice, reducing pressure locally within the thunderstorm cell. Any precipitation falls the long distance through the clouds towards the Earth's surface. As the droplets fall, they collide with other droplets and become larger. The falling droplets create a downdraft as it pulls cold air with it, and this cold air spreads out at the Earth's surface, occasionally causing strong winds that are commonly associated with thunderstorms.

↓ Menu

>>>PUT SHARE BUTTONS HERE<<<
In this Dossier

Thunderstorms in the context of God of thunder

Polytheistic peoples from many cultures have postulated a thunder deity, the creator or personification of the forces of thunder and lightning; a lightning god does not have a typical depiction and will vary based on the culture.

In Indo-European cultures, the thunder god is frequently depicted as male and known as the chief or King of the Gods, e.g.: Indra in Hinduism, Zeus in Greek mythology, Zojz in Albanian mythology, and Perun in ancient Slavic religion.

↑ Return to Menu

Thunderstorms in the context of Hurricane Hugo

Hurricane Hugo was a powerful tropical cyclone that inflicted widespread destruction across the northeastern Caribbean and the Southeastern United States in September 1989. The eleventh tropical cyclone, eighth named storm, sixth hurricane, and second major hurricane of the 1989 Atlantic hurricane season, Hugo arose from a cluster of thunderstorms near Cape Verde on September 10, 1989. This cluster coalesced into a tropical depression and strengthened into Tropical Storm Hugo as it tracked west across the Atlantic Ocean for several days. On September 13, Hugo became a hurricane and continued to intensify through September 15 when its sustained winds peaked at 160 mph (255 km/h), making it a Category 5 hurricane on the Saffir–Simpson scale. Between September 17 and 21, Hugo made landfall on Guadeloupe, Saint Croix, Puerto Rico, and lastly South Carolina, with major hurricane strength winds. The storm weakened inland and accelerated north over the Eastern United States, transitioning into an extratropical cyclone on September 23 before it was last noted in the far northern Atlantic on September 25.

Hugo left extensive damage in its wake, causing 61 deaths and $11 billion (equivalent to $28 billion in 2024) in damage, which at the time, made it the costliest tropical cyclone on record worldwide. Guadeloupe bore the brunt of the storm in the Leeward Islands. Three thousand houses were unroofed, contributing to the displacement of 35,000 people from their homes. Hugo was Montserrat's costliest hurricane on record and brought down the island's entire power grid. Ninety percent of homes on the island suffered significant to total roof loss after the island was struck by the eyewall. The hurricane's impacts continued into the Virgin Islands and Puerto Rico, causing over $1 billion in damage. Wind gusts up to 168 mph (270 km/h) were measured in Saint Croix, where property damage exceeded $500 million with over 90 percent of buildings damaged; three people were killed on the island. Widespread damage occurred in Puerto Rico and much of the island suffered power and water service failures. Eight people were killed in Puerto Rico and nearly 28,000 people were left homeless. In the mainland United States, coastal South Carolina was hit by record setting storm surge heights, reaching 20.2 ft (6.2 m) near McClellanville. The surge and strong winds wrought extensive damage to buildings and infrastructure across South Carolina, and caused 13 deaths. Flood and wind impacts followed Hugo across much of the Eastern United States into Eastern Canada.

↑ Return to Menu

Thunderstorms in the context of Squall line

A squall line, or quasi-linear convective system (QLCS), is a line of thunderstorms, often forming along or ahead of a cold front. In the early 20th century, the term was used as a synonym for cold front (which often are accompanied by abrupt and gusty wind shifts). Linear thunderstorm structures often contain heavy precipitation, hail, frequent lightning, strong straight-line winds, and occasionally tornadoes or waterspouts. Particularly strong straight-line winds can occur where the linear structure forms into the shape of a bow echo. Tornadoes can occur along waves within a line echo wave pattern (LEWP), where mesoscale low-pressure areas are present. Some bow echoes can grow to become derechos as they move swiftly across a large area. On the back edge of the rainband associated with mature squall lines, a wake low can be present, on very rare occasions associated with a heat burst.

↑ Return to Menu