The distance or length of flow of the air past a point during a given interval of time.

The transmission of data collected at a remote location over communications channels to a central station.

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

The process by which small particles suspended in a medium of a different refractive index diffuse a portion of the incident radiation in all directions. In scattering no energy transformation results, only a change in the spatial distribution of the radi ...

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

Sir Napier Shaw's name for the approximate absolute temperature scale,

An instrument for the measurement of the rate of ice accretion on an unheated body.

Facing away from the wind.

Routine broadcast of meteorological information for aircraft in flight.

An instrument used for the determination of the electrical conductivity of the atmosphere.

An instrument used to measure and record earthquake vibrations and other earth tremors.

Same as dropsonde.

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

A recording weight barometer.

The attenuation of light.

Precipitation falling from a cloud, usually in wisps or streaks, but evaporating before it reaches the ground.

A coating of ice, generally clear and smooth. formed by the freezing of supercooled water on a surface.

A type of photoelectric photometer used to measure high-altitude winds on the assumption that stellar scintillation is caused by atmospheric inhomogeneities being carried along by wind near the tropopause level.

Emission or transfer of energy in the form of electromagnetic waves or particles.

That part of an audio-modulated radiosonde consisting of the baroswitch, the sensing elements, the reference elements, and the relay.