Learn about weather from a world and scentific point of view. Extreme storms, mild rain, blisting sun and whipping wind are all elements of weather. Discover how they work.

Lower Latitudes

NORTHERN HEMISPHERE. Axis line, wind N.E., barometer falling, first half of storm. Axis line, wind S.W., barometer rising, last half of storm. RIGHT-HAND SEMICIRCLE. Wind E.N.E., E., E.S.E., S.E., barometer falling, storm increasing.


In sketching out a system of observation having especial reference to atmospheric waves and rotatory storms, regard has been had--_first_, to the instruments that should be used, the observations to be made with them, the corrections to be applied