12 Meteorological data handling
12.1 Introduction ..................................................................................................................................... 2
12.2 Meteo Object: the data container .................................................................................................. 2
12.3 Meteo Object – tab by tab .............................................................................................................. 3
12.3.1 Guide – including online data description ..................................................................................... 3
12.3.2 Purpose ......................................................................................................................................... 7
12.3.3 Data .............................................................................................................................................. 8
12.3.3.1 Import setup .......................................................................................................................... 8
12.3.3.2 Calibration ........................................................................................................................... 11
12.3.3.3 Configuration ....................................................................................................................... 13
12.3.3.4 Data setup ........................................................................................................................... 18
12.3.3.4.1 The Add… button: adding & generating wind data at new heights ................................. 23
12.3.3.4.2 Remove tower shading: Add merged height ................................................................... 24
12.3.3.5 Time series ......................................................................................................................... 34
12.3.3.6 Frequency table .................................................................................................................. 36
12.3.3.7 Weibull ................................................................................................................................ 36
12.3.3.8 Turbulence .......................................................................................................................... 37
12.3.4 Graphics ...................................................................................................................................... 39
12.3.4.1 Time series ......................................................................................................................... 39
12.3.4.2 Weibull/Table ...................................................................................................................... 41
12.3.4.3 Turbulence .......................................................................................................................... 42
12.3.4.4 Rose view ........................................................................................................................... 42
12.3.4.5 Wind speed difference ........................................................................................................ 43
12.3.4.6 General XY graph ............................................................................................................... 43
12.3.4.7 Profile .................................................................................................................................. 44
12.3.5 Statistics ...................................................................................................................................... 46
12.3.6 Shear .......................................................................................................................................... 49
12.3.7 Mesoscale terrain ....................................................................................................................... 50
12.3.8 Report ......................................................................................................................................... 51
12.4 Meteo analyser .............................................................................................................................. 52
12.5 Meteo analyser: tab by tab ........................................................................................................... 53
12.5.1 Data: overview and selection of data .......................................................................................... 53
12.5.2 Graphics: Compare time series .................................................................................................. 54
12.5.3 Substitute: Perform data substitutions ........................................................................................ 55
12.5.4 Cross predict: WAsP vertical and horizontal extrapolation ......................................................... 56
12.5.5 Time variation: complete 1 year of data ..................................................................................... 59
12.5.6 Scaling – create a new scaled time series using the Scaler ...................................................... 61
12.5.7 RSD verification .......................................................................................................................... 67
12.6 Flagging and data screening ....................................................................................................... 68
12.6.1 What is a flag? ............................................................................................................................ 68
12.6.2 Building conditions ...................................................................................................................... 69
12.6.3 Multiple conditions ...................................................................................................................... 72
12.6.4 Actions for flags .......................................................................................................................... 72
12.6.5 Flags in Meteo Analyser ............................................................................................................. 74
12.6.6 Import/Export flags ...................................................................................................................... 74
12.6.7 Showing flags in time series graph ............................................................................................. 75
12.6.8 Showing flags in time series table .............................................................................................. 76
12.6.9 Showing flags in XY graph and Wind Speed Relations graph ................................................... 76
12.6.10 Cleaning data with flags .......................................................................................................... 77