When a disaster might be caused by a heavy rain or a strong wind; "Advisory", "Warning", Furthermore, when the fear that a serious disaster happens is remarkably big, I announce "Emergency Warning" and appeal for attention and caution.

Details is here
HOKKAIDO OSHIMA & HIYAMA | |||
Oshima Chiho | Oshima Hokubu | Yakumo-cho Yakumo | Dense fog |
Oshamambe-cho | Dense fog | ||
Oshima Tobu | Hakodate-shi | Dense fog | |
Hokuto-shi | Dense fog | ||
Nanae-cho | Dense fog | ||
Shikabe-cho | Dense fog | ||
Mori-machi | Dense fog | ||
Oshima Seibu | Matsumae-cho | Dense fog | |
Fukushima-cho | Dense fog | ||
Shiriuchi-cho | Dense fog | ||
Kikonai-cho | Dense fog | ||
Hiyama Chiho | Hiyama Hokubu | Yakumo-cho Kumaishi | Dense fog |
Imakane-cho | Dense fog | ||
Setana-cho | Dense fog | ||
Hiyama Nambu | Esashi-cho | Dense fog | |
Kaminokuni-cho | Dense fog | ||
Assabu-cho | Dense fog | ||
Otobe-cho | Dense fog | ||
Hiyama Okushirito | Okushiri-cho | Dense fog |