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EA: HIGH_CLOUD_TYPE_OBSERVED
EE: CIRRUS_le45_ARC_DEGREE

Status: STD 2005/06/07
Code: 6
EA label: HIGH_CLOUD_TYPE_OBSERVED

Concept definition: Cirrus (often in bands) and cirrostratus or cirrostratus alone that are progressively invading the sky and generally thicken as a whole, but the continuous veil does not reach 45 arc degrees above the horizon; cirrus less than or equal to 45 arc degree.
 
Reference type: PR
Reference: [WMO306, Volume I.1, Part A, Code table 0509:5]
Supplemental references: [WMO407, Section II. 8.2.3.6]

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