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Brief Like a Weather Pro

Step into an aviation forecaster’s shoes and see how it’s done.

The 300 millibar chart is used for hemispheric work at jet stream level. [Courtesy: AWIPS-II / Tim Vasquez]
Gemini Sparkle

Key Takeaways:

  • Aviation forecasters utilize a "forecast funnel" method, starting with large-scale upper-air processes to establish the foundational atmospheric picture.
  • They analyze specific upper-air charts (e.g., 300 millibar) to identify critical features like the polar vortex, subtropical ridge, jet stream, and significant troughs/ridges.
  • This analysis progresses to surface charts to understand pressure systems, fronts, and air masses, integrating all information to predict weather patterns and enhance aviation safety.
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Since I began my column over 10 years ago in IFR Magazine, I’ve strived to write as though you’re with me in the weather operations center.

During most of my Air Force career, I worked as an aviation forecaster. For many years, this was a constant succession of four days on, three days off, with rotating shifts. After driving to work, we would begin a shift-change briefing. If this was in the morning, the entire weather station would participate. If it was evening, the events would be more relaxed, with just me and the outgoing forecaster reviewing things.

Tim Vasquez

Tim Vasquez, a former Air Force aviation forecaster and forecast systems programmer at Air Force Global Weather Central, is a contributor to IFR Magazine.

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