Data availability, cloud cover & calibration — per day; click a day to open that night in the daily panel
Status
Pass
Warning
Error
No data
Cloud cover
0
4
8 octas
Calibration
calibrated no scene no night atmosphere retrieval instrument no data
MEDIAN C_L (LIQUID-CLOUD)
3.341e+07
6 calibrated nights
SPREAD (P10-P90)
5%
3.291e+07 … 3.444e+07
15-DAY DRIFT
—
not enough history
LAST VALID
2 d ago
2026-08-22
Liquid-cloud — calibration constant over time 55% success · 6/11 · median 3.341e+07
Liquid-cloud 55% success · 6/11 · median 3.341e+07 · rel. unc 5%
All Liquid-cloud calibrations (11) — click a flag for its meaning
| Date | Flag | C_L | Uncertainty | Extra | Message |
|---|---|---|---|---|---|
| 20260824 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260823 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260822 | 1.0 Successful | 3.365e+07 | 2.05e+06 | 5 prof | OK (5 profiles) |
| 20260821 | 1.0 Successful | 3.461e+07 | 3.43e+06 | 34 prof | OK (34 profiles) |
| 20260820 | 1.0 Successful | 3.426e+07 | 1.17e+06 | 12 prof | OK (12 profiles) |
| 20260819 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260818 | 1.0 Successful | 3.318e+07 | 2.10e+06 | 78 prof | OK (78 profiles) |
| 20260817 | 1.0 Successful | 3.306e+07 | 1.56e+06 | 80 prof | OK (80 profiles) |
| 20260816 | 1.0 Successful | 3.276e+07 | 1.43e+06 | 283 prof | OK (283 profiles) |
| 20260815 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
| 20260814 | -24.0 Cloud: aerosol below cloud | — | — | 0 prof | Cloud: aerosol below cloud > limit |
Instrument monitoring — daily averages: laser power, window transmission, temperatures
Observation − Background (CAMS) — calibrated backscatter vs CAMS model over the selected window
Cloudnet target classification — 11 days · aerosol / cloud / drizzle / ice / supercooled (ceiloclass, driven by CAMS T)
Classification — latest — Ctrl+← → step days, or click a day in the calendar
Instrument sensitivity / detection limit — ICAO detection altitude & nighttime noise floor
