Weather Dictionary / Glossary of Terms

Plan Position Indicator


   Weather TermDescription / Definition
   Plan Position Indicator An acronym for Plan Position Indicator. A PPI displays radar data horizontally using a map projection. In PPI mode, the radar makes a 360-degree sweep with the antenna at a specific elevation angle. A PPI display is the familiar radar display shown on the television weather programs.


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Data courtesy of NOAA - National Oceanic and Atmospheric Administration