The Coolidge examiner., 1934-07-13
Expert Blames Drouth on
Pressure at Sea.

q
mean temperature IN the Uniicd
States over the ten-year period
from 1921 20 1900 need not cause
fear the weather viii continae 10
grow progressively warmer. it VAS
stated By Dr. Gririh Taylor. pro
fessor % geography a. the Un.Ter-
slty of Chicago. Temperatures
tend 20 follow q cycle. Doctor Tay-
lor pointed out. and In a survey %
the succeeding ten years the mean
mas b. lower.
As generality uuduiy warm
years a dryness to temperate
roncs. while cool years produce
abundaui rainfall. Doctor Taylor
said There Is no correlation 30
definite. however. which can result
IN an accurate prediction q the
amount ~ rain that wiIi fan 80 a
gwen period
Forecasts stiii Puzzle.
"Me,eurologlsis DO not know
themselves hUw 20 accurately make
lang range forecasts on heat and
rain spells Doctor Taylor de.
clared. "nnd the best we can DO ls
piece together various factors we
have considered IN The past and
try 70 correiaic them
Doctor Taylor advanced a theory
as 70 one % the causes of the pro
longei drouih which has held the
American mldconilneni ia It's grip
since April l. This theory Is based
on high pressure area In the Al
lantic area.
This ARIA Is approximately 100
miles wide and so miles long and
lies midway between the Azores
and bermuda. It's normal barr.
metric pressure Is high. about 3o2
inches The normal baromciic
pressure Ia Chicago and the Middle
West Is 2al3 inches
The high pressure area has be
come more vigorous recently"
Docior Taylor stated. ''and this In
crease IN haromeiic pressure tends
20 cause Disturbances These dis
turbances. apparently. have been 20
the southwest and southeast ~ the
area while period Of sfagnaiiou
has st In 10 most of the North
American continent"
The sfuEnaiion has stopped the
tddles. or cyclonic storms. which
produce rainfall. Doctor Taylor
said The sfagnation Is best visual
ixed By a study of haromeiic pres.
sure throughout the country. when
there are material diYerentlnis In
barometlc pressure rain results
from the meeting of high aud low
pressure areas During the period
Of the drouth. however. the differ
entails have been slight.
The possibility that the drouth
may Be reflected by unusual wealth
er activity In other regions OF the
world was considered by Doctor
Taylor. Just what this activity may
be cannot be foretold. he said. but
a relationship with the present con.
ditIon In this country may be es-
tablished In the future.
IT Is curious the way changes
IN one part of the world may be
repeated AZ a six.year interval Ia
another part Doctor Taylor said.
~bui the correlatlons Is a difficult
thing.
Finds Inverse Relationshlp.
"One instance of an inverse re.
lationship existing at the same time
was noted by Mossman. a mete-
orologisi. some years ago. lie dis
covered-io a high degree OF ac-
caracy-thai when the Nile Goods
were at their peak the water was
low In the Antarctic region. The
reverse also held-when the water
was high around the South pole
the Nile subsidized"
At present the cyclonic storms.
which should visit the Middle West
three or four times a month. have
failed TO obey their laws" Doctor
Taylor stated The storms are not
moving In their tracks. he said.
Statistics made public by the
Smithsonian institution az Wash
ingfob disclosed that AZ Il govern
ment weather stations throughout
the country the mean temperature
for the period from 1901 TO 1890
was from 3 Of degree TO Is de-
grees higher than the mean for all