126 Facts in Meteorology. 
The various phenomena and effects which result from this cause, 
are usually considered as distinct meteors, and are variously named 
in different countries, according to their sensible appearances, inten- 
sity, extent and duration. . Such stormy meteors are distinguished 
by the following among other names, which are often applied in an 
indeterminate manner and sometimes to the same, or modifications 
of the same phenomena. 
— Ist. Aerial meteors or phenomena constituted by whirls or 
violent movements of limited extent. 
Flaw _ Turbonado 
Whirl Tourbillon 
Gust Tornado 
Rush of wind Bursting of a Waterspout 
_ Whirlwind Falling of a Waterspout 
Helm or Helm wind —_ Bursting of a cloud. 
Spout ~~ Squall 
Waterspout Thunderstorm 
Sand spout Hailstorm 
Sand pillar Sandwind 
Fire pillar Samiel 
Turbo Simoom 
Cuiass 2d. Whirlwind-storms or violent movements of Mer in- 
creased exten 
Gale nis ae (Menico, ) 
Blow Sirocco 
Storm Hurricane 
Pamperro (in La Plata. Typhoon, or Tau-fung, &c. 
Names of general or periodical winds of the nature of currents. 
Trade Winds Etesian Winds 
Monsoons Harmattan, &c. 
The Samiel is described as a hot noxious wind which sometimes 
passes over the sandy deserts of Arabia and Africa. It passes in 
narrow currents lasting only a few minutes. The coming of it is in- 
dicated by a thick haze in the horizon, and travellers, if they have 
time, throw themselves on their faces, till it has passed. 
The Sirocco is a blighting hot wind which prevails in Italy, &c., 
about April. 
