Clouds and Precipitation. Cloud Naming Prefix indicates height – Cirro  high, 5-13 km – Alto  middle, 2-5 km – (none)  low, 0-2 km Name for appearance.

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Presentation transcript:

Clouds and Precipitation

Cloud Naming Prefix indicates height – Cirro  high, 5-13 km – Alto  middle, 2-5 km – (none)  low, 0-2 km Name for appearance – Cirrus  wispy strands – Stratus  layered, uniform – Cumulus  puffy with vertical structure Nimbo/nimbus indicates significant precipitation potential Additional adjectives are used (table 7.3, p. 189)

Cirrus

Cirrostratus

Cirrocumulus

Altostratus

Altocumulus

Stratus

Stratocumulus

Cumulus

Cumulus Congestus

Cumulonimbus

Precipitation - Terminal velocity Depends on several factors

Precipitation - Formation Warm Cloud Collision-Coalescence Cold Cloud Bergeron-Findeisen Process

Precipitation - Types Drizzle, rain, snow, hail, sleet, snow pellets, snow grains, freezing rain

Cirrostratus

Cirrus

Altostratus

Altocumulus

Stratus

Nimbostratus

Stratocumulus

Stratus

Stratocumulus

Cumulus Congestus

Cumulus & Cirrostratus

Cirrus & Cirrostratus

Cumulus & Cirrostratus

Cumulonimbus, Cirrus, & Cumulus

Cumulonimbus & Altocumulus

Cumulus & Cirrus