File:ISS-36 Colorado from space.jpg

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English: Thick smoke billows across the landscape in this digital photograph of the western United States. The photograph was taken by astronauts aboard the International Space Station (ISS) on June 19, 2013.
  • The image shows a plume wafting from the West Fork Complex fire, which was burning explosively in southwestern Colorado near Pagosa Springs. To the northwest, a smaller plume from the Wild Rose fire is also visible.
  • While the Wild Rose blaze was fully contained by June 25, 2013, the West Fork Complex was still raging through the San Juan and Rio Grande National Forests. The West Fork Complex is a combination of three fires: the West Fork fire, the Windy Pass fire, and the Papoose fire. Lightning ignited the first of the blazes on June 5, 2013, and together they had charred approximately 75,000 acres (30,000 hectares) by June 25. The fires were burning in rugged terrain with large amounts of beetle-killed spruce forests.
  • The West Fork Complex fire was so hot that it spawned numerous pyrocumulus clouds—tall, cauliflower-shaped clouds that billowed high above the surface. Pyrocumulus clouds are similar to cumulus clouds, but the heat that forces the air to rise comes from fire instead of sun-warmed ground.
  • Scientists monitor pyrocumulus clouds closely because they can inject smoke and pollutants high into the atmosphere. As those pollutants are dispersed by wind, they can affect air quality over broad areas. As noted by the University Maryland at Baltimore County (UMBC) Smog Blog, smoke from western fires contributed to elevated concentrations of particulate matter over large sections of the eastern United States.
  • Preliminary observations by the Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations (CALIPSO) satellite indicate the West Fork Complex fire lofted smoke plumes as high as 13.5 kilometers (8.4 miles) into the atmosphere. Satellite observations also show that smoke reached European airspace by June 24.
Date
Source http://earthobservatory.nasa.gov/IOTD/view.php?id=81485
Author NASA
This image or video was catalogued by Johnson Space Center of the United States National Aeronautics and Space Administration (NASA) under Photo ID: ISS036-E-009725.

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Public domain
This file is in the public domain in the United States because it was created by the Image Science & Analysis Laboratory, of the NASA Johnson Space Center. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (NASA media use guidelines or Conditions of Use of Astronaut Photographs). Photo source: ISS036-E-9725.

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19 June 2013

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current13:10, 28 June 2013Thumbnail for version as of 13:10, 28 June 20132,971 × 1,983 (1.81 MB)Ras67== {{int:filedesc}} == {{Information |Description={{en|1=Thick smoke billows across the landscape in these digital photographs of the western United States. The photograph was taken by astronauts aboard the International Space Station (ISS) on June 19,...
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