by KNMI and ZAMG
The images from 30 and 31 January 2008 show three time steps in the live cycle of Rapid Cyclogenesis around 60 degrees North and 10 degrees West at 18.00 UTC, 00.00 UTC and 0600 UTC. At 00.00 UTC the system is in a developing stage and by 06.00 UTC the system has already reached the mature phase.
30 January 2008/18.00 UTC - Meteosat IR10.8 image; magenta: height contours 1000 hPa, cyan: height contours 500 hPa
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31 January 2008/00.00 UTC - Meteosat IR10.8 image; magenta: height contours 1000 hPa, cyan: height contours 500 hPa
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31 January 2008/06.00 UTC - Meteosat IR10.8 image; magenta: height contours 1000 hPa, cyan: height contours 500 hPa
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30 January 2008/18.00 UTC - Meteosat IR10.8 image; red: temperature advection 700 hPa; solid red line WA; dashed lined CA
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31 January 2008/00.00 UTC - Meteosat IR10.8 image; red: temperature advection 700 hPa; solid red line WA; dashed lined CA
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31 January 2008/06.00 UTC - Meteosat IR10.8 image; red: temperature advection 700 hPa; solid red line WA; dashed lined CA
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30 January 2008/18.00 UTC - Meteosat IR10.8 image; yellow: isotachs 300 hPa, black: zero line of shear vorticity 300 hPa
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31 January 2008/00.00 UTC - Meteosat IR10.8 image; yellow: isotachs 300 hPa, black: zero line of shear vorticity 300 hPa
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31 January 2008/06.00 UTC - Meteosat IR10.8 image; yellow: isotachs 300 hPa, black: zero line of shear vorticity 300 hPa
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30 January 2008/18.00 UTC - Meteosat IR10.8 image; red: positive vorticity advection (PVA) 300 hPa, blue: negative vorticity advection (NVA) 300
hPa, black: zero line of positive vorticity advection (PVA) 300 hPa
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31 January 2008/00.00 UTC - Meteosat IR10.8 image; red: positive vorticity advection (PVA) 300 hPa, blue: negative vorticity advection (NVA) 300
hPa, black: zero line of positive vorticity advection (PVA) 300 hPa
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31 January 2008/06.00 UTC - Meteosat IR10.8 image; red: positive vorticity advection (PVA) 300 hPa, blue: negative vorticity advection (NVA) 300
hPa, black: zero line of positive vorticity advection (PVA) 300 hPa
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30 January 2008/18.00 UTC - Meteosat WV6.2 image; magenta: height of PV = 1
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31 January 2008/00.00 UTC - Meteosat WV6.2 image; magenta: height of PV = 1
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31 January 2008/06.00 UTC - Meteosat WV6.2 image; magenta: height of PV = 1
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