Governor Reid on the Winds, ^c. 193 



and atmospheric moisture, are indications of the approach of 

 a progressive revolving wind. 



The first half of a revolving gale, is a fair wind from Ber- 

 muda to New York, because in it the wind blows from the 

 east; but the last half is a fair wind from New York to Ber- 

 muda. During the winter season, most of the gales which 

 pass along the coast of North America are revolving gales. 

 Vessels from Bermuda bound to New York, should put to 

 sea when the north-west wind, which is the conclusion of a 

 passing gale, is becoming moderate, and the barometer is ris- 

 ing to its usual level. The probability is, more particularly 

 in the winter season, that, after a short calm, the next suc- 

 ceeding wind will be easterly , the first part of a fresh revolv- 

 ing wind coming up from the south-west quarter. 



A ship at Bermuda bound to New York or the Chesapeake, 

 might sail whilst the wind is still west, and blowing hard, pro- 

 vided the barometer indicate that this west wind is owing to 

 a revolving gale, which will veer to the northward. But as 

 the usual track which gales follow in this hemisphere is 

 northerly or north-easterly, such a ship should be steered to 

 the southward. As the wind at west veers towards north- 

 west and north, the vessel would come up, and at last make 

 a course to the westward, ready to take advantage of the east 

 wind at the setting in of the next revolving gale. 



A vessel at New York and bound to Bermuda, at the time 

 when a revolving wind is passing along the North American 

 coast, should not wait in port for the westerly wind, but sail 

 as soon as the first portion of the gale has passed by, and 

 the NE. wind is veering towards north ; provided it should 

 not blow too hard. For the north wind will veer to the west- 

 ward, and become every hour fairer for the voyage to Ber- 

 muda. 



A great number of gales pass along the coast of North 

 America, following nearly similar tracks, and in the winter 

 season make the voyages between Bermuda and Halifax very 

 boisterous. These gales, by revolving as extended whirl- 

 winds, give a northerly wind along the shore of the Ameri- 

 can Continent, and a southerly wind on the whirlwind's op- 



VOL. XLI. NO. LXXXI. — JULY 1846. N 



