Deep cyclone and strong windstorm over BeNeLux and Germany on January 12-13

[Last updated Jan 13, 10:15 UTC] A strong windstorm has hit parts of France, BeNeLux and Germany throughout the night and morning and is now moving towards NW Poland.

Deep cyclone Egon is now (10:15 UTC) moving over the Germany-Poland border after moving across N-CNTRL Germany through the night. The system caused strong winds and locally very strong snowfall over many locations.

Update 10:15 UTC: cyclone Egon has traversed Germany and is currently centered over extreme NE of the country. Current central MSLP is reported at 983 mbar and is gradually rising. Strong winds and snowfall have been reported from various locations in Belgium, Netherlands and Germany. An overview is being prepared.


Update 01:15 UTC: the cyclone continues to rapidly deepen, by 8 mbar in the past 3 hours (bombogenesis). The latest reported central mean sea level pressure is 980 mbar. Intense winds have been reported in Normandy, N France, gusting at 130 to nearly 150 km/h. The cyclone is currently centered over Belgium and is rapidly moving eastwards.


Update 22:50 UTC: the cyclone continues to rapidly deepen, by 8 mbar in the past 3 hours (bombogenesis). The latest reported central mean sea level pressure is 980 mbar. Intense winds have been reported in Normandy, N France, gusting at 130 to nearly 150 km/h. The cyclone is currently centered over Belgium and is rapidly moving eastwards.


Update 18:30 UTC:Latest view of the deepening low, currently centered over northern France, at a central mean sea level pressure 988 mbar.


Peak reported wind gusts are currently nearly 130 km/h (Basse-Normandie, N France; map Meteociel).

Update 15:30 UTC: latest surface analysis shows the cutoff cyclone forming over the English channel, as indicated by model guidance. Current MSLP is 998 mbar and is expected to drop rapidly over the evening.