Wind profiles in the boundary layer over Kharagpur associated with synoptic scale systems |
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| Authors: | D K Paul S P Ghanekar B S Murthy K G Vernekar |
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| Institution: | (1) Indian Institute of Tropical Meteorology, 411 008 Pune, India |
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| Abstract: | Doppler sodar wind data for the boundary layer over Kharagpur obtained during MONTBLEX-1990 at a height interval of 30 m from
surface up to 1500 m have been analysed for the periods when intense synoptic scale disturbances from north Bay of Bengal
moved along the eastern end of the monsoon trough. The variation in the vertical wind profile in the lower boundary layer
over Kharagpur during the passage of synoptic scale disturbances has been discussed in the paper. The analysis indicates that
the mean winds over Kharagpur veered with height in the lower boundary layer near the surface suggesting divergence over Kharagpur
when the system lay south/southwest of the station. No such veering has been noticed when the centre of the system lay very
close to the station. |
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| Keywords: | Atmospheric Boundary Layer synoptic systems wind profile veering |
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