A vector term which includes both wind speed and wind direction.

Extended Binary Coded Decimal Interchange Code. A standard code used to represent data using 8 bits per character.

The change in the measured transducer output caused by changes in ambient temperature. Usually expressed a percentage of full scale.

A flower-like diagram indicating the relative frequencies of different wind directions for a given station and period of time.

The temperature at which a solid substance undergoes fusion, i.e. melts, changes from solid to liquid form. All substances have their characteristic melting points. For very pure substances the temperature range over which the process of fusion occurs is ...

Same as marine rainbow.

An instrument used to reveal but not necessarily measure the presence of an electrical quantity. It is used to display the output of a sensing element after suitable amplification and modification. Sometimes called display.

The attenuation of light.

A point (or line) on a scale used for reference or comparison purposes. In calibration of meteorological thermometers, for example, the fiducial points are 100

Routine broadcast of meteorological information for aircraft in flight.

See radar theodolite, radio direction-finder.

The interval between the lower and upper measuring limits of an instrument, i.e. a thermometer with a range of -35 to 50

Integrated Flood Observing and Warning System. National Weather Service flood warning program.

The correctable part of the inaccuracy of an instrument.

A common unit used in measurement of atmospheric pressure. Defined as that pressure exerted by a one-inch column of mercury at standard gravity and a temperature of 0'C.

A conically shaped, copper rain gauge shield.

The condition of the atmosphere when the amount of water vapor present is the maximum possible at the existing temperature.

Occupational Safety and Health Administration. A regulatory office of the U.S. Department of Labor.

Random Access Memory. The memory of a computer which can be read and written into at any location without passing through preceding locations.

A recording weight barometer.