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EA:  LOW_CLOUD_GENUS

Status: STD 2005/06/07
Code: 613
Concept definition: The genus of a <LOW_CLOUD>.
 
Attribute value type: ENUMERATION
Reference type: PR
Reference: [WMO407, Section II.8.2.1]
Supplemental references:  
Enumerants (presented in a natural order)
Status Attribute label Enumerant label ▾ Concept definition Code Ref type Reference Supplemental references
STD
2005/06/07		 LOW_CLOUD_GENUS CUMULONIMBUS A heavy and dense <CLOUD> with considerable vertical extent in the form of a mountain or a set of huge towers; cumulonimbus. At least part of its upper portion is usually smooth, fibrous, or striated, and nearly always flattened. This portion often spreads out in the shape of an anvil or vast plume. 1 PR [WMO407, Section II.2.3.1, "cumulonimbus"]  
STD
2005/06/07		 LOW_CLOUD_GENUS CUMULUS Detached <CLOUD>s that are generally dense with sharp outlines and develop vertically in the form of rising mounds, domes, and/or towers, the bulging upper part of which often resembles a cauliflower; cumulus. The sunlit parts of these <CLOUD>s are mostly brilliant white and the bases are relatively dark and nearly horizontal. 2 PR [WMO407, Section II.2.3.1, "cumulus"]  
STD
2005/06/07		 LOW_CLOUD_GENUS NONE_PRESENT No <LOW_CLOUD>s present; none present. 3  
STD
2005/06/07		 LOW_CLOUD_GENUS STRATOCUMULUS A grey or whitish or both grey and whitish patch, sheet, and/or <CLOUD_LAYER> that almost always has dark parts composed of tessellations, rounded masses, or rolls, that are non-fibrous (except for virga) and which may or may not be merged; stratocumulus. Most of the regularly arranged, small elements have an apparent width of more than 5 arc degrees as observed from the <PLANETARY_SURFACE>. 4 PR [WMO407, Section II.2.3.1, "stratocumulus"]  
STD
2005/06/07		 LOW_CLOUD_GENUS STRATUS A generally grey <CLOUD_LAYER> with a fairly uniform base that may give <DRIZZLE>, ice prisms, or <SNOW_GRAINS>; stratus. When the <SUN> is visible through the <CLOUD_LAYER>, its outline is clearly discernible and does not show halo phenomena except possibly at very low <<AIR_TEMPERATURE>>s. 5 PR [WMO407, Section II.2.3.1, "stratus"]  
Group membership:

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