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WINTER WEATHER IMPACT ON AIRLINE OPERATIONS

WINTER WEATHER IMPACT ON AIRLINE OPERATIONS. Tim Matuszewski Manager Air Traffic Operations and Meteorology. The Basics. Strategic planning for significant events begins several days in advance of the event. Manpower De-Icing equipment and fluid reserves

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WINTER WEATHER IMPACT ON AIRLINE OPERATIONS

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  1. WINTER WEATHER IMPACT ON AIRLINE OPERATIONS Tim Matuszewski Manager Air Traffic Operations and Meteorology

  2. The Basics • Strategic planning for significant events begins several days in advance of the event. • Manpower • De-Icing equipment and fluid reserves • Strategic planning involves converting the forecast into an airport impact forecast. • Anticipated arrival and departure capacity • Frequency of runway treatment • Duration of runway closure for treatment • Ability to exit runway • Anticipated delays

  3. The Basics (cont.) • Strategic planning involves forecast uncertainty • Plan to operate 70% capacity but ready to reduce to 50% • Cancel as early as practical – advise customers • Strategic planning involves details not offered in the TAF • Hourly snow accumulation • Liquid content of snow • Success requires cooperation from the City and local ATC • We are blessed with excellent teams on both sides at ORD

  4. It All Begins With The Forecast • The need for information begins 24-36 hours in advance of the storm. • The level of detail and information need changes as the storm approaches. • Within 6-8 hours of the storm, forecasting transitions to now-casting • Continuous monitoring and updates • Continuous dialogue between decision-makers and forecasters

  5. December 20th 2010 • Initial forecast was for moderate snow. • Anticipated airport capacity 48-56/hour. • Cancelations implemented, customers forewarned • Snow intensity increased to heavy as it passed through ORD. • Convective Event – lightning observed near IKK • Airport capacity briefly drops to 0! • Air holding and diversions • Airport slowly recovers • Catch up on runway treatment • Priority to departures – Hold Over Time • Recover diversions • Airport capacity slowly increase – delays increase 2X to 3X • More “tactical” cancels – but customers already at airport

  6. Closing Slide Thank You!

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