Re-Evaluation of the Collection Efficiency of the Hydrometeor Videosonde for Dry Snow Particles

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概要

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• The collection efficiency of a hydrometeor videosonde (HYVIS) for dry snow particles is re-evaluated. This is estimated from comparisons with simultaneous aircraft data taken from a warm frontal cloud. The observed cloud is relatively uniform below an altitude of 5.5km, where the standard deviation of ice particle concentrations is less than 40%. Comparing both size spectra measured with the balloonborne HYVIS and the airborne two-dimensional optical array probe within comparable size ranges (300 to 1500μm) reveals that the collection efficiency of the HYVIS for dry snow particles is approximately 0.5, with an uncertainty of 50%, assuming that the airborne probe provides reference concentrations in these size ranges.

• 2005-06-24

著者

• Murakami Masataka

  Meteorological Research Institute

• YAMADA Yoshinori

  Meteorological Research Institute

• ORIKASA Narihiro

  Meteorological Research Institute

• HOSHIMOTO Mizuho

  Meteorological Research Institute

• Hoshimoto Mizuho

  Meteorological Research Institute:(present Address)climate And Marine Department Japan Meteorologica

• Yamada Yoshinori

  Meteorological Research Institute:(present Address)numerical Prediction Division Japan Meteorologica

• Yamada Yoshinori

  Meteorological Res. Inst.

関連論文

• The Precipitation Process in Convective Cells Embedded in Deep Snow Bands over the Sea of Japan
• Re-Evaluation of the Collection Efficiency of the Hydrometeor Videosonde for Dry Snow Particles
• Radiative Properties of Mid-latitude Frontal Ice-Clouds Observed by the Shortwave and Longwave Radiometer-Sondes

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