… has two different modes which are separated both spatially and … upper-westerly jet stream
flowing further north of the high … anticyclone in July along the upper tropospheric jet stream. …

… Observations across the North Atlantic jet stream with high … However, this study finds large
and spatially coherent wind errors … The differences are large enough to influence forecasts of …

… Seasonal changes of the AC type were also consistent for … When baroclinity in the upper
tropospheric layers increases, … K in the Northern Hemisphere and the spatial distribution of the …

… The upper-tropospheric jet stream has a quasi-annular structure in summer and a spiral-like
pattern … Because the AO is the dominant pattern in the Northern Hemisphere in winter and it …

… the jet stream and a low-temperature center on the north side … Nevertheless, the
corresponding spatial difference … index and the mid-upper tropospheric temperature. (B) Time …

… Seasonal changes in atmospheric circulation and sea … that the spatial peaks covary with the
Gulf Stream location and … (M, Figure S7), with the upper tropospheric level taken at 850 hPa (…

… of the zonal winds and jet stream amplification are observed at … The upper-tropospheric
wave packet ends with an area of … relationship between different phases of ENSO and spatial–…

… In section 4we discuss the representation of jet streams and … a result of internal variability,
we will compare with the CESM1 … the spatial mean bias is more than 10% of the ERA5 spatial …

… steady jet stream in the strato–mesosphere. We studied spatial spectra for the vertical velocity
variations, … with the upper-tropospheric convection, surface topography, and stratospheric …

… the jet stream, the fast flowing winds in the upper tropospheric mid… To assess this, we calculate
the spatially averaged surface … We compare two different reanalysis datasets ERA-5 (dark …