防災計画 (1)

[IV-114] Use of prognostic chart for forecasting heavy snowfall and snowstorms of disaster scale

*Yoshinori Kawashima¹, Hideki Mutoh², Norihiro Saka² (1. Docon Co., Ltd, 2. Ministry of Land, Infrastructure, Transport and Tourism Hokkaido Regional Development Bureau)

Keywords:snowstorms, preventive traffic regulation, prognostic chart, central pressure 976hPa , 5 isobars, two-ball low pressure