Simultaneous multiple radiosonde observation on downslope strong wind

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We took a "simultaneous multiple-radiosonde observation" to draw horizontal and vertical atmospheric structure from a windward side to a leeward side in the central part of Mie Prefecture.The observation was conducted in a narrow area (horizontal distance between the windward and leeward observatories is about 35 km). The simultaneous multiple-radiosonde observation is the new observational method in which we simultaneously launched balloons with GPS radiosondes at four observatories along the prevailing wind from the windward to leeward. This observation gives us horizontal and vertical atmospheric structure of Suzuka-oroshi. "simultaneous multiple radiosonde observation" to observe the detail of the vertical structure of atmospheric fields. Observations shows typical Suzuka-oroshi with strong westerly wind. Horizontal pattern of the isentrope curved downward with a wave passing over the Mt. Suzuka range. The strongest wind region was located along the lee-side of the mountain slope.