Articles | Volume 22, issue 12
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,, 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,, 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,, 2021b. 
Annamalai, V. and Mehta, S. K.: Extreme variability of the tropical tropopause over the Indian monsoon region, Clim. Dynam.,, 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,, 2003. 
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.
Final-revised paper