Photo/Illutration Visitors stroll along an avenue of blooming Kawazu-zakura cherry blossoms in Kawazu, Shizuoka Prefecture, on Feb. 10. (Shinnosuke Ito)

A high-pressure system brought warm southern winds to Japan that created temperatures usually felt in April in many parts of the country, with the spring-like weather expected to continue on Feb. 15. 

A low-pressure system that has moved south to the Sea of Japan will meet warm air from the south that day, creating unstable weather conditions.

The highest temperature is expected to be 20 degrees in downtown Tokyo on Feb. 15.

Authorities are warning of the risk of avalanches as snowpacks melt.

Temperatures will then drop on Feb. 16 as a front passes through.

However, a high-pressure system will move over the Japanese archipelago over the weekend, bringing back the warm weather.

Temperatures are expected to reach around 20 degrees until the middle of next week.

As of 3 p.m. on Feb. 14, the highest temperatures were 18.5 degrees in downtown Tokyo; 20.9 degrees in Kamogawa, Chiba Prefecture; 20.9 degrees in Kawanehon, Shizuoka Prefecture; 21.3 degrees in Tanabe, Wakayama Prefecture; and 20.4 degrees in Fukuoka.

Temperatures reached record highs for February in 68 locations in Hokkaido and the Tohoku region.

The combination of high temperatures and sunny weather is expected to increase the pollen in the air.

Cedar pollen season began in early February and the amount of pollen is expected to increase from Feb. 15, mainly in the Kanto-Koshin region and the main island of Kyushu, according to the Japan Weather Association.

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