clouds and precipitation. cloud naming prefix indicates height – cirro high, 5-13 km – alto ...
Post on 15-Jan-2016
214 views
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 potentialAdditional 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 dAC
mgv
dT
2
Precipitation - FormationWarm Cloud
Collision-CoalescenceCold Cloud
Bergeron-Findeisen Process
Precipitation - Types
• Drizzle, rain, snow, hail, sleet, snow pellets, snow grains, freezing rain
Cirrostratus
Cirrus
Altostratus
Altocumulus
Stratus
Nimbostratus
Stratocumulus
Stratocumulus
Cumulus Congestus
Cumulus & Cirrostratus
Cirrus & Cirrostratus
Cumulus & Cirrostratus
Cumulonimbus, Cirrus, & Cumulus
Cumulonimbus & Altocumulus
Cumulus & Cirrus