The Norfolk Virginian. [volume] (Norfolk, Va.) 186?-189?, 1895-09-19
A New System of Warning Vessels
Adopted by the Weather Bureau.
OBSERVER GRAY EXPLAINS,
Mammoth Roci,ct. fo re DiSc,,nrmcd
" Night and Red Flags 10 he Dis
played During the Day Timc-Thc
Points From Which Display. VIII
he Made.

| late to III" matter Of hurrir.u,u "i
| II plan OF warning yrss,Is nf III. n,,
| prunch OF serious storms Ina. I,tniy
| been aduptcd hy thr H,rn,m .,,,5 IL,
soon be in use i'm this civ n,,d snr,i','
Observer GRAY. OF tho Inr,I mo hn,
| received u supply of mammoth, rnrlnt
which Will bu DISCHARGED from, sn,u,,
nearby point ON the eve, of apnrnnchIn,.
storms to warn vessels AGAINST v.nitir-
| ing out to sea These rockers yin H.,
| sent up at night time only in , bri,.h,
| of 400 feet. and will show :, lnrpr ,,L
| star. which viii fan slowly a. ,b.
| earth. Observer Gray is making ar
| ranrcmcntS to huN,. th,us. ,.n,It.ty 90.
off down the harhor. that an hn,ts. ,.,,,
plainly see them.
At the present time tho w.nth.r
! signals are DISPLAYED from FINN, ,,ui,,,s
| in this immediate, vicinity w ~,
Weather Bureau tn. Merritt Wrnrk
ing Compuny's yards i'm Atlantic ,,itv
TN" Office of the Portsmouth Star ANA
| the locks of IN. AIhrnn,i ,,,I 49,, 49,
arcakc Canal The rockets viii hr i'm
addition To tn" regular signals
This is the season for West Indian
| hurricanes ana an article, rrrnarnd IN,
the Weather Bureau and covering
| period uf ten years. gives some ynluu-
hi" Information concerning these great
dcstroycrs of commerce on tn. AtInnti.
Scahoard.
Ia the ten years the seven \yrsi In
| diHn hurricanes rccurVud on the nva,-
age in tn" longitude of the Florida p,-
hlnSnia The destructive storm at Sep
tember Ia. ISIS. ala not rvcurvr. but
| passed over cuba west ward To the Jny-
| lean coast. I'm 1894 SoptrIub.r ~ "a
IN" storm r"CurVcd. CAUSING serious lie
NasjatiOn along the Atlantic coast
tn" primary cause for rccurVin. or MOI
is In the existence OF non-oyi strur.. nt :,
high area over the EASTERN Atlantic
States. Tho - clunu follows i'm hnhinb
| tn" high. ana If this moves off Ia sn,,
opening a trough behind it, the hum j.
cen" moves n"rthward in the ordinary
track. II tn" high hangs persistruil,.
u! the region. the cyclone. is d.rrri. II
Tar To- the west before 1t can rrcurvo in
which case II is likely to show very dc.
StruCtiV" qualities on the west consi Of
IN" Gun of Mexico. If rain falls freely
before the hurricane comes 10 Inud -
! is likely To die out. il the dowlpo,Ir b.-
gins after reaching land il is. nrnhni,,.
| that "A long. vigorous nlurch is ..t no
| Tor" II.
There is much discussion in meteor
ol"Sicai circles about the exact cau,r Of
| IN" production of hurricanes i'm certain
| months only, and also regarding No
| mechanism of the whirliug nIOusiprs
! opinion not Yet having settled upul
| IN" complete theory regarding rhcsr
| points som" OF the facts may INV
| ever, t." reviewed ANA the most pnnn-
| plr form al the movement Of he wind,
| d"duc"d from them. At tho time ~ mo
| huIrican" season August to Oc,nh. r.
| INC lars" areas OF calm. Sultry and
| RAINY atmpsph"r" 'ullrd IN. inli"u,ns
| stretch from the west coast of Arrica
! near S"nreafbia. L. the north COAST of
| south America. near Guiana in the
! h"itheinmiuSt latituJ"s At IN" same
| season 81 the year the great Atlantic
| hiSh area. ON account OF the heating of
| the continent. seems To- have. Contrnct.d
| us boundaries and to y" confined To tho
| ocean, leaving as IL were channels; near
I'll" land, ana especially on the Amcri-
! can SIdo. After having once. sturtrd
| these hurricanes hang along the border
| oil the great ocean high. skirt lis snutb-
| tin edge. gradually turn north on thu.
! western side rcCuIN". and sun follow
| ing TIA" Outlin" of this proceed off Ia
| TIA" northeast ANA enter the regular
| mld-latituCc storm track Now thu. sig
| nliiCdnC" OF the calm belt of the dol
| drums and the adjacent high is That tb,.
air building up in the high as i, runs
| down. feeds the vortex or whirl thu,
| may have been started along it's rdp.
and thus continues To- supply 1t fn,
| III" many days thai thrs,. violent
| storms are observed to last
| som" students have claimed that I'M.
| tendency L. the moist warm duldruu
| air L. rise up is Che first cuus. of pro
| ducing thcS" cyclones put thor. is
one very difficult objection To ovorcom.
! before this view can be established
| AiI Will rise by CONVECTION only when
| the difference, of tcmpcratllr. Is cnusj:.
! crahl" between the rising column of ait.
ana IN" adjacent regions. vet in huIri-
| canes this difference Of teinp.ratnt,. is
| not observed
| Now. on examining the maps for the.