[Gemid Meteor Shower 2025] "Conditions are good" without the influence of moonlight; "stormy" weather forecast

2025/12/09 15:47

The Geminid meteor shower is one of the three major meteor showers that reaches its peak in December every year.

A large number of meteors can be seen almost every year, so it can be said that
is the largest meteor shower of the year.

When conditions are good and an experienced observer observes the meteors, it is not uncommon to see around 100 meteors per hour.

This year, the conditions are favorable for
observations as there is almost no influence from moonlight.

If you are near Tokyo, you may be able to see up to 50 meteors per hour.



The peak of the meteor shower (when the meteor shower itself is most active) is around 5:00 pm on the 14th (Sunday), and from the night of the 13th (Saturday) to the morning of the 14th (Sunday) and from the night of the 14th (Sunday) to the morning of the 15th (Monday), it is likely that more meteors than usual will be seen.

The moonlight and other conditions are good, but
stormy weather is expected this weekend, so the weather conditions don't seem to be good.




Looking at the forecast weather map for Saturday and Sunday, the low pressure system accompanied by a front is expected to advance near the Korean Peninsula on the 13th (Saturday), and the low pressure system is expected to continue to develop and pass near Honshu on the 14th (Sunday).

This Saturday and Sunday, the rain will spread from the west, and the weather is likely to become stormy with strong rain and wind across the country until the 14th (Sunday).



Forecast for snow, rain and wind at 6pm on Sunday 14th.

The so-called maximum night, when the most shooting stars can be seen, is expected to occur from the night of Sunday the 14th to the early morning of Monday the 15th, but on the night of Sunday the 14th, it is likely that there will be snow and rain in some places, mainly in Tohoku and Hokuriku.

Winds will be strong across the country, with cold winds from the north.

On the Pacific side of western and eastern Japan, there are likely to be places where the clouds have cleared and
meteors can be seen, but
the wind is likely to feel quite cold.

When observing the meteor shower, it is best to wear clothing that protects you from the wind and cold.




It is expected that quite a lot of meteors will be visible from the night of the 13th (Saturday) to the morning of the 14th (Sunday), the day before the maximum night.

If you observe in a dark place with a dark sky, you can expect to see about 40 to 45 meteors per hour from 0:00 to 4:00 on the 14th.
In northern Japan and Hokuriku, there may be places where it is easier to observe it on the night of the 13th (Saturday), the day before
, than on the 14th (Sunday).




Meteors appear radially around the radiant point, but
they can appear not only near the radiant point but also in either direction, so
try to look over as wide a area of the sky as possible.

Also, it is a good idea to continue observing for at least 15 minutes until your eyes adjust to the darkness outside.

You can observe from a comfortable position by lying down on the ground on a leisure sheet or
sitting on a chair with a tiltable backrest.

However, it will be cold, so
please take precautions against the cold when observing.
Also, be careful not to get into an accident,
and observe good manners.

Friday: Stormy weather on the Sea of ??Japan side of northern Japan Widespread stormy weather as low-pressure system develops over the weekend 10 degrees Celsius expected in central Tokyo

2025/12/09 12:26

Weekly Weather Forecast
#High pressure in the west and low in the east in short cycles
#12th (Friday): Stormy weather on the Sea of Japan side of northern Japan due to winter-type pressure distribution
#Low pressure system will develop and pass through the weekend Widely stormy weather in western and northern Japan
#Maximum temperature expected to be 10c in the city center on the weekend



#Pressure pattern with high pressure in the west and low pressure in the east in short cycles
Over the next week, the pressure pattern will have high pressure in the west and low pressure in the east in short cycles, and cold air will move southward.
Tomorrow, the 10th (Wednesday), high pressure is expected to move near Japan, and the pressure pattern of high in the west and low in the east is expected to loosen.
Cold air with temperatures below -6c at around 1,500m above the ground will move north toward the Tsugaru Strait.
It is expected to snow intermittently on the Sea of Japan side of northern Japan.
The next day, on the 11th (Thursday), the low pressure system will move into the Sea of Okhotsk, and another low pressure system with another front will pass near the Tsugaru Strait and move off the coast of Kushiro.
A cold front extending from a low pressure system will pass from western Japan to the Tohoku region, and is expected to cause rain in western Japan and Hokuriku, rain and snow in Tohoku, and snow in Hokkaido.
After the passage of the low pressure system, the pressure will gradually become winter-like, with high pressure in the west and low pressure in the east.
Cold air with temperatures below -6c at an altitude of around 1500m is expected to move south toward the Sea of Japan side of eastern Japan.

