04/12/2017 7:28:00 Upper Level Ridge Upper Level Ridge
What is Upper Level Ridge?
Upper Level Ridge meaning in Safety terms is
- (Upper Level High, Ridge Aloft) An elongated area of relatively high pressure, at a constant altitude, in the atmosphere. The opposite of an upper level trough. Upper level ridges are often oriented north-south, alternating between upper level troughs, however, during summer they may assume random orientations and vast dimensions.
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