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Belgian weather blog October 2006

Weather news
1 Just after midnight more lightning and passage of a weak thunderstorm via the east. During the day starting sunny, soon invading Ci, Cs, Ac & As with slight rain around 1315. Afterwards breaking clouds with few Cu remaining. After 1700 building TCu & Cb cloudiness in NW. One slight rain shower passed around 1830. Around sunset for more than an hour some fantastic intra cloud lightning in N. This animation shows a supercell which spawned a weak tornado near Duffel, and this animation shows another supercell with lots of lightning. Full pictorial report to be found here. Top Tmax: Kleine Brogel 21,3C, Zaventem had 20,6C. Today in afternoon and evening multiple severe thunderstorm activity over West & Oost-Vlaanderen, Antwerp, Brabant & Hainaut. Some of them were splitting supercells with at Tubize & Petit-Roeulx-lez-Braine (Braine-le-Compte) touch down of an F1 tornado with severe damage on some farmhouses, and this was presumable also the case at Koningshooikt (Duffel) with some damaging effects on greenhouses. On several locations hailstones between 1-3 cm were observed, this was the case near Bruges, Kortrijk, Merksem, Herentals and Haasrode. Also some weaker thunderstorm were noted over provinces of Limbourg and Luxembourg. 
2 A light rain shower around 0700, afterwards remaining very cloudy with Sc As, but some breaks late afternoon. Top Tmax: Ghent 19,3C, Zaventem had 18,4C. Today in early morning some weak thunderstorms along the coast.
3 Light rain between 0500-0900 giving 1 mm, afterwards mostly very cloudy with Sc Ac, but some larger breaks did occur around 1300. Nice sunset. Top Tmax: Ghent 17,8C, Zaventem had 16,5C.  
4 From 0700 a couple of light rain showers, in afternoon these were sometimes moderate in intensity, giving a total of 4 mm. On one of these showers a whale's mouth was briefly formed. Top Tmax: Kleine Brogel 17,6C, Zaventem had 15,6C. Today in afternoon some rumbles of thunder were heard over provinces of Oost-Vlaanderen, Antwerp, north of Brabant, Limbourg and Namur.
5 Starting sunny with some Ci + few St Sc becoming cumuliform towards noon. During afternoon invading Cs & As with slight rain from 1900 onwards. After 2100 picking up winds with intensifying rain & drizzle: at midnight 3 mm. Top Tmax: Kleine Brogel 17,6C, Zaventem had 16,6C.
6 Overcast with intermittent light rain. Some drier moment in afternoon with around 1400 even a few short breaks. More intense rain between 1800-2100. Total 10 mm in collector. Top Tmax: Chivres, Beauvechain, Diest & Zaventem 17,8C.  
7 During the night a couple of rain showers, easing off during forenoon: total 2 mm. Afternoon remaining dry and cloudy to partly cloudy with Cu Sc. Top Tmax: Kleine Brogel 18,0C, Zaventem had 15,5C.
8 Starting sunny with some Ci, in afternoon tempo flat fair weather Cu. Top Tmax: Kleine Brogel 18,5C, Zaventem had 16,9C. 
9 Starting sunny with some Ci, in afternoon also scattered Sc. Slight rain between 1900-2230. Top Tmax: Charleroi 20,7C, Zaventem had 20,4C.
10 Between 0400-0900 showery rain, sometimes moderate intensity, giving a total of 11 mm. Remaining very cloudy with Sc St, breaking clouds and becoming cumuliform from 1200 onwards. Top Tmax: Chivres 22,3C, Zaventem had 20,2C.
11 Starting sunny with some Cirrus, after 1800 tempo some Sc fields. Top Tmax: Kleine Broge 23,1C, Zaventem had 21,9C.  
12 During the morning increasing Ac, Sc cloudiness, from noon on also St with tempo some slight rain drizzle between 1400-1730. Clearing skies after 2000. Top Tmax: Kleine Brogel 19,7C, Zaventem had 18,2C.
13 After fog patches in morning, sunny day with Cirrus and in afternoon tempo a few fair weather Cu. Towards sunset tempo Sc overcast from NE, breaking again after 2200 with formation of fog patches. Top Tmax: Kleine Brogel 19,7C, Zaventem had 17,8C.
