Geoscience Reference
In-Depth Information
cloud, resulting in falling of snow from the cloud base. Snowfall band (or
rainfall band) near the surface coincided with the area of minimum sensible
heat flux and it directly coincided with the area of relative humidity of
100%. Under air temperature below 0
◦
C near cloud base, water droplets
falling from stratocumulus type low cloud could form ice crystal phase
like snow.
However, as the low cloud moved down toward the ground surface of
coastal area in the east, snow phase of falling droplet was changed into rain
phase of droplet under higher air temperature over than 0
◦
C. If the distance
from the cloud base to the ground was too close, the droplet still remained
snow phase, showing snowfall in the coastal basin. As north-easterly wind
was gradually changed into northerly or north-westerly in the coastal sea
near the ending stage of snowfall and onshore wind was confined to the
only coast and the moisture advection from the coastal sea into the inland
became weaker, resulting in the movement of snowfall band into the coastal
sea and finally no snowfall in the coastal inland basin like a coastal city.
Acknowledgments
The author thanks Korean Meteorological Administration for the research
on “Gangwon region heavy snowfall prediction skill development of
2002-2005”.
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