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Raging Fires in Australia Visible from Space

Edit Yahoo Daily News 20 Jan 2016
The fires burned so intensely that they generated their own weather by creating a pyrocumulus cloud, or "fire cloud." Pyrocumulus clouds are similar to regular cumulus clouds — the puffy, cotton-shaped ones that can often be seen in the sky, according to NASA's Earth Observatory. The main difference between a pyrocumulus cloud and a ......

Pyrocumulus Cloud from the California "Rough" Wildfire

Edit Huffington Post 15 Sep 2015
A pyrocumulus cloud, sometimes nicknamed a "fire cloud," is a cumuliform cloud produced from the intensive heating of air caused by a fire....

Pyrocumulus Cloud from the California 'Rough' Wildfire

Edit Huffington Post 15 Sep 2015
A pyrocumulus cloud, sometimes nicknamed a "fire cloud," is a cumuliform cloud produced from the intensive heating of air caused by a fire....

Hunter indicted in huge Rim fire near Yosemite

Edit The Los Angeles Times 08 Aug 2014
Pyrocumulus clouds created by the Rim fire California's Rim fire raged for two months near Groveland and into Yosemite National Park in late 2013, creating towering pyrocumulus clouds. See more videos. Keith Matthew Emerald of the Sierra foothills town of Columbia, Calif., was charged with two felonies. setting timber afire and lying to a government agency, the U.S. Attorney's Office said. He also was charged with two misdemeanors ... 8 ... Atty....

Fighter jet captures dramatic 'fire clouds' over California wildfires

Edit The Los Angeles Times 07 Aug 2014
The camera of an Oregon Air National Guard F-15C captured dramatic images of a developing "fire cloud," also known as pyrocumulus clouds, on July 31 over the state's Gulch fire. Smoke and clouds Jeff Schmaltz / NASA ... The image also shows smoke plumes blossoming into towering pyrocumulus clouds ... The clouds, which NASA described as "tall, ......

Fighter Jet Captures Towering 'Fire Clouds' Over California (Photos)

Edit Yahoo Daily News 07 Aug 2014
Giant, towering "fire clouds" billowing up from the wildfires currently ravaging California have been captured in stunning images snapped from fighter jets ... Wildfires fanned by high winds can create fire tornadoes, but wildfires can also create huge, towering plumes called pyrocumulus clouds (sometimes called "fire clouds") ... This happens when the pyrocumulus clouds develop into pyrocumulonimbus clouds....

Stunning photos of pyrocumulus clouds captured mid-flight by National Guard

Edit The Washington Post 05 Aug 2014
On Monday, the National Weather Service in Medford, Ore. shared stunning images of pyrocumulus clouds over the Oregon Gulch wildfire. The photos were captured in-flight by the Oregon Air National Guard. Pyrocumulus clouds form when intense heat at the ground causes air to rise rapidly. This usually happens in the event of a wildfire or […]....

To Save Lives, Scientists Probe the Secrets of Towering Wildfire Clouds

Edit Mashable 05 Aug 2014
Pyrocumulus cloud from the Oregon Gulch Fire, The fire has burned more than 30,000 acres ... At another fire over the weekend, the Bald Fire in California, scientists obtained high-resolution data on pyrocumulus clouds ... Pyrocumulus cloud seen above the Oregon Gulch Fire ... “Very little is known about dynamics of large convective plumes from wildfires, including those that produce pyrocumulus clouds....

>Why you don't see Eastern Wash. wildfire plumes until the afternoon

Edit Seattle Post 31 Jul 2014
Local social media posts have been perking up each afternoon noting tall plumes of clouds over the Cascades. What you're seeing are smoke and the "pyrocumulus" clouds created by the wildfires burning in Eastern Washington....

This Week's Data Will Help Us Figure Out If The Slowdown Is Really About Weather — Here's Your Complete Preview

Edit Business Insider 24 Feb 2014
Pyrocumulus cloud ice capping over the Mazatzal Wilderness during the Willow Fire near Payson, AZ. After a long snow-related delay, Federal Reserve Chair Janet Yellen will give the second half of her semi-annual "Humphrey-Hawkins" testimony to Congress. On Thursday at 10.00 a.m. ET, she meets with the Senate Banking Committee. This week comes with more economic data that's sure to be touched by the unusually harsh winter ... Q4 GDP (Fri) ... OR....

Why Nuclear Bombs Create Mushroom Clouds

Edit Gizmodo 21 Nov 2013
Why do nuclear bombs make mushroom clouds? The phenomenon all comes down to a little something called the Rayleigh-Taylor instability, and by extension, convection ... It all starts with an explosion that creates a Pyrocumulus Cloud ... Once that cloud reaches a certain point in our atmosphere, where the density of the gas cloud is the same as the density of the surrounding air, it will spread out, creating a nice cap....

Tower of Power: Australia Fires Spawn Pyrocumulus Clouds

Edit Yahoo Daily News 22 Oct 2013
Australia's massive wildfires have sparked billowing pyrocumulus clouds — menacing columns of water vapor and smoke that tower over raging firestorms ... Higher in the atmosphere, the air then cools, and water vapor condenses into pyrocumulus clouds, explained Glenn Yue, an atmospheric scientist at NASA Langley Research Center in Hampton, Va ... Pyrocumulus clouds are quite common during fires, Yue said....

Fire cloud forecast to strike

Edit Stuff 22 Oct 2013
The unique weather phenomenon - also called a pyrocumulus - occurs when a large fire is coupled with an unstable atmosphere ... An unstable atmosphere meant that the column could rise higher and higher into the atmosphere, where the temperature was cool enough for the water vapour to condense into a pyrocumulus cloud, said Dr Sullivan, a senior research scientist. ''It's a cloud formed by the presence of the fire,'' he said....
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