public void WholeForecast()
        {
            CsvEnsembleReader r = new CsvEnsembleReader(EnsembleTester.CacheDir);

            var t1 = new DateTime(2013, 11, 3, 12, 0, 0);
            var ws = r.Read("EastSierra", t1, t1.AddDays(1));

            var fn = @"c:\temp\ensemble-forecast.h5";

            File.Delete(fn);

            using (H5Assist.H5Writer h5 = new H5Assist.H5Writer(fn))
            {
                HDF5Ensemble.Write(h5, ws);
            }
            fn = @"c:\temp\ensemble-forecast-parallel.h5";
            File.Delete(fn);
            using (H5Assist.H5Writer h5 = new H5Assist.H5Writer(fn))
            {
                HDF5Ensemble.WriteParallel(h5, ws, -1);
            }
        }