Stratus undulatus (St un) – Clayton 1896, CCH 1953

(Section 2.3.8.3.3)

Patch, sheet or layer of Stratus showing undulations. This variety does not occur very often.

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.

Stratus undulatus (St un) – Clayton 1896, CCH 1953

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