Weather Dictionary / Glossary of Terms

TWEB


   Weather TermDescription / Definition
   TWEB Transcribed Weather Broadcasts - This NWS aviation product is similar to the Area Forecast (AF) except information is contained in a route format. Forecast sky cover (height and amount of cloud bases), cloud tops, visibility (including vertical visibility), weather, and obstructions to vision are described for a corridor 25 miles either side of the route. Cloud bases and tops are always Mean Sea Level (MSL) unless noted. Ceilings are always above ground level.


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Data courtesy of NOAA - National Oceanic and Atmospheric Administration