E-PROFILE
UCCLE CL61 RayleighLiquid-cloud
0-20000-0-06447_B · BELGIUM · 50.797, 4.358 · 100 m
4 d stale
Median C_L 0.9994
Spread 32%
Drift 15 d +10.3%
i

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

Both retrievals on one axis — a systematic offset between them likely reflects electronic distortion of the signal, not the water-vapour correction. Click a legend entry to isolate one method; the tiles below follow the selection.

MEDIAN C_L (both methods)
0.9994
123 calibrated nights
SPREAD (P10-P90)
32%
0.8139 … 1.131
CLOUD / RAYLEIGH RATIO
1.18x
a systematic offset likely reflects electronic distortion of the signal, not the water-vapour correction
15-DAY DRIFT
+10.3%
vs the preceding 45 d
LAST VALID
4 d ago
2026-08-20

Rayleigh — calibration constant over time 13% success · 31/240 · median 0.87

Liquid-cloud — calibration constant over time 38% success · 92/240 · median 1.029

Daily calibration

Time–height & profile

Rayleigh 13% success · 31/240 · median 0.87 · rel. unc 10% · click a point to open that night

All Rayleigh calibrations (240) — click a date to open that night in the daily panel, click a flag for its meaning

DateFlagC_LUncertaintyExtraMessage
20260824 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20260823 -1.0 Not a clear night Not a clear night
20260822 -1.0 Not a clear night Not a clear night
20260821 -1.0 Not a clear night Not a clear night
20260820 -1.0 Not a clear night Not a clear night
20260819 -1.0 Not a clear night Not a clear night
20260818 -1.0 Not a clear night Not a clear night
20260817 0.5 Partial success 1.157 1.30e-01 2087–2548 m Successful (method err: 13.4%, sensitivity 2σ: 11.2%)
20260816 -1.0 Not a clear night Not a clear night
20260815 -1.0 Not a clear night Not a clear night
20260814 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20260813 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20260812 0.0 No data No profiles in nighttime window
20260810 -1.0 Not a clear night Not a clear night
20260809 -1.0 Not a clear night Not a clear night
20260808 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20260807 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20260806 -1.0 Not a clear night Not a clear night
20260805 -1.0 Not a clear night Not a clear night
20260804 -1.0 Not a clear night Not a clear night
20260803 0.5 Partial success 0.8531 1.13e-01 4132–5572 m Successful (method err: 2.7%, sensitivity 2σ: 13.2%)
20260802 0.5 Partial success 1.014 6.77e-02 3182–6522 m Successful (method err: 11.5%, sensitivity 2σ: 6.7%)
20260801 -1.0 Not a clear night Not a clear night
20260731 -1.0 Not a clear night Not a clear night
20260730 -1.0 Not a clear night Not a clear night
20260729 0.5 Partial success 0.9088 1.25e-01 3182–6522 m Successful (method err: 5.3%, sensitivity 2σ: 13.7%)
20260728 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20260727 -1.0 Not a clear night Not a clear night
20260726 -1.0 Not a clear night Not a clear night
20260725 0.5 Partial success 1.187 8.49e-02 2260–5140 m Successful (method err: 3.1%, sensitivity 2σ: 7.2%)
20260724 -3.0 Method disagreement Method disagreement: 18.9%
20260723 -1.0 Not a clear night Not a clear night
20260722 -1.0 Not a clear night Not a clear night
20260721 -1.0 Not a clear night Not a clear night
20260720 -1.0 Not a clear night Not a clear night
20260719 -1.0 Not a clear night Not a clear night
20260718 -1.0 Not a clear night Not a clear night
20260717 -1.0 Not a clear night Not a clear night
20260716 1.0 Successful 0.939 8.51e-02 3412–6292 m Successful (method err: 9.5%, sensitivity 2σ: 9.1%)
20260715 -1.0 Not a clear night Not a clear night
20260714 -1.0 Not a clear night Not a clear night
20260713 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20260712 1.0 Successful 0.8496 5.82e-02 4362–5802 m Successful (method err: 6.1%, sensitivity 2σ: 6.9%)
20260711 -1.0 Not a clear night Not a clear night
