NPP_SUOMI_L2_VIIRS_EDR_VCDT
Variables
The table below lists the variables that are present in the HARP product that results from an ingestion of NPP_SUOMI_L2_VIIRS_EDR_VCDT data.
| field name | type | dimensions | unit | description | 
|---|---|---|---|---|
| datetime | double | {time} | [seconds since 2000-01-01] | time of the measurement | 
| latitude | double | {time} | [degree_north] | tangent latitude | 
| longitude | double | {time} | [degree_east] | tangent longitude | 
| sensor_azimuth_angle | double | {time} | [degree] | azimuth angle (measured clockwise positive from North) to Satellite at each retrieval position | 
| sensor_zenith_angle | double | {time} | [degree] | zenith angle to Satellite at each retrieval position | 
| solar_azimuth_angle | double | {time} | [degree] | azimuth angle of sun (measured clockwise positive from North) at each retrieval position | 
| solar_zenith_angle | double | {time} | [degree] | zenith angle of sun at each retrieval position | 
| cloud_base_height | double | {time} | [km] | cloud_base_height | 
| cloud_top_height | double | {time} | [km] | cloud_top_height | 
| cloud_top_pressure | double | {time} | [hPa] | cloud_top_pressure | 
| cloud_top_temperature | double | {time} | [K] | cloud_top_temperature | 
| cloud_fraction | double | {time} | [] | cloud_fraction | 
| cloud_effective_particle_size | double | {time} | [um] | cloud_effective_particle_size | 
| cloud_optical_depth | double | {time} | [] | cloud_optical_depth | 
| index | int32 | {time} | zero-based index of the sample within the source product | 
Mapping description
The table below details where and how each variable was retrieved from the input product.
| field name | mapping description | |
|---|---|---|
| datetime | path | /All_Data/VIIRS-CLD-AGG-GEO_All/StartTime, /All_Data/VIIRS-CLD-AGG-GEO_All/MidTime | 
| description | the time converted from seconds since 1958-01-01 to seconds since 2000-01-01T00:00:00 | |
| latitude | path | /All_Data/VIIRS-CLD-AGG-GEO_All/Latitude | 
| longitude | path | /All_Data/VIIRS-CLD-AGG-GEO_All/Longitude | 
| sensor_azimuth_angle | path | /All_Data/VIIRS-CLD-AGG-GEO_All/SatelliteAzimuthAngle | 
| sensor_zenith_angle | path | /All_Data/VIIRS-CLD-AGG-GEO_All/SatelliteZenithAngle | 
| solar_azimuth_angle | path | /All_Data/VIIRS-CLD-AGG-GEO_All/SatelliteAzimuthAngle | 
| solar_zenith_angle | path | /All_Data/VIIRS-CLD-AGG-GEO_All/SatelliteZenithAngle | 
| cloud_base_height | available | optional | 
| path | /All_Data/VIIRS-CBH-EDR_All/AverageCloudBaseHeight | |
| cloud_top_height | available | optional | 
| path | /All_Data/VIIRS-CTH-EDR_All/AverageCloudTopHeight | |
| cloud_top_pressure | available | optional | 
| path | /All_Data/VIIRS-CTP-EDR_All/AverageCloudTopPressure | |
| cloud_top_temperature | available | optional | 
| path | /All_Data/VIIRS-CTT-EDR_All/AverageCloudTopTemperature | |
| cloud_fraction | available | optional | 
| path | /All_Data/VIIRS-CCL-EDR_All/SummedCloudCover | |
| cloud_effective_particle_size | available | optional | 
| path | /All_Data/VIIRS-CEPS-EDR_All/AverageCloudEffectiveParticleSize | |
| cloud_optical_depth | path | /All_Data/VIIRS-COT-EDR_All/AverageCloudOpticalThickness |