Show alad toran AD 0 FR 41 4 t V N 1 it Z I 1 AN I 1 A itt 11 X L what an land looks lial plied by the th national BMW su clety washington D cl a INDIAN INMAN hurricanes W W are not dew factors in the life lite of the caribbean lu in the season that I 1 is peculiarly their own there ore are hurricane gromny months non llis jut juit ni as there are torn growing months they hale laly been blow ing up from front the cult of mexico the caribbean sea end and the tropical atlantic those bodies 0 of nater and the american continents have existed a matter of lime hundreds of thousands 0 of yem the first aib sub on record devastated dens toted parts of cubi in hut but only a mil rela chely few of these ciany potential desi actually work their destruction st on oil land and eien feer reach tile territory errit ory of the untied latea liese de winds inre are cor lined almost tt holly llly to a period of three of the late summer and early autumn thus hey they leate tie tile et in lies iles floridi and the tile oilier other gulf states free from danger during lie the lam autumn the entire winter and alid the early spring when lien tillit aria arta at tracts its greatest crowd of visitors the bunn seji eastward ensti ard and slid southeastward of the gulf cult of ilex jeo are the of the tile bur they are lie the creatures of pressure Ires sure and teni tern pe and ticie e tilo factors are varied by the sun un be biting down do 11 on he the expanses of atlantic vater a er abild the land fund miss of f our juull co U nent swirling winds of great speed the tile abener in the tile pith ot of a hurricane laii tan vianny believe that thee there destructive destruct he eliida are ciril iris he ile sees lie the effeil of and feels a straight mast blast or of air moving at great pal slips trees and buildings if tip lie watches long enough he allt eee see this tills da tive alist almost reverse its direct lin ailiese finds are created by the lie pumping force forca I 1 of the central si swirl rl and 1 ualle I lite die the i biter ca I 1 ter luelf amny ma y be arning across lie 0 ss auntry country ou ot a I 1 th alie e leisurely el surely rate of eight or te ten a in miles ea an tin hour hie the winds bishing inward from all dl di erections lons ions to up the spout reach terrina ter rifle speed the usail sliced speed Is miles an hour the fuel fact hut the hurricane at ban juan cleo a few bears ago blew at a rate of 1 arp and perhaps aw miles nn an hour tan ps if Is storm as of extraordinary di at violence n y one of the tile most striking facts in regard to lest filan hurri canes Is the marked concentration of the leolly dt ones alth in 12 a few weeks of each year A study of tle tile autric ines that tho hid fild h id occurred since 1887 was wai mide mie d by the united moles teather bureau a few beirs ago and it nas found that in this long period not one 1 storm of known im flu rienne intensity had visited the lies esl indies and aul lull regions during lie tile months from december to 0 A moy I 1 BY inclusive two tuo other month can practically be eliminated member november 1 I ith only two wo hurricanes la in nearly tony to rt y year yeats and june bid six 61 I 1 hot all of the few november No ember and june storms reach american territory terri torl july itself Is rather a poor bur rime month less ie 8 thin a dozen july hurricanes have h ove 8 been recorded in the last ins I 1 forty years tears and only part of them reached shore real hurricane hUrr icrine season starts the in august reaches iti its peak in bep and ends during october one oct reassuring fact is that when abe the ile hurricane 1108 leibson 0 n 1 I at its eight lie the greatest tho the norms fulls falls to reach percentage the of ewt or atlantic toasts many story back cune cone into the ocean even as far fir cast east as he the bermudas Ber mudis their origin and coune course between july and october ot of every year from froin six alx lx to ten hurri canes are bom born somewhere sonne here between florida and africa africo usually to tweel alln northward and filially finally back their formans forkla putty accurate parabolic curves the tor in tile primary fac file career of ase lose Is 13 believed belle sed to be an art area of storing high atmospheric ires sure or high that exists kally call I 1 y per 1 permanently I n III over the tile atlantic Atla title berth north of hie the troi io in other worda words a great blan kit of heavy henty sluggish nr air lies iles ally over this tills area con along its 10 southern air edge la in the he tropic ir W heated rising cause causes little swirling which are the 0 ot seed possible 