20260710 -1.0 Not a clear night Not a clear night
20260709 1.0 Successful 0.8216 6.98e-02 4334–7214 m Successful (method err: 4.8%, sensitivity 2σ: 8.5%)
20260708 -1.0 Not a clear night Not a clear night
20260707 -1.0 Not a clear night Not a clear night
20260706 -1.0 Not a clear night Not a clear night
20260705 -1.0 Not a clear night Not a clear night
20260704 1.0 Successful 0.6282 1.25e-01 5313–5774 m Successful (method err: 10.3%, sensitivity 2σ: 19.8%)
20260703 1.0 Successful 0.9234 8.38e-02 1799–4679 m Successful (method err: 0.3%, sensitivity 2σ: 9.1%)
20260702 -3.0 Method disagreement Method disagreement: 16.9%
20260701 -1.0 Not a clear night Not a clear night
20260630 -1.0 Not a clear night Not a clear night
20260629 -1.0 Not a clear night Not a clear night
20260628 -1.0 Not a clear night Not a clear night
20260627 -1.0 Not a clear night Not a clear night
20260626 -1.0 Not a clear night Not a clear night
20260625 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20260624 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20260623 -1.0 Not a clear night Not a clear night
20260622 -1.0 Not a clear night Not a clear night
20260621 -1.0 Not a clear night Not a clear night
20260620 -1.0 Not a clear night Not a clear night
20260619 -1.0 Not a clear night Not a clear night
20260618 -1.0 Not a clear night Not a clear night
20260617 -1.0 Not a clear night Not a clear night
20260616 -1.0 Not a clear night Not a clear night
20260615 -1.0 Not a clear night Not a clear night
20260614 -1.0 Not a clear night Not a clear night
20260613 -1.0 Not a clear night Not a clear night
20260612 -1.0 Not a clear night Not a clear night
20260611 -1.0 Not a clear night Not a clear night
20260610 0.5 Partial success 1.05 1.05e-01 2260–5601 m Successful (method err: 2.7%, sensitivity 2σ: 10.0%)
20260609 -1.0 Not a clear night Not a clear night
20260608 -1.0 Not a clear night Not a clear night
20260607 -1.0 Not a clear night Not a clear night
20260606 -1.0 Not a clear night Not a clear night
20260605 -1.0 Not a clear night Not a clear night
20260604 -1.0 Not a clear night Not a clear night
20260603 -1.0 Not a clear night Not a clear night
20260602 -1.0 Not a clear night Not a clear night
20260601 0.5 Partial success 0.9645 6.94e-02 2490–5370 m Successful (method err: 0.1%, sensitivity 2σ: 7.2%)
20260531 -1.0 Not a clear night Not a clear night
20260530 -1.0 Not a clear night Not a clear night
20260529 -1.0 Not a clear night Not a clear night
20260528 1.0 Successful 0.9168 1.51e-01 5054–6494 m Successful (method err: 5.3%, sensitivity 2σ: 16.5%)
20260527 1.0 Successful 0.7771 1.26e-01 5514–6494 m Successful (method err: 3.4%, sensitivity 2σ: 16.2%)
20260526 1.0 Successful 0.8583 4.83e-02 4593–6033 m Successful (method err: 13.4%, sensitivity 2σ: 5.6%)
20260525 -3.0 Method disagreement Method disagreement: 16.4%
20260524 -1.0 Not a clear night Not a clear night
20260523 -1.0 Not a clear night Not a clear night
20260522 0.0 No data No profiles in nighttime window
20260511 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20260510 -1.0 Not a clear night Not a clear night
20260509 -1.0 Not a clear night Not a clear night
20260508 -1.0 Not a clear night Not a clear night
20260507 -1.0 Not a clear night Not a clear night
20260506 -1.0 Not a clear night Not a clear night
20260505 -1.0 Not a clear night Not a clear night
20260504 -1.0 Not a clear night Not a clear night
20260503 -1.0 Not a clear night Not a clear night
20260502 -1.0 Not a clear night Not a clear night
20260501 1.0 Successful 0.6962 4.27e-02 3902–5802 m Successful (method err: 6.9%, sensitivity 2σ: 6.1%)
20260430 0.5 Partial success 0.528 1.05e-01 5313–5774 m Successful (method err: 2.1%, sensitivity 2σ: 19.9%)
20260429 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20260428 -1.0 Not a clear night Not a clear night
