One-month forecast for Hokkaido The end of the heat after a typhoon is far away (Weather forecaster Takanori Kamata August 17, 2023)-Japan Weather Association tenki.jp
Hokkaido’s one-month forecast The end of the heat is far away after the typhoon passes
August 17, 2023 15:37
For the next month in Hokkaido, precipitation and sunshine hours will be normal. However, the average temperature is high, and the lingering summer heat is likely to become severe. Especially for the next week, the typhoon will pass, and both the lowest and highest temperatures will be significantly higher than normal. It seems that it is necessary to devise ways to rest the body so that the next day’s fatigue does not remain, such as using the air conditioner appropriately.
Week 1 (August 19th to 25th) The Pacific high is full of energy, still hot like midsummer
Today (17th), the outlook for the next month was announced by the Sapporo District Meteorological Observatory.
Over the next week, the Pacific anticyclone will be strong, and warm, moist air will flow into the vicinity of Hokkaido around the edge of the anticyclone. Even if it is cloudy in the morning and evening, it will be sunny during the day, and there will be more sunny days. The temperature is high, and it seems that midsummer days will continue mainly in the inland. It will be hot and humid during the day.
Hot nights have been observed all over the country, and Hokkaido is no exception. The heat is getting tougher. In 2022, no tropical nights were observed. Over the next week, there may be hot spots where nighttime temperatures do not fall below 25 degrees Celsius. It seems necessary to take measures against heatstroke during sleep in the middle of summer, such as using air conditioning even at night and drinking plenty of water before going to bed.
Week 2 (August 26th to September 1st) 70-80% chance of higher than normal temperatures
The weather changes every few days, but the Sea of Japan side and the Sea of Okhotsk side are likely to be affected by low pressure and moist air, so cloudy and rainy days are expected to increase compared to normal years.
If the extension of the Pacific high pressure weakens, the front will stagnate between the high pressure system in the north and reach the vicinity of Hokkaido. Therefore, it is necessary to pay attention to the strength of the rain.
It’s almost time for the temperature to drop with each rainfall, but this year, even if the cold air comes in, the warm air will quickly return, and it is possible that the temperature will not drop easily. The probability that the average temperature will be higher than normal is 80% on the Sea of Japan and Pacific Ocean sides, and 70% on the Sea of Okhotsk side. is.
Week 3-4 (September 2-15) There is a risk that the front will be stagnant more days
The weather will change in cycles of a few days. The average temperature will continue to rise, but it is expected to be a time when you can gradually feel changes in the air.
According to forecasts, the Pacific anticyclone tends to be stronger than usual even at this time of year, and it is possible that the front will not be able to move away from the area around Hokkaido. Around mid-July, it rained heavily several times, but it is possible that cloudy and rainy days will continue like those days. Please pay attention to the latest weather information.
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2023-08-17 06:37:54
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