Weather pictures & report of August 21 2006

 

Multi-cell thunderstorms along trough line.


Synopsis: steering feature was a low of 1005 hPa over Scandinavia. During the afternoon, an unstable occlusion crossed our area with weak thunderstorms. In the postfrontal maritime air a trough line developed crossing the area during the evening with moderate thunderstorms. All pics taken at Steenokkerzeel in local time (CET). 

 

Satellite picture at 2000 CET. Multi-cell thunderstorms over central and east Belgium. My location was at the white "S". (Source satpicture: Meteosat and Dundee University)

 

Radar sequence between 1850-2020 CET. My location was near "BR". A trough line with thunderstorms is moving ESE wards with tops up to 8 km. (Source radar picture: Belgocontrol)

 

21/08/2006 1930-1935 SE. Behind a thunderstorm, a whale's mouth effect just before a new shower arrived.

 

21/08/2006 1953-2000 NE. When breaks started to appear, this sunlit mammatus effect was captured on motion. 

 

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