Weather pictures & report of December 18 2010

 

Snow related to trough line.


Synopsis: at 500 hPa an almost stationary large cold pool over the Northsea. Within several several trough lines were whirling around the clock and one of them edges the northern parts of Belgium in early morning. It gave at my location an additional 2 cm on the already present 3 cm. Locally over the northern parts it was good  for 10 cm. All pictures were taken at Kampenhout (central Belgium). Hours in local time (CET). 

 

Surface analysis of December 18 2010 at 0700 CET. Black line over Holland and the north of Belgium concerns the trough line. (Source chart: Belgocontrol)

 
Loop of 9 surface analyses of December 18 between 0100-1000 CET with the weather plots. (Source: meteocentre.com)

 
Upper air analysis 500 hPa of December 18 2010 at 0100 CET. Cold pool over the northern Northsea with temperatures of -41°C. (Source chart: DWD via wetter3)

 
Upper air analysis 850 hPa of December 18 2010 at 0100 CET. Same cold pool visible in the lower levels with temperatures around -10°C. (Source chart: DWD via wetter3)

 
Loop of forecasted soundings for Brussels of December 18 between 0100-1300 CET. Unstable air, entire layer below freezing point, at 0700 CET tempo a bit moister. (Source: weatheronline.co.uk)

 
17-18/12/2010 2200-0615 CET. Satellite loop in the infra-red channel. Bright convective cloudiness over the Northsea with a line entering the Low Countries. (Source sat picture: Eumetsat via Sat24.com)

 

Radar loop (reflectivity in dBZ) between December 17-18 between 2210-1110 CET. Intensive precipitation of the trough line over northern parts of Belgium. (Source radar picture: Belgocontrol).

 

Some metars (hours in UTC) of Brussels Airport (EBBR). Translation: copy paste each obs via metar-decoder


EBBR 180120Z 21007KT CAVOK M05/M07 Q0995 R25L/290060 R02/790336 R25R/290055 TEMPO 4000 –SHSN
EBBR 180150Z 22008KT CAVOK M04/M06 Q0995 R25L/290060 R02/790336 R25R/290055 TEMPO 4000 SHSN
EBBR 180220Z 22008KT 6000 -SHSN FEW025 BKN042 M04/M05 Q0995 R25L/290060 R02/790336 R25R/290055 TEMPO 4000 SHSN BKN008
EBBR 180250Z 23008KT 2000 SHSN SCT007 BKN009 M03/M05 Q0995 R25L/////// R02/////// R25R/290066 TEMPO 1200 BKN008
EBBR 180320Z 22009KT 0800 R25L/1700N R25R/0800V1100N R02/1700U SN SCT002 BKN005 M03/M05 Q0995 R25L/////// R02/////// R25R/290066 TEMPO 0600 SN BKN004
EBBR 180350Z 22008KT 9999 -SHSN FEW010 SCT024 BKN030 M03/M06 Q0995 R25L/492020 R02/4999 R25R/491532 TEMPO 1200 SHSN BKN007
EBBR 180450Z 22008KT 9999 -SHSN FEW010 SCT024 BKN030 M03/M06 Q0995 R25L/492020 R02/4999// R25R/491532 TEMPO 1200 SHSN BKN007
EBBR 180450Z 22008KT 9999 -SHSN FEW010 SCT024 BKN030 M03/M06 Q0995 R25L/492020 R02/4999 R25R/491532 TEMPO 1200 SHSN BKN007
EBBR 180520Z 22009KT 9000 -SHSN FEW019 SCT025 BKN035 M03/M06 Q0995 R25L/492020 R02/4999// R25R/491532 NOSIG
EBBR 180520Z 22009KT 9000 -SHSN FEW019 SCT025 BKN035 M03/M06 Q0995 R25L/492020 R02/4999 R25R/491532 NOSIG
EBBR 180550Z 22012KT 9000 -SHSN SCT024 BKN038 M04/M07 Q0995 R25L/492020 R02/4999// R25R/491532 NOSIG
EBBR 180550Z 22012KT 9000 -SHSN SCT024 BKN038 M04/M07 Q0995 R25L/492020 R02/4999 R25R/491532 NOSIG
EBBR 180620Z 22012KT 9999 FEW024 BKN038 M04/M07 Q0996 R25L/492020 R02/4999// R25R/491532 NOSIG
EBBR 180620Z 22012KT 9999 FEW024 BKN038 M04/M07 Q0996 R25L/492020 R02/4999 R25R/491532 NOSIG
 

 

18/12/2010. Snow height in cm taken from the synops of 0600 UTC.

 
18/12/2010. View on snow deposit over the Low Countries. Over southern U.K. a heavy convective line which disrupted air traffic for days due to the large amounts of snow that had fallen.

 
18/12/2010. Closer view on snow deposit over the Low Countries.

 
18/12/2010 1026. Proof of the date in freshly 2 cm of snow.

 
18/12/2010 1022. Proof of 5 cm

 
18/12/2010 1031 NE. View into a field.

 
18/12/2010 1036. View of the Wilderse Dreef.

 
18/12/2010 1440 SW. View of another field.

 

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