After the sun set this evening, the northwest horizon was glowing a nice amber for several minutes. This time-lapse video was shot over 20 minutes and compressed to 45 seconds. It is from the Observatory's weather room looking northwest towards Lancaster, NH. Note the passing fog in the foreground as well.
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@JimmyB1440: Often times, clouds at different levels will move in different directions, because the winds at various levels in our atmosphere can be moving in different directions. The clouds in the foreground are low level, oragraphic (mountain induced) clouds. The clouds in the background are a mid-level altostratus layer, probably about 6,000 feet above the summit of Mount Washington, or about 12,000 feet above sea level. This change in wind direction with height is called "wind shear".
MWOObserver 4 months ago
@JimmyB1440: Often times, clouds at different levels will move in different directions, because the winds at various levels in our atmosphere can be moving in different directions. The clouds in the foreground are low level, oragraphic (mountain induced) clouds. The clouds in the background are a mid-level altostratus layer, probably about 6,000 feet above the summit of Mount Washington, or about 12,000 feet above sea level. This change in wind direction with height is called "wind shear".
MWOObserver 4 months ago
Wow, beautiful! Great shot guys :D
Hey I have a quick question......
How come the clouds in the backround are traveling to the right while the close up clouds and/or fog is moving to the left? Just curious.
Thanks!!!! :)
JimmyB1440 5 months ago