in fog-prone area
MOUNTAIN
Mountain areas have many upslope fogs as humid air rises along the slopes due to the geographical characteristics. It occurs frequently in April-October except May, especially in September-October.
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Fogs in Daegwallyeong mountainous areas occur mainly in the summer and fall seasons, and they have long-lasting characteristics when the east wind air currents are blown.
In autumn, radiation fog is more frequent than up-slope fog.
generally it lasts 2 to 4 hours,
but in winter, radiation fog is less frequent than radiation fog, though it is more affected by up-slope fog that lasts more than 24 hours.
*MAM: Mar. Apr. May (Spring)
JJA: Jun. July Aug. (Summer)
SON: Sep. Oct. Nov. (Fall)
DJF: Dec. Jan. Feb. (Winter)
related accidents
22-vehicles pileup on YEONGdong highway
â–·Time: 2011.03.01. 14:32 KST
â–·Location: between three tunnels 3 to 5 Daegwallyeong toward
Gangneung on Yeongdong Highway
22 vehicles collided in a row due to thick fog in three places
between tunnels 3 to 5 Daegwallyeong toward Gangneung
on Yeongdong Expressway. 20 people were injured in the accident.
The accident occurred when five vehicles leaving the Daegwallyeong Tunnel
number 4 collided with thick fog and icy roads. Six cars collided again
as the following vehicles moved slowly or stopped.
A total of 22 vehicles, including three buses,
three trucks and 16 cars, collided in three places.
