Meteorological Applications

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Climatology of super‐refraction and trapping layers conditions over Central and West Africa
Meteorological Applications - Tập 28 Số 4 - 2021
Samuel Kaïssassou, Lucie A. Tchotchou Djiotang, A. J. Komkoua Mbienda, Brice Ekobo, B. Ndzana, Roméo S. Tanessong, G. M. Guenang, Derbetini A. Vondou
AbstractThe propagation of radio electric waves emitted from ground‐based meteorological instruments is determined through stratification of the atmosphere. In super‐refractive cases characterized by strong temperature inversions or strong vertical moisture gradients, the radar beam can be deflected towards the ground (trapping). This phenomenon often results in sp...... hiện toàn bộ
Novel approaches for air temperature prediction: A comparison of four hybrid evolutionary fuzzy models
Meteorological Applications - Tập 27 Số 1 - 2020
Hamed Kashi, Saeed Farzin, Vijay P. Singh, Özgür Kişi, Hojat Karami, Hadi Sanikhani
AbstractThe application of a novel method of adaptive neuro‐fuzzy inference system (ANFIS) for the prediction of air temperature is investigated. The paper discusses the improvement of the ANFIS when used with genetic algorithm (GA), particle swarm optimization (PSO), ant colony optimization for continuous domains (ACOR) and differential evolut...... hiện toàn bộ
Objective identification of frontal wave cyclones
Meteorological Applications - Tập 4 Số 4 - Trang 311-315 - 1997
Tim Hewson
AbstractThis brief paper further develops the objective front‐plotting methodology described in Hewson (1996), to enable the tips of frontal wave cyclones to also be objectively identified. The method embraces a new definition of frontal waves, but is analogous to operational practice in that these waves are located where cold and warm fronts join. It is suggested ...... hiện toàn bộ
The impact of radar and raingauge sampling errors when calibrating a weather radar
Meteorological Applications - Tập 3 Số 1 - Trang 43-52 - 1996
Alan Seed, John Nicol, G. L. Austin, C. D. Stow, Stuart Bradley
AbstractThis paper investigates the impact of sampling errors on the estimation of the parameters of the relation Z = aRb used in the measurement of rainfall (R) from radar reflectivity (Z). Simulation results show that, at levels of sampling errors likely to be observed in real data sets, of the order 100 gauge and radar observation pairs are ...... hiện toàn bộ
The spatial and temporal sampling errors inherent in low resolution radar estimates of rainfall
Meteorological Applications - Tập 18 Số 3 - Trang 354-360 - 2011
P. E. Shucksmith, L. Sutherland‐Stacey, G. L. Austin
AbstractThe errors introduced into radar estimates of rainfall by making observations at spatial and temporal resolutions that are coarse compared with precipitation systems' characteristic length and time scales are explored in this study. High resolution (200 m, 50 s) X‐band radar data from 48 mid‐latitude precipitation events are downgraded progressively in spat...... hiện toàn bộ
Crop evapotranspiration assessment under climate change in the Pannonian basin during 1991–2050
Meteorological Applications - Tập 24 Số 1 - Trang 84-91 - 2017
Mărgărit‐Mircea Nistor, Sorin Cheval, Alessandro F. Gualtieri, Alexandru Dumitrescu, Vanessa Botan, Alex Berni, Gheorghe-Gavrilă Hognogi, I. A. Irimuș, Cosmin G. Porumb‐Ghiurco
ABSTRACTThe impact of climate on crop evapotranspiration (ETc) was assessed in the Pannonian basin for the present (1991–2020) and future (2021–2050). Annual temperature, annual precipitation and monthly potential evapotranspiration are the main climate data used in the present study. The European land cover database was used for the spatial re...... hiện toàn bộ
Validation of remote-sensing precipitation products for Angola
Meteorological Applications - Tập 22 Số 3 - Trang 395-409 - 2015
Sandra Pombo, Rodrigo Proença de Oliveira, André Mendes
Assessing the spatial and temporal variation in the skill of precipitation forecasts from an NWP model
Meteorological Applications - Tập 15 Số 1 - Trang 163-169 - 2008
Nigel Roberts
AbstractIt is becoming increasingly important to be able to verify the spatial accuracy of precipitation forecasts, especially with the advent of high‐resolution numerical weather prediction (NWP) models. In this article, the fractions skill score (FSS) approach has been used to perform a scale‐selective evaluation of precipitation forecasts during 2003 from the Me...... hiện toàn bộ
Current issues in wind energy meteorology
Meteorological Applications - Tập 21 Số 4 - Trang 803-819 - 2014
Stefan Emeis
ABSTRACTThis review discusses some of the current issues in wind energy meteorology from the viewpoint of a meteorologist. The focus is on four major subjects: (1) the wind potential, (2) the influence of major terrain inhomogeneities on this wind potential, (3) diurnal wind variations and (4) the impact of wind turbines and wind parks on the flow. The wind potenti...... hiện toàn bộ
A significant wind shear event leading to aircraft diversion at the Hong Kong international airport
Meteorological Applications - Tập 19 Số 1 - Trang 10-16 - 2012
Pak Wai Chan
AbstractA significant wind shear event occurred in the early morning of 27 December 2009 at the Hong Kong International Airport (HKIA), leading to the diversion of three aircraft to the airport of Shenzhen (about 39 km to the north‐northwest of HKIA). This paper documents the meteorological observations and predictions for the event. The significant wind shear aros...... hiện toàn bộ
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