
Standing Waves Along The Cumberland Plateau:
Bobby Boyd
Meteorologist
National Weather Service
Nashville, Tennessee
Standing waves (banding in cloud pattern) can be seen along the Cumberland Plateau and into northeast Alabama and northwest Georgia in the above visible satellite image taken at 14:15Z (8:15 A.M. C.S.T.) this morning. Standing waves result when strong winds that are normal (perpendicular) to the plateau combine with strong instability aloft. They are seen more often in mountainous terrain.
Also see: http://en.wikipedia.org/wiki/Lee_wave
Also visit: http://www.srh.noaa.gov/bna/









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For the mets (or anyone else) > Here’s a snippet from the NWS afternoon forecast discussion:
BY SATURDAY THE NORTHERN BRANCH OF THE POLAR JET WILL PREDOMINATE WHILE A BOWLING BALL TYPE LOW DROPS DOWN FROM MANITOBA AND THROUGH THE NORTHERN
PLAINS ON SATURDAY AND INTO THE MIDDLE MISSISSIPPI VALLEY BY 18Z
SUNDAY.
What do they mean by “bowling ball type low”? Thanks!
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