AWH 3-13

Chapter 3, Overview of Aviation Weather Information 3-13 Acronym/Abbreviation Definition TCF Traffic Flow Management Convective Forecast Temp Temperature TS Thunderstorm TSRA Thunderstorm with Rain T-Storm Thunderstorm Turb Turbulence VA Volcanic Ash VAA Volcanic Ash Advisory VAR Volcanic Activity Report VC Vicinity VCFG Fog in the Vicinity VCTS Thunderstorm in the Vicinity VFR Visual Flight Rules WAFS World Area Forecast System WDSPR DS Widespread Dust Storms WDSPR SS Widespread Sandstorms Wx or WX Weather Z Zulu 3.4.2 Summaries of Specific Weather Information Contained in Various Weather Products The following set of tables identify specific weather elements (e.g., thunderstorms, turbulence) and list the products that contain information relating to those elements. A brief summary description is also provided. These summaries are not intended to provide all of the details. More detailed information can be found in Chapters 24, 25, 26, 27, and 28. 3.4.2.1 Products with Thunderstorm Information Table 3-4. Weather Element: Thunderstorm Type: text (T), graphic (G), image (I), voice (V) Thunderstorm Information Contained In: Type Summary Observations METAR and SPECI (ASOS, AWOS, ATIS) T, G, V Thunderstorms are reported in the body section of the METAR/SPECI when observed or detected by lightning networks or observers. Lightning information is provided in the RMK section of the METAR/SPECI. PIREP T, G, V Included when reported.