ceil > CeilometerInstrument Type(s) > Baseline • External

The ceilometer (CEIL) is a remote-sensing instrument that measures cloud height, vertical visibility, and potential backscatter signals by aerosols. It detects up to three cloud layers simultaneously. Operating through a maximum vertical range of 7700 m, the CEIL transmits near-infrared pulses of light and the receiver detects the light scattered back by clouds and precipitation.



  • Fixed
  • AMF1
  • AMF2
  • AMF3


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Williams C, K Johnson, S Giangrande, J Hardin, R Öktem, and D Romps. 2021. "Identifying insects, clouds, and precipitation using vertically pointing polarimetric radar Doppler velocity spectra." Atmospheric Measurement Techniques, 14(6), 10.5194/amt-14-4425-2021.

Shupe M, D Chu, D Costa, C Cox, J Creamean, G de Boer, K Dethloff, R Engelmann, M Gallagher, E Hunke, W Maslowski, A McComiskey, J Osborn, O Persson, H Powers, K Pratt, D Randall, A Solomon, M Tjernstrom, D Turner, J Uin, T Uttal, J Verlinde, and D Wagner. 2021. Multidisciplinary drifting Observatory for the Study of Arctic Climate (MOSAiC) Field Campaign Report. Ed. by Robert Stafford, ARM user facility. DOE/SC-ARM-21-007.

Biscaro T, L Machado, S Giangrande, and M Jensen. 2021. "What drives daily precipitation over the central Amazon? Differences observed between wet and dry seasons." Atmospheric Chemistry and Physics, 21(9), 10.5194/acp-21-6735-2021.
Research Highlight

Kirshbaum D and K Lamer. 2021. "Climatological sensitivities of shallow-cumulus bulk entrainment in continental and oceanic locations." Journal of the Atmospheric Sciences, , 10.1175/JAS-D-20-0377.1. ONLINE.

Nascimento J, M Bela, B Meller, A Banducci, L Rizzo, A Vara-Vela, H Barbosa, H Gomes, S Rafee, M Franco, S Carbone, G Cirino, R Souza, S McKeen, and P Artaxo. 2021. "Aerosols from anthropogenic and biogenic sources and their interactions – modeling aerosol formation, optical properties, and impacts over the central Amazon basin." Atmospheric Chemistry and Physics, 21(9), 10.5194/acp-21-6755-2021.

Brendecke J, X Dong, B Xi, and P Wu. 2021. "Maritime Cloud and Drizzle Microphysical Properties Retrieved from Ship‐Based Observations during MAGIC." Earth and Space Science, 8(5), e2020EA001588, 10.1029/2020EA001588.

Bray M, D Turner, and G de Boer. 2021. "Evaluation of the Rapid Refresh Numerical Weather Prediction Model over Arctic Alaska." Weather and Forecasting, 36(3), 10.1175/WAF-D-20-0169.1.

Sedlar J, L Riihimaki, K Lantz, and D Turner. 2021. "Development of a Random-Forest Cloud-Regime Classification Model Based on Surface Radiation and Cloud Products." Journal of Applied Meteorology and Climatology, 60(4), 10.1175/JAMC-D-20-0153.1.

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