ESS-5
Prof.
Jin-Yi Yu
qFrozen Dew
–Occurs when normal dew
formation processes occur followed by a drop in temperature to below freezing
–Ensures a tight bond
between ice and the surface
–Causes “black ice” on
roadways
qSimply a surface cloud when air either cools to the dew point, has moisture added, or when cooler air is mixed with warmer moister air.
qRadiation Fog
–Occurs when near
surface air chills diabatically to saturation through terrestrial radiation loss on clear cool
nights
–Require a slight breeze
to vertically mix air through a shallow column