20260427 -1.0 Not a clear night Not a clear night
20260426 -1.0 Not a clear night Not a clear night
20260425 0.5 Partial success 0.8046 6.81e-02 3671–5572 m Successful (method err: 14.5%, sensitivity 2σ: 8.5%)
20260424 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20260423 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20260422 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20260421 -1.0 Not a clear night Not a clear night
20260420 -1.0 Not a clear night Not a clear night
20260419 -1.0 Not a clear night Not a clear night
20260418 -1.0 Not a clear night Not a clear night
20260417 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20260416 -1.0 Not a clear night Not a clear night
20260415 -3.0 Method disagreement Method disagreement: 39.2%
20260414 -1.0 Not a clear night Not a clear night
20260413 -1.0 Not a clear night Not a clear night
20260412 0.5 Partial success 0.9608 9.10e-02 1770–5630 m Successful (method err: 6.0%, sensitivity 2σ: 9.5%)
20260411 -1.0 Not a clear night Not a clear night
20260410 -1.0 Not a clear night Not a clear night
20260408 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20260407 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20260406 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20260405 -1.0 Not a clear night Not a clear night
20260404 -1.0 Not a clear night Not a clear night
20260403 -1.0 Not a clear night Not a clear night
20260402 -1.0 Not a clear night Not a clear night
20260401 -1.0 Not a clear night Not a clear night
20260331 -1.0 Not a clear night Not a clear night
20260330 -1.0 Not a clear night Not a clear night
20260329 -1.0 Not a clear night Not a clear night
20260328 -1.0 Not a clear night Not a clear night
20260327 -1.0 Not a clear night Not a clear night
20260326 -1.0 Not a clear night Not a clear night
20260325 0.5 Partial success 0.9687 8.50e-02 2922–6782 m Successful (method err: 2.5%, sensitivity 2σ: 8.8%)
20260324 -1.0 Not a clear night Not a clear night
20260323 0.5 Partial success 0.8138 1.21e-01 3902–5802 m Successful (method err: 3.0%, sensitivity 2σ: 14.9%)
20260322 -1.0 Not a clear night Not a clear night
20260321 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20260320 -3.0 Method disagreement Method disagreement: 68.7%
20260319 0.5 Partial success 0.8146 9.17e-02 5082–5543 m Successful (method err: 9.4%, sensitivity 2σ: 11.3%)
20260318 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20260317 -1.0 Not a clear night Not a clear night
20260316 -1.0 Not a clear night Not a clear night
20260315 -3.0 Method disagreement Method disagreement: 16.9%
20260314 -1.0 Not a clear night Not a clear night
20260313 -1.0 Not a clear night Not a clear night
20260312 -1.0 Not a clear night Not a clear night
20260311 -1.0 Not a clear night Not a clear night
20260310 0.5 Partial success 0.7739 1.56e-01 5284–6263 m Successful (method err: 6.3%, sensitivity 2σ: 20.2%)
20260309 0.5 Partial success 0.9817 2.65e-01 3642–6522 m Successful (method err: 11.9%, sensitivity 2σ: 27.0%)
20260308 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20260307 -1.0 Not a clear night Not a clear night
20260306 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20260305 0.5 Partial success 0.87 4.88e-02 2030–4910 m Successful (method err: 13.1%, sensitivity 2σ: 5.6%)
20260304 1.0 Successful 0.521 1.05e-01 5774–6234 m Successful (method err: 9.6%, sensitivity 2σ: 20.1%)
20260303 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20260302 -1.0 Not a clear night Not a clear night
20260301 -1.0 Not a clear night Not a clear night
20260228 -1.0 Not a clear night Not a clear night
20260227 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20260226 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20260225 -1.0 Not a clear night Not a clear night
20260224 -1.0 Not a clear night Not a clear night
20260223 -1.0 Not a clear night Not a clear night