14 Misty night with Stratus and slight drizzle between 0500-0800. First breaks from 1400 on, clearing skies after 1600. Top Tmax: Chivres 19,0C, Zaventem had 17,3C.
15 Misty night & morning, sunny day, after sunset turning misty again. Top Tmax: Koksijde 18,5C, Zaventem had 16,7C.
16 Misty night, improving visibilities during forenoon but still sunny. Towards sunset few Cirrus. Top Tmax: Chivres 21,4C, Zaventem had 18,4C.
17 Starting sunny with some Cirrus, late afternoon increasing Ci Cs from SW. Top Tmax: Ukkel 19,6C, Zaventem had 18,6C.
18 Mostly very cloudy with Ac, As and some light rain around 0200, 0900, between 1130-1300, around 1800 and from 2130 onwards. Total 3 mm. Top Tmax: Kleine Brogel 19,5C, Zaventem had 17,4C.
19 Rain eased off after 0030. Very cloudy with Ac As, from early afternoon on breaking clouds with few Cu, Sc and some Ci remaining. Top Tmax: Diest, Chivres, Semmerzake 19,4C, Zaventem had 18,7C.  Today, late afternoon, a weak thunderstorm over the south of province Namur & Luxembourg.
20 Cloudy to very cloudy with Sc, light rain around 0200 and between 1400-1600 collecting a total of 1 mm. Afterwards breaking clouds. Top Tmax: Diest 18,2C, Zaventem had 16,5C.
21 Starting quite sunny, from 1100 cloudy to very cloudy with Sc, Ac, later also invading Cs. Top Tmax: Kleine Brogel & Diest 17,6C, Zaventem had 16,5C. Today, around 2300, a couple rumbles of thunder were heard over province of Antwerp.
22 Starting quite sunny with Ci and few Sc. During forenoon invading Cs, later also some Ac shields. Tempo some larger breaks between 1400-1500. Afterwards increasing Cs, Ac & Sc with from 2100 on rain, sometimes moderate, giving 5 mm by midnight. Top Tmax: Diest 20,1C, Zaventem had 18,7C.
23 Cloudy with Sc, Ci later also Cu. A heavy rain shower between 1300-1315, repeated between 1445-1515 with a couple of thunders. Both gave a total of 23 mm. Afterwards some breaks, but soon invading Cs, As, Ac. Showery rain between 2015-2130 giving 5 mm, afterwards clearing skies. Top Tmax: Chivres 19,7C, Zaventem had 18,6C. Today, in afternoon, weak thunderstorm activity over provinces of Brabant & Antwerp. In the evening also weak to moderate activity over provinces of West & Oost-Vlaanderen & weak activity over provinces of Hainaut, Brabant & Luxembourg.  The thunderstorm along the coast, between 2020-2050, gave some severe gusts: at Koksijde airfield 57KT and at Ostend airport 51KT. Formation of a weak tornado and/or waterspout can not be excluded.
24 From 0500 on showery rain, around noon tempo some severe gusts up to 41KT. Last shower fell around 1800 and a total of 8 mm was collected. Top Tmax:  Chivres 15,3C, Zaventem had 14,9C. Maximum gust was observed at Florennes: 43KT.
25 Cloudy to very cloudy with Ac. Some rain between 1945-2030. Top Tmax: Kleine Brogel 17,2C, Zaventem had 15,5C.
26 Partly cloudy to cloudy with Ac, Ci. After 1800 invading Sc from SW. Top Tmax: Diest 23,5C, Zaventem had 21,7C.
27 Starting quite sunny with some Ci, from 1500 on very cloudy with Sc. Top Tmax: Kleine Brogel 17,8C, Zaventem had 14,8C.
28 Mostly very cloudy with Sc and tempo some slight rain as well. Top Tmax: Ghent 17,8C, Zaventem had 16,8C. 
29 Some light rain & drizzle between 0030-0300 giving <1 mm. Remaining very cloudy with St Sc till 0830, afterwards breaking clouds and becoming cumuliform. Top Tmax: Kleine Brogel 18,8C, Zaventem had 16,6C.
30 Partly cloudy with some Ci, Sc, Ac fields. Top Tmax: Diest 16,5C.
31 Becoming very cloudy with Sc in morning. Between 1130-1330 light rain-drizzle. From 1400 on breaking clouds and becoming cumuliform. Light rain showers from 1930 on. Top Tmax: Semmerzake 16,4C, Zaventem had 15,3C.

Note: all times are Central European Time



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