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Blue Hour at Mymbyr

By CrustyPics  
Early morning at Llynnau Mymbyr with Snowdon and Crib Goch in the distance. The shot was taken around 45mins before sunrise. The effects of 'atmospheric decoupling', that can occur during this period prior to sunrise, helped calm the lake and improve the reflection.

If you have not come across this term before here's a quick explanation courtesy of the US weather service:

"During the night, the loss of the sun’s radiation causes the earth’s surface to lose the heat it builds up during the day. This cooling creates a shallow, stable layer of air near the ground, resulting in a temperature inversion. In an inversion, the temperature in the layer above the ground is actually warmer than it is near the surface.
The increased stability limits the transfer of temperature, humidity, and wind down to the surface from the rest of the atmosphere above. The term for this is called decoupling, where this layer is no longer “aware” of what is occurring above it. The winds above the inversion can be strong while in the stable layer below, winds are calm or light."

Tags: Wales Snowdonia Blue hour Landscape and travel Mymbyr

Voters: Kabrielle, bliba, franken and 13 more


Comments


7 Feb 2018 4:28PM
Beautiful, those reflections are stunning.
Sylvia

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7 Feb 2018 10:06PM
Beautiful !!!!!

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