Fire Tornadoes, Fire Clouds, Crown Fires

USA Today explains Fire Tornadoes, Fire Clouds, Crown Fires

Fire Tornadoes and Whirls

Fire tornadoes are generated when intense heat from a wildfire causes hot air to rush up from the ground. As air comes in it sometimes starts to rotate.  The Great Chicago Fire in 1871, one of the most devastating in American history, was exacerbated by fire whirls.

Crown Fires

Running fires are when fires accelerate at a rate faster that can be controlled. Crown fires take place when fires climb a tree; they usually spread below the tree line before making their way upward.

“You can almost watch tree to tree burn in a matter of seconds from each other and you’ll see this gigantic flame wall spreading on the tops of trees,” said Heath Hockenberry, the National Weather Service's national fire weather program manager.

Pyrocumulus Fire Clouds

Pyrocumulus clouds – essentially “fire clouds” form over heat sources. The bushfires that ravaged Australia earlier this year featured the massive clouds.  “They’re very concerning for firefighters because they cause their own storm,” said Hockenberry.

Mojave National Preserve Goes Up in Flames

Joshua Trees in Flames

Here is a very emotional video. 

A firefighter was in tears as Joshua Trees burnt to the ground. 

I am very familiar with Joshua Tree National Park and was nearly in tears myself.

Areas of Raging Fires

Areas of Raging Fires

Red tones mark fire perimeters. Orange tones are areas were evacuation orders are in place.

Fire Evacuation in Napa and Sonoma Counties

Mercury News reports California Wine Country Evacuations.

The LNU Lightning Complex fires have forced evacuations of a large part of Napa, Solano and Sonoma counties, as well as portions of Lake and Yolo.

As of Saturday morning, fires had burned 314,207 acres (490 square miles) and had destroyed 560 structures, according to the Sonoma-Lake-Napa unit of the California Department of Forestry and Fire Protection. Containment was estimated at 15%.

US Fire Location Map 

US Fire Location Map 2020-08-22

The above map from the Cal-Fire Evac Viewer

You may also wish to try the New York Times California Fires Map Tracker.

Big Basin Redwoods State Park Headquarters

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119,000 Evacuees and 900,000 Acres Torched

The New York Times reports 119,000 Evacuees as Blazes Spread.

Firefighters are struggling to get a handle on the 560 wildfires that are spreading rapidly throughout California, torching more than 900,000 acres of land and forcing more than 119,000 people to flee their homes.

Despite the 12,000 firefighters currently battling the blazes, about a dozen major fires continue to grow, particularly in Northern California, where two fire groupings are now some of the largest in the state’s history. 

Lightning Siege

Even as the fires grow further, forecasters with the National Weather Service’s Bay Area office warned that there could be more dry thunderstorms this weekend, potentially bringing a dangerous combination of lightning and wind to an already-burning region. Many of the current fires were ignited during an extraordinary period of more than 12,000 lightning strikes last weekend, what fire officials have called a “lightning siege.” They have now burned a size of land larger than Rhode Island.

Entire University of California, Santa Cruz Campus 

The C.Z.U. Lightning Complex has led fire officials to order 77,000 people in San Mateo and Santa Cruz Counties to evacuate, including the entire University of California, Santa Cruz, campus. That group of fires has grown to 63,000 acres, consumed almost 100 buildings and is 5 percent contained.

Redwood Trees Big Basin State Park

Inrerior of a Redwood tree burned

Governor Asks Australia and Canada for Help

The BBC reports California Governor Asks Australia for Help.

Help was on its way from several US states as Gov Newsom put in a plea for assistance from Australia and Canada.

"These fires are stretching our resources, our personnel," he said.

Calfire Update - Lightning Storm Monday and Tuesday

The Wall Street Journal reports California Wildfires Continue to Rage Across State

Nearly 14,000 homes, with a total estimated value of $9.6 billion, were at risk of destruction across northern California, with the Vallejo-Fairfield metro area being the most affected, according to an analysis by Realtor.com published Friday. News Corp, parent of The Wall Street Journal, operates Realtor.com.

Home Burned in Vacaville

Home burned in vacaville

Flying Embers

Flying Embers

The above two images are 2 of 27 from the WSJ.

Hoping for Rain

Best wishes to all impacted. 

I keep watching the forecasts hoping for rain but the maps still show none is expected.

Mish

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