The sun. [volume] (New York [N.Y.]) 1833-1916, 1902-01-26
DUNN TELLS OF The BLIZZARD
JUST WHAT 1T IS. WHENCE 1T
COMES AND NOW 1T MOVES.
Fierce Wind. Cutting Snow n Intense
Cold Esrmarks OF the Most Dreaded
Of winter storms They start In Cam
ads IN sweep Over the United states.

move steadily on. Nothing, Il would seem,
could check this progress and paralysc
the power of man.
But In the frozen north there Ii often
at this season an awakening Of Old Boreas
from his slumbers. and then he sends forth
a blast that shrivels man and beast, de-
moralizcs industries. obstructs the traf1c
Of a continent and cuts of communication
with the outer world. 1t Is the blizzard. and
man is suddenly brought to realize It's
mighty power.
The blizzard, as defined. Is a fierce wind
accompanied by a fine. cutting, drifting
snow and intense cold. The term bliz-
gard was formerly associated only with
the winter conditions that usually prevail
In the Northwest, but Is now used to desig-
nate similar storms In the Eastern States.
In the districts OF the Southwest and
Texas such a storm IL known as q norther.
When there rs an absence Of now In these
last regions a fine, binding san takes
It's place. and in many localities the bliz-
Sard Is accompanied by both.
The force and destructive character OF
the blizzard are demonstrated In many Ways.
Only recently the entire country east OF
the Rocky Mountains and from Canada
to the Gulf OF Mexico vas brought within
the grasp Of this mighty monster from the
north, lives were lost on and and sea,
cattle persisted by the thousands on the
Western plains, rivers overlooked their
banks, railroads we're blocked, t~elegraphic
communication interrupted, and vaIua-
BILE gardens and fruit groves In the Sunny
South completely destroyed. South OF the
line Of Georgia there was no snow, but he
sweep of the high winds and cold was
equally disastrous to hat section.
Billiards find a birth place to thu north
Of the boundary line Of the United States,
The most severe and extensive enter the
country over Montana or North Dakota.
They occasionally come down over Min
nesota or the Great Lakes. The latter,
though they may be quite as severe as those
entering further 10 the westward, are
smaller In diameter, and they spread over
the Lake regions. Ohio Valley. Middle At
lantic and New England States only, while
those coming from over the former States,
az a general rule, spread over the entire
country east OF the Rocky Mountains.
They first move directly southwark,
and. strange TO say. while these storms OF
high winds and intense cold are the out
come Of the development and movement
Of areas of abnormally high pressure (where
the wind IL thrown on from the centre In
all directions, with a motion similar to the
movement Of the hands OF a watch their
full force IL not attained until the centres
are within the bounds Of the Northwest
states, where the most intense cold Of the
JOURNEY III TeRbtsItQ, una not l11TeJuentlN
touches from so to 90 degrees below zero.
This feature Is probably due to a more
rapid nocturnal radiation than takes place
further north.
The movement Of an area OF high pres
sure. with tho blizzard features attending,
depends more or less upon the cyclonio
or low pressure area preceding II relative
to it's intensity, position and movement.
The atmospheric waves making up all
storm movements follow one another.
like the waves Of the ocean. only on a more
gigantic scale. There may be anywhere
from one 70 five OF these atmospheric waves
traversing the country Mt the same time.
but OF different force and dimensions: each
struggling to secure IN equilibrium: those
OF the high waves endeavoring 10 all the
comparative vacuum Of the low areas. In
both instances they are propagated to
the eastward by the rotation OF the earth.
The existing low pressure, which forms
a vacuum or channel Of light air. oners an
inducement for the flow Of the heavier,
colder air toward its centre. Thus IL Will
be- seen that, the colder air from the high
pressure readily starts for the place Of
lowest pressure.
II il like rolling a ball down hill; the
sleeper the incline the faster the ball will
travel. The same with the wind; the
greater the depth 81 the low-pressure
entire the more rapid and greater will Toe
the volume 81 cold cir rushing to all II.
NV wv M 'AhA NAfA ~ hA'N w
the west, and finally TO III" south 81 hc
low pressure centre, and follow In its track
across the country The intensity Of
wind and cold h confined 20 the northern
OF northwestern ides ~ the low-pressure
or ~cyClonic centre
should a preceding oW-pressure cent ~
in the Lax" regions lie moving ward
the cold winds will prevail principally In
the Lak" regions and the northern part Of
the Atlantic States II tho low-pressure
area h. IN the central Mississippi Valley the
blizzard winds will sweep sputhward Into
the central. western and we'll into The q IA
.tu par q 'Ne Suu'h.rn States
TIE blizzard RACES With itz greatest fury,
however. So .s-ping The country from north
a. south aud from east 90 west ~hen the
low pf.-surr o-n'r" h. ou the west Cult
o,.-i ~" win blows from the north
nr frln IA, northwest with Yoluciti.s fai.A-
Ing from thirty 20 siHty mi,.- an huDT.
while thr t"tupsfAtul" Ia The Northwest
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