1884.] 



of the Bay of Bengal in 1883. 



117 



its existence. In the absence of observations, it is impossible to state 

 whether it broke up immediately, or passed over the whole breadth of the 

 Arabian Sea. 



The following table gives the positions of the centre at the hours 

 stated, from the 27th of June to the date of its disappearance beyond 

 the limits of India in the Arabian Sea : — 



Date. 



Hour. 



Position of centre. 



Distance tra- 

 velled during 

 preceding in- 

 terval. 



«4H rt 



Latitude. 



N. 



Longitude. 

 E. 



o S 



June 27th 



... 1 



Noon. 

 4 p. M. 



20° 30' 

 20° 35' 



[89° 45' 

 89° 35' 



12 



3 



June 28th 





10 A. M. 

 N'oon. 

 4 p. M. 



21° 0' 

 21° 3' 

 21° 10' 



88° 45' 

 88° 40' 

 88° 30' 



62 

 13 



3i 



June 29th 



... I 



10 A. M. 



Noon. 

 4 p. M. 



21° 30' 

 21° 30' 

 21° 35' 



87° 55' 

 87° 50' 

 87° 30' 



45 



22 



% 



June 30th 



... 1 



10 A. M. 



4 p. M. 



22° 0' 

 22° 0' 



84° 0' 

 83° 30' 



230 

 32 



13 



July 1st ... 



... 1 



10 a.m. 

 4 p. M. 



22° 0' 

 22° 0' 



81° 0' 

 79° 45' 



162 



80 



9 

 13* 



July 2nd... 



• 1 



10 A. M. 



4 p. M. 



22° 30' 

 23° 30' 



76° 0' 

 74° 30' 



245 

 120 



]3t 



20 



July 3rd.... 



•• 



10 A. M. 



4 p. M. 



23° 30' 

 23° 45' 



69° 45' 

 68° 45' 



308 



17 

 11 



The atmospheric whirl was fully developed on the 27th and con- 

 tinued intact for at least seven days. During the latter part of its 

 existence, it drifted across from the coast of Orissa to the coast of Cutch 

 or Sind, and disappeared and probably broke up in the Arabian Sea. 



The following table gives the lowest reading of the barometer at 

 10 A. M., the average barometric height at the same station, and the amount 

 of the greatest known barometric depression at 10 A. M. on each day : — 

 16 



