Climatological Data, Porto Rico Section

Climatological Data, Porto Rico Section

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1910 edition. Excerpt: ...experienced from 24 to 48 hours in advance of the storm proper. The following paragraphs from Eliot's excellent " Handbook of Cyclonic Storms in the Hay of Bengal " concerning the relation between squalls and cyclones, while based upon a study of that particular area, are quite as applicable to hurricanes of the North Atlantic and typhoons of the Pacific: "It should be kept carefully in view by mariners of the Bay of Bengal that the formation of a cyclonic storm is a gradual process, and that it is only when the disturbance has passed beyond the initial stages that it becomes a storm in the proper sense of the word. The formation of a large storm is due to the prolonged continuance of actions, processes and changes of the same kind as those that are occurring in the atmosphere at all times when rain is falling and strongish humid winds are blowing. Whatever the causes and origin of cyclones may be, the history of all cyclones in the Bay of Bengal shows that they are invariably preceded for longer or shorter periods by unsettled, squally weather, and that during this period the air over a considerable portion of the Bay is gradually given a rapid rotary motion about a definite center. During the preliminary period of change from slightly unsettled and threatening weather to the formation of a storm, more or less dangerous to shipping, one of the most important and striking points is the increase in the number and strength of the squalls, which are an invariable feature in cyclonic storms from the very earliest stages. First of all, the squalls are comparatively light and are separated by longish intervals of fine weather and light variable or steady winds, according to the time of year. They become more frequent and come down more...
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Product details

  • Paperback | 110 pages
  • 189 x 246 x 6mm | 213g
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 123655244X
  • 9781236552440