Articles | Volume 22, issue 12
https://doi.org/10.5194/acp-22-8321-2022
https://doi.org/10.5194/acp-22-8321-2022
Research article
 | 
28 Jun 2022
Research article |  | 28 Jun 2022

Temporal and vertical distributions of the occurrence of cirrus clouds over a coastal station in the Indian monsoon region

Saleem Ali, Sanjay Kumar Mehta, Aravindhavel Ananthavel, and Tondapu Venkata Ramesh Reddy

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Subject: Clouds and Precipitation | Research Activity: Field Measurements | Altitude Range: Troposphere | Science Focus: Physics (physical properties and processes)
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Cited articles

Ali, S., Mehta, S. K., Annamalai, V., Ananthavel, A., and Reddy, R.: Qualitative observations of the cirrus clouds effect on the thermal structure of the tropical tropopause, J. Atmos. Sol.-Terr. Phys., 211, 105440, https://doi.org/10.1016/j.jastp.2020.105440, 2020. 
Ananthavel, A., Mehta, S. K., Ali, S., Reddy, T. R., Annamalai, V., and Rao, D. N: Micro Pulse Lidar measurements in coincidence with CALIPSO overpasses: Comparison of tropospheric aerosols over Kattankulathur (12.82 N, 80.04 E), Atmos. Pollut. Res., 12, 101082, https://doi.org/10.1016/j.apr.2021.101082, 2021a. 
Ananthavel, A., Mehta, S. K., Reddy, T. R., Ali, S., and Rao, D. N.: Vertical distributions and columnar properties of the aerosols during different seasons over Kattankulathur (12.82 N, 80.04 E): A semi-urban tropical coastal station, Atmos. Environ., 256, 118457, https://doi.org/10.1016/j.atmosenv.2021.118457, 2021b. 
Annamalai, V. and Mehta, S. K.: Extreme variability of the tropical tropopause over the Indian monsoon region, Clim. Dynam., https://doi.org/10.1007/s00382-022-06264-7, 2022. 
Campbell, J. R., Welton, E. J., Spinhirne, J. D., Ji, Q., Tsay, S. C., Piketh, S. J., and Holben, B. N.: Micropulse lidar observations of tropospheric aerosols over northeastern South Africa during the ARREX and SAFARI 2000 dry season experiments, J. Geophys. Res., 108, 8497, https://doi.org/10.1029/2002JD002563, 2003. 
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Short summary
Multiple cirrus clouds frequently occur over regions of deep convection in the tropics. Tropical convection has a strong diurnal pattern, with peaks in the afternoon to early evening, over the continents. Continuous micropulse lidar observations over a coastal station in the Indian monsoon region enable us, for the first time, to demonstrate a robust diurnal pattern of single and multiple cirrus occurrences, with peaks during the late afternoon and early morning hours, respectively.
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