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Where can it be applied?
• Data assimilation with short latency
• Severe weather warning
• Process studies and understanding
• Climate monitoring
• Model verification
• Verification of other observing systems
What makes it unique?
• First operational, combined water-vapor and temperature profiler
• Measures furthermore particle extinction coefficient, particle backscatter coefficient & relative humidity
• Exceptional vertical and temporal resolution day and night
• Eye safety
• Designed to fulfil goal and threshold requirements of the
WMO for temperature and water vapor profiling, respectively
• Resolution of lids and inversions
• First direct measurement of real atmospheric boundary layer height
• Further variables derived such as
buoyancy, CAPE, and CIN
• Long lifetime of laser transmitter
with minor maintenance
• Compact and robust system design
• Continuous vertical pointing; 3D scanning option available
• Ready for operation in networks
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Unequaled resolution and accuracy of water-vapor and temperature profiles!
High resolutions of up to 1 s and 7.5 m
Temperature (T):
Systematic error < 0.5 K
Water-vapor mixing ratio (WVMR):
Systematic error < 5 %
T and WVMR profiles exceed WMO goal and breakthrough requirements*, respectively, for nowcasting/VSRF in the lower troposphere
*see OSCAR and
Purple Pulse Unique Performance
Only system capable of resolving temperature inversions, lids, and true atmospheric boundary layer depth
Diode-laser pumped eye-safe transmitter with extraordinary lifetime and low maintenaince
Continuous vertical profiling and 3D scanning systems
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