Physics
Scientific paper
Jun 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011jastp..73..965r&link_type=abstract
Journal of Atmospheric and Solar-Terrestrial Physics, Volume 73, Issue 9, p. 965-985.
Physics
Scientific paper
Short-term prediction of wind variations as a function of height using the PSU/NCAR MM5 model with an optimum horizontal resolution of 3 km, and assimilation of meso-network measurements of PRWONAM, has been carried out for the southern peninsular region of India. The studies were made within the framework of the PRWONAM programme. The observed wind data used here are from the MST radar at Gadanki and GP Sondes at a few locations (SHAR, Bangalore, Gadanki, Chennai, Arakkonam, Cochin) in the peninsular region. During the southwest monsoon season, the wind fields showed coherent pattern in the vertical unlike during the spring season. Comparisons in wind variations between predictions and observations for Gadanki revealed an average bias of 3.84 m s-1 in the predicted mean wind above 8 km during the spring season, with 75% (63%) of instantaneous predictions falling in ±5 m s-1 error bounds with (without) bias correction. The percentage within these limits below 8 km altitude is 90%.
Narendra Reddy N.
Ramakrishna G.
Rao Kusuma G.
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