topic: clouds & precipitation. review as humidity increases, what happens to the chance of...

Topic: Clouds & Precipitation

Review

As humidity increases, what happens to the chance of precipitation?

As temp reaches dew point, what happens to the chance of precipitation?

Lenticular Cloud over Mount Washington, NH (SBurns 2000)

How do clouds form?

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Dry adiabatic lapse rate =

Cloud Formation Ingredients

1) -2) -3) -

Clouds have flat bases -

Cloud Base Chart

How does air rise?

1) -2) -3) -

Flat Puffy

Low Stratus Cumulus

Medium Alto stratus Alto cumulus

High Cirrostratus Cirrocumulus

TallCumulonimbus(or Thunderstorm)

Nimbus means rain cloud.

How does precipitation occur?

Water vapor

Water condenses

Droplets grow larger

Droplets become heavy

Droplets fall

Droplets too heavy to stay in cloud

Rain Drops

King City, Ontario, Canada: A summer storm produces distant rain

A supercell thunderstorm forms over Montana.

Rain Snow

Sleet Freezing Rain

Precipitation

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Hail

Avg of 22 mph

Largest hail

7 inches in radius = 14 in diameter!

Aurora, Nebraska 6/22/03

Heaviest hailstone fell in Coffeyville, Kansas on September 3, 1970, weighing 1.7 pounds andhaving a radius of 14.5 cm (5.7 inches). = about 12 inches

1 inch of rain = --

FQ: Which location has the highest chance of

precipitation? Name the precipitation type ____________

http://www.polleverywhere.com/multiple_choice_polls/MjE0NTUyNjQ3MA/web