T H E “BOKHARA” TYPHOON. 8th-12th of October, 1892. MONG the more disastrous typhoons of the year 1892, there is one that caused so terrible a loss, that the blow with which it struck the minds of the residents of Shanghai and Hongkong will remain for a long time one of our most gloomy memorials. I need not say that I mean that terrible typhoon, which, originated on the 7th of October to the East of Luzon, passed on the 10th very near the South Cape of Formosa, and whilst crossing that island, wrecked in one might the Norwegian steamer Vormand, and the English mail Bokhara, with an enormous sacrifice of so many precious lives. Besides the interest which must attach to the history of that typhoon, on account of those disasters, the many lessons that may be derived therefrom, have induced me to take it as the subject of a lecture, to be delivered at a meeting of the S.M.S. I think it advisable to begin its history, with a short account. of the atmospherical state of our Eastern regions from the Northern Coast of China to Japan and Luzon, at the beginning of the typhoon. I will produce two tables, in which I shew the meteorological observations made on the mornings of the 7th and 8th of October, at 16 selected stations; and these tables are sufficient to perfectly serve the purpose. zº & 4442. AM. P.M. AM. A.4% ! / 37.72. z2 / 3 --> --> 2/ 1 // // /4, / 3 /4' /7 /3' A// P// | A/ // Aſ ºf /24/ | A * Zºº A/M A74, A, ºf Z 4, & ..?o 49 23.3% 2 7 ya .3% 23.73 — – 3. zz-Za-...e. - 224-22 ~...~222 22: A. 424.4%. , 2, 2. / 3. 4. 3- 6 z 32 ->-, e-º-, -º-, --> --> C- -º-, --> A/ P/ | AM. A/W A4% A/ | A / /24/ | A/ Z/ A/ A4. /* -*- Aſ ºf 23/ 8 is probable, it was formed at that date). The centre of the typhoon, if formed, must have been lying at that time over the China Sea by 14° N., about 1,000 miles from Shanghai. Hence the rise of the barometer at Shanghai at that date, if any, was surely the rise due to the anticyclonic area we are looking for, and of course the appearances shew that it was so. However, notwithstanding that first appearance, I venture to say, that such area was not in any way connected with the typhoon. The barometric curves above reported shew a rise of the barometer beginning first at Tientsin, and reaching its highest º; there on the 15th, subsequently the same rise reaching its highest reading at Shantung Cape, on 17th, at Shanghai on the 18th, and later on the same day, at Pagoda Anchorage. You will see it, at the same time, getting lighter, the more it extends towards the South. Then suppose it was an anticyclonic area depending on the existence and place of the typhoon, evidently it should have followed a Northward trajectory, as did the trajectory of the typhoon itself. Therefore as this area followed a contrary one and had originated far to the North, we must couclude that it was not in any way connected with the typhoon. The only connection between these two phenomena, was that this area of high pressure was prevented by the typhoon, from extending more towards the South. Let us therefore conclude that : lst—The assertion of an anticyclonic area all around the centre of a typhoon is unfounded. - 2nd—The assertion of an anticyclonic area preceding the typhoon so as to be felt at any place several days before the typhoon is also unfounded. - 3rd—That there is such anticyclonic area somewhere, ahead or in rear, in the right or in the left, we can neither affirm nor deny, according the present considerations. 4th—The assertion that such anticyclonic area should be a prognostic of a typhoon, either coming on, or only existing somewhere is an assertion still more evidently unfounded. There are in fact numerous such rises of the barometer without any typhoon ; and there are typhoons without any such rise within 600 to 1,000 miles from the centre, and when such rise takes place within 600 to 1,000 miles from the centre it is very probably an accidental occurence. And one might as well describe as prognostic of typhoon every phenomenon which occurs from time to time outside the limits of a typhoon. Having come to these conclusions on that important point we will return to our typhoon. The first intelligence of it came to Shanghai on October the 8th by a telegram from Manila, dated October the 7th, reporting a typhoon by the S.E. of Luzon. I doubt seriously whether this circumstance had been really 10 to determine with greater accuracy the position of the typhoon at 2 p.m. on the 9th of October. APPARI (Luzon Island, Lat. 18° 22), October 1892. Date. Hours. Barometer. Diº"rors. quº"; i. Direction. 