28 April 2020 Winds & Temps Aloft 0000 UTC forecast.AviationWeather.gov Think of wind barbs like an arrow with a point and feathers. The pointy end points the direction of the air mass flow. The feathers, or barbs, depict the wind speed. Winds aloft charts often display the temperature (...
These forces can also interact to drive the horizontal pressure gradient and resulting flow across the gap. The strongest gap winds tend to form under stable atmospheric conditions, when near-surface winds are decoupled from flows aloft, and the pressure gradient is strong along the gap. Strong ...