The Andes of southern Peru, geographical reconnaissance along the seventy-third meridian . May Clear Scale of Cloudiness Completely-Overcast Fig. 105—Monthly cloudiness of Santa Lucia from January to July, 1914. Meancloudiness for the whole period is also shown. between the comparatively high temperatures of midday and thesudden tempests accompanied by rain or hail that follow thestrong convectional movements dependent upon rapid and unequalheating. The furious winds drive the particles of hail like is sometimes impossible to face them and the pack train must
The Andes of southern Peru, geographical reconnaissance along the seventy-third meridian . May Clear Scale of Cloudiness Completely-Overcast Fig. 105—Monthly cloudiness of Santa Lucia from January to July, 1914. Meancloudiness for the whole period is also shown. between the comparatively high temperatures of midday and thesudden tempests accompanied by rain or hail that follow thestrong convectional movements dependent upon rapid and unequalheating. The furious winds drive the particles of hail like is sometimes impossible to face them and the pack train must 170 THE ANDES OF SOUTHERN PERU be halted until the storm has passed. Frequently they leave theground white with hailstones. We encountered one after anotherof these tempestades on the divide between Lambrama andAntabamba in 1911. They are among the most impetuous littlestorms I have ever experienced. The longest of them raged onthe divide from two-oclock until dark, though in the valleys thesun was shining. Fortunately, in this latitude they do not turninto heavy snowstorms as in the Cordille
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Keywords: ., bookauthorbo, bookcentury1900, bookdecade1910, booksubjectgeology
