Dry thunderstorm

dry lightningdry thunderstormslightningno precipitation
A dry thunderstorm or heat storm is a thunderstorm that produces thunder and lightning, but most or all of its precipitation evaporates before reaching the ground.wikipedia
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Thunderstorm

thunderstormssevere thunderstormelectrical storm
A dry thunderstorm or heat storm is a thunderstorm that produces thunder and lightning, but most or all of its precipitation evaporates before reaching the ground.
They are usually accompanied by strong winds, heavy rain, and sometimes snow, sleet, hail, or, in contrast, no precipitation at all.

Flammagenitus (cloud)

pyrocumuluspyrocumulus cloudFlammagenitus
Pyrocumulonimbus are cumuliform clouds that can form over a large fire and that are particularly dry.
A flammagenitus, also known as a pyrocumulus cloud or fire cloud, is a dense cumuliform cloud associated with fire or volcanic eruptions that may produce dry lightning (lightning without rain).

Heat lightning

Heat lightning
Heat lightning, sometimes known as silent lightning, summer lightning, or dry lightning (mainly used in the American south; not to be confused with dry thunderstorms, which are also often called dry lightning), is a misnomer used for the faint flashes of lightning on the horizon or other clouds from distant thunderstorms that do not appear to have accompanying sounds of thunder.

Lightning

lightning boltlightning strikelightning strikes
The latter term is a technical misnomer since lightning itself is neither wet nor dry.
Dry lightning is used in Australia, Canada and the United States for lightning that occurs with no precipitation at the surface. This type of lightning is the most common natural cause of wildfires. Pyrocumulus clouds produce lightning for the same reason that it is produced by cumulonimbus clouds.

Haboob

haboob (type of sandstorm)
As the gusty winds expand outward from the storm, dry soil and sand are often picked up by the strong winds, creating dust and sand storms known as haboobs.
Dry thunderstorm

Virga

all of its precipitation evaporatesevaporating before reaching the surfacefall streak
A dry thunderstorm or heat storm is a thunderstorm that produces thunder and lightning, but most or all of its precipitation evaporates before reaching the ground.

Western United States

westernWestAmerican West
Both are so common in the American West that they are sometimes used interchangeably.

Misnomer

an inaccurate descriptionanachronymanachronyms (note well ''-chron-''), which are a type of misnomer
The latter term is a technical misnomer since lightning itself is neither wet nor dry.

National Weather Service

Weather BureauNWSUnited States Weather Bureau
Because of that, the National Weather Service, and other agencies around the world, issue forecasts for its likelihood over large areas.

Desert

desertsaridhigh desert
Dry thunderstorms generally occur in deserts or places where the lower layers of the atmosphere usually contain little water vapor.

Water vapor

water vapourvaporevaporation
Dry thunderstorms generally occur in deserts or places where the lower layers of the atmosphere usually contain little water vapor.

Microburst

microburstsdry microburstWindshear
This cool air then descends rapidly and fans out upon impacting the ground, an event often described as a dry microburst.

Wildfire

forest fireforest fireswildfires
Storm winds also fan the fire and firestorm, causing it to spread more quickly.

Firestorm

fire stormfirestormscyclone of fire
Storm winds also fan the fire and firestorm, causing it to spread more quickly.

Particulates

particulate matterparticulateaerosol
They are similar to any cumulus cloud but ingest extra particulates from the fire.

Lightning strike

struck by lightninghit by lightninglightning
Lightning strike

Mount Lubra bushfire

bushfireGrampians bushfire
The Mount Lubra bushfire was started by a lightning strike late on 19 January 2006 near The Grampians in Australia.

June 2017 Portugal wildfires

2017 Portugal wildfiresPedrogão Grandeseries of wildfires
Although most early official reports pointed to a dry thunderstorm as the cause of the tragedy, the President of the Portuguese Firefighters League expressed his conviction the fire was sparked by arsonists.

Donner und Blitzen River

Blitzen Valley drainage
The name usually brings to mind two of Santa Claus' reindeer, but the river is named for a thunderstorm the soldiers experienced as they crossed the river; dry lightning is an almost daily occurrence in the region during certain times of the year.

2017 British Columbia wildfires

the worst fire season on recordWildfires in British Columbiaworst wildfire
A combination of dry lightning and human-caused fires are responsible for the 2017 BC wildfires.

Climate of Salt Lake City

Many of these thunderstorms consist of dry lightning, which occurs when humidity is too low to support rainfall and the rain evaporates before reaching the ground.

Trout Creek Mountains

Trout CreekTrout Creek Mountain Working Group
Thunderstorms in the summer months tend to be more isolated and often produce dry lightning strikes.