平成１８年豪雪における降雪分布の特徴：１０分間隔３ケ月間のレーダーデータ解析

DOI Web Site 被引用文献3件 参考文献22件

書誌事項

タイトル別名
  • Snowfall distribution characteristics of the heavy snow of the 2005/2006 Japanese winter: An analysis of the radar data of 3 months in 10-minute intervals
  • ヘイセイ 18ネン ゴウセツ ニ オケル コウセツ ブンプ ノ トクチョウ 10プン カンカク 3カゲツカン ノ レーダー データ カイセキ
  • An analysis of the radar data of 3 months in 10-minute intervals
  • 10分間隔3ケ月間のレーダーデータ解析

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抄録

Heavy snowfall was observed in many areas in Japan in the 2005/2006 winter. Strong cold-air outbreaks were observed almost continuously from December 2005 to the first half of January 2006, resulting in continuous strong snowfall. The snowfall distributions in the Hokkaido Region, the Tohoku Region, the Hoku-Shin'etsu Region and the Chugoku Region were analyzed from December 2005 to February 2006 using nationwide radar data in 10-minute intervals provided by the Japan Meteorological Agency. Precipitating cloud systems were continuously observed during the analysis period in all regions. Linear snow clouds were frequently observed through the analysis period. Moreover, many vortical snow clouds appeared during the period of the strong cold-air outbreak. Many fronts and cyclones appeared during the subsequent period. The precipitation in the entire analysis period showed the distribution concentrated on some specific areas in all regions. In the Hoku-Shin'etsu Region, linear snow clouds contributed the most to the snowfall distribution, and the snowfall was concentrated in the inland areas. The vortical snow clouds, fronts, and cyclones contributed to the snowfall in the vicinity of the plains. The result of a correlation analysis suggested that the mountains near Joetsu influenced the concentration of the snowfall of the areas around Tsunan and Okutadami.

収録刊行物

  • 雪氷

    雪氷 69 (1), 31-43, 2007

    公益社団法人 日本雪氷学会

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