Duplicatus

(Section 2.2.2.3.6)

Cloud patches, sheets or layers, at slightly different levels in two or more layers, sometimes partly merged.

This term applies mainly to Cirrus, Cirrostratus, Altocumulus, Altostratus and Stratocumulus.

The text enclosed in grey-shaded boxes, like this example, comprises Annex I to the Technical Regulations (WMO-No. 49) and has the legal status of standard practices and procedures.

Duplicatus

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