Cirrus Clouds Above 6000 m Means “curly” ice crystals.
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Transcript of Cirrus Clouds Above 6000 m Means “curly” ice crystals.
Cirrus Clouds
• Above 6000 m• Means “curly”• ice crystals
Cirrus
• Sunlight passes through easily
Cirrocumulus
• Form before or after a snowfall or rainfall.
Cirrostratus
• Halo appearance around sun or moon.
• Bending of light rays as they pass through the ice crystals.
• May thicken and lower to turn into altostratus clouds.
Stratus Clouds
• Means “sheet-like” or “layered”
• low clouds• Form when warm,
moist air lies below a layer of cold air.
• Often block out sun.• Cover large areas.
Nimbostratus
• Nimbo means “rain”• Bring heavy rains or
snow.
Cumulus
• Means “piled” or “heaped.”
• Form due to warm, moist air rises and cools.
• Height of cummulus depends on speed of upward movement and moisture in the air.
Cumulus
• Lots of moisture rises.
Billowing Cumulus
• Will develop into a cumulonimbus cloud.
Cumulonimbus
• Thunderhead• Rain• Lightning• Thunder
Altocumulus
Stratocumulus
Fog
• Low level stratus cloud.
• Radiation fog or “ground fog.
Steam Fog
• Fog over James River.• Land on other side of
bridge, no fog.• Forms near lakes or
rivers where cool air meets warm water.
Upslope fog
• Forms when air cools as it rises along landslopes.
Advection Fog
• Warm moist air goes over cool land.