#Friday the 12th: Stormy weather will occur on the Sea of Japan side of northern Japan due to winter-like pressure distribution



On Friday the 12th, there will be a winter-like pressure distribution.
Wet snow is expected to fall in the San'in region and northern Kinki region, and snow is expected to fall in places along the mountains of northern Gifu and Nagano prefectures, northern Kanto, Hokuriku, and the Sea of Japan side of northern Japan.
Winds are increasing across the country, and especially in Hokuriku and the Sea of Japan side of northern Japan, there will be stormy winds, blowing snow, and rough weather.
Depending on the strength of the winter-like air pressure distribution, there is a risk of severe storms.

#Over the weekend, a developing low pressure system will pass near Japan, causing widespread stormy weather across western and northern Japan



Over the weekend, a low pressure system will develop and pass near Japan, causing severe weather over a wide area.
On the 13th (Saturday), a low pressure system will move toward the western Sea of Japan, and rain is expected to occur from Okinawa to western Japan, with snow expected to fall in places on the Sea of Japan side of northern Japan.
On the 14th (Sunday), a low pressure system will move toward the coast of Sanriku.
It is expected to rain widely from Okinawa to Tohoku, with some snow mixed in along the mountains in northern Gifu prefecture, northern Nagano prefecture, northern Kanto, Hokuriku and Tohoku.
There are probably places in Hokkaido where it snows.
Due to the developing low pressure system, there is a risk of widespread rain, snow, and strong winds, leading to stormy weather.
Please pay attention to the latest information.
After this low pressure system moves eastward, the winter-like pressure pattern will become stronger.





#Weekend maximum temperature expected to be 10c in central Tokyo
On the 11th (Thursday), there will be many places where the temperature is higher than normal.However, from the 12th (Friday) to the 13th (Saturday), there will be many places where the temperature will be lower than normal due to the lingering influence of winter-like atmospheric pressure patterns and cold air.
On Saturday the 13th, the maximum temperature in the city is expected to be 10c.
Please take proper measures to protect yourself from the cold so that you do not get sick due to daily temperature changes.

Japan Meteorological Agency Announces Warning Information for Later Earthquakes off the coast of Sanriku, Hokkaido

2025/12/09 07:33

The Japan Meteorological Agency canceled all tsunami advisories that had been issued for the coasts of Hokkaido and the Tohoku region at around 6:20 a.m. today, the 9th (Tuesday).
On the other hand, at 2 a.m., the government announced the ``Warning Information for Later Earthquakes off the coast of Hokkaido and Sanriku.''

This information indicates that due to the occurrence of this earthquake, the possibility of a new large-scale earthquake occurring in the assumed epicenter area of the mega-earthquake from off the coast of Nemuro in Hokkaido to off the coast of Sanriku in the Tohoku region has increased relatively compared to normal times.
However, although the possibility of a new large-scale earthquake occurring has increased compared to normal times, the probability is low at around 1 in 100
based on past global events, and this information is not intended to inform you that a large-scale earthquake will definitely occur during a specific period.

Please take this opportunity to once again check evacuation locations, routes, evacuation shelters, drinking water, food,
emergency items, etc.

#Notes regarding information
+This information is intended to inform you that the possibility of a large-scale earthquake occurring is
relatively high compared to normal times, and is not intended to inform you that a large-scale earthquake will definitely occur
during a specific period.

+It is most important to keep in mind that large-scale earthquakes of Mw 8 class or higher often occur suddenly without any information
being released to alert people to subsequent earthquakes, and to thoroughly prepare for earthquakes on a daily basis.

+It is important to prepare for a huge earthquake with the largest class of tsunamis, but it is also necessary to prepare for earthquakes that are slightly smaller in scale but have a higher probability of occurring than the largest class of earthquakes, and earthquakes that shake strongly directly above
and occur in relatively shallow areas.

+Even outside the assumed epicenter area of a huge earthquake (from off the coast of Nemuro in Hokkaido to off the coast of Sanriku in the Tohoku region), caution is necessary as there is a possibility of a large-scale earthquake occurring in the vicinity of the previous earthquake.

+The probability of a subsequent earthquake occurring decreases the longer time passes since the earlier earthquake occurred, and the further away from the epicenter of the earlier earthquake.

+The probability that a subsequent earthquake will occur decreases as the magnitude of the subsequent earthquake increases, and the possibility that a subsequent earthquake of the
maximum class will occur becomes even lower.

