AWH 3-11

Chapter 3, Overview of Aviation Weather Information 3-11 Table 3-3. Acronyms and Abbreviations Used in Product/Element/Phenomenon Tables Acronym/Abbreviation Definition AFD Aviation Forecast Discussion AGL Above Ground Level AIREP Aircraft Report AIRMET Airmen’s Meteorological Information AK Alaska ARTCC Air Route Traffic Control Center Ash Volcanic Ash ASOS Automated Surface Observing System ATIS Automatic Terminal Information Service AWOS Automated Weather Observing System AWW Airport Weather Warning BCFG Patchy Fog BKN Broken BLDU Blowing Dust BLSA Blowing Sand BR Mist CB Cumulonimbus CIP Current Icing Product CONUS Contiguous United States CWA Center Weather Advisory DRDU Drifting Dust DRSA Drifting Sand DS Dust Storm ECFP Extended Convective Forecast Product FA Area Forecast FG Fog FIP Forecast Icing Product FL Flight Level FROPA Frontal Passage ft Feet FZFG Freezing Fog GFA Graphical Forecasts for Aviation GTG Graphical Turbulence Guidance