
Hallasan Mountain Samgakbong recorded a cumulative rainfall of 209ใโฆ Flight cancellations and delays continue
AI-generated summary
As Typhoon No. 30 'Champi' heads north, heavy rain warnings and strong wind warnings have been issued for the Jeju region.
(Jeju = Yonhap News) Reporter Kim Ho-cheon = With Typhoon No. 30 'Champi' heading north, heavy rain fell on Jeju for two days, causing flooding damage.
According to the Jeju Regional Meteorological Administration on the 24th, a heavy rain warning and a strong wind warning were in effect for the land area of โโJeju Island, and a wind storm warning was in effect for the surrounding sea from the previous day.
Accordingly, as of 6 p.m. on this day, the cumulative precipitation at major points of Hallasan Mountain was 209 mm in Samgakbong, 195.5 mm in Azalea Field, 191 mm in Witse Oreum, 188.5 mm in Seongpanak, 175 mm in Sajebi, and 145.5 mm in Yeongsil.
Precipitation in mid-mountainous areas is 191 mm in Sancheondan, 177 mm in Songdang, 169 mm in Wasan, 163 mm in Odeung, 161 mm in Gasiri, 142 mm in Hannam, and 118 mm in Saekdal.
In the coastal area, 169.5 mm fell the most in Pyoseon, Seogwipo City. Next is Daeheul 166mm, Seongsan 164.2mm, Gimnyeong 154.5mm, Seogwipo 124.8mm, Sangye 121mm, Gosan 77.7mm, and Hallim 71.5mm.
Four cases of damage due to heavy rain and strong winds were reported to the Jeju Island Fire and Safety Headquarters.
At around 7:40 am on this day, a manhole on the road in Samyang-dong, Jeju-si, flowed backwards, and at 2:40 pm, a drainage problem occurred on the road in Hwabuk-il-dong, Jeju-si. At around 3:30 p.m., a greenhouse in Ihoi-dong, Jeju City was flooded.
Earlier, at around 9 p.m. the previous day, the median on the road in Hwabukil-dong, Jeju City was toppled by strong winds.
At Jeju International Airport, 4 flights (excluding 16 pre-cancelled flights) were canceled and 121 flights were delayed.
Among the 10 passenger ships connecting Jeju and other regions, the Songlim Blue Ocean, which goes to Wando via Chuja Island, and the Santa Monica, which goes to Jindo, were canceled. On this day, the Hanil Gold Stella to Wando in the morning and the Queen Mary to Mokpo in the afternoon operated normally. The remaining passenger ships were either suspended or underwent maintenance.
In Jeju, there will be strong and heavy rain and very strong winds until tomorrow, and there will be very high waves on the sea.
Additional precipitation expected until the morning after tomorrow is 80 to 150 mm. In mountainous and mid-mountainous areas, there may be places where it falls by more than 200 mm.
In particular, due to the influence of Typhoon Champi, there is a possibility that the wind warning for the southern seas of Jeju Island will be changed to a typhoon warning on the morning of the 25th.
The Korea Meteorological Administration advised people to refrain from entering the Hallasan Trail, Oreum, coastal or mountainous Olle trails, and to pay special attention to flooding of low-lying areas, river flooding, and rapid currents.
In addition, as high waves due to swells on the Jeju coast for the time being may be strongly pushed onto white sandy beaches or over seawalls or breakwaters, it was recommended to be especially careful about safety accidents, such as refraining from approaching the coast.
AI outlook โ possibilities, not facts
There is a possibility that the storm warning for the southern part of Jeju Island will be changed to a typhoon warning.
Likely ยท Within hours
![[Weather] Heavy rain in the southern region on Sundayโฆ More than 200 mm in three days in Jeju mountainous area](/api/img?u=https%3A%2F%2Fimg.yna.co.kr%2Fphoto%2Fyna%2FYH%2F2026%2F10%2F24%2FPYH2026102402700005600_P2.jpg&w=320&q=72&f=webp)
On Sunday, the 25th, it was mostly cloudy across the country, and heavy rain was forecast in the southern region and Jeju Island. Heavy rain of up to 200 mm or more is expected to fall in the mountainous areas of Jeju Island.

The Ministry of Public Administration and Security raised the storm and flood disaster crisis warning for Jeju and the southern coastal region to 'caution' and dispatched an on-site situation management officer as Typhoon No. 30 'Champi' moved north.
![[Weather] Strong rain in the southern part of Jeju on Saturdayโฆ Beware of strong winds and swells](/api/img?u=https%3A%2F%2Fimg.yna.co.kr%2Fphoto%2Fyna%2FYH%2F2026%2F10%2F18%2FPYH2026101806420001300_P2.jpg&w=320&q=72&f=webp)
On the 24th, the entire country will be mostly cloudy, with heavy rain expected to fall mainly in the southern region and Jeju Island. Heavy rain of 20 to 30 mm per hour is expected on the southern coast and Jeju Island, and caution is required due to high waves caused by coastal swells.

As of 8 p.m. on the 23rd, the Korea Meteorological Administration announced that a strong wind advisory was in effect for the Jeju Island mountainous region, Seogwipo City, and some areas of Jeju City, and that a heavy rain advisory was maintained for the Jeju Island mountainous region, the mid-mountainous area of Seogwipo City, and the southern part of Seogwipo City.

Heavy rain, strong winds, and swell waves are expected throughout the weekend due to the influence of Typhoon No. 30 'Champi' in Jeju and the southern region. Heavy rain of up to 250 mm or more is expected to fall in mountainous areas of Jeju.

On the afternoon of the 23rd, the Korea Meteorological Administration announced that a heavy rain advisory was in effect for the mountainous areas of Jeju Island and the Seogwipo city area, and that a wind advisory was maintained for all waters off Jeju Island.