20260222 -1.0 Not a clear night Not a clear night
20260221 -1.0 Not a clear night Not a clear night
20260220 -1.0 Not a clear night Not a clear night
20260219 -1.0 Not a clear night Not a clear night
20260218 -1.0 Not a clear night Not a clear night
20260217 -1.0 Not a clear night Not a clear night
20260216 -1.0 Not a clear night Not a clear night
20260215 -1.0 Not a clear night Not a clear night
20260214 -1.0 Not a clear night Not a clear night
20260213 -1.0 Not a clear night Not a clear night
20260212 -1.0 Not a clear night Not a clear night
20260211 -1.0 Not a clear night Not a clear night
20260210 -1.0 Not a clear night Not a clear night
20260209 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20260208 -3.0 Method disagreement Method disagreement: 22.1%
20260207 -1.0 Not a clear night Not a clear night
20260206 -1.0 Not a clear night Not a clear night
20260205 -1.0 Not a clear night Not a clear night
20260204 -1.0 Not a clear night Not a clear night
20260203 -1.0 Not a clear night Not a clear night
20260202 -1.0 Not a clear night Not a clear night
20260201 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20260131 -1.0 Not a clear night Not a clear night
20260130 -1.0 Not a clear night Not a clear night
20260129 -1.0 Not a clear night Not a clear night
20260128 -1.0 Not a clear night Not a clear night
20260127 -1.0 Not a clear night Not a clear night
20260126 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20260125 0.5 Partial success 0.744 7.69e-02 4161–4622 m Successful (method err: 5.4%, sensitivity 2σ: 10.3%)
20260124 0.5 Partial success 0.9222 1.79e-01 2980–4420 m Successful (method err: 8.8%, sensitivity 2σ: 19.4%)
20260123 -1.0 Not a clear night Not a clear night
20260122 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20260121 -1.0 Not a clear night Not a clear night
20260120 -1.0 Not a clear night Not a clear night
20260119 -1.0 Not a clear night Not a clear night
20260118 -1.0 Not a clear night Not a clear night
20260117 -1.0 Not a clear night Not a clear night
20260116 -1.0 Not a clear night Not a clear night
20260115 -1.0 Not a clear night Not a clear night
20260114 -1.0 Not a clear night Not a clear night
20260113 0.0 No data No profiles in nighttime window
20251224 -1.0 Not a clear night Not a clear night
20251223 0.5 Partial success 0.875 4.35e-02 1770–5630 m Successful (method err: 7.1%, sensitivity 2σ: 5.0%)
20251222 0.5 Partial success 0.9099 3.44e-02 4161–4622 m Successful (method err: 7.8%, sensitivity 2σ: 3.8%)
20251221 -1.0 Not a clear night Not a clear night
20251220 -1.0 Not a clear night Not a clear night
20251219 -1.0 Not a clear night Not a clear night
20251218 -1.0 Not a clear night Not a clear night
20251217 -1.0 Not a clear night Not a clear night
20251216 -1.0 Not a clear night Not a clear night
20251215 -1.0 Not a clear night Not a clear night
20251214 -1.0 Not a clear night Not a clear night
20251213 -1.0 Not a clear night Not a clear night
20251212 -1.0 Not a clear night Not a clear night
20251211 -1.0 Not a clear night Not a clear night
20251210 -1.0 Not a clear night Not a clear night
20251209 -1.0 Not a clear night Not a clear night
20251208 -1.0 Not a clear night Not a clear night
20251207 -1.0 Not a clear night Not a clear night
20251206 -1.0 Not a clear night Not a clear night
20251205 -2.0 Signal not proportional to molecular No molecular window passed the validity gates
20251204 -1.0 Not a clear night Not a clear night
20251203 -1.0 Not a clear night Not a clear night
20251202 -1.0 Not a clear night Not a clear night
20251201 0.5 Partial success 0.7089 1.14e-01 5082–5543 m Successful (method err: 4.8%, sensitivity 2σ: 16.1%)
20251130 -1.0 Not a clear night Not a clear night
20251129 -1.0 Not a clear night Not a clear night
20251128 -1.0 Not a clear night Not a clear night
20251127 0.0 No data No profiles in nighttime window

