The evening times. [volume] (Washington, D.C.) 1895-1902, 1900-08-31
WEATHER FOR SEPTEMBER.
Monthly Statement by the Chief o
the Weather Bureau.

the Weather Bureau.
Willis L. Moore Chief of the United
States Weather Bureau has issued the fol-
lowing bulletin in regard to September
weather:
The following statements are based on
average weather conditions for September,
as determined by long series of observa-
tons. As the weather for any given Sep
TENDER does not conform strictly to the
average conditions. the statements cannot
be considered a. forecasts:
In the middle ATTITUDES of the Northern
Hemisphere the settled weather of sum
mer begins 10 give way to the more pro-
nounced weather types of autumn. Ia the
tropical regions of the oceans September
marks the height of the hurricane season.
Over the North Atlantic Ocean the great
perm anent high barometer area near the
Azores decreases in magnitude. and the
severer storms which advance from the
American continent or adjacent waters
pursue a more southeriy course than dur
ing August Storms of this class which
cross the Atlantic from the American to
the European coast average about two a.
encounteTing them along the trans-AtIan-
tic steamship routes is greater than during
the two preceding months. Fog is less
frequent over and near the banks of New
foundland than during August, and the
average southern limit of Arctic ice in the
North Atlantic is in about latitude north
Il degrees.
All parts OF the West Indies are subject
10 hurricane yisitdtiOn6 in September. The
t,1rr~.
somewhat more frequent in an area which
embraces Snnto Domingo, Haiti, and east
ern and central Cuba, where they average
about one IN three years. The smaller di
ameter OF the vortex Of a hurricane rem
ders it improbable that any locality in the
area referred ~ viii experience a hurri-
cane oftener than about once in fifteen
years The hurricanes of September some
times recurve north and northeast along
the Atlantic coast of the United States and
disappear over the Atlantic east OF New
toGddIand, and others pass westward over
the Gulf of Mexico The exceptionally de-
structive character OF many of these
storms should prompt all possible pro-
teetIVe measures in the lire eff their prob
Bile advance as indicated by the warnings
OF the Weather Bureau.
The tyrhoons of the Philippine Islands
and the China and Japan seas and coasts
usually .s1vance from the region east OF
the Philippine Islands, between the tenth
and twentieth parallels OF north latitude
move westward. their centres crossing the
Philippines north Of the fifteenth parallel
and in a majority of cases, TecuTve north
ard northeast near the China coast and
pass thence over or nsar the Japanese Isl
2nCs. A sI3all proportion of these storms
move westward over the China SEA, and
III rare Instances typhO1ns appear to oTIgi-
nate over the eastern part of the China
Sea. The severe typboons average about
one year In September. ToTrential rams
are OF almost daily occurrence in The Phil
ippina Islands in September
In the United States the most important
storms of September advance from the
West indies and the Gulf of Mexico to. the
Atlantic and Gulf coasts Storms OF this
class commonly possess great strength and
on an average Of about once in two year,
they ara destructive TO shipping and coast
industries Over the Great Lakes gales OF
marked strength occur on an average Of
about once month, in September. As the
month advances the rains which occur east
Of the Mississippi become general, rather
than local. in character. and attend the
passage OF wsI--marsed storms Septem-
5er is month Of heavy sub-tropical rains
IN the South Atlantic and East Gulf coast
districts and second maximum of rain
occurs il the Lake regions Except in the
lower Missouri Valley, on the north PaciHc
coest aud in areas in the Southwest the
rainfall vest OF the Mississippi is usually
very light in September and over great
parts Of the middle plateau region and Cal
lforniq no rain as a rule. falls in that
mouth, During thu last half OF September
killing 'rost IS likely 10 occur in the
Northwestern States End the Lake region.
and frost IS not uncommon. In the Ohio
Valley and Tennessee toward the close OF
September