Thursday, April 11, 2013

Castle Geyser and rainbow


Castle Geyser is in the same geyser basin as the world-famous Old Faithful Geyser, the Upper Geyser Basin, in Yellowstone National Park.  Its eruptions are among those that the Park Service can predict and they post those predictions at the Old Faithful Visitor Center and on an informational plaque in front of the geyser itself.

Castle Geyser typically erupts every 10-12 hours with a 20 minute hot water phase reaching up to 90 feet in height followed by a steam phase lasting from 30 to 40 minutes.  This photo was taken during the steam phase of Castle's eruption and a light wind was blowing water droplets from the steam column to the right where they formed this rainbow.

Remember, it's not just a photograph, it's a story.

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