Central and Honam 10~60mm… In the eastern part of Gyeonggi-do, the maximum is 80 mm or more.
After a sunny day on the 12th, rain on the 13th and 15th affected by the congestion front
The heat continues all week… After the 16th, both heavy rain and heat waves are possible
As the pressure valley and the stagnant front are approaching at once from China, rain is expected across the country, starting with the central region and northern Gyeongbuk on the night of the 10th.
According to the Korea Meteorological Administration, it will rain from the night of the 10th to the followingnoon of the 11th in the central region and northern Gyeongsangbuk-do, and from the dawn of the 11th to the night of the 11th in the southern regions and Jeju.
In the central region, precipitation is expected to be concentrated from the late night of the 10th to the morning of the 11th.
It will rain heavily from the early morning of the 11th to the morning of the 11th, centered on Honam and Jeju.
The intensity of precipitation is expected to be ‘up to around 30 mm per hour’ during these precipitation intensive hours, and gusts of wind, thunder, and lightning will accompany it.
Of course, strong rain does not pour steadily throughout the precipitation concentration period.
The total precipitation in the central region (excluding the central east coast of Gangwon, the south east coast of Gangwon, the central part of North Chungcheong, and the southern part of North Chungcheong Province), Honam, northern Gyeongsangbuk-do, and Jeju is expected to be 10 to 60 mm.
In eastern Gyeonggi, Gangwon (excluding central and southern eastern coasts), northern Chungcheong and Jeonnam, the amount of precipitation is expected to exceed 80 mm.
The expected precipitation is 5-40 mm in the central east coast of Gangwon, the south east coast of Gangwon, the central part of North Chungcheong, the southern part of Chungbuk, the southern part of Gyeongbuk, Gyeongnam, Ulleungdo and Dokdo.
The causes of rain are different in the central region and northern Gyeongsangbuk-do, and in the southern region and Jeju.
In the central region and northern Gyeongsangbuk-do, it will rain as the cold, dry barometric valley passes.
The cause is that the hot and humid southwest wind blown by the low pressure approaching Korea from the southern part of Shandong Peninsula in China and the east wind blowing along the edge of the Okhots Sea high pressure in the northeast meet in the lower atmosphere.
As the air from the lower layer rises, it will meet the cold, dry air accompanying the pressure valley passing through the upper layer, and develop a rain cloud belt locally.
Rain clouds are strongly developed, but the possibility of staying in one area for a long time is low.
In other words, the central region and northern Gyeongsangbuk-do have a high probability of appearing in a state of lull following a sudden rain.
The difference in precipitation between regions will be so large that it rains on the west side but not on the east side with a mountain in between.
Precipitation may increase if the rain clouds are more stagnant than expected.
In the southern regions and Jeju Island, it will rain because of the stagnant front that is currently developing in central China and the mesoscale cyclone created on the stagnant front.
Therefore, when it is affected by mesoscale cyclones, it will rain, and when it is not, the rain will subside.
From the 12th, when all the pressure valleys and stagnant fronts have passed, it will be mostly clear and very hot as Korea enters the area of u200bu200bthe Okhotsk Sea High Pressure.
However, the stagnant front will remain in the southern sea even following passing Korea, and it will rain sporadically on the 12th in Jeju and parts of the southern coast.
Since the center of the Okhotsk Sea High Pressure is located in the central and northern seas of the East Sea, the east wind is expected to blow toward the Korean Peninsula.
In the northern hemisphere, winds blow in a clockwise direction along the edge of the high pressure.
As this east wind collides with the Taebaek Mountains, it rises and rains down Yeongdong, Gangwon.
Also, as it crosses the mountain range, it will become hot and dry, which will intensify the heat in the western part of the mountain range.
From the 13th to the 15th, the cold, dry air in the upper atmosphere will move from the north to the south and collide with the subtropical high pressure in the south, forming a stagnant front once more.
The cold, dry air from the north, branching down, is expected to push the stagnant front south.
In particular, the stagnant front is expected to rapidly push south as cold air forms mesoscale cyclones and the low pressure pulls cold air down once more.
There is a possibility of rain due to the stagnant front and the mesoscale cyclone developed on the front, but it is difficult to estimate the area or amount of rain yet.
This is because the degree and speed of stagnant front development will vary greatly depending on the strength and phase of the cold north air.
The Korea Meteorological Administration said, “As the stagnant front moves south, the cloud belt will also move, so there is not much room for extreme precipitation.”
After the 16th, there is a possibility of both heavy rain and heat waves.
At this time, a blocking phenomenon that blocks the atmospheric east-west flow occurs, and cold air from the north cannot escape to the east but descends to the south and collides with the subtropical high pressure, creating a stagnation front.
At present, it is difficult to predict where this stagnant front will span.
The weather will change throughout the next week, but what is certain is that the heat will continue.
On the 11th, hot and humid air will continue to flow into Korea, on the 12th it will be sunny and sunny, and on the 13th and 15th it will rain, but the clouds will act as a blanket to prevent the temperature from dropping overnight.
/yunhap news