Liquid-cloud 38% success · 92/240 · median 1.029 · rel. unc 5% · click a point to open that night

All Liquid-cloud calibrations (240) — click a date to open that night in the daily panel, click a flag for its meaning

DateFlagC_LUncertaintyExtraMessage
20260824 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260823 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260822 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260821 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260820 1.0 Successful 1.094 6.26e-02 7 prof OK (7 profiles)
20260819 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260818 1.0 Successful 1.052 7.14e-02 62 prof OK (62 profiles)
20260817 1.0 Successful 0.5338 4.14e-02 6 prof OK (6 profiles)
20260816 1.0 Successful 0.983 4.57e-02 29 prof OK (29 profiles)
20260815 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260814 -21.0 Cloud: laser energy too low 0 prof Cloud: laser energy too low
20260813 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260812 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260810 1.0 Successful 1.027 5.45e-02 5 prof OK (5 profiles)
20260809 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260808 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260807 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260806 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260805 1.0 Successful 0.9164 2.26e-02 10 prof OK (10 profiles)
20260804 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260803 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260802 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260801 1.0 Successful 0.857 3.68e-02 10 prof OK (10 profiles)
20260731 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260730 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260729 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260728 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260727 1.0 Successful 0.989 5.98e-02 18 prof OK (18 profiles)
20260726 1.0 Successful 0.9305 5.44e-02 29 prof OK (29 profiles)
20260725 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260724 1.0 Successful 1.006 5.96e-02 23 prof OK (23 profiles)
20260723 1.0 Successful 0.9076 7.00e-02 41 prof OK (41 profiles)
20260722 1.0 Successful 0.9058 5.92e-02 117 prof OK (117 profiles)
20260721 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260720 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260719 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260718 1.0 Successful 0.9326 4.66e-02 136 prof OK (136 profiles)
20260717 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260716 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260715 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260714 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260713 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260712 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260711 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260710 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260709 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260708 1.0 Successful 0.9994 8.17e-02 71 prof OK (71 profiles)
20260707 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260706 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260705 1.0 Successful 1.092 1.57e-01 19 prof OK (19 profiles)
20260704 1.0 Successful 1.081 3.63e-02 12 prof OK (12 profiles)
20260703 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260702 1.0 Successful 1.1 4.36e-02 79 prof OK (79 profiles)
20260701 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260630 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260629 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260628 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260627 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260626 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260625 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260624 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260623 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260622 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260621 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260620 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260619 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260618 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260617 1.0 Successful 1.115 8.32e-02 61 prof OK (61 profiles)
20260616 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260615 1.0 Successful 1.113 3.86e-02 41 prof OK (41 profiles)
20260614 1.0 Successful 1.078 3.08e-02 6 prof OK (6 profiles)
20260613 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260612 1.0 Successful 1.003 2.57e-02 5 prof OK (5 profiles)
20260611 1.0 Successful 1.058 2.85e-02 14 prof OK (14 profiles)
20260610 1.0 Successful 1.165 1.65e-02 6 prof OK (6 profiles)
20260609 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260608 1.0 Successful 0.9476 2.40e-02 10 prof OK (10 profiles)
20260607 1.0 Successful 1.199 6.67e-02 11 prof OK (11 profiles)
20260606 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260605 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260604 1.0 Successful 1.132 7.32e-02 13 prof OK (13 profiles)
