42 On the prevailing Storms of the Atlantic Coast. 
In Lat. 20° 30’, Lon. 63°, the storm commenced on the 29th of 
September, at 1, P. M., and continued till half past 6, P. M. from 
north-east and south-west alternately. 
On the same day, in Lat. 22° 46’, Lon. 65°, a hurricane. 
Sept. 30th, at night, Lat. 26° 7’, Lon. 66° 31’, “ very heavy” five 
and a half hours. 
Oct. ist, Lat. 30° 38’, Lon. 63°, severe at south-east, shifted to 
north-west. 
Lat. 33°, Lon. 66° 30’, severe gale or hurricane. 
Lat. 34° 9’, Lon. 66° 12’, “ hurricane” at east-south- 
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east. 
Lat. 35°, Lon. 68°, severe gale. 
Lat. 38°, Lon. 63°, “ a hurricane.” 
Lat. 38° 30’, Lon. 57°, severe gale. 
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2, P. M., sudden and violent from the north. 
Lat. 40° 25’, Lon. 58° 24’, moderate gale, with heavy 
swell and cross sea. 
Lat. 41°, Lon. 55°, very severe. 
By an average estimate of dates and distances, it appears to have 
made progress at the rate of about twenty-seven miles per hour. 
A north-east storm, of three days’ duration, appeared on our cen- 
tral coast one week subsequent to the foregoing, the rainy, and more 
tempestuous portion of which continued about twenty-four hours, its 
progress and other features being analogous to those previously de- 
scribed. 
It must not be supposed that the facts which are comprised in the 
foregoing recitals, are peculiar only to the most violent storms, or to 
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the season of the equinoxes, but the same general features appear to _ 
have pertained to every storm which has prevailed in these regions. 
The extensive hurricane of 1804, which swept over most of the isl-_ 
ands in the West Indies, commenced at Martinico on the 3d of Sep- 
tember, reached Savannah on the 7th, Boston on the 9th, and be- 
came a snow-storm on its arrival in the interior of New Hampshire. 
The great gale of 1815, commenced at St. Bartholomews on the 
18th of September, and reached Rhode Island on the morning of the 
23d, where it was awfully destructive from the south-east, while in 
the south-eastern part of Massachusetts it was then blowing at south, 
at New London from east to south-east, and at New York from north 
to north-north-west. The violent north-east snow-storm of Decem- 
Lat. 40°, Lon. 61°, hurricane from nearly south, at — 
