New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1877-01-18
OCEAN MHTEOROLOGY.

| NAVY OBSERVATIONS OF TIE WEATHER.
| DETAILS or THE NEW system OF ExPEEMENTs-A
WORK PROMISING VALUABLE AID TO COMMERCE
AND NAvIGATION.
IRON AZ OCCASIONAL CORRESPONDENT OF TIE TRIBUNE
WASHINGTON, Jan. 16.--In TIE TRIBUNE
Of the 26h ui' meUn made o the M t""roi"gl'hi
observations that taken board OF OR ressrls or
war and If the use they risrt be put cxci-
rl.fied by the researches Lieut.. Many Few words
az to the OF the observations themselves should
bo aiyen Eyry vessel tue navy keeps log; he left
hand page OF each opening Is ruled Tor II hourly ooScr
ya,ion The character OF jLtse observations can De
nded froA the deGs Given below. which are after
yard recorded on calris On thu g&baJE, tie mdslip
man Of the watch taxes AMI r"ror's the hourly obserVa
At the END OF every icr hours the lieutenant n the
watch examines The columns, Sui ion enters ~ tie Tt
marks such particulars wind and weather he deems
necessary The unu - cxami,d CTerj day nv 10th Cs
navigator ard commanding officer BY this rGrlcd
scrutiny the liability 90 error is reduced 10 minimum
Every six months the log is sen! 90 Ae Navy Depart
m"ur. where IL Is carefully slowed away until needed II
the photographic Olicc examination. Lieut.. Many
ceased work his pOt charts about 800 since the
log-1oyks have been accommodating, Cnth at pre.ent
'svec number are waiting examination. Some timc ago
CnlnrlniDrc Wymau iIylrrerdrhcr to the Bircln o.
N..i-aiiol, hogan thc present system OF dealing WIN
those log 1oos The work i performed entirely by ON
crrs tc navy, AND tie manner "f doin- II is is follow"
On McTCatOrS pt'Jr'tcp t-e VINO" 't''h e"-
face Of the Globe is divided into squ1re., Ike
those OF n chcss-boaTd. of five degrees Of lat.-
udc by five degrees Of longitude. from these Eni.-
bcgri sacarc. the pro pared The actual path Of
the hip h"i first plotted "hd dac care being taken 10
exclude al inaccuracies The zine when tie zip was ~
each oc,li'T Is carefully noted On he rt'" IN she
chart Then for t1is period the observations arc
extracted on the BLANKS ~ follows: TIE number
OF hours tie winJ blew fI1m each point If the
compass with its force; the wa vImnm, minimum aud
mean ~ tie n.rc,il fon. cI 81 tlc i.y huh, 81 the
wet bulb, ana 81 e." w't"r a. The surface HE dauy
range 81 the barometer and thermometer; the sci and
velocity Of currents, magnetic yarilii1n number oi
hour ~ equally weather. Vl force ot squalls; number
a hours OF r a of fo Of ;al> % c-. Of li,h variable
winds oi thunder ant iieluhc; Hnl in ease of
re-, and cyclone, tie successive shniuSs OF IN" Wind.
win or,e ADD dur,toH from lcb po'1 Ji tn .or-
rraponGirg range OF the barometer; finally, among IN"
romafs on ca" blank. phi noted. Win,
details ~ VIM AMI weather; tile rips; taco.oicd
water SEA weed: ieoHer.s; Longitude II crossing tie
.iuc atii;ilr AMI loa l4 OF cn.cri- or ltvn,
slant wiEo the trades, mpnSo'n'. &c; durlo',
geographical lui nnd eharic rs of ale cyclones.
aghi'9i ih' Sl.i IA. IHi-tn Oh Ire .',H 49,
sure that prcccdr. acr"Il'"nJ az f"t me ',''H'> e"
t. ,,iid and ID, distance from shore HE iGd "nt sea
hrrezeS arr lc tnri a,f'"- u, ad Ii"c7 {" sttiH- m
OF c1ugse vner number u vessels cross "Ye' par q"
"a squire IN al Inc mrutts oi the year, ths met. oro ca
phenomena -, thr squire Will he Known Win Mi"A c.
out The navigator VIII have before him The ware X
pcricrce of a great many, presented ~ an lncIuEhl'
aud attrio nrL, fOr bis guIldnU'. When AL ne OF
servations Ia Ills ycl relating to ia. Uait 81 IN
ocean above specified ar complied on IN. bS 'h,Sr
blanks VIII he grouped according 10 squares ana sef'-
| rated MO months
appear On hc charts, ~ firS; Inc percentage Wlnus
each u The y points al the compass. Second: Inc
percentage oi CalmH Third: The charts VIII br tinted
80 a. 10 present clearly 10 the eye WchEOWn
phcnouiru,. Fourth; \ barOmcirc culSe along every
tenth meridian oi longitude HIl be prc,C tcd ghcA
will snow the gradual ar fll On every parallel oi ti
tude 20 from tbs equator toward the pole fith
In u liable nj the aldc o. tacn monthly chart VIII be gwen
tie limits ul tie trades ana other constant WINGS Tor maj
month alsl. particulars Of land and hrtZS aud
information regarding peculiarly stormy regions Of the
SIKH: Similar in:ofm alton, coupled from log
books Will b. gwen Tor each moath FOR 1r prlGcDal
| uurt- within TIE scope 0f thc char.
Thcsc continuous records ~ passages will uuvail pne-
noncnl that would be maskCd In the monthly charts on
| the plnn ~ sqnarc' The whole SURFACE ~ the
charts that Is twelve tie system Of squares and lor
track cnaIi,. when pruH VIII be bound IN large iOi!o
book style Mt fuf OF course q Is desirable
to have az large a corps observer. possible proyid-
| navy, and io"-yery few, In.cod, al the merchant
marine the only that supply lOgbOOks MelrorO-
logical Journals have been prepared 10 the hlhrrgraphe
Office Ion siC 10 merchant vessels; thc} VIII De sent
free captain applying for them In person or by
icicI addressed To tue 1ydr0gaphrr tn" only condition
briIz that when flied with observations, they be re-
| turned. -
IL intended that this work shall he continuous. When
all the observations nt be- obtained up 10 the irSt
OF January. 1877, complied, the charts will bc pub
lshcd for all plrs ~ IA. Maternal VIII sli con
worked here At intervals, ot nNB or ten
years, the Information viii he added To that already
CXtaut such improvement, ~ experience may suggest
will he made and then the charts VIII he revised and
| published. Thus, every sGcrcSsive edition Of the
charts viii b. closer approximation To the truth a
more accurate hi -rur Of the great ocean.