SIGWX is a Significant Weather Chart defined by ICAO. Weather charts being issued by World Area Forecast Centres (from meteorological offices in London and Washington), presenting the most important meteorological phenomena relevant especially for air traffic transport. WAFC publishes them in two formats Charts are typically being issued every six...
Found on
http://en.wikipedia.org/wiki/SIGWX
The abbreviation for Significant Weather Effects - weather that affects flying conditions.
Found on
http://www.bbc.co.uk/weather/weatherwise/glossary/s.shtml
No exact match found.
