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Super Typhoon Hinnamnor Alert Update-East Asia


The Situation:

Typhoon Hinnamnor is heading toward South Korea forcing cancellations of hundreds of flights and prompting schools to switch to remote learning as the entire nation went on high alert for what could be the most powerful storm to ever hit the country.


As of 5 September, the typhoon is located 390 kilometers south-southwest of Jeju's Seogwipo, moving north at a speed of 22 kilometers per hour. The typhoon is forecast to edge closest to the southern island of Jeju around 1 a.m. (local) on 6 September and reach the southern coastal region of South Gyeongsang Province around 7 a.m. on 6 September. By 9 am, on 6 September the typhoon is expected to reach the city of Busan. South Korea is expected to receive an accumulated rainfall between 100 and 300 millimeters, with the areas of Jeju and some southern coastal regions receiving more than 400-600 millimeters.


On 5 September, Typhoon Hinnamnor impacted the westernmost main island of Kyushu with heavy rain. Heavy rains and winds are expected to worsen through 6 September. Parts of Kyushu are expected to receive 300 millimeters of rain in the next 24 hours.


As of 5 September, there were no immediate reports of casualties in South Korea. At least 11 homes and buildings were flooded in Jeju while more than 270 people were forced to evacuate in Busan and nearby cities due to safety concerns. In South Korea, around 370 domestic flights and 100 ferry services were grounded and hundreds of roads and bridges were closed nationwide as of while more than 66,000 fishing boats returned to port. In Japan, 70 flights were canceled



Possible Effects:

  • Heavy rainfall could lead to flooding along streams, rivers and roadways

  • Landslides possible in hilly or mountainous areas

  • Coastal surges

  • Strong winds and wind gusts

  • Downed trees, hindering rescue/recovery efforts

  • Delayed or rerouted traffic

  • Cancelled, delayed, or rerouted flights

  • Power outages in homes and places of work


Mitigating Measures to Apply:

  • Check with the destination (i.e. accommodations, work sites, etc.) to ensure they are open and operating

  • Monitor local news and weather media for updates

  • Allow extra time for travel to and from the destination and airport

  • Do not travel during height of storm threat

  • Avoid traveling through flooded areas

  • Use extreme caution when traveling near coastal areas and over bridges and during times of high winds

  • Keep extra bottled water in lodging

  • Keep electronics charged and maintain contact throughout the remainder of the trip

  • Confirm flight itinerary prior to departure to the airport

  • Enroll in a Safe Traveler program to receive warnings from your preferred embassy

  • Follow the directions of local authorities including any evacuation orders

DISCLAIMER and Hold Harmless Disclaimer: LSDS™ gathers information from multiple sources and offers insight and perspective to travelers. Sources cannot be validated for accuracy in every instance. Travelers assume all risk associated with their travel and are responsible for the decisions associated with travel and for their own safety. Users of this reference document agree, to hold harmless LSDS™ (LLC) its employees and clients associated with any risk or injury incurred during travel.

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