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Vertical Air Movement

Gemini Sparkle

Key Takeaways:

  • Understanding vertical motion (lift and subsidence) is fundamental to predicting aviation weather, as lift generally creates clouds and adverse conditions, while subsidence clears them.
  • Vertical motion is driven by a combination of thermal processes, such as convection, atmospheric instability, and latent heat release/absorption from water phase changes, as well as dynamic/mechanical forcing like orographic lift, mass continuity, and isentropic lift.
  • Pilots can significantly enhance their situational awareness and better interpret forecasts by recognizing these underlying meteorological principles that explain common aviation hazards like fog, icing, and widespread precipitation.
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Heading into another winter season, our thoughts begin shifting to cold-weather flying hazards—fog, icing, and widespread precipitation. Most pilot training considers each of these factors individually. But most of them share a common cause, and it’s rooted in the weather patterns. Because of that, most pilots will be ahead of the game if they can identify some of those underlying factors. And in WX SMARTS we give experienced pilots a taste of the technical side of weather, so you can better understand how weather briefers think while gaining insight into complex aviation weather problems.

Vertical Motion

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