World Area Forecast System (WAFS): Global Aviation Weather Data via Satellite

Worldwide satellite broadcasts of aviation weather information, a joint effort by ICAO, the U.S. FAA, NOAA/NWS, and other international partners. The system has been operational since 1996, with data archived at the National Climatic Data Center since 2002. It delivers global forecasts of temperature, winds, and humidity, with data transfer speeds significantly faster than previous systems.

Use Cases

• Forecasting global aviation weather hazards based on temperature, wind, and humidity forecasts.
• Analyzing satellite communication efficiency for meteorological data distribution based on the described INTELSAT and VSAT infrastructure.
• Studying international collaboration in meteorological systems based on the multi-agency and multi-national partnership structure.

Strengths

• Operational system with a long history, active since 1996.
• International collaboration involving ICAO, FAA, NOAA/NWS, WMO, and multiple countries.
• Data delivery is described as significantly faster than the previous communications system.

Limitations

• Description metadata is limited; actual data quality requires manual inspection after download.
• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and specific file formats are unknown, which may limit suitability assessment.

Provenance

Source

NOAA's World Data Center Washington, via the WMO's Global Telecommunication System (GTS).

Collection Method

Collected from the GTS, with added charts and computer forecasts, then broadcast via commercial satellites.

Time Range

Data available since 2002; system operational since 1996.

Geography

Global coverage, with specific satellite footprints over the Americas, Pacific, eastern Asia, Europe, Africa, and the Indian Ocean region.