“The low morning cloud made the road hard to see.”
Usage Entry 1307 / 1350 60-second read
Cloud vs. Fog
A mass of water droplets in the sky versus one at ground level.
The comparisoni
“The low morning fog made the road hard to see. Fog is ground-level cloud.”
The ruleii
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CLOUD = sky. FOG = ground.
CLOUD is a mass of condensed water droplets or ice crystals suspended in the atmosphere — above ground. FOG is the same phenomenon at ground level. Meteorologists define fog as visibility under 1 km. Mist is like fog but lighter (visibility over 1 km).
Memory aidiii
Remember it like this
Cloud up. Fog down.