the sierra wave . iths that time of year again folks .

[AllaN01Bear]

where the sierra wave as in the siera nevada mouuntains in california, creat this particular weathr pattern called the sierra nevada wave.
Known as lee waves, Sierra Waves form as winds hit the Sierra Nevada and are forced to rise, causing water vapor to condense as it cools and forming lenticular clouds on the leeward side of the mountain range. These clouds can remain stationary for many hours.
n meteorology, lee waves are atmospheric stationary waves. The most common form is mountain waves, which are atmospheric internal gravity waves.

also known as lee waves glideer (aka sail planes can stay aloft for hours and travel thousands of miles w/ out the need for power.