Invasion of the lenticular clouds

I was backing up today albums from this year, as I ran into RAW files that I haven’t converted into JPEGs. That’s when I discovered those couple of days in february 2011 , when the lenticular clouds were floating all over the place.

lenticular clouds at sunset
lenticular clouds at sunset

Wikipedia says :

Lenticular clouds (Altocumulus lenticularis) are stationary lens-shaped clouds that form at high altitudes, normally aligned perpendicular to the wind direction. Lenticular clouds can be separated into altocumulus standing lenticularis (ACSL), stratocumulus standing lenticular (SCSL), and cirrocumulus standing lenticular (CCSL). Due to their shape, they are often mistaken for Unidentified Flying Objects (UFOs).” > Read more here.

Lenticular cloud 03.02..2011 – morning
Lenticular clouds 03.02.2011 – afternoon ( in the far left corner , you can see the halo effect called “sun dog”)

They came on the 03 february and lasted until the 05th , when they reorganized at sunset and left into unknown direction…

“Pilots of powered aircraft tend to avoid flying near lenticular clouds because of the turbulence of the rotor systems that accompany them, but glider pilots actively seek them out.”Wave lift” of this kind is often very smooth and strong, and enables gliders to soar to remarkable altitudes and great distances. The current gliding world records for both distance (over 3,000 km; 1,864 mi) and altitude (15,460 m; 50,721 ft) were set using such lift.” – Wikipedia

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