Weather pictures & report of June 8 2003

 

MCS (squall line) thunderstorms along convergence line.


Synopsis: advection of unstable warm and moist air from northern France towards Belgium. A convergence line crossed Belgium during the morning/forenoon in which an MCS did form on a squall line. A shelf cloud was noted in almost the entire Benelux during this event. Photos taken at Kampenhout in Central European Time (CET).

 

Radar picture of 10:00 CET showing a bow echo over parts of Belgium and Holland. (Source: weerkamer).

 

Satellite picture of 08:46 CET showing a line of  Cb tops in the convergence zone. (Source: NOAA & Meteo-Strasbourg)

 

08/06/03 10:00 WNW. Near the horizon first appearance of a shelf cloud with in front castellanus alike clouds.

 

08/06/03 10:15 WNW. Shelf cloud becomes clearly visible with below vaguely an arcus.

 

08/06/03 10:16 NW. View a bit more northwards.

 

08/06/03 10:20 NW. Shelf cloud with arcus.

 

08/06/03 10:21 WNW. There was lightning just behind the arcus.  

 

08/06/03 10:22 NNW. Quite impressive shelf cloud in length, spread north-southwards.

 

08/06/03 10:24 WNW. Behind the shelf cloud, a whale's mouth becomes visible. Winds began to pick-up, but without being violent.

 

08/06/03 10:25 WNW. Worst to fear when looking inside the whale's mouth, but things turned out to be quite modest.

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