Platform Variables
A comprehensive list of all variables available across the API Platform.
| Variable Name | API Source | Unit | Description |
|---|---|---|---|
air.humidity.at-2m | Point Forecast API | %, percent | Relative humidity 2 meters above ground level. |
air.pressure.at-sea-level | Point Forecast API | Pa, pascal | Air pressure at sea level is the quantity often abbreviated as MSLP or PMSL. Air pressure is the force per unit area which would be exerted when the m... |
air.temperature.at-2m | Point Forecast API | K, Degrees Kelvin | Air temperature is the bulk temperature of the air, not the surface (skin) temperature. |
air.visibility | Point Forecast API | m, meter | The visibility is the distance at which something can be seen. |
air_temperature | Nowcast API | Celsius | Air temperature. Null if data is unavailable. |
atmosphere.convective.potential.energy | Point Forecast API | J/kg, joules per kilogram | Integrated amount of work that the upward (positive) buoyancy force would perform on a given mass of air (called an air parcel) if it rose vertically ... |
cloud.base.height | Point Forecast API | m, meter | A cloud base (or the base of the cloud) is the lowest altitude of the visible portion of a cloud. Cloud base refers to the base of the lowest cloud. H... |
cloud.cover | Point Forecast API | %, percent | Total cloud cover in the atmosphere column. "Area fraction" is the fraction of a grid cell's horizontal area that has some characteristic of interest.... |
current.speed.eastward.at-sea-surface | Point Forecast API | m/s, meters per second | “Surface" means the lower boundary of the atmosphere. A velocity is a vector quantity. "Eastward" indicates a vector component which is positive when ... |
current.speed.eastward.at-sea-surface-no-tide | Point Forecast API | m/s, meters per second | The surface called 'surface' means the lower boundary of the atmosphere. 'Water' means water in all phases, including frozen i.e. ice and snow. A velo... |
current.speed.eastward.barotropic | Point Forecast API | m/s, meters per second | Average current over the full water column / to the bottom of the sea. A velocity is a vector quantity. "Eastward" indicates a vector component which ... |
current.speed.eastward.barotropic-no-tide | Point Forecast API | m/s, meters per second | A velocity is a vector quantity. 'Eastward' indicates a vector component which is positive when directed eastward (negative westward). |
current.speed.northward.at-sea-surface | Point Forecast API | m/s, meters per second | "Surface" means the lower boundary of the atmosphere. A velocity is a vector quantity. "Northward" indicates a vector component which is positive when... |
current.speed.northward.at-sea-surface-no-tide | Point Forecast API | m/s, meters per second | The surface called 'surface' means the lower boundary of the atmosphere. 'Water' means water in all phases, including frozen i.e. ice and snow. A velo... |
current.speed.northward.barotropic | Point Forecast API | m/s, meters per second | Average current over the full water column / to the bottom of the sea. A velocity is a vector quantity. "Northward" indicates a vector component which... |
current.speed.northward.barotropic-no-tide | Point Forecast API | m/s, meters per second | A velocity is a vector quantity. 'Northward' indicates a vector component which is positive when directed northward (negative southward). |
precipitation.rate | Point Forecast API | mm/hr, millimeters per hour | 'Precipitation' in the earth's atmosphere means precipitation of water in all phases. The abbreviation 'lwe' means liquid water equivalent. 'Precipita... |
radiation.flux.downward.longwave | Point Forecast API | W/m^2, irradiance, or radiant flux density | The surface called 'surface' means the lower boundary of the atmosphere. 'longwave' means longwave radiation. 'Downward' indicates a vector component ... |
radiation.flux.downward.shortwave | Point Forecast API | W/m^2, irradiance, or radiant flux density | The surface called 'surface' means the lower boundary of the atmosphere. 'shortwave' means shortwave radiation. 'Downward' indicates a vector componen... |
sea.temperature.at-surface | Point Forecast API | K, Degrees Kelvin | Sea surface temperature is usually abbreviated as "SST". It is the temperature of sea water near the surface (including the part under sea-ice, if any... |
sea.temperature.at-surface-anomaly | Point Forecast API | K, Degrees Kelvin | The term 'anomaly' means difference from climatology. Sea surface temperature is usually abbreviated as 'SST'. It is the temperature of sea water near... |
sea_surface_height_above_mean_sea_level | Tide API | - | Tidal elevation in meters. |
