Plate 21-24 of 1921 cloud chart. 21. Strato-cumulus or alto-stratus sheet, slightly mammulated…. 22. Strato-cumulus, evaporating scaly type…. 23. Cumulus and strato-cumulus below, thin alto-stratus above. 24. Lenticular alto-stratus. Uper, standing clouds topping S wind; lower left, standing cloud in lee of Mt. Washington during NW gale; lower right, conditions unknown.
Photo Category: Weather Wonders
Photo Date: 1921
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Added On | 19th October 2015 |
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