424 A Twenty -fourth Memoir on the Law of Storms. [No. 5. 



low, about 29.76. # Daylight to sunrise, fresh breeze N. East. A bank 

 of stratus and nimbus from East to N. East with heavy masses of loose 

 ragged cumuli which were breaking and passing over us in loose detached 

 ridges, and webs of smoky scud. About 6 a. m. weather seemed to clear 

 up from the Eastward but no rise of Barometer.^ 



At 10 a. m. Bar. (corrected to that of Surveyor General) 29.71 ; Symp. 

 29.90. 



N. B. No rise since 4 a. m. rather a fall, Bar. being then about 

 29.74. Fresh breeze N. E., masses of dark smoky cumulous scud travel- 

 ling from the Eastward. Bright sunlight where openings occurred and 

 larger dark masses passing now and then. Wind E. N. E. blowing in 

 strong squalls and puffs at times. 



At Ih. 30' p. m. first dark rain squall occurred, at 1 p. m. Bar. 29.659 » 

 Symp. 29.85 ; Ther. 85i°. Squalls and puffs as before. Wind E. N. E. 

 to N. East. 



3h. 40' p. m. Bar. 29.609 ; Symp. 29.81 ; Ther. 85°. 4h. 5' p. m. Bar. 

 29.529 ; Symp. 29.75 ; Ther. 84f °. Gloomy squalls and rain. Wind N. 

 East. Scud N. East. 



5h. p. m. Bar. 29.509 ; Symp. 29.75 ; Ther. 84°. Wind N. N. E. to N. 

 East with squalls and drizzling rain, but the rain in loose large drops ! 

 At lOh. 10' Bar. 29.309; Symp. 29.60; Ther. 82£°. Blowing hard from 

 E. N. East as nearly as can be guessed. 



At Ilk 20' Bar. 29.169 ; Symp. 29.50 ; Ther. 82° ; blowing a hard gale, 



but too dark to ascertain its exact direction ; tremendous squalls at times, 



15^ May. 



Time. Bar. Simp. Ther. 



a.m. 0h.5' 29.079 29.42 82° 



25 .009 .39 



1. 5 28.879 .33 



1. 45 .859 .30 



Wind now to the Westward of North ; heavy gale. 



2h.l5' 

 3 . 

 3 .20 



28.829 

 .909 

 .989 



28 

 34 

 39 



81|° 

 81| 



• • 



Wind N. Westerly. 



4h.00' 

 6 .30 



29.059 

 .329 



44 

 62 



81£ 



81 



Heavy gale at West, scud from S. West. 



8h.20' 29.499 29.64 81 



Decreasing gale West. By Noon, weather comparatively fine. 



* Register blotted.— H. P. 



f The treacherous clearing up for a short interval which I have so frequently 

 adverted to. 