6 A.M. 29.68 N. N.E. 3 6 N.E. 10 29.70 N. N.E. 5 8 N.E. 8th P.M. 29.61 N. N.E. 6 8 --- N.E. 4 29.56 N. N. E. 7 8 Nbus. N. E. 6 29.54 N. 7 10 3 y N. N. E. 8 29.54 N. 7 10 25 N. N. E. 6 A.M. 29.31 N.W. 11 10 ,, N.N.W. 10 29. 16 N.W. 12 10 x - N.W. 9th 1 P.M. 29.09 N.W. 12 10 * > N.W. 4 29.07 W. 11 10 * > W. 6 29. l l W.S.W. 9 10 3 * W. S. W. 8 29, 17 S.S. W. 9 10 * > W. S. W. 6 A.M 29.42 S.S.W., 4 10 22 S.S. W. 10 29.54 S. S. W. 4 10 * > - S. W. 10th 1 P.M. 29. 54 S. W. 4 8 -- S. W. 4 29.57 W. S. W. 1 8 W.S. W. 6 29.62 N.W. l 10 S. W. 8 29.67 W. 1 10 S.W. Indeed, they plainly show, that the centre passed at its shortest distance from that spot, at or about 2 p.m. on the 9th ; its bearing being at that time to the North-East of Appari. To determine the distance of the centre, which is the only difficulty in the matter, we may avail ourselves of the observations made at South Cape. The centre having from the beginning travelled directly towards that last station, and passed very near to it, on the 10th, at 1 p.m., a rough determination of its velocity will enable us to determine with sufficient accuracy the distance of the centre from the South Cape, when the height of the bar- ometer at that station was precisely the lowest reading made at Appari. The lowest reading of the barometer at Appari was 29.06, the same reading of the barometer at South Cape was taken at 5 a.m. on the 10th. Then, by a rough estimation of the velocity of the typhoon at 8 miles per hour, we see that the lowest reading of Appari was observed at South Cape when the typhoon was distant about 65 miles. Then taken as granted both that the isobaric lines were roughly circulars round the centre, and that the central low pressure remained unchanged, from the 9th, at 2 p.m., to the 10th, at 5 a.m., we must conclude that on the first of those dates, the centre of the typhoon was 65 miles to the North-East of Appari. That positiou, as well as the assumed 16 Date, Hour. pºor. º: Rain. Weather. Remarks. ſ: A. M. N. E. 7 29.28 ... ORQ At 6 p.m. bar. stood 10th 13 A.M. N. by E. 9 29.25 0.14 QHQ 29.13, but slowly rose 3 P.M. N.N.E. 10 29.03 ... OGQ afterwards from 3 to 9 P.M. N.E. 10 29.10 ... OGQ 10 p.m. The gusts were blowing with full | 3 A.M. N. 6 29.37 ... ORQ typhoon force. 11th - 9 A.M. W. N.W. 7 29.69 2.67 ORQ l; P. M. N. N.W. 6 29.75 ... ODF 9 P.M. N 8 29.82 ... OG 3 A.M. N. N. E. 5 29.84 ... O 12th Jº A.M. N. by E. 6 29.92 0.35 B - 3 P.M. N. 4 29.88 ... O * \9 P.M. N 2 29.95 ... C Fish ER IsLAND, October 1892. ind. aro- IDate Hour. pºliº Force. *:::. Weather. Midt. N. 7 29.64 OMQ 3 A.M. N. 7 29.59 OMQ 6 A.M. N. 7 29.61 OMQD 8th - 9 A.M. N. 7 29.66 OMQD Noon N. 7 29.60 OMQ 3 P.M. N. 7 29.57 OMQ 6 P.M. N. 8 29.57 OMQ \9 P.M. N. 8-9 29.57 OMQ Midt. N. 9 29.56 OMQ 3 A.M. N. 9 29.49 OMQ 6 A.M. N. N.W. 9 29.46 OMQ 9th 9 A.M. N. N.E. 9 29.47 CMQ Noon N. 9-10 29.43 CMQ 3 P.M. N. N. E. 10 29.33 CMQ 6 P.M. N. N.E. 10 29.35 OMQ 9 P.M. N. N. E. 10 29.36 OMQPD , Midt. N.N. E. 10-11 29.27 OMQPD 3 A.M. N. N.E. 11 29. 15 OMQPD 6 A.M. N. 11-12 29.04 OMQ 10th - 9 A.M. N. 11 29.08 OMQ Noon N. 11 29.02 OMQ 3 P.M. N.N. E. 11 28.93 OMQ 6 P.M. N. N. E. 12 29.03 OMQ \9 P.M. N.N. E. 11-12 29, 11 OMQD , Midt. N.N. E. 10-11 29.18 OMQR 3 A.M. N. N.W. 10 29.33 OMQR 6 A.M. N.W. 9 29.47 OMQR 11th - 9 A.M. W. 6 29.51 OMID Noon W. N.W. 7 29.53 OMP 3 P.M. W. N.W. 7.8 29.59 OMQR 6 P.M. N.W. 7-8 29.68 OMQ \9 P.M. N.W.W. 7 29.69 OMP 19 light which was battened down and which was re-secured again. Oil was then put into the weather latrines, aft and forward, which 'decidedly assisted in keeping the heavy breaking tops from coming inboard. “At 2 p.m. (Monday, 10th) a roll to windward lifted the port lifeboat out of the davits which was stove in, and carried clear of the ship, and the 2nd cutter at the same time became unhooked but was re-secured, though practically useless: the only boat being left in the davits was the after port cutter. “At 4 p.m. (Monday, 10th) the barometer shewed 29.15, but