Register: Code Table D-2: Physical quantity kinds
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URI: http://codes.wmo.int/common/quantity-kind
WMO No. 306 Vol I.3 Common Code-table D-2, Physical quantity kinds.
Contents
| Notation | Name | Description | Status |
|---|---|---|---|
| aerodromeMaximumWindGustSpeed | Aerodrome maximum wind gust speed | Maximum wind speed in the 10 minute period of observation. It... | stable |
| aerodromeMeanWindDirection | Aerodrome mean wind direction | The mean true direction in degrees from which the wind is blo... | stable |
| aerodromeMeanWindSpeed | Aerodrome mean wind speed | The mean speed of the wind over the 10-minute period immediat... | stable |
| aerodromeMinimumHorizontalVisibility | Aerodrome minimum horizontal visibility | The minimum horizontal visibility that is reported when the h... | stable |
| aerodromeMinimumVisibilityDirection | Aerodrome minimum visibility direction | When the minimum horizontal visibility is reported, its gener... | stable |
| aeronauticalPrevailingHorizontalVisibility | Aeronautical prevailing horizontal visibility | The greatest visibility value, observed in accordance with th... | stable |
| aeronauticalVisibility | Aeronautical visibility | The greater of:(a) The greatest distance at which a black obj... | stable |
| airTemperature | Air temperature | The temperature indicated by a thermometer exposed to the air... | stable |
| altimeterSettingQnh | Altimeter setting (QNH) | Altimeter setting (also known as QNH) is defined as barometri... | stable |
| atmosphericPressure | Atmospheric pressure | The atmospheric pressure on a given surface is the force per ... | stable |
| depthOfRunwayDeposit | Depth of runway deposit | Depth of deposit on surface of runway | stable |
| dewPointTemperature | Dew-point temperature | The temperature to which a given air parcel must be cooled at... | stable |
| geometricHeight | Geometric height | Vertical distance (Z) of a level, a point or an object consid... | stable |
| heightOfBaseOfCloud | Height of base of cloud | For a given cloud or cloud layer, vertical distance (measured... | stable |
| horizontalVisibility | Horizontal visibility | The greatest distance determined in the horizontal plane at t... | stable |
| maximumDiameterOfHailstones | Maximum diameter of hailstones | Maximum diameter (size) of hailstone (observed). | stable |
| maximumWindGustSpeed | Maximum wind gust speed | Nominal maximum speed of wind during a given period; usually ... | stable |
| pressureTendency | Pressure tendency | Rate of change of atmospheric pressure with respect to time. | stable |
| runwayContaminationCoverage | Runway contamination coverage | Proportion of runway that is contaminated. A runway is consid... | stable |
| runwayFrictionCoefficient | Runway friction coefficient | Quantitative assessment of friction coefficient of runway sur... | stable |
| runwayVisualRangeRvr | Runway visual range (RVR) | The range over which the pilot of an aircraft on the centre l... | stable |
| seaSurfaceTemperature | Sea surface temperature | Temperature of the sea water at surface. | stable |
| snowDepthWaterEquivalent | Snow depth water equivelant | Depth of lying snow expressed as measure of equivalent depth ... | stable |
| totalPrecipitation | Total precipitation | Total amount of precipitation measured over a defined period. | stable |
| totalPrecipitationRate | Total precipitation rate | Rate of total precipitation (e.g. combination of convective a... | stable |
| totalSnowDepth | Total snow depth | Depth of lying snow. | stable |
| uvIndex | UV index | Global Solar UVI is formulated using the International Commis... | stable |
| verticalVisibility | Vertical visibility | Maximum distance at which an observer can see and identify an... | stable |
| windDirection | Wind direction | Direction from which wind is blowing. | stable |
| windSpeed | Wind speed | Ratio of the distance covered by the air to the time taken to... | stable |