American practical navigator: an epitome of navigation and nautical astronomy (1914)
Bowditch, Nathaniel, 1773-1838, United States. Navy Dept. Bureau of Equipment, Logan, George Wood, 1868-1915 · Washington, Govt. Print. Off. · leaf 225
tsunrise or sunset. When it is possible to observe this bar, the changes in its positionat intervals of a few hours will enable the observer to determine the direction ofmovement of the storm. 481. Character of Tropical Cyclonic Storms.—Within the tropics thestorm area is small, the region covered… … Fig. 73. CYCLONIC STORMS. 219 10 for this distance amounted to 2 inches. In the typhoons of the North Pacific Oceangradients of one inch in 60 miles are not infrequent. The successive isobars arealmost circular. As a consequence of this distribution of pressure the winds on theslopes of the…
Navigation · Nautical astronomy
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