MSGID: 1:317/3 6298facb   
   PID: hpt/lnx 1.9.0-cur 2019-01-08   
   TID: hpt/lnx 1.9.0-cur 2019-01-08   
    EPOD - a service of USRA   
      
   The Earth Science Picture of the Day (EPOD) highlights the diverse processes   
   and phenomena which shape our planet and our lives. EPOD will collect and   
   archive photos, imagery, graphics, and artwork with short explanatory   
   captions and links exemplifying features within the Earth system. The   
   community is invited to contribute digital imagery, short captions and   
   relevant links.   
      
      
    Snowflakes on Mount Etna   
      
      June 02, 2022   
      
       Epod-cinzia-fioccodineve   
      
      Photographer:  Cinzia Lo Certo   
      
      Summary Authors:  Cinzia Lo Certo;  Cadan Cummings   
      
      The photo above was taken during a cold winter morning on  Mount   
      Etna near Nicolosi, Italy. At an elevation of around 3,280 feet (1,000   
      meters) above sea level, this region on Etna sometimes experiences   
       weather conditions that can produce snow. These snowflakes form   
      when a water droplet condenses and freezes around a small particle in   
      our atmosphere, such as  dust or pollen. As a water droplet freezes,   
       ice crystals slowly begin growing. Throughout the process, ice   
      crystals continue to grow as they encounter ever-changing conditions in   
      our atmosphere with different  humidity and  temperature. These   
      tiny fluctuations favor or inhibit the formation of different ice   
      crystal structures. The two basic processes in which crystals develop   
      are through  'facets / flat faces' or 'branches'. Often these two   
      processes alternate back and forth during snowflake creation, however,   
      they can also happen simultaneously. In the case of the snowflakes   
      above, they are in the  plate formation zone with a temperature   
      between 26°F to 32°F (-3°C to 0°C).   
        * Nicolosi, Mount Etna Coordinates:  37.6175, 15.0241   
      
   Related EPODs   
      
       Snowflakes on Mount Etna  Ice Crystal Formation on Frozen Soap   
      Bubble  2022 Ice Out Dates for Sebago Lake, Maine  Melting Frost   
      on a Windshield  Palmer Archipelago, Antarctica Reflection   
       Hoarfrost Crystals in Maine   
       More...   
      
   Cryosphere Links   
      
        *  Guide to Frost   
        *  What is the Cryosphere?   
        *  Bentley Snow Crystals   
        *  Glaciers of the World   
        *  Ice, Snow, and Glaciers: The Water Cycle   
        *  The National Snow and Ice Data Center Google Earth Images   
        *  Snow and Ice Crystals   
      
   -   
      Earth Science Picture of the Day is a service of the  Universities   
      Space Research Association.   
      
   https://epod.usra.edu   
       
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