1. 1) Mainichi Newspaper : Strong blizzard in Nemuro, “downtown looks like the sea”, storm surge causes 1.5 m deep flooding. Dec 17, 2014.
2. 2) Asahi Newspaper : Flooding in Nemuro, chaos in Hokkaido, strong wind in western Japan, and first snow in Osaka. Dec 17, 2014.
3. 3) MLITT : Response of the Hokkaido Development Office to blizzards and storm surges. Ministry of Land Infrastructure Transport and Tourism, Hokkaido Development Office. http://www.hkd.mlit.go.jp/kyokutyou/h26/0218/01.pdf . 2014.
4. 4) Kossin, J. P., Emanuel, K. A., and Vecchi, G. A. The poleward migration of the location of tropical cyclone maximum intensity, Nature, v509, pp349-352, 2014.
5. 5) Bengtsson, L., Hodges. K. I., and Keenlyside, N. : will Extratropical Storms Intensify in a Warmer Climate? Journal of Climate. vol. 22, pp. 2276-2301, 2009.