thunderstorm

UK/ˈθʌn.dəˌstɔːm/US/ˈθʌn.dɚˌstɔɹm/

nounB1+Occasional — familiar, but not everyday · #9,900 of 15,258neutral

Other forms: thunderstorms

A thunderstorm is a storm with both flashes and crashes. A summer thunderstorm, shelter from the thunderstorm, thunderstorms forecast.

The thunder is the sound of air exploding outward from the lightning channel, which is heated to several times the surface temperature of the sun in a fraction of a second. Counting the seconds between flash and crash gives roughly three kilometres for every ten.

Definitions of thunderstorm

1nounthunderstormA storm with both flashes and crashes.B1+
“The thunderstorm knocked out the power, and we sat in the dark with candles.”

thunderstorm is a storm.

Where it comes from

Thunder plus storm. Thunder is Old English thunor, from the same root as the god Thor.

From thunder + storm.

Etymology from Wiktionary, CC BY-SA

Practised in Weather & Seasons

Practise this word

thunderstorm in the wild

Hail formation requires environments of strong, upward motion of air within the parent thunderstorm (similar to tornadoes) and lowered heights of the freezing level.
Hail
Strong or severe thunderstorms include some of the most dangerous weather phenomena, including large hail, strong winds, and tornadoes.
Thunderstorm
There are three types of thunderstorms: single-cell, multi-cell, and supercell.
Thunderstorm
Due to this, these storms are sometimes referred to as rotating thunderstorms.
Supercell
Modern weather surveillance technology such as Doppler weather radar can detect rotation in a thunderstorm, allowing for early warning before a tornado develops.
Tornado warning

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From Wikipedia, CC BY-SA 4.0. These sentences were written by other people about their own subjects; they are here to show the word at work, not as anybody’s opinion.

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