20260603 1.0 Successful 1.139 1.10e-01 16 prof OK (16 profiles)
20260602 1.0 Successful 0.9682 2.03e-01 40 prof OK (40 profiles)
20260601 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260531 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260530 1.0 Successful 1.196 5.26e-02 15 prof OK (15 profiles)
20260529 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260528 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260527 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260526 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260525 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260524 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260523 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260522 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260511 -20.0 Cloud: window transmission too low 0 prof Cloud: window transmission too low
20260510 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260509 1.0 Successful 0.9931 1.10e-01 17 prof OK (17 profiles)
20260508 1.0 Successful 1.067 4.83e-02 6 prof OK (6 profiles)
20260507 1.0 Successful 0.7648 4.89e-01 95 prof OK (95 profiles)
20260506 -20.0 Cloud: window transmission too low 0 prof Cloud: window transmission too low
20260505 -25.0 Cloud: cloud base out of range 0 prof Cloud: cloud base out of range
20260504 1.0 Successful 1.103 8.43e-02 25 prof OK (25 profiles)
20260503 1.0 Successful 1.061 8.80e-02 21 prof OK (21 profiles)
20260502 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260501 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260430 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260429 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260428 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260427 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260426 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260425 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260424 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260423 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260422 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260421 1.0 Successful 0.9897 3.75e-02 6 prof OK (6 profiles)
20260420 1.0 Successful 1.224 7.37e-02 11 prof OK (11 profiles)
20260419 1.0 Successful 1.129 7.61e-02 5 prof OK (5 profiles)
20260418 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260417 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260416 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260415 1.0 Successful 1.044 5.33e-02 38 prof OK (38 profiles)
20260414 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260413 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260412 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260411 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260410 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260408 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260407 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260406 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260405 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260404 1.0 Successful 1.155 6.85e-02 15 prof OK (15 profiles)
20260403 1.0 Successful 1.117 9.67e-02 64 prof OK (64 profiles)
20260402 1.0 Successful 1.036 5.69e-02 44 prof OK (44 profiles)
20260401 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260331 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260330 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260329 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260328 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260327 1.0 Successful 1.132 1.13e-01 184 prof OK (184 profiles)
20260326 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260325 1.0 Successful 1.017 7.04e-02 12 prof OK (12 profiles)
20260324 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260323 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260322 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260321 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260320 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260319 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260318 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260317 1.0 Successful 0.9691 9.31e-02 35 prof OK (35 profiles)
20260316 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260315 1.0 Successful 1.173 5.53e-02 5 prof OK (5 profiles)
20260314 1.0 Successful 1.201 2.71e-02 19 prof OK (19 profiles)
20260313 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260312 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260311 1.0 Successful 0.8372 4.58e-02 7 prof OK (7 profiles)
20260310 1.0 Successful 0.978 5.36e-02 22 prof OK (22 profiles)
20260309 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260308 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260307 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260306 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260305 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260304 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260303 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260302 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260301 1.0 Successful 0.9799 1.00e-02 5 prof OK (5 profiles)
