World Area Forecast system

Match the following goals with their corresponding statements.

• Remove necessity for aviation weather forecasts

• To increase the number of flights per day

• Increase daily flight frequency

• To improve and evolve WAFS data sets to meet the changing needs of the aviation industry

• Lower air travel expenses

• To eliminate the need for weather forecasts in aviation

• Enhance WAFS data for aviation industry needs

• To reduce the cost of air travel

(a)   are involved in developing and future-proofing the WAFS.

• FAA and EASA
• NASA and ESA
• UK Met Office and NOAA
• Boeing and Airbus

The significant change that will occur to the T+24 SIGWX forecasts in November 2024 is (a)  

• Expansion of forecast area
• Increase in forecast frequency
• Removal of embedded cumulonimbus cl
• Introduction of new cloud types

Match the following formats with their corresponding data types.

• XML-based format for weather data

• IWXXM (a form of XML)

• Plain Text

• CSV

• JavaScript Object Notation

• TXT

• Comma-Separated Values

• JSON

When will the T+24 Medium Level and High Level SIGWX charts be retired?

• November 2024

• November 2026

• November 2028

• November 2030

Embedded cumulonimbus clouds are not included in the new SIGWX forecasts because (a)  

• They are always below FL100
• They are difficult to detect and su
• They are not relevant to aviation
• They are not part of ICAO Annex 3

The purpose of the probabilistic WAFS forecasts planned for November 2027 is (a)  

• To estimate passenger numbers
• To forecast fuel consumption
• To provide probability data for tur
• To predict flight delays

The expected horizontal resolution for the probabilistic WAFS hazard data sets is _____