1884.] 



of tlic Bay of Bengal in 1883. 



79 



extension eastwards over the centre and north of the Peninsula. Light 

 easterly winds were blowing, as on the 27tli, up the Gauge tic plain, indi- 

 cating that the circulation was as yet unaifected in direction by the 

 atmospheric whirl in the north of the Bay. To the north of the centre 

 of depression, or in South Bengal, the circulation was increasing, but 

 was still very weak. The weather was generally cloudy, and rain had 

 fallen in moderate amounts over the same areas as on the 27th. 



The observations at the selected stations in Bengal are given below : 





Barometer at 

 10 A. M. reduc- 

 ed to sea level. 



Change since 

 yesterday. 



Wind. 



Average wind 

 velocity of pre- 

 vious 24 hours. 



CO 



p-l 



10 A. M. 



Cloud. 



Rainfall 

 of pre- 

 vious 

 24 hours. 



Stations. 



o 



A 

 S 





29-913 

 29-856 

 29-807 

 29-639 

 29-571 

 29-526 

 29^445 

 29-392 

 29-374 

 29-423 

 29-507 

 29-452 

 29-614 



+ -001 

 + -003 

 + -044 

 -^ 033 



— •007 



— •040 



— •159 



— 137 



— •158 



— 114 

 — -058 



— •092 



— •020 



s. w. 

 s. w. 



s. 

 s. 



S.E. 

 E. 



E. 

 E. 



N. N. E. 



N. 



calm. 



W. S. W. 



W. 



s. w. 

 S. w. 



S. S. w. 

 S. s. w. 



E. S. E. 



E. 

 E. S. E. 

 E. by N. 



N. N. E. 



? 



N. W. 



W.S.W. 



w. 



13 

 12 

 29 

 12 



9 

 6 

 6 

 9 

 8 

 2 

 4 

 10 

 1 



118 

 109 

 363 

 300 

 129 



75 

 120 

 150 



57 



? 



100 

 100 

 175 



6 

 6 

 9 



10 

 9 



10 

 10 

 10 

 10 

 10 

 10 

 10 

 10 



nil. 



Port Blair 



0-13 



Diamond Island 



Akyab 



Chittagong 



Dacca 



0-25 

 6-84 

 3-81 



0-85 



Jessore 



Calcutta (Alipore) 

 Saugor Island ... 



Balasore 



Cuttack 



False Point 



Vizagapatam . . . 



010 

 0-22 

 0-91 

 0-32 

 0-62 

 4-84 

 0-20 



Pressure had given way over the whole of the Province of Bengal, 

 and was below the normal of the day by amounts varying between -05" 

 at Patna and ^25" at Saugor Island. The air-motion over the whole of 

 Bengal was now largely dependent on the cyclonic vortex. In East and 

 South- West Bengal winds ranged between east and north-east. Norther- 

 ly winds prevailed at Balasore, and south-west winds at Gopalporc and 

 False Point. The air was calm at 10 A. m. at Cuttack. Over North Bengal, 



