Topic: Clouds & Precipitation. Review As humidity increases, what happens to the chance of precipitation? As temp reaches dew point, what happens to the.

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Presentation transcript:

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?

---

Dry adiabatic lapse rate =

Cloud Formation Ingredients 1) - 2) - 3) -

Clouds have flat bases  -

Cloud Base Chart How high is this cloud?

How does air rise? 1) - 2) - 3) -

FlatPuffy LowStratusCumulus MediumAlto stratusAlto cumulus HighCirrostratusCirrocumulus Tall Cumulonimbus (or Thunderstorm) Nimbus means rain cloud.

How does precipitation occur?

Water vapor Water condenses Droplets grow larger Droplets become heavyDroplets 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 ----

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 and having a radius of 14.5 cm (5.7 inches). = about 12 inches

1 inch of rain = -- How many inches of snow can you make with 1 inch of rain?

FQ: Which location has the highest chance of precipitation? Name the precipitation type ____________ Final Question