National Weather Service
Professional Development Series
Professional Competency Unit


Forecasting Aviation Icing

PCU 9: Integrating the Icing Forecast into the Overall Aviation Forecast Process

Producer: to be named


Description of Job Duty Competency to be Achieved

Forecasters will formulate meteorologically sound icing forecasts which ensure there is a consistency between the icing forecast and other relevant aviation-related products.


Description of Need

Icing forecasters must ensure spatial consistency between their products and other aviation-related forecast products. Forecasters must ensure there is sound meteorological logic in icing products and consistency between their products and other aviation forecasts.


Specific Job Task Skills and Knowledge

1. Ensure product consistency between icing forecasts and other aviation-related products (TAF, Advisories, Flight Planning Sessions, etc.).

2. Apply quality control procedures to ensure icing forecasts are logical and applicable.

3. Understand pilot reports of icing and the appropriate terminology: trace, moderate, severe, rime, clear, mixed.


Instructional Components

Instructional Component 9.1: Web-based tutorial demonstrating how to maintain spatial consistency between products.

Instructional Component 9.2: Web-based example of logical vs. illogical icing forecasts (illogical example: forecasting widespread, continuous icing when an aircraft is flying to a dry, warm air mass).

Instructional Component 9.3: Compile the above web-based tutorials into integrated case studies.

Instructional Component 9.4: Each station should include instruction on local requirements (if any) in icing forecast training.

Instructional Component 9.5: Sponsors will provide an online bibliography on materials related to icing forecasts.

Instructional Component 9.6: Integrate previously-determined icing information into DD Form 175-1 Weather Briefings. [AFWA]

Instructional Component 9.7: Integrate previously-determined icing information into Mission Planning Sessions and Mission Briefings (USAF and USA). [AFWA]

Instructional Component 9.8: Integrate previously-determined icing information into Route, Area, Flight, and Terminal Metwatch procedures. [AFWA]


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Last updated on 3/19/01