South Korea's capital was blanketed on Wednesday by the heaviest snowfall in Seoul during November on record, with bad weather snarling traffic, knocking out power and grounding hundreds of flights as authorities braced for more snow in coming days.

The worst November snowstorm in half century has hit Seoul, grounding hundreds of lights countrywide and disrupting commuter traffic in the capital.

As of 3 pm, the capital city had received 18 centimeters of snow, marking the biggest snowfall in November since modern weather observations began in 1907, according to KMA.