sheet lightning


Also found in: Dictionary, Wikipedia.
Related to sheet lightning: sheet lighting, ribbon lightning, Bead lightning

sheet lightning

[′shēt ¦līt·niŋ]
(geophysics)
A diffuse, but sometimes fairly bright, illumination of those parts of a thundercloud that surround the path of a lightning flash, particularly a cloud discharge or cloud-to-cloud discharge. Also known as luminous cloud.

anvil crawler

Slang for a lightning discharge occurring within the anvil of a thunderstorm. It is characterized by one or more channels that appear to crawl along the underside of the anvil. They typically appear during the weakening or dissipating stage of the parent thunderstorm or during an active mesoscale convective system. Also called sheet lightning.
References in periodicals archive ?
The sheet lightning struck a gold chain which Campbell was wearing round his neck.
Shaken goldfoil gives off broad glares like sheet lightning and also, and this is true of nothing else, owing to its zigzag dints and creasings and network of small many cornered facets, a sort of fork lightning too.
19) The difference in these actions parallels, in time rather than in space, the different types of shining Hopkins sought from his foil: the fork lightning with its intense, localized concentrations, and the sheet lightning which, though quick, emits a more homogenous glow.
For example, in "Sheet-Lightning Epopee or Once Again for Thucydides," the narrator is literally guided by flares of sheet lightning in the sky to the literal and mythic wonders of the Pleiades, while "Attempt to Exorcise One Story with Another" finds the narrator watching as the touch of a small blue butterfly releases the screams of children persecuted during World War II, "almost a half century after their deportation, but only now as they should.
By telling such tales in all their complexity, Gilbert suggests that American culture is created "not by isolated subcultures operating according to their own rules in self-styled obscurity, but by groups and individuals reacting to questions that discharge like sheet lightning across the sky.
On Thursday, much of southern Scotland was hit by downpours of heavy rain, sheet lightning and thunder.
AS Cathy Freeman tilted around the final bend, Stadium Australia was struck by the sheet lightning of 100,000 flashbulbs.
As thunderstorms ravaged south east England, a party of 14 overseas students were hit by sheet lightning in Twickenham, London.