NOTE: For slower Internet connections and browsers, it is recommended to turn off the display of the interactive map. You can do this through the settings page under the "USER" menu.

ADDS - Aviation Digital Data Service
 
 

 
 

This product has an updated version. See it on the new page: Ceiling and Visibility

Ceiling and Visibility


    Precautionary Use Statement: This product is for flight planning purposes only and should always be used in combination with ceiling and visibility (C&V) information from official sources such as METARs, AIRMETs, TAFs and Area Forecasts. CVA (Ceiling and Visibility Analysis) is intended to aid situational awareness with a quick-glance visualization of current C&V conditions across an area or along a route of flight. CVA derives C&V for areas between METAR stations so may, as a function of distance from a METAR, misrepresent actual conditions. See the Help Page for additional information on CVA use and limitations.

  • Plotted Ceiling, Visibility, and Flight Category:
    Select either "Ceiling", "Visibility", or "Flight Category" condition, choose a valid time, then click on a region of the map.
     Ceiling or
     Visibility or
     Flight Category
    Valid at
Contiguous US LWS: Lewiston, ID sector WMC: Winnemucca, NV sector LAS: Las Vegas, NV sector COD: Cody, WY sector DEN: Denver, CO sector ABQ: Albuquerque, NM sector PIR: Pierre, SD sector ICT: Wichita, KS sector AUS: Austin, TX sector MSP: Minneapolis, MN sector DTW: Detroit, MI sector EVV: Evansville, IN sector LIT: Little Rock, AR sector ALB: Albany, NY sector BWI: Baltimore, MD sector CLT: Charlotte, NC sector MGM: Mongomery, AL sector TPA: Tampa, FL sector

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