[Anchor]
As we reported earlier, the concentration of rain damage in the Chungcheong region is due to the nature of the monsoon front, which tends to dump heavy rain over narrow areas. Another round of heavy rain is forecast for the Seoul metropolitan area from tonight, July 9, through tomorrow morning.
Seo Donggyun has the details.
[Reporter]
First, let us look at the radar showing the movement of rain clouds overnight.
You can see the shape of the rain clouds, which are narrow in width and elongated from east to west.
These long rain clouds poured heavy rain over the Chungcheong region throughout the night.
In particular, Sejong experienced extreme rainfall of 80mm per hour.
From yesterday to this morning, heavy and intense rain fell in various areas, with 251mm recorded in Cheonan and 217mm in Boeun.
This is a weather map from early this morning that shows the temperature and humidity of the atmosphere, or the characteristics of the air mass.
The extreme rainfall occurred as cold, dry air from the north met warm, humid air from the south, with the Chungcheong region at the center of this collision.
The monsoon front is moving up to the Seoul metropolitan area tonight.
The period from tonight to tomorrow morning is expected to be the critical point.
This is because it is easier for water vapor, which acts as the seed for rain clouds, to flow in. During the day, turbulence caused by surface heating makes it difficult for water vapor to enter, but these obstacles disappear at night.
Accordingly, very heavy rain of around 50mm per hour is expected in the Seoul metropolitan area by tomorrow morning.
With up to 200mm or more of heavy rain forecast for the Seoul metropolitan area and Gangwon Province, residents should prepare for safety accidents.
The monsoon rain is expected to continue until tomorrow morning.
[Interview: Gong Sang-min / Forecast Analyst, Korea Meteorological Administration: As the North Pacific High remains strong until early next week, the stationary front will stay in the northern part of the Korean Peninsula. Therefore, the monsoon rain caused by the stationary front will likely see a lull for the time being.]
After the rain stops, sweltering heat will arrive across the country, followed by more monsoon rain expected in the middle of next week.
(Video reporting: Kim Young-hwan | Video editing: Kim Jong-mi | Design: Kim Han-gil, Jo Su-in)
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