tidal_stage | Tide API | - | Indicates whether the turning point is a High Water or Low Water.... |
wave.direction.above-8s.peak | Point Forecast API | °, degree | Spectral peak direction of the portion of a wave frequency spectrum where periods are above 8s. Direction from which the most energetic waves are comi... |
wave.direction.below-8s.peak | Point Forecast API | °, degree | Spectral peak direction of the portion of a wave frequency spectrum where periods are below 8s. Direction from which the most energetic waves are comi... |
wave.direction.mean | Point Forecast API | °, degree | Mean wave direction of where the waves are coming from |
wave.direction.peak | Point Forecast API | °, degree | Spectral peak direction of the total sea state. The direction from which the most energetic waves are coming. The spectral peak is the most energetic ... |
wave.directional-spread | Point Forecast API | °, degree | Directional spread is the (one-sided) directional width within a given sub-domain of the wave directional spectrum, S(t,x,y,f,theta) where t is time, ... |
wave.height | Point Forecast API | m, meter | Significant wave height, which is the average height of the highest one third of the waves for the location. The height is defined as the vertical dis... |
wave.height.above-8s | Point Forecast API | m, meter | Swell waves are waves on the ocean surface and are the low frequency portion of a bimodal wave frequency spectrum. Significant wave height is a statis... |
wave.height.below-8s | Point Forecast API | m, meter | Significant wave height of wind seas. It is computed from the portion of a wave frequency spectrum where periods are below 8s. Wind waves are waves on... |
wave.height.max | Point Forecast API | m, meter | Maximum wave height, which is the height of the largest single wave at the location. |
wave.period.above-8s.peak | Point Forecast API | s, second | Period of the most energetic waves within the swell wave component of a sea. Swell waves are waves on the ocean surface and are the low frequency port... |
wave.period.below-8s.peak | Point Forecast API | s, second | Period of the most energetic waves within the wind wave component of a sea. Wind waves are waves on the ocean surface and are the high frequency porti... |
wave.period.peak | Point Forecast API | s, second | A period is an interval of time, or the time-period of an oscillation. Also called peak wave period, is the period of the most energetic waves in the ... |
wave.period.tm01.mean | Point Forecast API | s, second | Tm01 is mean wave period using the zeroth- and first-order moments = m0/m1. Tm01 is less dependent on the high-frequency part of the spectrum, it is u... |
wave.period.tm02.mean | Point Forecast API | s, second | Tm02 is mean wave period using the zeroth- and second-order moments = sqrt(m0/m2). Tm02 gives the closest result to the mean period obtained with the ... |
wind.direction.at-100m | Point Forecast API | °, degree | The direction from which it is blowing at 100 meters above ground. North = 360, east = 90 and 0 means no wind / clam |
wind.direction.at-10m | Point Forecast API | °, degree | The direction from which it is blowing at 10 meters above ground. North = 360, east = 90 and 0 means no wind / clam |
wind.speed.at-100m | Point Forecast API | m/s, meters per second | Wind speed at 10m above ground level |
wind.speed.at-10m | Point Forecast API | m/s, meters per second | Wind speed at 10m above ground level |
wind.speed.eastward.at-100m | Point Forecast API | m/s, meters per second | Eastward wind speed vector component which is positive when directed eastward (negative westward). At 10 meters (or 100 meters) above ground level. |
wind.speed.eastward.at-10m | Point Forecast API | m/s, meters per second | Eastward wind speed vector component which is positive when directed eastward (negative westward). At 10 meters (or 100 meters) above ground level. |
wind.speed.gust.at-10m | Point Forecast API | m/s, meters per second | The speed of wind gusts. |
wind.speed.northward.at-100m | Point Forecast API | m/s, meters per second | Northward wind speed vector component which is positive when directed northward (negative southward). At 10 meters (or 100 meters) above ground level. |
wind.speed.northward.at-10m | Point Forecast API | m/s, meters per second | Northward wind speed vector component which is positive when directed northward (negative southward). At 10 meters (or 100 meters) above ground level. |
wind_from_direction | Nowcast API | degrees | Wind direction (degrees true). Null if data is unavailable. |
wind_speed | Nowcast API | km/h | Wind speed. Null if data is unavailable. |