The Climate of Chicago

The Climate of Chicago

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1893 edition. Excerpt: hour before was a dense cloud becomes reduced to a few filaments. Day after day, with the cumulus clouds traveling from the southwest, have I seen them standing about like giants over all the land and around the shores of the lake, while over the lake the sky was entirely free of cumulus clouds. June 23.--The rain commenced at 7.15 p. m. At 7.20 a hurricane sprang up from the northwest; this continued till 7.40, doing considerable damage to trees and houses. The rain during this time, combined with the spray presented very much the appearance of a snowstorm, so dense was it. At 7.45 p. m. the rain nearly ceased; the amount which had fallen between 7.15 and 7.45, as measured by the Signal Service rain gauge, was 1.93 inch. 118 8 July 14.--A brilliant aurora manifested itself a little before 11 p. m. The streamers and dark cloud beneath were exceptionally well defined. There was very little apparent lateral or perpendicular motion. The height of the highest part was about 50, and the height ofthe lowest extremities of the streamers about 20. It presented at 11 p. m., when brightest, very much the appearance of a curtain. July 15. The temperature rapidly rose till noon, when it marked 85; a northeast wind then sprang up, and at 4 p. m. the temperature had fallen to 73. During the time that this cooling process was going on, a severe storm kept moving along the southern horizon. A slight shower occurred here. The storm evidently took place when the northeast wind which had sprung up at noon met the southwest wind which it was displacing. This cool Arctic current, as shown by the p. m. reports, came down over the whole Lake country simultaneously. This rapid cooling, from the north, produced great differences of temperature within very...
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Product details

  • Paperback | 36 pages
  • 189 x 246 x 2mm | 82g
  • United States
  • English
  • black & white illustrations
  • 1236833406
  • 9781236833402