Low-pressure system develops over the weekend, widespread stormy weather; first high temperature of the season expected in the city center - single digits or 9 degrees Celsius

2025/12/08 12:16

Weekly Weather Forecast
#High pressure in the west and low in the east in short cycles
#12th (Friday): Stormy weather on the Sea of Japan side of northern Japan due to winter-like pressure distribution
#Over the weekend, a developing low pressure system will pass through, widespread stormy weather in western and northern Japan
#Weekend, maximum temperature expected to be 9 degrees Celsius in central Tokyo; first high temperature of the season in single digits



#Air pressure will be high in the west and low in the east in short cycles
Over the next week, the pressure will be high in the west and low in the east in short cycles, and cold air will move southward.
A low-pressure system will move toward the Kamchatka Peninsula tomorrow, the 9th (Tuesday), and the area around Japan is expected to have a temporary high-to-the-west pressure pattern with low-to-the-east pressure.
It looks like there will be some rain or snow in the San'in region and northern Kinki region until the morning, but it will gradually clear up.
It is expected to rain gradually in Hokuriku, and it will snow intermittently on the Sea of Japan side of northern Japan.
As the cold air moves south, there will be some snow on the Sea of Japan side of northern Japan from tomorrow until the 10th (Wednesday).
It is expected to be sunny in many places on the Pacific side.

#12th (Friday) Stormy weather on the Sea of Japan side of northern Japan due to winter-like atmospheric pressure distribution



On the 11th (Thursday), a low pressure system will form in the Sea of Japan, pass through northern Japan, and move toward the waters near the Kuril Islands.
As the continental high pressure system protrudes, the area around Japan is expected to experience a winter-like atmospheric pressure pattern with high pressure in the west and low pressure in the east.
On the 11th (Thursday), there will be rain in Kyushu, Sanin, and northern Kinki, rain and snow in Hokuriku and the Sea of Japan side of Tohoku, and snow in some places on the Sea of Japan side of Hokkaido.
On Friday the 12th, there will be rain and snow in the San'in area and northern Kinki region, snow and rain along the mountains in northern Nagano prefecture and northern Kanto region, Hokuriku, and snow in places on the Sea of Japan side of northern Japan.
Winds are increasing across the country, and especially on the Sea of Japan side of Hokkaido, there will be stormy winds, blizzards, and rough weather.
Depending on the strength of the winter-like air pressure distribution, there is a risk of severe storms.





#A low pressure system will develop and pass over the weekend, causing widespread stormy weather across western and northern Japan.
Over the weekend, a low pressure system will develop and pass near Japan, causing severe weather over a wide area.
On the 13th (Saturday), a low pressure system will move eastward over the western Japan Sea and the south of western Japan, causing rain in western Japan and the Tokai region, and snow on the Sea of Japan side of northern Japan.
On the 14th (Sunday), the low pressure system in the Sea of Japan will move towards northern Japan, and the low pressure system off the southern coast of Honshu will move off the coast of Sanriku.
It is expected to rain widely from Okinawa to Tohoku, and it will snow in some places in Hokkaido.
Due to the developing low pressure system, there is a risk of widespread rain and wind, leading to stormy weather. Please pay attention to the latest information.
After this low-pressure system moves eastward, the winter-like pressure pattern will become stronger, and it is possible that even stronger cold air will move southward.

# Weekend maximum temperature expected to be 9 degrees Celsius in central Tokyo; first high temperature of the season in the single digits
On the 11th (Thursday), many places are expected to have higher than normal temperatures. However, in a complete change, from the 12th (Friday) to the 13th (Saturday), there will be a winter-like atmospheric pressure distribution, and there will be many places where the temperature will be lower than normal.
On Saturday the 13th, the maximum temperature in the city is expected to be 9c.
Please take proper measures to protect yourself from the cold so that you do not get sick due to daily temperature changes.

It's another warm day in eastern and western Japan. Temperatures in northern Japan are lower than the day before.

2025/12/08 06:41

Today, the 8th (Monday), eastern and western Japan will be covered in warm air, with many places experiencing higher-than-normal temperatures. On the other hand, northern Japan will have a winter-like atmospheric pressure pattern, and as cold air flows into the upper atmosphere, temperatures are expected to drop in many places compared to the previous day.



The predicted maximum temperature is Sapporo: 4c, Sendai: 16c, Tokyo: 19c, Nagoya: 16c, Kanazawa: 14c, Osaka: 18c, Kochi: 19c, Fukuoka: 17c.

In eastern and western Japan, temperatures tend to rise mainly in areas that receive sunlight, and it is likely to be a day where you can feel the warmth of the sunlight during the day. It gets cold in the mornings and evenings, so please be aware of the temperature difference between morning and evening and daytime.
As cold air gradually flows into northern Japan, it gets colder at night than in the morning. When going out, you need to be careful when choosing your clothes.

