Articles | Volume 34, issue 1
Ann. Geophys., 34, 123–132, 2016
Ann. Geophys., 34, 123–132, 2016
Regular paper
25 Jan 2016
Regular paper | 25 Jan 2016

Modulation of surface meteorological parameters by extratropical planetary-scale Rossby waves

K. Niranjan Kumar et al.

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Signatures of Rossby wave modulations in aerosol optical depth over the central Himalayan region
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The link between upper-tropospheric planetary-scale Rossby waves and surface meteorological parameters is examined. The propagating Rossby waves along with undulations in the subtropical jet create convergence and divergence regions in the mid-troposphere. The surface relative humidity, wind speeds, and temperature are synchronized with the phase of the propagating Rossby waves. The present study finds important implications for medium-range forecasting through Rossby wave propagation.