Hear a Music Clip. Cloud Classification 1. Based on Altitude 2.Appearance from the ground LATIN...
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Transcript of Hear a Music Clip. Cloud Classification 1. Based on Altitude 2.Appearance from the ground LATIN...
Cloud Classification1. Based on Altitude
2. Appearance
from the ground
LATIN ROOTS
Cirrus - Curl of hair-Wispy fibers or Feathery-Latin word for curl
nimbus - Rain
stratus -Sheets or layers- no individual clouds-Latin word for layer or blanket
cumulus -Globular individual clouds-Puffy / cauliflower like-Latin word for heap
IDENTIFICATIONCIRRO- High level
ALTO- Middle Level
Low Level
Vertically Developing Clouds
Miscellaneous Types
High Level Clouds
-Base of the Cloud is above 6000 m (over 20,000 feet) - very cold
- Composed of ice crystals
- Thin and white in appearance
Cirrus
- Called “Mares’ Tails”
WEATHER: -Usually associated with fair weather
-Sometimes in advance of a storm system
- Wispy or feathery in appearance
- White-veined clouds that produce “halos” around sun or moon (due to light waves being bent by ice crystals)
Cirro-Stratus
WEATHER: -Precipitation will follow
- Appear like rippled sand or waves or fish scales
- “Mackeral Sky”
- Least common of high clouds
Cirrocumulus
http://aposf02.cityu.edu.hk/~ksliu/obs/cloud/Cirrocumulus1.jpg
WEATHER: -Omen of good weather
Mid Level Clouds
- Bases appear between 2,000 & 6,000 m.
(10,000 – 20,000 feet)
- Composed mainly of water droplets
Alto-Cumulus
- Puffy / often rippled or appear in waves
WEATHER: - consider fair weather, they often follow storms
- White to gray / larger than cirrocumulus
- “Sheep-back” clouds
- Formless gray or bluish in color
WEATHER: - light precipitation is coming
Alto-stratus
http://www.mmem.spschools.org/grade5science/weather/altostratus.jpeg
- Forms a thin veil over Sun or moon
Low Level Clouds- Base below 2,000 m (under 10,000 feet)
- Composed usually of water droplets unless the temperatures are very cold
Cumulus- Dense, billowy clouds
WEATHER: - Fair weather / lasts for a relatively short period of time then disappear
- Can be isolated or closely packed
- Flat bases, developing vertically
Strato-Cumulus
- Rolling mass of thin lumpy clouds / often joined together / might appear in rows
WEATHER: - Some precipitation with breaks of clear sky in between
- Not long lasting
- Puffy, Soft, gray clouds
- overcasted, Uniform cloud resembling fog
WEATHER:-rain or drizzle
-Lift quickly and indicate a fine day ahead
Stratus
- low layer that covers entire sky
Nimbo-stratus- Dark gray sheets that blot out the sum
WEATHER: -Indicative of lengthy precipitation
-Light to moderate precipitation in the form of rain or snow depending on the temperature
Other CloudsContrails – High level / extremely cold temperatures formed from Jet engines
Billows – unstable air flows
Mammatus Clouds – examples of sinking air
- harmless, but often seen after thunderstorms have passed.
Pileus – smooth clouds capping over mountain tops
OROGRAPHIC CLOUDclouds that develop in response to the forced lifting of air by the earth's topography
Vertically Developed Clouds
- Arise usually from swelling Cumulus
- Grow to heights of over 39,000 feet by thermal convection of frontal lifting
- Incredible amounts of energy
Cumulo-nimbus
-Towering Cloud
WEATHER:-Fast building / Squall line
- Heavy rainfall, thunder, lightning, hail & tornadoes
- Often with “anvil head”
Number your paper 1 to 20
IDENTIFICATIONCIRRO- High level
ALTO- Middle Level
Low Level
Vertically Developing Clouds
Miscellaneous Types
LATIN ROOTSCirrus - Curl of hair
- Wispy fibers or Feathery
nimbus - Rain
stratus -Sheets or layers- no individual clouds
cumulus -Globular individual clouds- Puffy / cauliflower like
Remember the cloud classification
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1. Cirrus
3. Cirrostratus
2. Cirrocumulus
4. Altocumulus5. Altostratus
6. Nimbostratus7. Stratus
10. Stratocumulus
8. Cumulus
9. Cumulonimbus
Stratocumulus
Cirrus
CHOICES: Cirrus, cirrostratus, cirrocumulus, alto cumulus, altostratus, stratocumulus, stratus, cumulus, nimbostratus, cumulonimbus
Cumulus
Cumulo-nimbus
CHOICES: Cirrus, cirrostratus, cirrocumulus, alto cumulus, altostratus, stratocumulus, stratus, cumulus, nimbostratus, cumulonimbus
Cirrostratus
Altostratus
CHOICES: Cirrus, cirrostratus, cirrocumulus, alto cumulus, altostratus, stratocumulus, stratus, cumulus, nimbostratus, cumulonimbus
Cirrocumulus
Altocumulus
CHOICES: Cirrus, cirrostratus, cirrocumulus, alto cumulus, altostratus, stratocumulus, stratus, cumulus, nimbostratus, cumulonimbus
www.weatherpictures.nl/ stratus.html
Stratus
Nimbostratus
CHOICES: Cirrus, cirrostratus, cirrocumulus, alto cumulus, altostratus, stratocumulus, stratus, cumulus, nimbostratus, cumulonimbus
http://www.ucar.edu/educ_outreach/webweather/cirrus.html
http://www.wxdude.com/page9.html
Sources
http://www.ems.psu.edu/~lno/Meteo437/atlas.html
www.geografforbundet.dk/ vejret/kikop.htm
www.mmem.spschools.org/. ../altostratus.html
web.ukonline.co.uk/.../ Cloud%20formations.htm
meteonew.free.fr/ nuages/altocumulus.htm
Cloud Pictures