That looks like a misocyclone event that you have recorded. A good case for
Doppler Radar in the UK.
Cracking Pics.
Depending on response here I may post up the paper that started it all on my
webserver .... the analysis of the Wokingham storm. Meanwhile there's one
scan already there from "Airflow in Convective Storms" from 1962 paper he
http://82.39.122.1/Images/wokingham2.jpg the similarities are pretty
striking.
The scan is from the RMS, volume 88, 376, April 1962, thank you Les Lemon /
Keith Browning.
Les
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