Heavy Snow and Cold Winds in Northern Japan

The winter pressure pattern continues to dominate today (Thursday), with a focus on northern Japan.

Nov 30, 2023 - 09:55
Feb 16, 2024 - 11:07
Heavy Snow and Cold Winds in Northern Japan
Photo by Michael Schlierf

The Japan Sea side of Hokuriku and northern Japan is expected to experience persistent cold rain and snow, with the likelihood of heavy snowfall, especially in mountainous areas of northern Japan. Strong winds and potential snowdrifts add to the challenge, requiring caution due to reduced visibility. The influence of cold air results in lower daytime temperatures nationwide compared to yesterday (Wednesday), making even sunny areas feel colder due to the chilly north winds.

Snow intensity increases in central and northern Japan, with attention to worsening visibility and road conditions. The winter pressure system persists, bringing precipitation, mainly snow, to the Japan Sea side from Hokuriku to northern Japan. Strong cold air aloft is expected to intensify snowfall, particularly along the mountains of northern Japan. Rapid snow accumulation poses a risk of deteriorating road conditions, emphasizing the need for caution. Northern Japan is also likely to see snow clouds extending to the Pacific side. Persistent strong winds may cause drifting snow, further reducing visibility, necessitating careful driving. Coastal areas in Hokuriku and Tohoku, already softened by previous rainfall, should remain vigilant against potential landslides. However, Tohoku is expected to transition to snow along the coast.

Clouds are likely to spread over western Japan's Japan Sea side, bringing morning rain. The Pacific side from Kyushu to Kinki may experience brief morning showers, gradually improving throughout the day. During the day, clear skies are expected in many areas from Kanto to the western Pacific side.

Even in sunny areas, the north wind feels chilly. The influence of cold air results in lower daytime temperatures nationwide compared to yesterday (Wednesday), with temperatures around 12°C in the Tokai region to the west, unusually low for this season. Places like Matsue and Kanazawa may experience 9°C, feeling even colder due to the wind chill. While Tokyo may reach 16°C, the afternoon will feel colder due to the chilly north wind, requiring careful clothing choices. Sapporo, experiencing snowfall, is expected to have a daytime high of -1°C, officially reaching a winter day. Warm, wind-resistant clothing is advisable.

The weekend brings further cooling. Tomorrow (Friday), snow and rain persist on the Japan Sea side, particularly in northern Japan. However, the snow area is expected to narrow in the afternoon. Despite the decreasing snow coverage, temperatures remain low, with the Tokyo and Osaka areas experiencing a December-like cold of around 12°C. Some areas, such as Fukuoka and Matsue, may continue to experience winter-like cold. Morning chill intensifies over the weekend, emphasizing the need for warmer coats and bedding to stay healthy.

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