North America (1000 hPa | 500 hPa | 1000+500 hPa) - Europe (1000 hPa | 500 hPa | 1000+500 hPa) 500 hPa vorticity centres (trajectories and intensities)
4-panel animations: a) Filtered 500 hpa H, b) Original 500 hPa H, c) Filtered Rel. Vort., d) Filtered Rel. Vort. > Threshold
Maps updated around 07z and 19z |
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