pl23_wea01220.jpg
![A non-tornadic spiral shaped radar echo is apparent in the lower left quadrantof the scope image wea01220.jpg A non-tornadic spiral shaped radar echo is apparent in the lower left quadrantof the scope image](https://s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_wea01220.jpg)
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https://www.noaa.gov/media/digital-library-photo/pl23wea01220jpgDescription
A non-tornadic spiral shaped radar echo is apparent in the lower left quadrantof the scope image. Observed on AFB CPS-9 PPI scope. The spiral echo is about90 miles southwest of radar location. The set was on long pulse (5 microsecond)and the antenna was elevated 1 degree.
Display Date
1959, July 1, 1501 CST
Location
Maxwell Air Force Base, Alabama
Collection
Weather Service
Exploring the Atmosphere
Radar & Other Methods
Keywords
Instruments
Electronic
Radar
Display