| Weather pictures & report of December 1-2 2010 |
| Snow related to occlusion of cold pool. |
| Synopsis: at 500 hPa a cold pool moved to the northeast and related occlusion gave widespread snowfall giving an additional 4 cm (to the present 1 cm) at my location (Kampenhout). All pictures were taken at Kampenhout (central Belgium), except two of December 3 which were taken at Steenokkerzeel. Hours in local time (CET). |
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Surface analysis of December 1 2010 at 1900 CET. Occlusion lying almost
stationary over Belgium in easterly flow upper flow. (Source chart: Belgocontrol)
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Loop of 22 surface analyses (from Dec. 1 1600 CET till Dec. 2 0900 CET)
with the weather plots. (Source: meteocentre.com)
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Upper air analysis 500 hPa of December 2 2010 at 0100 CET. Cut-off low
(cold pool ) over northwest France is moving very slowly to the
northeast. (Source chart: DWD via wetter3)
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Upper air analysis 850 hPa of December 2 2010 at 0100 CET. The minus 12
degrees is almost overhead the Low Countries. (Source chart: DWD via wetter3)
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Loop of forecasted soundings for Brussels of December 2 2010 between
0830-1900 CET. Temperature over the entire layer is negative, becoming
from 1800 CET onwards also saturated with frontal inversion also well
visible. (Source: RASP)
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Another loop of forecasted soundings for Brussels between December 1 1300 CET and
December 3 0100 CET. Clear evidence of the incoming cold pool. (Source: weatheronline.co.uk)
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01/12/2010 1330-1900 CET. Satellite loop in the infra-red channel.
Whirling cloudiness around the vortex over northwest France. (Source sat picture: Eumetsat via
Sat24.com)
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Radar loop (reflectivity in dBZ) of between December 1 1300 CET and December 3 0400 CET. Intensifying precipitation affected mid Belgium, later during the night it moved towards the border of Holland and became stationary. The echo's disappeared only during the night of December 2-3. (Source radar picture: Belgocontrol)
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Some metars (hours in UTC) of Brussels Airport (EBBR). Translation: copy paste each obs via
metar-decoder
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02/12/2010. Snow height in cm taken from the synops of 0600, 0900 & 1200 UTC.
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Min temperatures of December 3 were is many parts the lowest
of the cold wave.
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01/12/2010 1624 N. In late afternoon first flurries came down.
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02/12/2010 0049. After a few cm had fallen, a visit was made in the
village where I live: in front the church , on the right former
town hall which is fully restored.
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02/12/2010 0055. Taken from another angle.
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02/12/2010 0121. View on de Haachtsesteenweg covered by slush.
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02/12/2010 0128. View on a secondary road covered by packed snow.
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02/12/2010. During daylight: proof of the date.
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02/12/2010. Proof of the 5 cm.
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02/12/2010 1310. A walk in the park.
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02/12/2010 1324. View on the frozen pool.
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02/12/2010 1333. Some pedestrians were before me.
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02/12/2010 1335.
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02/12/2010 1349. Classic view into the Wilderse dreef.
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03/12/2010 1329. Village of Steenokkerzeel in misty surroundings.
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03/12/2010 1332. Village of Humelgem.
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03/12/2010 2018. Night shot in a field somewhere in Kampenhout.
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