Please use this identifier to cite or link to this item: http://ktisis.cut.ac.cy/handle/10488/8740
Title: Sensitivity of high-resolution operational weather forecasts to the choice of the planetary boundary layer scheme
Authors: Akylas, Evangelos 
Kotroni, V.
Lagouvardos, K.
Keywords: Planetary boundary layer parameterisations
High-resolution forecasts
Issue Date: Aug-2006
Publisher: Elsevier Science Limited
Source: Atmospheric Research, 2006, Volume 84, Issue 1, pages 49–57
Abstract: In the frame of this paper three widely used planetary boundary layer parameterisations are evaluated for their ability to forecast near-surface temperature and wind speed. The analysis is based on the operational forecasts produced by the Pennsylvania State University — National Center for Atmospheric Research MM5 model over the Athens Area (Greece) during the warm period of 2002. The near-surface temperature and wind forecasts at a grid increment of 8 and 2 km over the highly complex terrain of the Athens Area are statistically verified against the available surface station observations. The results of the analysis showed that the increase in horizontal resolution (from 8 to 2 km) increases the forecast accuracy especially for temperature. As it concerns the forecast skill of each scheme it seems that the MRF scheme produces the best forecasts as it concerns the near-surface temperature while for the near-surface wind the ETA scheme gives the best results. Blackadar schemes present a consistently good behaviour for both temperature and wind forecasts.
URI: http://ktisis.cut.ac.cy/jspui/handle/10488/8740
ISSN: 0169-8095
DOI:  10.1016/j.atmosres.2006.06.001
Rights: Copyright © Elsevier B.V.
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