A unit of power equal to one joule per second or 10' ergs per second.

The range through which the input may be varied without initiating a response. Usually expressed as a percentage of full-scale range.

Any twelve-month period, usually selected to begin and end during a relative dry season. Used a basis for processing streamflow and other hydrologic data. The period from October 1 to September 30 is widely used in the U.S.

The effect upon the measurement of rainfall caused by the presence of the rain gauge.

A fixed-length group of bits representing the large data element handled as a unit by a computer. Word length is determined by the capacity of the CPU registers.

Operation mode of a communication circuit in which one end can only transmit and the other end can only receive.

An up slope wind due to local surface heating. Opposite of katabatic wind.

A hypothetical temperature characterized by a complete absence of heat and defined as 0 K, -273.15 C, or -459.67 F.

A river gauge in which a weight suspended on a wire is lowered to the water surface from a bridge or other overhead structure to measure the distance from a point of known elevation to the water surface.

Snow shower, particularly of a very light and brief nature.

Pertaining to the action or effect of the wind. Derived from the name of the Greek god of the winds, Aeolus.

The temperature registered by a thermometer with its bulb at the level of the tops of the grass blades in short turf.

Formation of a single water drop by the union of two or more colliding drops.

A system of designating meteorological observing stations by number. established and administered by the World Meteorological Organization. Under this scheme, specified areas of the word are divided into "blocks" each bearing a two-number designator. Stat ...

Part of a computer word that has meaning in itself, often, a byte.

An area of low barometric pressure, with its attendant system of winds. Also called a depression or cyclone.

A counterclockwise change in wind direction. Backing winds with height are indicative of cold air advection (CAA).

A direct-vision nephoscope which is constructed in the following manner: a comb consisting of a crosspiece containing equispaced vertical rods is attached to one end of a column eight to ten feet long and is supported on a mounting that is free to rotate ...

Same as windsock.

Solar and terrestrial radiation directed downwards (towards the earth's surface); incoming radiation.