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Parsivel (Laser Optical) Disdrometer

Ali Tokay
Document Description

Overview of the Parsivel instrument:

  • Measures size and fall velocity of hydrometeors
  • Present weather sensor
  • Sampling area: ~50 cm2, varies with drop diameter
  • Number of size and velocity bins: 32 x 32 matrix
  • Drop size range: 0.06-24.5 mm
  • Velocity range: 0.05-20.8 m/sec
  • Operation period at Wallops Island: Spring 2002 - present
  • Manufacturer: OTT in Germany
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