Earth Science Image of the day

Encore - Alpine Thunderstorm - April 20, 2019

  (Click On Image To Enlarge)


Today and every Saturday Earth Science Picture of the Day invites you to rediscover favorites from the past. Saturday posts feature an EPOD that was chosen by viewers like you in our monthly Viewers' Choice polls. Join us as we look back at these intriguing and captivating images.

: Leonardo Orazi 
Summary Authors: Leonardo Orazi; Jim Foster

August 2013 Viewer's ChoiceAugust 2013 Viewer's Choice The photo above showing a distant thunderhead looming over a range of the snow capped Alps was taken near Aosta, Italy, on May 11, 2013. It’s illuminated from within by cloud-to-cloud lightning, a tongue of which appears to flick the side of the 8,500 ft (2,591 m) mountain. During spring and summer, quickly developing mountain thunderstorms are a major concern for climbers and hikers.

Spring snow melt in the Alps, as well as in many mountain ranges in the Northern Hemisphere, has been occurring earlier in the season in recent decades than a century ago, however, the onset of the snow accumulation period in autumn has been little changed.


 EPOD is a service of NASA's Earth Science Division and the EOS Project Science Office (at Goddard Space Flight Center)
and the Universities Space Research Association.

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