The Korea Meteorological Administration issued a heavy rain watch for the mountainous areas of Jeju Island at 3:00 AM on December 12th. This alert signals the potential for significant rainfall in the higher elevations of Jeju Island. Residents and travelers in the mountainous regions of Jeju Island are advised to exercise caution and prepare for potential disruptions due to the heavy rain. The alert was issued as a preemptive measure to ensure public safety amidst anticipated adverse weather conditions. Further updates and potential expansions of the alert area will be provided by the Korea Meteorological Administration as the situation develops. Those in Jeju Island’s mountainous areas should stay informed about weather reports and heed any official warnings or instructions.