Register: Met Office Local Table Parameter Definitions
stable
URI: http://reference.metoffice.gov.uk/grib/grib2/mo--74/4.2
Met Office Local Table Parameter definitions Extending WMO GRIB2 code table 4.2 for cases where the defined centre number is 74.
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| is a | Register | concept scheme | Container |
| changed on | 19 Feb 2025 13:51:43.680 |
| submitted by | marqH |
| accepted on | 20 Apr 2020 10:45:16.754 |
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| description |
Met Office Local Table Parameter definitions Extending WMO GRIB2 code table 4.2 for cases where the defined centre number is 74.
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Met Office Local Table Parameter Definitions
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3 Dec 2025 17:22:10.083
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Register
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84
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Contents
| Name | Notation | Description | Types | Status |
|---|---|---|---|---|
| wet bulb potential temperature | 0-0-192 | Wet bulb potential temperature is defined as the temperature ... | Concept | stable |
| feels like temperature | 0-0-193 | The temperature it feels like taking into account humidity a... | Concept | stable |
| cloud water mixing ratio | 0-1-192 | Ratio of the mass of liquid water to the mass of dry air. | Concept | stable |
| large scale rain rate unsmoothed orography | 0-1-193 | large scale rain rate unsmoothed orography | Concept | stable |
| large scale snowfall rate water equivalent unsmoothed orography | 0-1-194 | large scale snowfall rate water equivalent unsmoothed orograp... | Concept | stable |
| precipitation type unsmoothed orography | 0-1-195 | precipitation type unsmoothed orography | Concept | stable |
| total snowfall rate water equivalent unsmoothed orography | 0-1-196 | total snowfall rate water equivalent unsmoothed orography | Concept | stable |
| rain precipitation rate unsmoothed orography | 0-1-197 | rain precipitation rate unsmoothed orography | Concept | stable |
| sleetfall rate | 0-1-198 | sleetfall rate | Concept | stable |
| extreme precipitation rate in last 12 hours in vicinity of 14km | 0-1-199 | Concept | stable | |
| extreme precipitation rate in last 24 hours in vicinity of 14km | 0-1-200 | Concept | stable | |
| extreme precipitation rate in last 12 hours in vicinity of 30km | 0-1-201 | Concept | stable | |
| extreme precipitation rate in last 24 hours in vicinity of 30km | 0-1-202 | Concept | stable | |
| precipitation rate in vicinity of 10km | 0-1-203 | Concept | stable | |
| probability of precipitation as snow unsmoothed orography | 0-1-204 | The mean probability of precipitation falling as snow on unsm... | Concept | stable |
| diameter of hail stones | 0-1-205 | diameter of hail stones | Concept | stable |
| snow depth water equivalent change | 0-1-206 | snow depth water equivalent change | Concept | stable |
| convective rain rate unsmoothed orography | 0-1-207 | convective rain rate unsmoothed orography | Concept | stable |
| total convective snowfall rate water equivalent unsmoothed orography | 0-1-208 | total convective snowfall rate water equivalent unsmoothed or... | Concept | stable |
| total lightning flash density | 0-17-192 | Concept | stable | |
| lightning flash rate in vicinity of 10km | 0-17-193 | Concept | stable | |
| visibility through dust | 0-19-192 | Concept | stable | |
| visibility at screen level in vicinity of 10km | 0-19-193 | Concept | stable | |
| superstructure icing | 0-19-194 | Superstructure icing refers to the accumulation of ice on the... | Concept | stable |
| u component of wind (surface adjusted) | 0-2-192 | The component of the horizontal wind towards the East (Zonal)... | Concept | stable |
| v component of wind (surface adjusted) | 0-2-193 | The component of the horizontal wind towards the North (Merid... | Concept | stable |
| wind direction (from which blowing) (surface adjusted) | 0-2-194 | Concept | stable | |
| wind speed (surface adjusted) | 0-2-195 | Concept | stable | |
| wind gust (10m ratio) | 0-2-197 | Concept | stable | |
| wind vertical velocity maximum in vicinity of 30km | 0-2-199 | Wind vertical velocity maximum in vicinity of 30km. If bounds... | Concept | stable |
| wind vertical velocity 98 percentile in vicinity of 30km | 0-2-200 | Wind vertical velocity 98 percentile in vicinity of 30km. If ... | Concept | stable |
| vertical velocity of thermal in boundary layer | 0-2-201 | vertical velocity of thermal in boundary layer | Concept | experimental |
| dust mass mixing ratio (0.2-4.0 microns) | 0-20-192 | Mass mixing ratio representing the mass of dust in a unit mas... | Concept | stable |
