blue jet

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Noun1.blue jet - atmospheric discharges (lasting 10 msec) bursting from the tops of giant storm clouds in blue cones that widen as they flash upward
atmospheric electricity - electrical discharges in the atmosphere
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References in periodicals archive ?
In addition to gamma-ray bursts, our recordings show plenty of blue jets spreading like fireworks over the thunderclouds.
Airplanes Collection features blue jets as the focal point of the line.
Since the team's inception in 1953, more than 350 million people in all 50 states and more than 60 countries have witnessed the distinctive red, white and blue jets in thousands of aerial demonstrations.
Air Force Blue jets away to victory in the Dubai Dewhurst Stakes at Newmarket
Atmospheric phenomena: Red Sprites, Elves and Blue Jets
The Mounties overcame Blue Jets 21-14 in the semi-finals and went on to tame the Giants 40-0, Blue Jets overcoming Giants 6-0 in the second-place play-off.
Mr Williams, former head of geography at Abergele Grammar School and Howell's School in Denbigh, took photographs of the amazing sight - a rare spectacle often known as "blue jets" or "rocket lightning".
Scientists say the rare gigantic jets are part of Earth's global electric circuit--which includes the ground, thunderstorms, the ionosphere, blue jets, and even exotic forms of electricity called "sprites" and "elves" (see below).
In the past few years, atmospheric scientists have discovered phenomena called "sprites" and "blue jets" at the tops of large thunderstorms.
The rarest and lowest flashes, called blue jets, shoot from the tops of storms and flare out like the bell of a trumpet.
"Blue jets" spurt upward like geysers, traveling between 30 and 100 km per second and reaching heights up to 40 km.