Monday, August 2

Clouds

Clouds, Fire, oregon, Science, Weather, Wildfires

Bootleg Fire in Oregon is generating dangerous fire clouds and pyrocumulonimbus thunderstorms

Rising temperatures and a growing wildfire are creating dangerous fire clouds and firestorms that can generate their own lightning in the skies above southern Oregon.The Bootleg Fire, the largest blaze currently burning in the US, has torched more than 241,000 acres (377 square-miles) since it started July 6 in Klamath County. It's only 7% contained as of Friday.As heat and smoke from large fires rise skyward, they can create storms comprised of what are known as pyrocumulonimbus clouds. These thunderheads produce their own weather, including tornadoes in rare cases, which can then spark new fires. It's a vicious cycle. ...
Climate change, Clouds, Fires, Heat Waves, Science, Wildfires

Wildfires and record temperatures in Canada are generating’fire-breathing’ pyrocumulonimbus thunderstorms

Record heat and growing wildfires are creating firestorms that can generate their own lightning in the skies above British Columbia, Canada. As heat and smoke from large fires rise skyward, they can create firestorms comprised of what are known as pyrocumulonimbus clouds. These thunderheads produce their own weather, including tornadoes in rare cases, which can then spark new fires. It's a vicious cycle.Temperatures in Lytton, 95 miles south of Vancouver, hit 121.2 degrees Fahrenheit (50 degrees Celsius) on Tuesday — a new national record. The heat wave preceded a wildfire that prompted the town's mayor to issue an evacuation order for all 250 residents. As of Thursday morning, the 20,000-acre blaze had burned 90% of Lytton ,...