Category: Define

Latitude The location north or south in reference to the equator, which is designated at zero (0) degrees. Parallel lines that circle the globe both

Lightning A sudden and visible discharge of electricity produced in response to the build up of electrical potential between cloud and ground, between clouds, within

Longitude The location east or west in reference to the Prime Meridian, which is designated as zero (0) degrees longitude. The distance between lines of

Low Clouds A term used to signify clouds with bases below 6,000 feet and are of a stratiform or a cumuliform variety. Stratiform clouds include

Low Latitudes The latitude belt between 30 and 0 degrees North and South of the equator. Also referred to as the tropical or torrid region.

Low Pressure System An area of a relative pressure minimum that has converging winds and rotates in the same direction as the earth. This is

Magnetic Poles Either of the two points on the earth’s surface where the magnetic meridians converge. They are not aligned with the geographical poles, but

Maximum The greatest value attained by a function, for example, temperature, pressure, or wind speed. The opposite of minimum. Temperature The measure of molecular motion

Mean Sea Level The average height of the sea surface water level. For the United States, it is computed by averaging the levels of all

Mean Temperature The average of temperature readings taken over a specified amount of time. Often the average of the maximum and minimum temperatures. Temperature The