Forecast Accuracy

Walk into any flight operation and theyll tell you that safety is the top priority. As of 2016, accident rates across the board from GA to commercial operations have fallen to an all-time low. This is thanks to the cooperative efforts of pilots, controllers, technicians, instructors, and the organizations that support them. Given the great improvements in safety and the stringent standards that apply to everything from replacement of a torque link bolt to the handoff of an aircraft by ATC, it might seem strange that were approaching the year 2020 and busted TAFs (Terminal Aerodrome Forecasts) are still a fact of life.

Tim Vasquez

Friday, December 16, 2016 at 12:00 AM ET

Verified

Key Takeaways:

Despite significant advancements in aviation safety, Terminal Aerodrome Forecasts (TAFs) frequently prove inaccurate due to inherent limitations in atmospheric sampling and the challenge of resolving small-scale weather phenomena.
TAFs are a complex blend of sophisticated numerical models, extensive observed data, and the human forecaster's experience, intuition, and pattern recognition skills.
Forecast failures typically stem from two main issues: model errors (e.g., initial condition inaccuracies, inability to capture micro-influences) and human errors (e.g., misinterpretation, distraction, or misunderstanding atmospheric processes).
Pilots can improve their weather situational awareness by consulting forecast discussions, comparing TAFs from multiple nearby sources, monitoring in-flight conditions against forecasts, and recognizing warning signs like rapid pressure changes or frequent TAF amendments.

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Walk into any flight operation and they’ll tell you that safety is the top priority. As of 2016, accident rates across the board from GA to commercial operations have fallen to an all-time low. This is thanks to the cooperative efforts of pilots, controllers, technicians, instructors, and the organizations that support them.

Given the great improvements in safety and the stringent standards that apply to everything from replacement of a torque link bolt to the handoff of an aircraft by ATC, it might seem strange that we’re approaching the year 2020 and busted TAFs (Terminal Aerodrome Forecasts) are still a fact of life. This is not due to any failure by the National Weather Service or the FAA, but is a reflection of the limitations of our ability to properly sample the atmosphere and resolve processes at the smallest scales. Forecasting, even in 2017, still remains a blend of science with human intuition and experience, and will likely remain so for some time.