The Hawaiian gazette. [volume] (Honolulu [Oahu, Hawaii]) 1865-1918, 1880-05-05
s.ea N. in me rn,,ea states.

Professor INomis has recently published
some results Of an elaborate critical study and
comparison 1t signal service observations and
weather maps carried On for loag periods 10
discover tie movements and progressive We
ieeitSes ef United States storms, Some et his
deductions are Of great interest, He finds thar
United States storms centre after crossing the
Rocky Moaasaias, move towards the southeast
until reaching the Mississippi hssia, when
they incline toward she lake region with ae-
CELEBRATED speed, The average velocity Of
American s,oSsas after crossing the MISSISSIPPI
ri, about twenty-five miles per hour. is sixty
per cent greater than that Of European
storms This Arpears pSrssioxieal when we
remember that IN kerope the westerly winds,
enobstraesei by any coast range like ihe
Rocky Mountains running north and south,
attain more rapid movement over the Con-
slNeHt than the sane winds eSn acquire in the
United States, RGt !; appears froya Professor
Lo0ziss examination that cur storms when
nearing the lakes, and subsequently,, are sub
SecIei 20 a powerful propulsion from the
waves ii high pressure which close in behind
Their, while in transit, and the rapid ;orrensisl
precipitation 81 rain in their front Quadrants
by which the air is greatly rsre6sd and a
hAro1eiric channel cleared for the free on
ward movement
In Europe it is very rarely that storm ad-
v4nces over thousand miles in a tisy. But in
this country such an occurrence is much more
frequent The s,orni-een,re Of January 4,
lSTT. travelled lisa miles in tweuty-fonr,
hours. and ,hA, Of the following week (Janu-
Sry l+-iTthl Travelled 1870 miles in twenty
four hours. The storms which have been
found 10 make their way al this terrific speed
across the United States occur On an average
about oaee in forty days,
But cue Of the most remarkable features of
these great hurricanes is their shalluwness.
The tremendous cyclone Of the last-named
date passed Mount Washington without dis
tUrhsuS It's summit, where the sisnal-service
Observers wind-vSne recorded steady wind
fron one quarter during the progress Of the
depression 5. its base. During one Of the
ferceS, "coi6 waves of high barometric
pressure. the Thermometer on the summit
(e.000 feet highs showed higher tempera-
tcre than that prevailing 81 the base, clearly
Indicating that the Arctic wave was not Geep
enough 10 cover the mountain. These and
similar illustrations Of the vertical proper
tons Of both polar waves aud harometric de-
pressSonS 70 % prove that the chief agitation
of the ri&l 0csAn IS limited to its bottom strata.
leaving tine lottier regions Of the atmosphere
in uHdiSturbsd repose, save when the great
upper ourreat from the equatorial belt is in
the 2scsnG2rcy.
AS many II She great storms which sweep
over the United States are under the control
q 'i1ToaaelEJc prcssures lying outside of our
national territory, Professor Loomis points
cut the necessity of extending the sisnalseEvice
observations TO extr@-terriIorial stations, not
only with view TO their complete elucida-
Fi0n, but also fer the practical purpose Of
weather Islesr2phy.