Weather today, the 8th (Monday): Rough weather in northern Japan, easy day in Kanto

2025/12/08 06:22

Today, the 8th (Monday), a developing low pressure system will pass over northern Japan. In northern Japan, you need to be careful about the rough weather with strong rain and wind.
It will be sunny in many places from Kanto to the west.



As the low pressure approaches, many places in Hokkaido will gradually experience snow and rain. Rain is expected to fall in many places in Tohoku and Hokuriku, mainly in the morning. The rain will temporarily become stronger and may turn into thunderstorms in some places, so be careful of lightning, hail, and sudden heavy rain.
In the afternoon, cold air will gradually flow in, and even flat areas in Tohoku will likely turn to snow in some places. The wind will also be strong, so please be careful in Hokkaido due to poor visibility due to blizzard.

From Kanto to the west, there are many places where sunlight reaches, mainly on the Pacific Ocean side. You can feel the warmth of the sunlight during the day.
There is a possibility of showers on the Sea of Japan side of western Japan, such as in the San-in region, so it is a good idea to bring a foldable umbrella when going out.

[Weekly Weather] Northern Japan has a periodic winter-like atmospheric pressure pattern. There is also a risk of severe weather over a wide area next weekend.

2025/12/07 18:43

There is a low pressure system off the coast of Sanriku and it is moving northeast.
There is also a low pressure system in Primorye and northeastern China, which is moving northeast.
On the other hand, there is a high pressure system moving eastward in the East China Sea, and it is spreading from west to east Japan.
Currently, there is a pressure trough in northern Japan, and rain and snow are falling in places from Hokkaido to Hokuriku, mainly on the Sea of Japan side of
.

Tomorrow, the 8th (Monday), a low pressure system accompanied by a front is expected to develop and pass from the Sea of Japan to northern Japan.
From eastern Japan to western Japan and the Amami-Okinawa region, it will be sunny in many places, especially on the Pacific side, but in northern Japan and rural areas, atmospheric conditions will be extremely unstable due to the effects of warm, humid air flowing toward low pressure systems and fronts, and cold air above.
Cumulonimbus clouds are expected to develop and heavy rain with thunder is expected in some places.
In the northern part of Tohoku on the Sea of Japan side, please be careful of landslides caused by heavy rain until the evening of the 8th.
The ground has become loose in some places due to previous rains, so even a small amount of rain could increase the risk of landslides and lead to warning-level heavy rain.
Also, in Hokkaido, Tohoku, and the Hokuriku region, be careful of strong gusts of wind such as tornadoes, lightning, hail, and sudden heavy rain.

After the front passes, the pressure will become winter-like, with high pressure in the west and low pressure in the east.
At night, there will be many places where the snow will turn to snow.
It is expected that there will be places where it will rain or snow even in the San'in region on the Sea of Japan side.



Tuesday, the 9th, will be a winter-type pressure pattern with high pressure in the west and low pressure in the east.
As a result, there will be snow and rain on the Sea of Japan side from Hokkaido to the Hokuriku region.
It is expected to be sunny in many places on the Pacific side.



10 (Wednesday) will be covered by a mobile high pressure system centered on western and eastern Japan, and the winter-like pressure distribution will be relaxed. However, on the Sea of Japan side of northern Japan, clouds tend to spread due to cold air, and there may be places where it rains or snows.

Later in the week, on the 11th (Thursday), a pressure trough will pass through northern Japan. Then, around the 12th (Friday), the atmospheric pressure will become winter-like again.





Also, over the weekend from the 13th (Saturday) to the 14th (Sunday), a low pressure system is expected to develop and pass near Japan.
The weather will deteriorate over a wide area around Japan, and depending on the degree of development and course of the low pressure system, the weather may become rough.
After that, the winter-like atmospheric pressure pattern will strengthen, and there is a risk that even stronger cold air will move south, causing snow to fall over a wide area, mainly on the Sea of Japan side.

Please pay attention to future information.

Weather for the week: Rain and snow continue in northern Japan and Hokuriku. Be careful of stormy weather next weekend around the 14th.

2025/12/07 07:10

From now on, rain and snow will continue from the Sea of Japan side of northern Japan to Hokuriku, and sunny weather will continue along the Pacific side of eastern and western Japan. Next weekend, the passage of a low-pressure system will cause the weather to deteriorate over a wide area, and there is a possibility of rough weather on the Sea of Japan side.



Tomorrow, the 8th (Monday), a low pressure system will pass near northern Japan, bringing rain and snow from the Sea of Japan side of northern Japan to Hokuriku. Snow may increase along the mountains of northern Japan due to the effects of cold air above.



