The Philosophy of the Weather. And a Guide to Its ChangesButler, T. B. (Thomas Belden)
Science
The Philosophy of the Weather. And a Guide to Its Changes
Butler, T. B. (Thomas Belden)
Weather; Weather forecasting
"I have," he says, "long held the proper inquiry to be, _what are
storms_? and not, _how are storms produced_? as has been well
expressed by another. It is only when the former of these inquiries
has been solved that we can enter advantageously upon the latter."
The former does not seem to be yet solved, or the solution of the latter
commenced. Mr. Redfield tells us (page 259, and onward), that there is an
extended stratum of stratus-cloud, which overlies the storm, and that it
does not differ greatly from one mile in height. We are not told how the
air, which finds its way to a higher elevation during several days
continuance of such a storm, _gets through the stratum_. If he is right it
_must_ do so, and it would not answer to _suppose_ a very small opening or
gentle current through it, to carry off all the air which works inward in
a hurricane, during several days continuance. But he does not seem to
recognize either the necessity or existence of any _vent_ at all; nor is
there any; and this fact is open to the observation of every school-boy in
the country; and it is equally open to his observation that _when and
where the barometer is most depressed, the stratus storm-cloud is nearest
the earth_. Colonel Reid has much to say about the "_storm's eye_," or
"treacherous center" of a storm. A careful analysis of the instances where
the "storm's eye" is noticed will show that the term is applied, in the
northern hemisphere, to that lighting up in the W. or N. W., which is the
commencement of the clearing-off process, and attended with a shift of
wind to the fair-weather quarter: _i. e._, to W. or N. W. Just such an
"eye" as is seen when the last of the storm cloud has passed so far to the
east as to admit the rays of the sun under the western or north-western
edge of it. The same kind of "storm's eye" is described in the southern
hemisphere, except that the wind shifts to S. W. instead of N. W., that
being the clearing-off wind there. No instance of a "_storm's eye_" in
the center of the extended stratum of stratus-cloud, which overlies the
storm, can be found recorded, to my knowledge; and it is obvious that
Colonel Reid adopts the view of Mr. Redfield, that the westerly and N. W.
_fair weather_ winds are a part of the storm. So long as these gentlemen
hold to that opinion they will never solve the question, "_what are
storms?_" or reach the other, "_how are storms produced?_"
Public-domain text, read in full here on John Shaqi.
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