20260228 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260227 1.0 Successful 1.08 4.85e-02 18 prof OK (18 profiles)
20260226 1.0 Successful 0.6789 3.22e-02 5 prof OK (5 profiles)
20260225 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260224 1.0 Successful 1.003 4.20e-02 44 prof OK (44 profiles)
20260223 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260222 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260221 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260220 1.0 Successful 0.9916 5.19e-02 40 prof OK (40 profiles)
20260219 1.0 Successful 1.007 8.69e-02 321 prof OK (321 profiles)
20260218 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260217 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260216 1.0 Successful 1.083 2.04e-02 7 prof OK (7 profiles)
20260215 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260214 1.0 Successful 1.077 4.13e-02 144 prof OK (144 profiles)
20260213 1.0 Successful 1.203 3.58e-02 6 prof OK (6 profiles)
20260212 1.0 Successful 1.042 2.88e-02 7 prof OK (7 profiles)
20260211 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260210 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260209 1.0 Successful 0.9744 5.22e-02 47 prof OK (47 profiles)
20260208 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260207 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260206 1.0 Successful 0.965 4.28e-02 13 prof OK (13 profiles)
20260205 1.0 Successful 0.9694 1.02e-01 29 prof OK (29 profiles)
20260204 1.0 Successful 1.093 2.56e-02 6 prof OK (6 profiles)
20260203 1.0 Successful 1.051 3.26e-02 19 prof OK (19 profiles)
20260202 1.0 Successful 1.066 4.91e-02 213 prof OK (213 profiles)
20260201 1.0 Successful 1.061 5.97e-02 66 prof OK (66 profiles)
20260131 1.0 Successful 0.9739 3.67e-02 39 prof OK (39 profiles)
20260130 1.0 Successful 1.028 9.84e-02 73 prof OK (73 profiles)
20260129 1.0 Successful 0.9803 4.37e-02 27 prof OK (27 profiles)
20260128 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260127 1.0 Successful 0.915 3.52e-02 123 prof OK (123 profiles)
20260126 1.0 Successful 0.9097 4.76e-02 60 prof OK (60 profiles)
20260125 1.0 Successful 0.9445 5.41e-02 43 prof OK (43 profiles)
20260124 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260123 1.0 Successful 1.009 4.26e-02 24 prof OK (24 profiles)
20260122 1.0 Successful 1.06 3.83e-02 11 prof OK (11 profiles)
20260121 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260120 1.0 Successful 0.9601 5.16e-02 5 prof OK (5 profiles)
20260119 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260118 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260117 1.0 Successful 0.9825 4.21e-02 81 prof OK (81 profiles)
20260116 1.0 Successful 1.047 8.73e-02 5 prof OK (5 profiles)
20260115 1.0 Successful 0.9529 8.58e-02 35 prof OK (35 profiles)
20260114 -25.0 Cloud: cloud base out of range 0 prof Cloud: cloud base out of range
20260113 1.0 Successful 1.009 6.06e-02 109 prof OK (109 profiles)
20251224 1.0 Successful 1.028 3.67e-02 28 prof OK (28 profiles)
20251223 1.0 Successful 1.033 5.38e-02 775 prof OK (775 profiles)
20251222 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20251221 1.0 Successful 0.9014 5.30e-02 29 prof OK (29 profiles)
20251220 1.0 Successful 1.021 1.19e-01 113 prof OK (113 profiles)
20251219 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20251218 1.0 Successful 1.11 7.34e-02 104 prof OK (104 profiles)
20251217 1.0 Successful 0.9991 4.00e-02 62 prof OK (62 profiles)
20251216 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20251215 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20251214 1.0 Successful 1.079 4.49e-02 46 prof OK (46 profiles)
20251213 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20251212 1.0 Successful 1.035 4.39e-02 159 prof OK (159 profiles)
20251211 1.0 Successful 1.03 3.61e-02 31 prof OK (31 profiles)
20251210 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20251209 1.0 Successful 1.03 6.53e-02 28 prof OK (28 profiles)
20251208 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20251207 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20251206 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20251205 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20251204 1.0 Successful 0.9954 4.81e-02 44 prof OK (44 profiles)
20251203 1.0 Successful 1.047 5.55e-02 269 prof OK (269 profiles)
20251202 1.0 Successful 1.099 8.61e-02 252 prof OK (252 profiles)
20251201 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20251130 1.0 Successful 1.054 2.59e-02 6 prof OK (6 profiles)
20251129 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20251128 -25.0 Cloud: cloud base out of range 0 prof Cloud: cloud base out of range
20251127 -25.0 Cloud: cloud base out of range 0 prof Cloud: cloud base out of range

Instrument monitoring — daily averages: laser power, window transmission, temperatures

Observation − Background (CAMS) — calibrated backscatter vs CAMS model over the selected window

Observation minus background (CAMS) diagnostic

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

target classification curtain

Instrument sensitivity / detection limit — ICAO detection altitude & nighttime noise floor

Instrument sensitivity / detection limit diagnostic