Plate 13-16 of 1921 cloud chart. 13. Undulated alto-cumulus, locally more or
less scaly. 14. Small alto-cumulus.... 15. Alto-cumulus somewhat ragged.
16. Turreted alto-cumulus. Tall cumulus below.
Image ID: wea02328, NOAA's National Weather Service (NWS) Collection
Photo Date: 1921
Photographer: NOAA Central Library Historical Collections
Category: Weather Wonders/
• High Resolution Photo Available
of the U.S. Department of Commerce, National Oceanic & Atmospheric
NOAA Central Library
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June 10, 2016