2023-06-20 09:17:49
Tomorrow 21st “summer solstice” Stormy weather from the west Heavy rain, lightning strikes and gusts caution 22nd Kanto also heavy rain
June 20, 2023 at 18:17
From the 21st tomorrow, the atmospheric conditions will become unstable from the west. Tomorrow, the 21st, there will be localized heavy rain in Kyushu, Chugoku, and Shikoku, and there may be heavy rain. On the 22nd, Kinki, Tokai, and Kanto will be raining widely, and there will be periods of heavy rain. Be careful of “sudden changes in weather” such as thunderstorms and gusts.
Tomorrow 21st is the “Summer Solstice” Heavy rain and thunderstorms in Kyushu, Shikoku and China
Tomorrow, the 21st, the high pressure system covering Honshu will gradually move away to the east, and warm and moist air will flow in from the south. The atmospheric conditions are likely to become very unstable, especially in western Japan.
It will start raining gradually in Kyushu from tonight, and it will rain widely from the morning on the 21st tomorrow. It is expected that the rain will intensify in some places along with thunder in the evening.
Shikoku and Chugoku regions will also have rain at night, and there will be places where it will rain heavily on the Pacific Ocean side. Be careful of lightning strikes and gusts of wind when you return home. Also, in Ehime Prefecture, from the followingnoon of the 21st tomorrow, there is a risk that Yamajikaze, one of the three major local winds in Japan, will blow. Beware of strong southerly winds.
In Kinki and Tokai, there are many clouds during the day, and there are places where it rains at night. The Kanto region is cloudy and sunny, and it seems that the weather will not change. Hokuriku, Tohoku, and Hokkaido will be mostly sunny.
There will be no rain during the day, and temperatures will rise mainly in Kinki and Hokkaido.
The heat will be intense, so be sure to take measures once morest heat stroke.
Tomorrow the 21st is the summer solstice, the longest day of the year. Northern Japan, where the weather is clear, will likely be the center of the daylight hours.
“Linear rain belt” occurs in the Amami region
On the 20th, “Information on significant heavy rain” was announced in the Amami region.
As of 6:56 p.m., the Amami region is experiencing torrential rain accompanied by thunder due to a linear precipitation belt.
Due to the influence of the seasonal rain front, it is expected that there will be localized very heavy rain with thunder until the evening of the 21st in the Amami region. In addition, there is a risk of severe gusts such as lightning strikes and tornadoes late at night on the 21st.
<雨の予想>
Hourly precipitation expected on the 20th (heavy areas)
Amami region 70mm
Hourly precipitation expected on the 21st (heavy areas)
Amami region 30mm
Expected 24-hour precipitation from 18:00 on the 20th to 18:00 on the 21st (heavy areas)
Amami region 200mm
It has been raining intermittently in the Amami region, and it has already become a record heavy rain for June, and there are places where the ground has loosened due to the heavy rains so far.
Please be vigilant once morest landslide disasters in the early morning of the 21st, flooding of low-lying land, rising rivers and flooding in the late evening of the 20th.
If you live in an area where there is a risk of landslides, such as near cliffs or rivers, try to evacuate early, pay attention to information such as evacuation orders issued by municipalities, and act safely. please give me.
The day following tomorrow, the Kanto and Tokai regions will be in full swing
Developed rain clouds are expected to move eastward on the 22nd the day following tomorrow.
On the 22nd, the Kinki, Tokai, and Kanto regions will see heavy rain, accompanied by thunder and heavy rain. There is also a risk of localized rainfall and gusts of wind. Be careful of sudden changes in weather.
On the 23rd, the atmospheric conditions in northern Japan will become unstable, and we need to be careful of sudden strong rain and thunderstorms.
Signs of the end of the rainy season in Okinawa
There will be rain from the 21st to the 23rd tomorrow, and the heat will calm down in some places, but it will be temporary.
Over the next week, the Pacific anticyclone is expected to expand its strength, and temperatures are expected to rise in various places.
Humidity and temperature will rise even further, so the area where strict precautions once morest heatstroke will be required will expand.
By the end of the week, even in Hokkaido, the temperature is likely to reach 30 degrees Celsius.
If you haven’t used the air conditioner yet, please prepare for the real heat by doing a test run to see if it works properly.
There are signs that the rainy season is finally over in Okinawa. Right following the rainy season ends, the risk of heatstroke increases. Please be careful of the heat more than ever before.
Earlier, following yesterday’s 19th, the Yaeyama region of Okinawa Prefecture announced a “heatstroke alert”. Tomorrow, the 21st, the risk of heatstroke will be extremely high, so please be more proactive than usual to prevent heatstroke.
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