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The Hurricane Guide Being An Attempt To Connect The Rotary Gale Or Revolving Storm With Atmospheric Waves.   By: (1804-1881)

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First Page:

THE

HURRICANE GUIDE:

BEING

AN ATTEMPT TO CONNECT THE

ROTATORY GALE OR REVOLVING STORM

WITH

ATMOSPHERIC WAVES.

INCLUDING INSTRUCTIONS FOR OBSERVING THE PHÆNOMENA OF THE WAVES AND STORMS;

WITH

PRACTICAL DIRECTIONS FOR AVOIDING THE CENTRES OF THE LATTER.

BY

WILLIAM RADCLIFF BIRT.

LONDON: JOHN MURRAY, ALBEMARLE STREET. PUBLISHER TO THE ADMIRALTY. 1850.

PRINTED BY W. CLOWES AND SONS, STAMFORD STREET.

PREFACE.

In introducing the following pages to the notice of the Public, it is the Author's wish to exhibit in as clear a light as our present researches on the subjects treated of will allow, the connexion between one of the most terrific phænomena with which our globe is visited, and a phænomenon which, although but little known, appears to be intimately connected with revolving storms. How far he has succeeded, either in this particular object or in endeavouring to render the essential phænomena of storms familiar to the seaman, is left for the Public to determine. Should any advantage be found to result from the study of the Atmospheric Waves, as explained and recommended in this little work, or the seaman be induced by its perusal to attend more closely to the observations of those instruments that are calculated to warn him of his danger, an object will be attained strikingly illustrative of the Baconian aphorism, "Knowledge is Power."

Bethnal Green , April 19, 1849.

CONTENTS.

PAGE

CHAP. I. PHÆNOMENA OF REVOLVING STORMS 7

" II. PHÆNOMENA OF ATMOSPHERIC WAVES 13

" III. OBSERVATIONS 18

SECT. I. Instruments 19

" II. Times of Observation 28

" III. Localities for Additional Observations 31

" IV. Storms, Hurricanes, and Typhoons 43

" V. Seasons for Extra Observations 48

" IV. PRACTICAL DIRECTIONS FOR AVOIDING THE CENTRES OF STORMS 52

NOTICE.

In the pocket accompanying this work are two rings of stiff cardboard, on which will be found all the information contained in figures 1 and 2. When they are laid flatly upon a chart, the continuity of the lines on the chart is not materially interfered with, while the idea of a body of air rotating in the direction indicated by the arrows is conspicuously presented to the mind. These rings are more particularly referred to on page 52.

THE

HURRICANE GUIDE.

CHAPTER I.

PHÆNOMENA OF REVOLVING STORMS.

It is the object of the following pages to exhibit, so far as observation may enable us, and in as brief a manner as possible, the connexion, if any, that exists between those terrific meteorological phænomena known as "revolving storms," and those more extensive and occult but not less important phænomena, "atmospheric waves."

To the great body of our seamen, whether in her Majesty's or the mercantile service, the subject can present none other than the most interesting features. The laws that govern the transmission of large bodies of air from one part of the oceanic surface to another, either in a state of rapid rotation or presenting a more or less rectilineal direction, must at all times form an important matter of inquiry, and bear very materially on the successful prosecution of the occupation of the voyager.

In order to place the subjects above alluded to in such a point of view that the connexion between them may be readily seen, it will be important to notice the principal phænomena presented by each. Without going over the ground so well occupied by those able writers on the subject of storms Redfield, Reid, Piddington, and Thom it will be quite sufficient for our present purpose simply to notice the essential phænomena of revolving storms as manifested by the barometer and vane... Continue reading book >>




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