Variations in vertical temperature profile of extratropical cyclones under different environmental conditions

A. A. Karakhanyan; S. I. Molodykh

doi:10.1117/12.2205668

19 November 2015 Variations in vertical temperature profile of extratropical cyclones under different environmental conditions

A. A. Karakhanyan, S. I. Molodykh

Author Affiliations +

Proceedings Volume 9680, 21st International Symposium Atmospheric and Ocean Optics: Atmospheric Physics; 96806D (2015) https://doi.org/10.1117/12.2205668
Event: XXI International Symposium Atmospheric and Ocean Optics. Atmospheric Physics, 2015, Tomsk, Russian Federation

Abstract

We study variations in the vertical temperature profile in central parts of warm and cold sectors of extratropical cyclones which emerge and evolve in the Northern Hemisphere during solar minimum. Dynamics of the vertical temperature profile during cyclogenesis over the land and ocean under quiet and disturbed geomagnetic conditions is analyzed. The classic cyclolysis occur under quiet geomagnetic conditions; the temperature decreases in the warm sector and increases in the cold one at a level up to 300 hPa. Under disturbed geomagnetic conditions, there is a slow increase in temperature in the cold sector. The warm sector of the cyclone is characterized by a small increase and stabilization of temperature, which perhaps results in slow cyclolysis and in increased lifetime of cyclones.

Citation Download Citation

A. A. Karakhanyan and S. I. Molodykh "Variations in vertical temperature profile of extratropical cyclones under different environmental conditions", Proc. SPIE 9680, 21st International Symposium Atmospheric and Ocean Optics: Atmospheric Physics, 96806D (19 November 2015); https://doi.org/10.1117/12.2205668

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