90 Tenth Memoir on the Law of Storms in India. [No. 146. 



On Monday at noon my latitude was per observation 12° 33' N. and 

 longitude per two Chronometers 82.0 E., since then had mostly the 

 winds from S. S. W. to West. 



Ship Isabella Watson, Capt. J. A. Macdonald, from Madias to 

 Calcutta : report from her Commander, reduced to civil time. 



19th May 1843, Friday. — The weather was close and sultry with 

 a heavy swell rolling in on the beach indicating the approach of a 

 storm. Thermometer at noon 83°43', sympiesometer 29.36. 



20^ Saturday. — a. m. hove short and made sail from Covelong ; 



7 a. m. came to anchor in Madras Roads, hard squalls from the N. W. 

 with heavy rain ; observed the flag flying at the fort for all ships 

 to prepare for sea. Thermometer 48°, sympiesometer 29.26. P. m. 

 squally and variable from N. E. to North with heavy rain. 



2\st Sunday. — a. m. made sail from Madras Roads, at 4 a. m. 

 hard squalls and rain from N. N. E. ; 10 a. m. blew very hard with 

 squalls and rain from N. E. to N. and a high turbulent sea running. 

 Under close reefed main top sail ; noon blowing very hard with a 

 high cross sea and heavy rain. Thermometer 83°30', sympiesometer 

 29.16. 



A continuance of the N. E. gale. At 2-30 p. m. Thermometer 84° 

 sympiesometer 28.96. The ship labouring this time most fearfully, 



8 p. m. Thermometer 83° sympiesometer 28.84. 9 p. m. Thermometer 

 83°, sympiesometer 28.0 a fearful sea running. 



22nd May. — 3 a. m. a heavy squall with hail and rain ; 8 a. m. the 

 gale blowing with greater violence with a turbulent cross sea, making 

 a fair breach over the ship, and straining her very much. Thermo- 

 meter 83°, sympiesometer 28.64. Noon ditto weather. 



Madras bearing by account West and by North 70 miles. 



2 p. m. Thermometer 83°30', sympiesometer 28.70. 3 p. m. sympie- 

 someter 28.84, the weather more moderate, but a turbulent sea, the 

 wind flew suddenly from N.W. to West. At 4 p. m. it came from S. W. 

 and continued so with dark weather and rain. 



23rd May.— At noon Thermometer 84°30', sympiesometer 29.11. 



