Current Data from JOYCE
The following table shows current images and a short description of the measurement. Clicking on the image brings you to a page for every instrument with further data. Main purpose of these pages is to control whether the instruments work properly. The data shown are mainly preliminary and not quality controlled.
| Instruments at Jülich JOYCE | |
|---|---|
 | Ceilometer CT25K * sends and receives laser pulses * measures intensity of backscattered signal * derives cloudbase height(s) and boundary layer height Current observations quicklook archive |
 | Ceilometer CHM15k: * sends and receives laser pulses * measures intensity of backscattered signal * derives cloudbase height(s) and boundary layer height Current observations quicklook archive |
 | JOYRAD 35 (Cloud radar MIRA-36) * sends and receives radar signal at 35.5 GHz * measures intensity and Doppler shift of backscattered signal * provides vertical cloud extension, cloud microphysics, hydrometeor fall speeds Current observations and quicklook archive |
| | JOYRAD 94 (Cloud radar 94GHz, RPG-FMCW-94): * sends and receives radar signal at 94 GHz * asures intensity and Doppler shift of backscattered signal * provides vertical cloud extension, cloud microphysics, hydrometeor fall speeds Current observations and quicklook archive |
 | Microwave radiometer HATPRO-TOPHAT : * measures emission of water vapor, oxygen and liquid water in the microwave spectral range (around 20-30 GHz and 50-60 GHz) * derives water vapor content, liquid water content (clouds), temperature and humidity profiles Current webcam images Current observations and quicklook archive |
 | Micro rain radar ( MRR ): * sends and receives radar signal at 24 GHz * measures intensity and Doppler shift of backscattered signal * derives rain rate, fall speed, drop size distributions Quicklook archive |
 | SODAR Wind profiler: * sends and reveives acoustic pulses * measures intensity and doppler shift of backscattered signal * wind speed, wind direction and turbulent fluctuations Current observations |
 | Total sky imager ( TSI ): * hemispheric image of the sky every 20 seconds * total, thin and opaque cloud cover, sun shine duration Current Quicklook archive Quicklook Archive old YES-TSI |
 | Wind lidar : * sends and receives laser pulses * measures intensity and doppler shift of backscattered signal * profiles of backscatter coefficient, vertical wind speed and their statistics * profiles of horizontal wind speed and direction Current observations Quicklook archive |
