Bonus Pods!

Every once in a while, a particular part of a story will catch our interest. When we thing you will also find it interesting, we make a Bonus Pod.

Listen to the podcast on: SoundCloud, Apple Podcasts, Google Podcasts, Spotify, Stitcher, or wherever you get your podcasts.

List of Bonus Pods by date (most recent first):

Fire Clouds – 09.28.2021

In the course of talking with Ryan Sandler at the National Weather Service, we learned about pyrocumulus clouds – or fire clouds. These unique clouds form over wildfires and can tower thousands of feet into the sky. Smoke is a main ingredient. Learn more about these fire clouds, as well as pyrocumulonimbus and firenados in the bonus episode.

Bootleg Fire column. Photo Credit: Lisa Chambers


  • Introduction
  • Crazy scene, as described by DEQ’s Peter Brewer [2:30]
  • How cumulus clouds become pyrocumulus clouds [4:05]
  • Pyrocumulonimbus thunderhead produced by a fire [5:00]
  • Firenados and fire whirls [6:15]
  • Plume-dominated fire [7:30]
  • Fire clouds and air quality [9:10]

Published by Oregon Department of Environmental Quality

DEQ’s mission is to be a leader in restoring, maintaining and enhancing the quality of Oregon’s air, land and water.

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