The Key West citizen. [volume] (Key West, Fla.) 1879-current, 1926-08-11
METEOROLOGICAL
NOTES ISSUED BY
WEATHER BUREAU
GIVES DETAILED ACCOUNT
OF OBSERVATIONS CON
QUOTED DURING MONTH OF
JULY

exactly normal. Under the in
fIuence of tropical disturbance
which was first reported on the
22nd as being about 100 miles
east Of the island Of Martinique,
w. l., the lowest pressure of the
month, 29.78 inches, was recorded
on the 9th when the storm was
central off The southeast Florida
coast. An area of high pressure
that moved in over the Dakotas
on the 18th, settled over the South
Allan ic States and on the goth,
the highest barometer reading,
30.14 was observed.
The mean temperature for the
month was 3 of degree below
normal. The highest, 90 degrees
on the 14th occurred with south
yess wind. One of the peculiar
tiles of this station is the maxi
mum extremes of temperatures
nearly always occur with a south
or a southwest wind of light We
I0city. The lowest, II degrees
occurred during a thunderstorm
on the End. On this day also, the
greatest daily range, 90 degrees,
was recorded. During the month
80 degrees or above was reported
on II days.
The average hourly wind We
locity was 80 miles. On the 18th
sc mile wind blew from the
Ncrth for 5 consecutive minutes
during thunderstorm. This was
the highest velocity for the month,
notwi hstanding the tropical dis
turbance of the 22-28. On the
27th the wind reached SIS miles
per hour from the Northwest.
The prevailing direction was
Southeast, as usual.
OF the possible amount of sun
shine, 70 per cent occurred.
There were 10 clear, 8 overcast
and ID partly cloudy days, this
month.
The total precipitation, 5.6S
inches was 200 inches above the
+ normal. OF this amount 1.5d
inches occurred within a period of
one hour on the End. During this
rainfall, in Is minutes, 1.04 inches
was recorded. Excessive precipi.
tation occurred also on the 18th,
18th and the 10th.
On the 18th, during a thunder
storm between z and 3 p. NJ. there
occurred meteorological phenom-
ena without precedent at this sta.
tion insofar as the records what
cover period Of Sc years, are
concerned. There was fall oil
hah from 7:t8 p. m. to 7:20 p. M
The Thunderstorm advanced from
The northeast and was probably
formed by strong conventional ae-
ton over the land areas of the
larger island lying in that direc.
ton. II was more pronounced in
character than the usual thunder.
sorm which, i'm this locality, is or.
dinarily of a mild or moderate
type, and was attended by strong
squat of sc miles an hour from
the N. f, and N. which lasted
about 20 minutes and heavy rain
from 7:10 to 7:40. Temperature
abruptly fell from 81 to II de.
grees. The hailslones ranged ii
size from a small pea to half-an.
inch in diameter, were somewhat
milky or translucent as Go trans.
pareney, and rather scattering in
numbers. While no damage re,
suited, this phenomena caused
deep interest and wide comment
inasmnch as comparatively few
people in Key West had ever wit.
messed similar occurrences
There is authentic information Ia
the effect that hal fell in Key
West in 1868 or 1869.
Other miscellaneous phenomena
were thunderstorms on is days
solar halos on 5 days and only
lunar halo.
The tropical storm was an un.
usual one, in that it was quite Sc
we're fer so early in the season
As was previously stated, it was
first reported on the 22nd moving
in northwesterly direction. II
kept this direction, passing Close
TO Nassau, Is. w. Il, during the
night Of the 25-26th. Because 81
is near proximity, northeast storm
warnings were ordered displayed
at Key West at 10 D. nj. on the
2tth. They were continually dis
played until ! p ~ of the 26tl
when they were ordered changed
20 hurricane Warming because ths
storm had changed to more
westnerthweSterly eeurxe. How
ever il soon resumed It's northwest
movement and swept up the Flor
ida coast, first stris ag tho coasi
between Jupiter Inles and Miami
On the 9th at 10 a IN. warming
we're changed to Northwest. Ii
this locality there vas no damag,
whatsoever, doubtless Cue to aaapl,
warnings given ont By the Blu
rean.
S. M. GOLDSMITH.
Observer, Temporarily IN Charge