In the Kanto Koshin region, there is a rainy season.

2022/06/06 13:40 Weathernews

Today at 11 o’clock on the 6th (Monday), there was an announcement that the rainy season in the Kanto Koshin region was earlier than last year, and it was a bad season for those suffering from weather pain.

The weather will continue to be unclear, and the weather forecast released by Weathernews is widely expected to be of the “warning” rank.

In the rainy season, not only the rainy season is cold, but also the atmospheric pressure, temperature, and humidity change a lot due to hot and humid weather and thunderstorms. It is said that if your body cannot keep up with the seasons, you are more likely to get sick.

If you are taking medicine for weather pain such as headache or dizziness, be prepared in advance.

To the rainy season that suffers from weather pain

Although the Baiu front will once move to the south sea, it is expected that cloudy and rainy days will continue not only in the Kanto Koshin region where the Baiu has entered.

Next, the Baiu front moves north, and it is highly possible that it will rain over a wide area of ​​the Japanese archipelago following next weekend.

In addition, the temperature will rise as the front moves north, and unpleasant sultry heat will be added, so please be careful regarding your physical condition.

During the rainy season, you may feel depressed and stress on your body may be more likely to accumulate, so please be careful.

“Caution” and “Slightly caution” will continue in the future

“Atmospheric pressure” is the key to weather pain

It is said that not only changes in the weather such as sunny and rainy weather, but also temperature, humidity, and atmospheric pressure are greatly related.

Especially with regard to temperature and humidity, you can feel changes in daily life such as “hot / cold” and “wet / dry”, but you cannot easily feel the changes in atmospheric pressure.

Weathernews Weather Pain Forecast builds a weather pain prediction logic focusing on changes in atmospheric pressure that are difficult to feel on the skin, even among the causative weather factors.

(2) Atmospheric pressure ups and downs that repeat twice a day at almost fixed times (atmospheric tide)

On the other hand, there are patterns in the weather map that are not clearly represented but cause weather pain. It is believed that this may be related to “atmospheric tides”.

To explain the atmospheric tide in an easy-to-understand manner, it refers to the periodic changes in atmospheric pressure that occur due to the warming of the atmosphere by sunlight during the day and the cooling following sunset. It is a change in atmospheric pressure that fluctuates in a half-day cycle that repeats ups and downs.

This cycle may coincide with the cycle of human biological rhythm, which is a 1/1000 level change compared to the pressure fluctuation at the weather map level in (1), but it triggers weather pain. ..

This change is generally high around 9 and 21:00 and low around 3 and 15:00. Even when there is no low pressure or typhoon, the fluctuation range of atmospheric pressure seems to be regarding several hPa.

Previous studies have also shown that the risk of developing weather pain increases when the range of fluctuations in this ups and downs is greater than the average.

(3) Small periodic pressure fluctuations

Finally, it is called micro-pressure fluctuation, which is a smaller change than the atmospheric tide mentioned earlier, and corresponds to a very small change of 1/10000 level compared to the pressure fluctuation at the weather map level in (1).

Examples of micro-pressure fluctuations occur when a cyclone approaches, when cumulonimbus clouds occur, and due to the effects of air currents over mountains.

The amount of change in atmospheric pressure due to micro-pressure fluctuations is 1 hPa or less, and the duration is as short as several minutes to several tens of minutes, but when it occurs, it often rushes multiple times a day.
The vibration is smaller and finer than the above two patterns, but it is thought that those who have a sensor sensitive to weather pain will be affected by such small changes.

Reference materials, etc.