HD(CP)2 long term observations, cloudnet - target classification data of Cloudnet products (no. 00), by Supersite JOYCE, data version 02
Daily files of Cloudnet categorization and target classification data at JOYCE
Access
To get a year dataset please use one of the links below to download the wget script:
2013,
Dataset Author
Patric Seifert, seifert@tropos.de, Institution: Research Center Juelich, Institute for Energy and Climate research (IEK-8)Description
This file includes the following cloudnet-derived parameters: quality_bits, category_bits, target_classification_bits and corresponding model data: wind speed, wind direction, air pressure, air temperature, and specific humidity. For more information and quicklooks visit http://www.cloud-net.org/.
Limitations: No rain rate observations are available from JOYCE, and thus, rain rate equals to 0 m s-1. If fill value is used for rain rate, then rain flag is set based on radar observations. If full hour of model data only (e.g. temperature and pressure) are filled with fill values, then temperature flag for categorization indicated below zero temperatures. In practice, such missing model data could be observed during the last hour of the day. This could have let wrong categorization of hydrometeors in the lowest 2-3 k
Provenance: Cloudnet-processed remote-sensing data. See the global argument *cloudnet_source* for more details.
Comments: none
Instrument 1
- Source: Microwave radiometer HATPRO
- Descriptive Instrument location: The instruments are part of the JOYCE facility that is installed on the roof of the Institute for Energy and Climate Research, Research Center Juelich.
Instrument 2
- Source: Model COSMO-EU
- Descriptive Instrument location: The instruments are part of the JOYCE facility that is installed on the roof of the Institute for Energy and Climate Research, Research Center Juelich.
Instrument 3
- Source: Mira 35S
- Descriptive Instrument location: The instruments are part of the JOYCE facility that is installed on the roof of the Institute for Energy and Climate Research, Research Center Juelich.
Instrument 4
- Source: Microwave radiometer HATPRO
- Descriptive Instrument location: The instruments are part of the JOYCE facility that is installed on the roof of the Institute for Energy and Climate Research, Research Center Juelich.
Instrument 5
- Source: Vaisala CT25k ceilometer
- Descriptive Instrument location: The instruments are part of the JOYCE facility that is installed on the roof of the Institute for Energy and Climate Research, Research Center Juelich.
Instrument 6
- Source: Model COSMO-EU
- Descriptive Instrument location: The instruments are part of the JOYCE facility that is installed on the roof of the Institute for Energy and Climate Research, Research Center Juelich.
Global information
- PID: de.koeln.rrzk/amd.de.sups/joy.cln00.l4.class
- Project: HD(CP)2
- Level: 4
- Updated version: 02
- File format: NETCDF3_CLASSIC
- Convention: CF-1.6 where applicable
- Average File Size Uncompressed: 13 Mb
- File name: sups_joy_cln00_l4_class_v[VV]_[YYYYMMDDhhmmss].nc
- Start: 2013-01-01
- End: 2013-12-31
Variables
| Name | Dimension | CF standard_name | long_name | Unit |
|---|---|---|---|---|
| hus | time, model_height | specific_humidity | specific humidity | kg kg-1 |
| pa | time, model_height | air_pressure | Air pressure | Pa |
| rr | time | rainfall_rate | rain rate | m s-1 |
| ta | time, model_height | air_temperature | K | |
| wdir | time, model_height | wind_from_direction | wind direction | degree |
| wspeed | time, model_height | wind speed | m s-1 | |
| zcb | time, layer | cloud_base_altitude | cloud base altitude | m |
| zgct | time, layer | cloud_top_altitude | cloud top altitude | m |
| zsl | altitude | Altitude above mean sea level | m |
Institution
Contact Person(s)
Ulrich Loehnert (loehnert@meteo.uni-koeln.de)
References
Robin Hogan and Ewan O'Connor,Facilitating cloud radar and lidar algorithms: the Cloudnet Instrument Synergy/Target Categorization product