Definition
CENTER WEATHER ADVISORY
An unscheduled weather advisory issued by Center Weather Service Unit meteorologists for ATC use to alert pilots of existing or anticipated adverse weather conditions within the next 2 hours. A CWA may modify or redefine a SIGMET.
- See: AIRMET
- See: GRAPHICAL AIRMEN'S METEOROLOGICAL INFORMATION
- See: SAW
Source: FAA Pilot/Controller Glossary (verbatim from the Federal Aviation Regulations).