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Seasonal Winds

NOAA
Gemini Sparkle

Key Takeaways:

  • Wind conditions for pilots are heavily influenced by the time of year and regional geography, such as winter in the Northeast and nearby mountain ranges like the Appalachians.
  • Mild surface temperature forecasts can be misleading; strong prevailing seasonal winds and later-day thermal activity often create unexpected turbulence at altitude.
  • Pilots should account for the dynamic interplay of seasonal, geographical, and diurnal factors affecting wind, with earlier flight times sometimes offering smoother conditions.
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One of my short local flights last week reminded me that the time of year has a lot to do with what I can expect from wind conditions. It’s winter in the Northeast, and the season brings some pretty reliable presumptions. It’ll be colder, and the days are shorter. In clouds, icing assumes center stage on the risk list, taking over for thunderstorms during the warmer months. But some of the little things also come into play — like wind.

I planned one of my simple ‘get up and into the sky’ flights on a day forecast to be a little less bone chilling. It was sunny and calm that morning, and I was looking forward to a pleasant flight. Even when no trips are scheduled, I like to fly at least once a week, just to keep procedures fresh in my brain, and to remind the muscles in my head, hands and feet where everything is in the cockpit. Flying once a week can be a challenge in winter. In planning this day, I allowed the flight to slip to early afternoon, partly because it would be that much warmer.

Mark Phelps

Mark Phelps is a senior editor at AVweb. He is an instrument rated private pilot and former owner of a Grumman American AA1B and a V-tail Bonanza.

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