Same as humidity strip.

Contraction for radiosonde observation.

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 ...

A diagram showing the intensity of the radiation field in all directions from a transmitting radio or radar antenna at a given distance from the antenna.

Either of two colored luminous spots that appear at points 22

An instrument which measures the spectral distribution of the intensity of direct solar radiation.

A hydrostatic principle that pressure supplied to an enclosed fluid is transmitted undiminished to every portion of the fluid and to the walls of the containing vessel.

Programs or instructions which are stored in readonly memory.

That portion of the atmosphere which is above the lower troposphere. Generally applied to levels above 850 mb.

Any one of a family of circular arcs consisting of concentric colored bands, arranged from red on the inside to blue on the outside, which may be seen on a "sheet" of water drops (rain, fog, spray). The most common of the many possible is the primary rain ...

Balance of the water resources of a region, comparing precipitation and inflow with outflow, evaporation, and accumulation.

An apparatus, used in studying soil temperatures, for measuring the total supply of heat during a given period.

The minimum temperature shown by a minimum thermometer exposed in an open situation with its bulb at the level of the tops of the grass blades of short turf.

Abbreviation for mean sea level.

Downward-facing pyranometer used for measuring reflected solar radiation.

A numbering system using a base number of 16 and including the ten decimal digits (0 to 9) along with six alpha digits (A to F). Thus. a digit is available to represent each of the possible values of a 4-bit binary digit.

That temperature at which, in a specified latitude, the reading of a particular barometer requires no temperature or latitude correction.

An instrument for measuring radiant energy. See actinometer, Dines radiometer, photometer, Tulipian radiometer.

An instrument for measuring the difference of the solar radiation falling on both sides of a horizontal surface from the whole hemisphere.

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