11 anca rui but there li I 1 certain infant want these especially mortality in winter and naring then the atlantic high extends in a brood broad band on into the he north Ame american contI continent forming in effect a mil aill of heavy ar air which the cannot pass to the lie ples they are without aushif using the untied united stales slates any concern hut but ben the he heat of cummer summer lius ling warmed up the land tle the high to tte its ocean home jutting out like arn m air peninsula toward america the atmosphere the land become en oil arena orena for shifting highs and doffs it t it I 1 as though an atmospheric football gune gime were ere in progress the new ly horn of hie the tropical atlantic regions seek because of lie file general drift of the atmosphere to nive move northward the highs high SO whether stall onory or in motion burnist the interference which they fiust l ml doge 71 tie e weakest place it U the defense Is be between teen the prin anoil mid atlantic I 1 high and the he american coast A great many tropical hurricanes hire fure move east enst to avoid the nildo nil dosan tean barrier and lien diesh well tell cist eist of the coast contla causing no dam age on land borne home of the torim do not me hiie such plain sailing if the lite atlantic high extents f arther nc westward stward than usual the disturbances ances must swing suing oer the land to round lie the end it IJ 13 upon such amther infrequent occasions that the atlantic land unit coast coasts suffer some sweep into the gulf ity BY a till still further westward extension of it the lie bigl pre pressure sure area lie storms are prevented tiled from moving birth and weep sweep into be the gulf cliff of it nna such con dill thai that brought about the terribly destructive galveston Oal Col veston hurri cane in lit heli and that which cost cort many lives at corpus christi in bep september 1911 the Gali fliemon ul ieMon eston turned cort hward pissing through texas and ofir oklahoma and finally passed to the lite atlantic donn the st I 1 In wreDe ial ailey file corpus Cli ristI hurricane homeer ho weier belon belonged gad to the rare type with an mth A chain of Jil highs glis formed f ornies an barrier to the north and the storm moved on into mexico merico where there it was finally dissipated among tie mountains quite dIt different terent from hurricanes are tire lie tornadoes thit wit th it cm cut narrow swaths from time to time in the interior of he the united St states Atell the favorite I 1 aunt of tort fiddes la in the lie unit unald I 1 includes lie gt jeff of tie iner toiler mississippi vall ind and the eastern portion of he the acront real plains stales toles aluth to the west rest ai d east their occurrences are few felver tornadoes are local tornadoes Torna dots are serl st rl local storms bred usually hy by uirt pod land humid weal tier jer they strike t often in fit the lie aftem afternoon oon soil 1 a always tal a pith from i west to northeast 1 I his its direction 0 in the united results few the he fact that low drift across th the a eastern part of the almost always from troll ruth west e st to northeast and that atiq tri a secondary condary ne attached to the lowi takes he the verc direction tj taci lan aar idly swirling column of air Is the genrl of the tornado Is usually mard by 0 infiel 1 slin Eli aped fled ciok blak cloud i ts cupor this tharl ing mass acks air from III sides to ril lt lower end lend and then upward even heavy objects ny fly forrd the tile column ai As du particles particle und ond blis of paper fly ly into the throat of a vacuum ceaner ct aner alost most 0 the of torn Jes 14 traceable ceable to to their reduction of air pressure pressures wh when ell their centers pass over ovir or by an area orn I 1 1 he lit pres dres ture be being ing suddenly denly reduced outside a bulmon tile air inside it expAnd li and pushes the alls ous doull or pr the roof roots 1101 dInza really explode because of the ff pf unal amounts arn nuo fo for moment to the air compressed some tillIN tornado cloude skipping in k P P 1 n R or bouncing alona work CO go in p 5 a V ft here the a end touches the ground and leaving everything uninjured where mere the end eni lifts A dIt distinction must bp made be M een the tile velocity ut lie 1110 air into the funnel and he e speed of the be funnel I 1 itself moving over the val earth it has a abeen been pointed out ahm that fl the he torn furrier er telo velocity vel octy elty dose to bullet funnel may be it that I 1 at of a rifle the funnel funne I 1 itself however ldora motes moves more rapidly than 30 or 40 fiille iles no an hour I 1 |