WW2010
University of Illinois

WW2010
 
  welcome
 
> online guides
 
  archives
 
  educational cd-rom
 
  current weather
 
  about ww2010
 
  index

Online Guides
 
  introduction
 
> meteorology
 
  remote sensing
 
  reading maps
 
  projects, activities

Meteorology
 
  introduction
 
  air masses, fronts
 
> clouds, precipitation
 
  el nino
 
  forces, winds
 
  hurricanes
 
  hydrologic cycle
 
  light, optics
 
  midlatitude cyclones
 
  severe storms
 
  weather forecasting

Clouds, Precipitation
 
  introduction
 
  mechanisms
 
  precip processes
 
  high level clouds
 
  mid level clouds
 
> low level clouds
 
  vertically developed
 
  other cloud types

Low Level Clouds
 
> nimbostratus
 
  stratocumulus

User Interface
 
  graphics
> text

NOTE: We've guessed that you're not using a client that supports colored tables and have tried to compensate. Low graphics mode looks much better on clients that do... we recommend switching to Netscape 3.0 or Microsoft Internet Explorer.
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Nimbostratus Clouds
low dark clouds with precipitation

Nimbostratus are low level clouds, typically dark gray in color and associated with light to moderately falling precipitation. Low clouds are almost always comprised of water droplets since their bases generally lie below 6500 feet (2000 meters). However, when temperatures are cold enough, these clouds may contain ice particles and snow.

[Image: nimbostratus clouds (80K)]


Because of the falling precipitation, the sun or moon is not visible through nimbostratus, unlike with cirrostratus clouds, where the sun or moon can be seen. Cloud bases are often difficult to accurately determine, since a layer of fog commonly forms beneath and around the bases of these clouds.


Terms for using data resources. CD-ROM available.
Credits and Acknowledgments for WW2010.
Department of Atmospheric Sciences (DAS) at
the University of Illinois at Urbana-Champaign.