By: Leigan Laughery

Upper Level Clouds

Cirrus- wispy strands

Cirrocumulus- composed of ice crystals, resembles rumbles

Cirrostratus- very thin, composed of ice crystals

small amount of water vapor

Middle Level Clouds

Altocumulus- usually settle weather

Altostratus- associated with changing weather


composed of liquid water

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Lower Level Class



Sometimes occur as individual clouds but more often appear as a general forecast often widespread and are associated with somber skies and drizzle rain.

Vertical Clouds



Low base to a height up to 15km

Very active vertical movements in the air


Fog forms when cool air passes over a warm body of land.

Radiation Fog- when ground loses heat by radiation, usually at night.

Advection Fog- when warm, moist air moves horizontally over a cold surface.

Upslope Fog- created adiabatic cooling when humid air climbs a topographic slope.

Evaporation Fog- water vapor is added to cold air that is already near saturation.

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Storm Presentation


On August 29, 2005, Hurricane Katrina struck the golf coast of the United States. Hurricane Katrina fell into category 3. Winds were between 100-140 miles per hour and stretched 400 miles across. More than $100 billion worth of damages including flooding and loss of people's homes in Louisiana, Mississippi, and Alabama. The Coast Guard rescued over 34,000 people in New Orleans. Hurricane Katrina nearly killed 2,000 people and affected 90,000. It was formed from an interaction between tropical wave and a tropical depression.