Plate 9-13 of 1921 cloud chart. 9. Cirro-cumulus, overhead. 10. Cirro- cumulus, with tufted cirrus. 11. Thin, undulated alto-straus forming above a layer of fog or stratus… 12. Thin alto-stratus (lower right) transforming to growing alto-cumulus, which becomes merged into dense alto-stratus….”
Photo Category: Weather Wonders
Photo Date: 1921
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| Added On | 19th October 2015 |
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