Subj : ES Picture of the Day 09  2022
To   : All
From : Dan Richter
Date : Wed Feb 09 2022 11:01:20

 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.


 Red Jellyfish Sprite Over Mediterranean Sea

   February 09, 2022

    GrosJellycarre_compress98

   Photographer:  Arnaud  Besançon

   Summary Authors:  Arnaud  Besançon;  Cadan Cummings

   This breathtaking photo taken on the night of November 24, 2021,
   captures  red “jellyfish” sprites as seen from the  Grand Ballon
   mountain (4500 ft / 1400 m) in Eastern France.  Grand Ballon translates
   “great round-topped mountain” and it is the tallest elevation in the
    Vosges. Sprites are electrical discharges that appear high in the
   atmosphere and are prompted by  severe thunderstorm activity. The
   storm cells from which these sprites originated were located to our
   south over the  Mediterranean Sea. With the help of Serge Soula from
   the Aerology Laboratory ( National Center for Scientific Research
   and  Paul Sabatier University), both the distance and power of these
   sprites were able to be accurately determined. The event was generated
   by four parent arcs that were respectively 352, 363, 384, and 381 miles
   (567, 585, 618 and 614 km) away. Their power was also determined to
   vary with each emitting 61, 153, 62 and 44 kiloamperes. This specific
    storm cell was very intense, which likely explains why I had
   previously never captured so many sprites in one night!
     * Grand Ballon, Alsace, France Coordinates: 47.9010, 7.0982

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Severe Weather Links

     *  World Severe Weather Information Center
     *  Enhanced Fujita Scale
     *  A Lightning Primer
     *  More About Thunderstorms
     *  Staying Safe Outdoors in Severe Weather
     *  NOAA Storm Prediction Center
     *  Patterns of Lightning Activity
     *  US National Weather Service

-
   Earth Science Picture of the Day is a service of the  Universities
   Space Research Association.

https://epod.usra.edu
 
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