MSGID: 1:317/3 6436f1cc   
   PID: hpt/lnx 1.9.0-cur 2019-01-08   
   TID: hpt/lnx 1.9.0-cur 2019-01-08   
   April 12, 2023 - Severe Dust Storm Blankets Eastern Asia   
      
      Dust   
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      Whipping winds carried a massive cloud of dust across China and the   
      Korean Peninsula on April 11, 2023. The true-color image acquired by   
      the Moderate Resolution Imaging Spectroradiometer (MODIS) on board   
      NASA’s Terra satellite on that same day shows dense dust mixing with   
      cloud over eastern China, the Yellow Sea, and the Korean Peninsula. The   
      dust is so thick that the land and water underneath are obscured from   
      view over much of the area. Outlines that follow the coastlines have   
      been added to the image—without these, it would be very difficult to   
      tell where the land meets the water.   
      
      Dust storms are common over China, especially in the spring, when   
      strong winds sweep dust from the Gobi Desert. The Gobi Desert, located   
      in Mongolia and northwestern China, is filled with copious amounts of   
      dust and sand, which easily is lifted into the atmosphere by passing   
      winds. Since March 10, China has experienced four severe dust   
      storms—unusual in both severity and frequency even for springtime. It   
      is also unusual for such a severe storm to reach the Korean Peninsula   
      and Japan.   
      
      Dust storms can create serious health issues, especially when   
      particulate matter reaches high levels. On April 11, the Beijing   
      Municipal Ecological and Environmental Monitoring Center reported that   
      PM10 concentrations measured more than 1,321 micrograms per cubic   
      meter—a level almost 30 times the daily guideline set by the World   
      Health Organization. PM10 are particles that measure less than 10   
      microns, allowing them to be inhaled and reach the lungs. On that same   
      day, Air Korea reported “very unhealthy” air in more than a dozen   
      locations in southern South Korea, especially Jeju Island (also known   
      as Jeju-do), which sits off the southern tip of South Korea.   
      
      Image Facts   
      Satellite:  Aqua   
      Date Acquired: 4/11/2023   
      Resolutions:  1km (661.7 KB),  500m (2 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=2023-04-12   
       
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