Subj : ES Picture of the Day 16  2022
To   : All
From : Dan Richter
Date : Sat Apr 16 2022 12:01:10

 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.


 Archive - Fog Funnel

   April 16, 2022

    https://epod.usra.edu/.a/6a0105371bb32c970b01a511dd303b970c-pi

   Every weekend we present a notable item from our archives.

   This EPOD was originally published on July 25, 2014.

   Photographer:  Raymond Murphy
   Summary Author:  Raymond Murphy

   Shown above is a photo of a fleeting funnel in the  evaporating
   morning  fog observed on a small lake near  Saranac Lake, New
   York. This short-lived  vortex was perhaps 15 ft (4.5 m) in height
   and moved slowly to the left. Generally, these vortices last for only
   for a few seconds. When the air is still and the warmth of  the Sun
   has burned off ( evaporated) all but the last bits of the morning
   fog that often blankets this part of the  Adirondack Mountains,
   tube-like vortices can sometimes be detected in the mist. The
   evaporating mist isn't uniform but tends to gather into small cloudlets
   one to two feet high (about 0.5 m) that exhibit a surprising amount of
   vertical motion and even slight rotation. There are nearly a dozen of
   these cloudlets in the photo. Every once in a while, if the rotation is
   just strong enough to spawn a tube of spinning air that extends higher
   up, and if the temperature-humidity-pressure conditions are just right,
    condensation occurs at the wall of the tube, making it visible in
   the sunlight. Note also the  crepuscular rays at right. Photo taken
   on June 23, 2014.
     * Upper Saranac Lake, New York Coordinates: 44.2925, -74.3256

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    More...

Atmospheric Effects Links

     *  Atmospheric Optics
     *  Optic Picture of Day: Gruppo Astrofili Galileo Galilei
     *  Color and Light in Nature
     *  The Colors of Twillight and Sunset
     *  Refraction Index
     *  Image Gallery: Atmospheric Effects
     *  What is a Rainbow?

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

https://epod.usra.edu
 
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