, 1875-04-23
THE ARCTIC WAVE.


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~ :, ,,,,, ~" AuA ~ A.. 49, Aooat H.
1o IT, ne ta.or q sne a.; Dgam ~ r., ofmest":
INC tt,gotnao VINO o. 'ao past week has at
tlactoo genera! at.enn' aau saa Htattcq tho in
1a1Ey. "has II 1he @ eauso o! ~ sinee thero - a
ues!te 70 KNOW WILL ~ 'sf ~ pFAe'lcable crafty
'na1 -, oosl;o' a;t ,-,aaa -. ,,.. at
IAo eoln aii aha "aod n..ia oi iast week has bccn
,s' ,maYo' tor II q occnm'nG = conventional term
netc ,, 70 ,s.oast ea.t , ~ @1a'aF pnenomcna by
tstAi 1ndsinsto name. enser u protest
applsine tne n1H wave 70 aucl pho
homsna, eeoauso tnelo 10 n9s9tns in eth
!! term appropriate: In no senso ~ !. wave but
u y dssehargo 1lom ~ ~ immense NJ atmospheric
cyl'naet. WIN partel ooo or Goy miles III diano-
sei' Gown Wh!enl noMs an seilal maelBsrom from
n,1 o saftaeo zee oi tne nsmosnneses iAh Il not
ton, Eson II observation had failed to ostab-
ilsh IL ihero 10 such ah overwhelming array of
aacts T. TINT A. m.kos Ito Inference unAvo'dablo.
Ihero Ia the iscs ilrnt observed W our Sigma!
tenua.ed clrIi, ioat from ~ points Of the com.
pass toward tue central point 81 Al nFes covered
ny high barometer. Thcn there Ii the un0e-
nlhDlo faet that from all kaes o. al ares Of high
barometer thcre Is an out-oloHlng Wind.
:, Iot Instance SUPPOSE We sake for illustration
tho hSh barometer that rested 1or several days
upon tho platna OF Dakota and Nebraska, and
TINT aHccted M ns 80 nnpieasantly during last
weok. AT Ut. Louls tho wind was northwest ;
nt Chicago, wost At Duluth, south OF west At
pcmbIna, Bouth-southwcst; at Yaukton, south !;
at Virginia CttJ. southeast; at North F1ntte,
cast; at Denver, northeast; at Fort 0ibson,
north al thoao winds Show q rRttlasing point III
Ecbraaka- wloEo tho cent1o of tho ligh batoue-
ter rested. flowing out on all saea. Now,
whence came the supply OF air that fed or BIS
talned for thrco consecutive daya this
outflow. not Of o gentle breeze. but in
gales that had = velocity Of 40 10 81
miles poI hour The tact that Tho wind flowed
out on all sides pfecluaos the idea Of the supply
entering literally. Whence, then, camo tho
supply. oxccpt from tho zenith 2 1Ienco tho
supply camo from the surface Of Tue atmosphere.
slnkng INTO tho aerial ocean analogous to groat
But tho down-pour Of such al immense stream
OF air upon tho surface Of tho Garth ncceasi-
tatcs tho uprising OF On equivalent column.
Where waa 49, thls uprising column located?
Mneret Nhy, IN tho centre Of tue nearest area
South, for the permanent Pacific and the pcrma.
nent Atlantic high barouotors wero then shaking
hands ACROSS the continent north Of tue Tropic OF
Cancer, and tho tranRlent and wandering high
barometer In Nebraska WAS Oh his wny to join
tho Atlantic high barometer, boipR attracted by
It. It's courBe wha from north-northwcst to
soutEl-southoaat- Ia, normal consequently
it's conrae WAS qpinnuepccd by my lateral low
GAfOG13kqfs WHICH. II QD0 had cI$Etfkl would hhEA
doyiated ii by ropuislon from tic por1ual direc.
ton. uot,ce, tho only possible location for tic
feeding low barometer was in its rear. 1t orig
inatod down tho Valley of Mackenzio:s River,
probably In tho Polar t3ca consequently liz
This is no hypothesis but M actual fact, catab-
flBhel bv direct observation, for both terrestrial
poles arc constantly under q low bar
ometer, whose annual average Ia but
fraction over 29.3 inches. Now under
every low baro1uoter there Is an unWhir1inr yor-
te1 Of air which, when concentrated to q focus,
la cIothn1 in a yjsjhfo form al in tI,a vhirluInI
watcrapout, tornado, ctc, Tho asmosrhcric
column 60 upleayed flows into tho tnaclstrom
vortex Of tho nearest high barometer. surprising
it with that fsigoritlc air, whoyo penetrating
cold NO llayo oxpericnced during tue latter taft
Of tho last wock, Since hird oud a low bar-
omotor, beinx parallel electric currents flowing
ia oppositp directions aud obcyinc tho Law OF
y,,cli curroatH, mutually ropeI cach other, thore-
forc tiIe wanderinr lich bnrou1ctnr was