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Enhancing Flight Safety: The Role of NWS TAFs in Operational Decision-Making

The NWS TAFs (Terminal Aerodrome Forecasts) play a crucial role in aviation planning for airline dispatchers, air traffic managers, and general aviation pilots. These forecasts define operational impacts and provide categorical values, helping customers determine arrival and departure procedures within a critical 2 to 6 hour time frame. By employing Categorical Amendment Criteria, forecasts can be tailored to meet specific airport requirements, ensuring a responsive product that aligns with regulatory needs. Forecasters can utilize AvnFPS as a decision tool, promoting safety and efficiency in flight operations.

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Enhancing Flight Safety: The Role of NWS TAFs in Operational Decision-Making

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  1. AvnFPS and CAC Avoid the Green Light syndrome!!!

  2. Role of NWS TAFs • Used forplanning purposesby airline dispatchers, air traffic managers, and GA pilots • Should define operational impacts • Categorical values needed by customers to determine arrival and departure procedures • Should focus on the 2 to 6 hour time frame

  3. Categorical Amendment Criteria Provides our customers with a more responsiveproduct tailored to their regulatory needs Allows forecasters to use AvnFPS as a Decision Tool rather than an alert monitor

  4. Categorical Amendment Criteria • Employs the following important concepts: • Tailors Ceiling and Visibility to meet specific airport requirements • Groups Ceiling and Visibility together into categoriesto match FAA Regulations • TEMPO groups checked immediately against METARS to notify forecasters of resulting customer impacts

  5. Categorical Amendment Criteria • Categorical Amendment Criteria: • Thelowest element of ceiling or visibility is considered “controlling” for AMD purposes • Standard Amendment Criteria: • Prompts for an AMD based on ceiling ORvisibility

  6. Light Green PVD CAT B (Alternate Min): 800 ft and 2SM

  7. Yellow All CAT E (Fuel Alternate): 2000 ft and 3SM

  8. Purple ORH CAT A (Airfield Min): 200 ft and 1/2SM

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