E-PROFILE
NITRA CL31 Liquid-cloud
0-20000-0-11855_A · SLOVAKIA · 48.280, 18.134 · 135 m
Median C_L 6.223e+07
Spread 33%
Drift 15 d +7.4%
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
MEDIAN C_L (LIQUID-CLOUD)
6.223e+07
33 calibrated nights
SPREAD (P10-P90)
33%
5.803e+07 … 7.879e+07
15-DAY DRIFT
+7.4%
vs the preceding 45 d
LAST VALID
today
2026-08-24

Liquid-cloud — calibration constant over time 29% success · 33/113 · median 6.223e+07

Daily calibration

Time–height & profile

Liquid-cloud 29% success · 33/113 · median 6.223e+07 · rel. unc 7% · click a point to open that night

All Liquid-cloud calibrations (113) — click a date to open that night in the daily panel, click a flag for its meaning

DateFlagC_LUncertaintyExtraMessage
20260824 1.0 Successful 8.507e+07 1.03e+07 39 prof OK (39 profiles)
20260823 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260822 1.0 Successful 8.223e+07 6.59e+06 121 prof OK (121 profiles)
20260821 1.0 Successful 7.172e+07 4.59e+06 13 prof OK (13 profiles)
20260820 1.0 Successful 7.91e+07 7.14e+06 25 prof OK (25 profiles)
20260819 1.0 Successful 7.147e+07 5.43e+06 180 prof OK (180 profiles)
20260818 1.0 Successful 7.222e+07 5.52e+06 87 prof OK (87 profiles)
20260817 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260816 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260815 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260814 -23.0 Cloud: peak not sharp below 0 prof Cloud: peak not sharp below (300 m)
20260813 -23.0 Cloud: peak not sharp below 0 prof Cloud: peak not sharp below (300 m)
20260812 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260811 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260810 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260809 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260808 -23.0 Cloud: peak not sharp below 0 prof Cloud: peak not sharp below (300 m)
20260807 -23.0 Cloud: peak not sharp below 0 prof Cloud: peak not sharp below (300 m)
20260806 -23.0 Cloud: peak not sharp below 0 prof Cloud: peak not sharp below (300 m)
20260805 -23.0 Cloud: peak not sharp below 0 prof Cloud: peak not sharp below (300 m)
20260804 -23.0 Cloud: peak not sharp below 0 prof Cloud: peak not sharp below (300 m)
20260803 -23.0 Cloud: peak not sharp below 0 prof Cloud: peak not sharp below (300 m)
20260802 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260801 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260731 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260730 -23.0 Cloud: peak not sharp below 0 prof Cloud: peak not sharp below (300 m)
20260729 -23.0 Cloud: peak not sharp below 0 prof Cloud: peak not sharp below (300 m)
20260728 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260727 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260726 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260725 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260724 1.0 Successful 8.174e+07 4.11e+06 13 prof OK (13 profiles)
20260723 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260722 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
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 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260717 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260716 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260715 1.0 Successful 7.753e+07 4.23e+06 19 prof OK (19 profiles)
20260714 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260713 -23.0 Cloud: peak not sharp below 0 prof Cloud: peak not sharp below (300 m)
20260712 1.0 Successful 7.062e+07 5.27e+06 28 prof OK (28 profiles)
20260711 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260710 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260709 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260708 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260707 1.0 Successful 6.693e+07 4.97e+06 12 prof OK (12 profiles)
20260706 1.0 Successful 6.318e+07 5.87e+06 153 prof OK (153 profiles)
20260705 1.0 Successful 7.179e+07 4.48e+06 15 prof OK (15 profiles)
20260704 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260703 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260702 1.0 Successful 7.027e+07 4.58e+06 36 prof OK (36 profiles)
20260701 1.0 Successful 6.809e+07 1.87e+06 22 prof OK (22 profiles)
20260630 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260629 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260628 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260627 -23.0 Cloud: peak not sharp below 0 prof Cloud: peak not sharp below (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)
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 -23.0 Cloud: peak not sharp below 0 prof Cloud: peak not sharp below (300 m)
20260619 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260618 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260617 1.0 Successful 5.797e+07 3.32e+06 20 prof OK (20 profiles)
20260616 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260615 1.0 Successful 6.078e+07 3.24e+06 5 prof OK (5 profiles)
20260614 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260613 1.0 Successful 6.064e+07 6.80e+06 12 prof OK (12 profiles)
20260612 1.0 Successful 5.923e+07 4.40e+06 41 prof OK (41 profiles)
20260611 1.0 Successful 5.826e+07 4.35e+06 26 prof OK (26 profiles)
20260610 1.0 Successful 5.849e+07 5.79e+06 69 prof OK (69 profiles)
20260609 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260608 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260607 1.0 Successful 6.771e+07 5.57e+06 5 prof OK (5 profiles)
20260606 1.0 Successful 5.823e+07 5.54e+06 47 prof OK (47 profiles)
20260605 1.0 Successful 6.023e+07 4.92e+06 214 prof OK (214 profiles)
20260604 1.0 Successful 5.938e+07 4.79e+06 84 prof OK (84 profiles)
20260603 1.0 Successful 6.244e+07 4.58e+06 219 prof OK (219 profiles)
20260602 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260601 1.0 Successful 6.223e+07 3.45e+06 49 prof OK (49 profiles)
20260531 1.0 Successful 5.897e+07 3.86e+06 15 prof OK (15 profiles)
20260530 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260529 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260528 -23.0 Cloud: peak not sharp below 0 prof Cloud: peak not sharp below (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 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260524 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260523 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260522 -23.0 Cloud: peak not sharp below 0 prof Cloud: peak not sharp below (300 m)
20260521 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260520 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260519 -23.0 Cloud: peak not sharp below 0 prof Cloud: peak not sharp below (300 m)
20260518 1.0 Successful 6.088e+07 4.39e+06 302 prof OK (302 profiles)
20260517 1.0 Successful 6.16e+07 5.19e+06 74 prof OK (74 profiles)
20260516 1.0 Successful 5.759e+07 7.69e+06 24 prof OK (24 profiles)
20260515 1.0 Successful 5.677e+07 4.69e+06 114 prof OK (114 profiles)
20260514 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260513 1.0 Successful 5.939e+07 2.66e+06 57 prof OK (57 profiles)
20260511 1.0 Successful 5.655e+07 4.37e+06 43 prof OK (43 profiles)
20260510 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260509 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260508 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260506 -24.0 Cloud: aerosol below cloud 0 prof Cloud: aerosol below cloud > limit
20260505 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260504 -23.0 Cloud: peak not sharp below 0 prof Cloud: peak not sharp below (300 m)
20260503 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260502 -22.0 Cloud: peak not sharp above 0 prof Cloud: peak not sharp above (300 m)
20260501 -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

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