Pannus

(Section 2.2.2.5.3)

Ragged shreds sometimes constituting a continuous layer, situated below another cloud and sometimes attached to it.

Occurs mostly with Altostratus, Nimbostratus, Cumulus and Cumulonimbus

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.

Pannus

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