| dust mass mixing ratio (4.0-20.0 microns) | 0-20-193 | Mass mixing ratio representing the mass of dust in a unit mas... | Concept | stable |
| dust mass mixing ratio (0.03-0.1 microns) | 0-20-194 | Mass mixing ratio representing the mass of dust in a unit mas... | Concept | stable |
| dust mass mixing ratio (0.1-0.3 microns) | 0-20-195 | Mass mixing ratio representing the mass of dust in a unit mas... | Concept | stable |
| dust mass mixing ratio (0.3-1.0 microns) | 0-20-196 | Mass mixing ratio representing the mass of dust in a unit mas... | Concept | stable |
| dust mass mixing ratio (1.0-3.0 microns) | 0-20-197 | Mass mixing ratio representing the mass of dust in a unit mas... | Concept | stable |
| dust mass mixing ratio (3.0-10.0 microns) | 0-20-198 | Mass mixing ratio representing the mass of dust in a unit mas... | Concept | stable |
| dust mass mixing ratio (10.0-30.0 microns) | 0-20-199 | Mass mixing ratio representing the mass of dust in a unit mas... | Concept | stable |
| dust mass concentration | 0-20-200 | Dust mass concentration | Concept | experimental |
| dust aerosol optical depth | 0-20-201 | Dust aerosol optical depth | Concept | experimental |
| geometric altitude above mean sea level | 0-3-192 | Concept | stable | |
| geometric height above ground level | 0-3-193 | Concept | stable | |
| upward UV radiation | 0-4-192 | Ultaviolet radiation at the surface directed away from the gr... | Concept | stable |
| height of lowest cloud base greater than 2.5 oktas | 0-6-192 | Height of the base of the lowest cloud above sea level where ... | Concept | stable |
| cloud amount below 1000 feet ASL | 0-6-195 | Fraction of horizontal grid square occupied by cloud below 10... | Concept | stable |
| CAPE most unstable below 500hPa | 0-7-192 | CAPE (Convective Available Potential Energy) calculated for t... | Concept | stable |
| CAPE mixed layer in lowest 500m | 0-7-193 | CAPE (Convective Available Potential Energy) calculated for a... | Concept | stable |
| CIN most unstable below 500hPa | 0-7-194 | Convective Inhibition calculated as the additional energy req... | Concept | stable |
| CIN mixed layer in lowest 500m | 0-7-195 | Convective Inhibition calculated as the additional energy req... | Concept | stable |
| 2nd swell period | 10-0-193 | Secondary swell period | Concept | stable |
| 2nd swell direction | 10-0-194 | Secondary swell direction | Concept | stable |
| 2nd swell height | 10-0-195 | Secondary swell height | Concept | stable |
| 2nd swell mean directional spread | 10-0-196 | Secondary swell mean directional spread | Concept | stable |
| 3rd swell period | 10-0-197 | Tertiary swell period | Concept | stable |
| 3rd swell direction | 10-0-198 | Tertiary swell direction | Concept | stable |
| 3rd swell height | 10-0-199 | Tertiary swell height | Concept | stable |
| 3rd swell mean directional spread | 10-0-200 | Tertiary swell mean directional spread | Concept | stable |
| wind sea energy at peak frequency | 10-0-201 | Energy density at wind wave spectral maximum | Concept | stable |
| swell energy at peak frequency | 10-0-202 | Energy density at primary swell wave spectral maximum | Concept | stable |
| 2nd swell energy at peak frequency | 10-0-203 | Energy density at secondary swell wave spectral maximum | Concept | stable |
| 3rd swell energy at peak frequency | 10-0-204 | Energy density at tertiary swell wave spectral maximum | Concept | stable |
| tide current speed | 10-1-192 | Concept | stable | |
| tide current direction | 10-1-193 | Concept | stable | |
| depth Max Current | 10-1-194 | The depth at which the maximum current occurs. | Concept | stable |
| non-tidal residual of sea level | 10-3-192 | Concept | stable | |
| water potential temperature (theta) | 10-3-193 | Water potential temperature (theta) at surface | Concept | stable |
| visibility of Ocean | 10-4-192 | The Visibility of the Ocean, the light Secchi depth (1.7/Kd) | Concept | stable |
| leaf area index of primary deciduous trees | 2-0-192 | Leaf Area Index is a measure for the total area of leaves per... | Concept | stable |
| leaf area index of primary evergreen trees | 2-0-193 | Leaf Area Index is a measure for the total area of leaves per... | Concept | stable |
| leaf area index of natural grasses of C3 plant functional types | 2-0-194 | Leaf Area Index is a measure for the total area of leaves per... | Concept | stable |
| leaf area index of natural grasses of C4 plant functional types | 2-0-195 | Leaf Area Index is a measure for the total area of leaves per... | Concept | stable |
| leaf area index of shrubs | 2-0-196 | Leaf Area Index is a measure for the total area of leaves per... | Concept | stable |