Fig. 6: Different perspectives (Eulerian, quasi-Lagrangian and Lagrangian) of the airflow around ARs, ETCs and WCBs.
From: A kinematic analysis of extratropical cyclones, warm conveyor belts and atmospheric rivers
a Plan view of isentropic ETC-relative streamlines (arrows), isentropic surface height (dashed), cold front (overlaid blue), moist air (light grey) and clouds (dark grey) from33. b Vertical cross-section of ETC-relative streamlines (arrows) across an ana-cold front, cold front (overlaid blue), saturated ascent (stippled), upper and low-level jets (labelled J) from36. c Plan view of an AR identified as region of high IVT (blue shading), TCWV (black contours), cold front (overlaid blue) from82. d Vertical cross-section through AR, water vapour flux (orange shading), specific humidity (green dashed), windspeed (blue) showing position of LLJ, cold front (overlaid blue thick) and cloud (stippled). e Coherent ensemble trajectories with high water vapour flux, mslp (dash-dot), position and motion (arrow) of low pressure centre 48 hours apart from38 f Vertical cross-section through trajectories with potential temperature (dash-dot), cold front (blue overlaid), high water vapour flux (dashed) from38.
