MSGID: 1:317/3 6293b4ae   
   PID: hpt/lnx 1.9.0-cur 2019-01-08   
   TID: hpt/lnx 1.9.0-cur 2019-01-08   
   May 29, 2022 - Ship Tracks over the Pacific Ocean   
      
      Ship Tracks in the Pacific   
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      In late May 2022, cloud-filled skies over the Pacific Ocean west of   
      Baja California were marked by distinctive, narrow, line-like streaks   
      of cloud, creating a distinctive pattern in the sky. The Moderate   
      Resolution Imaging Spectroradiometer (MODIS) on board NASA’s Terra   
      satellite acquired this true-color image on May 26.   
      
      These spectacular streaks are a type of cloud are known as “ship   
      tracks”. They mark the passing of ships on the ocean below the layer of   
      marine stratocumulus clouds and are actually created by the emission   
      from those ships. Some particles released by ocean-going vessels   
      (especially sulfates) are soluble in water and, as they rise in the   
      atmosphere, the particles serve as the seeds around which cloud   
      droplets form. Clouds infused with ship exhaust have more and smaller   
      droplets than unpolluted clouds. As a result, the light hitting the   
      polluted clouds scatters in many directions, making them appear   
      especially bright and thick.   
      
      While ship tracks can be found in any season, they are most often   
      reported in May, June, and July. Ship traffic remains fairly constant   
      throughout the year, so the formation of ship tracks is considered to   
      be due to environmental or atmospheric conditions, such as the   
      frequency of the formation of low cloud layers, rather than just the   
      presence of ships.   
      
      Image Facts   
      Satellite:  Terra   
      Date Acquired: 5/26/2022   
      Resolutions:  1km (496.9 KB),  500m (1.3 MB),  250m (999.9 KB)   
      Bands Used: 1,4,3   
      Image Credit: MODIS Land Rapid Response Team, NASA GSFC   
      
      
      
   https://modis.gsfc.nasa.gov/gallery/individual.php?db_date=2022-05-29   
       
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