After the low pressure passes, there will be a temporary winter-like pressure distribution. On the 9th (Tuesday), as the cold air moves southward, snow is expected to spread across the mountains of Hokuriku.
Even after that, the region from northern Japan to Hokuriku is likely to be affected by low pressure systems and low pressure troughs, and rain and snow are expected to continue. On the other hand, from eastern to western Japan, sunny weather will continue. The air tends to be dry, and it gets even colder in the mornings and evenings, so please try not to get sick. Also, be careful when handling sources of fire.

From around the 13th (Saturday) to the 14th (Sunday), a low pressure system is expected to advance from the west and continue to develop as it moves through the Sea of Japan. As a result, the weather is expected to deteriorate over a wide area around Honshu from around the 13th (Saturday) to the 14th (Sunday), and the Sea of Japan side may experience rough weather with strong rain, snow, and strong winds. In addition, after the low pressure system passes, the winter-like pressure pattern may become stronger, and strong cold air in the upper atmosphere may move southward.

At this point, there is a wide range of predictions regarding the path of the low pressure system, the degree of development, the strength of the cold air moving south, etc., but please pay close attention to future information.

Tomorrow, the 7th (Sunday), the cold will ease and it will be sunny mainly on the Pacific side of western and eastern Japan. Be careful of rain and thunderstorms on the Sea of ??Japan side of northern Japan and Hokuriku.

2025/12/06 20:21

Tomorrow, the 7th (Sunday), a trough of atmospheric pressure will pass through northern Japan, and eastern and western Japan will be covered in high pressure. Warm air will more easily flow from the high pressure system in the south to the low pressure system in the north, so the cold will ease in many places, and temperatures are likely to be higher than normal.



Western and eastern Japan will be stable and sunny, mainly on the Pacific side. However, the air tends to dry out, so care must be taken when handling sources of fire. Use lip balm, hand cream, etc. to prevent dry skin.



Atmospheric conditions will be unstable in northern Japan and Hokuriku due to a trough in atmospheric pressure. In Hokkaido and the Tohoku region on the Sea of Japan side, rain will start and stop, and there will likely be some places in Niigata and Ishikawa prefectures where rain clouds will form. The predicted probability of lightning strikes is particularly high on the Sea of Japan side of the Tohoku region, where thunderclouds are likely to develop. Please be aware of changes in the sky, as there may be thunderstorms, tornadoes, severe gusts of wind, and hail.

Also, many places are expected to experience rain instead of snow, such as the flatlands of Hokkaido and the mountains of Tohoku. In areas with heavy snowfall, the risk of avalanches and falling snow increases, so please be careful.

Saturdays, Sundays, and winter weather in many places. [Good days for cleaning] What are the recommended spring cleaning activities based on the weather

2025/12/06 12:04

The first weekend in December is covered by high pressure, and many places are sunny.

After this, western and eastern Japan will be covered by an anticyclone, and mild winter skies are expected to continue into the 7th (Sunday).

On the other hand, northern Japan is on the edge of a high-pressure system,
with the influence of moist air flowing in, leading to rain and thunderstorms in some places in the afternoon.
Even if it's sunny now, you need to be careful about sudden changes in the weather.



Due to the cold air, the cold will continue until the morning of tomorrow, the 7th (Sunday), but
from the daytime on the 7th (Sunday), the cold will ease.
The temperature in western and eastern Japan will rise to around 15-20c, and
the sun will feel warm during the day.


This weekend's weather will be relatively calm, and it won't be too cold, so it looks like it will be a perfect day for cleaning.


Did you know that this "spring cleaning" can be done more efficiently by changing the location
depending on the weather


First of all,
Recommended places for cleaning on sunny days, like this weekend on the Pacific Ocean side...



Sunny days have the advantage of low humidity, moisture evaporates quickly, and dries quickly,
making it easy to ventilate.

For this reason, cleaning the floors, ventilation of closets, and
cleaning on wet days are suitable for cleaning on sunny days.





On the other hand, cloudy days are more humid than sunny days.

When it rains, the window glass gets wet and gets dirty again even if you clean it, so
"Window cleaning" is recommended on cloudy days.

Appropriate humidity makes it easier to remove dirt.

Also, when the sky is sunny, the sunlight reflects and it becomes difficult to see the dirt on the window glass, but when the sky is cloudy, the dirt on the window glass becomes easier to see.



When it's raining, we recommend ``sweeping'' the areas that should be cleaned, taking advantage of the

moisture that prevents dust and fallen leaves from flying up
.

Also, after the rain, we recommend cleaning the balcony while it's still wet.