MSGID: 1:317/3 6453f2aa   
   PID: hpt/lnx 1.9.0-cur 2019-01-08   
   TID: hpt/lnx 1.9.0-cur 2019-01-08   
   May 4, 2023 - Large Wildfires and Burn Scars in Russia   
      
      Fires   
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      The 2023 Russia fire season has started with a roar, with fire emerging   
      along with the greening grasses in several areas of the country. The   
      Moderate Resolution Imaging Spectroradiometer (MODIS) on board NASA’s   
      Aqua satellite acquired a true-color image of a swath of large   
      wildfires centered in Omsk Oblast on April 28. The fires also extended   
      west into Tyumen Oblast and east into Novosibirsk Oblast.   
      
      Each red “hot spot” marks actively burning fire. In several locations,   
      active fire rings the edges of dark brown or black burn scars. Burn   
      scars—areas that have already been burnt by fire—are dark in color   
      because the vegetation and soil has been charred, leaving little or no   
      fuel that can sustain a fire. The rings of hot spots surrounding the   
      scar are caused as the wildfire expands, moving forward into fresh   
      fuel.   
      
      Several of the burn scars are extremely large. For example, the area of   
      the figure-eight-shaped, least smokey burn scar near the center of the   
      image measures roughly 2,400 square kilometers using the measurement   
      tools available in NASA Worldview. That’s more than half the area of   
      the U.S. state of Rhode Island. The complicated conflagration of burn   
      scars, active fire, and copious smoke to the west of the measured area   
      appears to be quite a bit larger, perhaps double the size.   
      
      According to Global Forest Watch, the peak fire season in Russia begins   
      in early May and continues for about 18 weeks. Scattered hot spots,   
      marking small and early fires, began to appear in this region by April   
      1, according to a review of MODIS Aqua images available in NASA   
      Worldview. The fires visible in this image were still active as of May   
      4.   
      
      Image Facts   
      Satellite:  Aqua   
      Date Acquired: 4/29/2023   
      Resolutions:  1km (255.7 KB),  500m (853.4 KB),  250m (2.5 MB)   
      Bands Used: 1,4,3   
      Image Credit: MODIS Land Rapid Response Team, NASA GSFC   
      
      
      
   https://modis.gsfc.nasa.gov/gallery/individual.php?db_date=2023-05-04   
       
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