University of Auckland X-Band Rain Radar Page

  • Mt Ruapehu Ash Plume Advection

X-band radar can also be used to image volcanic ash plumes. In 1996 the Atmospheric Physics Group deployed the old Caravan Radar (left) to Mount Ruapehu during a period of eruptive activity.

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(Right) This weak plume was advected by the local winds and happened to pass almost directly over the radar.