Category: Define

Gale On the Beaufort Wind Scale, a wind with speeds from 28 to 55 knots (32 to 63 miles per hour). For marine interests, it

Gale Warning A warning for marine interests for impending winds from 28 to 47 knots (32 to 54 miles per hour). Wind Air that flows

Geophysics The study of the physics or nature of the Earth and its environment. It deals with the composition and physical phenomena of the earth

Geosphere Considered the solid portions of the earth, including the hydrosphere and the lithosphere, as opposed to the atmosphere, which lies above it. At their

Geostationary Satellite An orbiting weather satellite that maintains the same position over the equator during the earth’s rotation. Also known as GOES, an acronym for

Geostrophic Wind A steady horizontal motion of air along straight, parallel isobars or contours in an unchanging pressure or contour field. It is assumed that

Gradient Wind A steady horizontal air motion along curved parallel isobars or contours in an unchanging pressure or contour field, assuming there is no friction

Gravitation The mutual attraction between two masses of matter. The rotation of the earth and the atmosphere modifies this attraction to produce the field of

Gravity The force of attraction of the earth on an object. The direction is downward relative to the earth, and it decreases with elevation or

Greenhouse Effect The overall warming of the earth’s lower atmosphere primarily due to carbon dioxide and water vapor which permit the sun’s rays to heat