Storms on the Coast of New South Wales. 
By H. C. Russext, B.A., F.R.A.S., Government Astronomer. 
[Read before the Royal Society of N.S.W.,'7 August, 1878.] 
the Ww 
Wales. Before doing so, eens I ainai like to say a os w 
words about some of the terms used in describing storms, ea 
the sense in which re shall use them —— And first, what is 
miles apart: thus a ee nt of 6 means that in 60 miles the 
pressure changes 0-06 in.; on the continent of E aS gradients 
are sare ip in eailimatiee diistoal of hundr ithe of an inch, 
HR Lani e term is used here the Eng lish gradient is that 
a Now the experien ae e amounts to this: 
hy the force of wind Ned not exceed a fresh breeze, or 30 miles 
‘for the bulk of the air to be set in wiotion'’ is so great t 
requires time to respond to small forces, and gradients frequent 
