MSGID: 1:317/3 635c18ac   
   PID: hpt/lnx 1.9.0-cur 2019-01-08   
   TID: hpt/lnx 1.9.0-cur 2019-01-08   
   October 28, 2022 - Mississippi River Delta   
      
      Delta   
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      On October 26, 2022, the Moderate Resolution Imaging Spectroradiometer   
      (MODIS) on board NASA’s Aqua satellite acquired a true-color image of   
      the Mississippi River and Delta in Louisiana on a sunny autumn day. The   
      curving course of the mighty river can be seen twisting through fall   
      fields that are tinted gold and tan. Major cities, such as New Orleans,   
      appear to be colored gray. Sediment swirls in Lake Ponchartrain just   
      north of New Orleans and pours into the Gulf of Mexico through channels   
      in the Mississippi Delta.   
      
      Water levels in the Lower Mississippi River cycle through the year,   
      with the highest levels (often accompanied by flooding) occurring in   
      springtime as spring rains along the entire basin and snowmelt in the   
      north combine to fill the river. After summer’s heat dries the   
      Mississippi Basin, water levels in the Lower Mississippi River   
      typically drop by fall. This year, driven by an extremely warm summer   
      upstream and Moderate to Severe Drought (D1-D2) registered through most   
      of the state of Louisiana, water levels have dropped to levels not seen   
      since 2012, according to the National Weather Service (NWS).   
      
      On October 18, the NWS Lower Mississippi River Forecast Center (LMRFC)   
      reported that preliminary data showed some locations along the river   
      from Cairo, Illinois to Memphis, Tennessee had broken modern-day   
      low-level records. Memphis registered -10.7 feet, with a forecast for   
      the river to reach a low of -11.1 feet.   
      
      Low water levels in the Lower Mississippi River have allowed salty   
      water from the Gulf of Mexico to push up the Delta and upriver into the   
      Mississippi River, threatening water supplies. To prevent saltwater   
      from getting farther upstream, the Corps began construction on an   
      underwater sill in Myrtle Grove, Louisiana, on October 11.   
      
      Image Facts   
      Satellite:  Aqua   
      Date Acquired: 10/26/2022   
      Resolutions:  1km (29.3 KB),  500m (101.7 KB),  250m (312.1   
      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=2022-10-28   
       
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