although the wind was blowing with terrific force, still very little water came inboard. “At 5 p.m. and 6 p.m. the weather remained the same throughout without any material change in the barometer. “At 8 p.m. the glass was steady at 29.15. “At 10 p.m. three heavy seas broke over ship breaking in after skylights, commander's cabin and engine room skylights and stokehold doors and wheelhouse, putting out all the fires below, the heat and steam being so great that it was impossible for the engineers to get into the engine room or stokehold. The ship was now unmanageable with no steam and the chief engineer reported that it would be some time before he could possibly be ready; the lead was kept going, 25 fathoms being the average soundings. “At 11.35 p.m. (Monday, 10th) the 3rd officer called the attention of the commander to a dark object on the lee beam; the land loomed up large through the drift. The chief officer came on the bridge and the reef was then plainly visible about 20 yards off. Nothing could be done. “Then the commander said “Good-bye" to the chief officer and 3rd officer on the bridge and left them to warn the passengers; his words on bidding “farewell” to his officers were : “Good-bye, we have done our best to save the ship and there is nothing more that can be done;” at the same time shaking hands with them all. The chief officer and 3rd officer remained on the bridge with the look-out men and helmsmen. “A minute afterward she struck, grinding her broadside on to a reef extending the whole length of the ship, and heeled over to port; she again struck the reef with fearful force and, as she began to settle down, it must have driven the whole of the starboard side in. The seas in the meantime breaking clean over all and washed the whole of those who came on the bridge on to the reef, which extended 250 yards from the high land ; those that were saved were also thrown in this manner on to the reef being on the upper deck; of these there were 23,-7 Europeans, viz., Chief Officer, G. Prickett; 3rd Officer, T. Jones Parry; 4th Officer, 42 CONCLUSIONS. We have followed this terrible typhoon all along its trajec- tory from its first appearance to the East-North-East of Luzon till its cessation on the Western Coast of Japan. We will now summarize on a page or two all the conclusions we have been able to arrive at from the study. From a theoretical standpoint we may sum up the results as follows:– 1st.—No area of high barometric pressure can be asserted to exist within 600 to 1,000 miles from the centre, either all around it, or allead of it. 2nd.—Save the inner spirals, which appear to be circular or almost so, the whirlwinds have a decided tendency towards the centre of the typhoon. This tendency of the wind towards the centre of the typhoon is well ascertained not only outside the limits of the typhoon, but within these limits, in the very body of the cyclone. Therefore an uprush of air must exist, either in the inner or the outer spirals. Not to carry this conclusion beyond its logical limits, we have abstained from denying a descending current of air in the inner and circular spirals. 3rd–Typhoons as well as tornadoes are subject to dipping and rising of their lower part, with the difference, however, that in tornadoes the lower part rises up entirely, while in typhoons only the inner spirals do so, the outer ones continuing to touch the grº und. From a practical standpoint: 1st. We have endeavoured to warn mutatine officers, that in lower latitudes careful attention must be paid to Cirrus and Cirro-Stratus as the best sign of a still distant typhºon. According to the remarks originally made by Rev. F. Saderra; the bearing of the centre of a typhoon and its direction are shown by the point on the horizon from which the Civius appear to be radiating and the motion of this point. 2nd. We seem to have established the fact notwithstanding various contradictions that the rule given many years ago by Rev. F. Dechevrens must be retained : The centre of the typhoon bears, generally speaking, 10 to 12 points from the direction of the wind. Therefore, under ordinary circumstances, with your back to windward you will have the centre on your left 2 or 4 points in front. But to prevent fatal errors which might ensue