About ANDO NAOKI
About 水戸地方気象台
About UENO KEN'ICHI
About 筑波大 生命環境系
About extratropical cyclone
About precipitation (meteorology)
About snowfall
About winter
About secular variation
About heavy snow
About meteorological observation
About south coast cyclone
About Climatology,climatic change
About 温帯低気圧
About 本州
About 陸域
About 降水
About 降雪
About 発現
About 傾向