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Belgian weather blog May 2009



Date
Weather news
TxBE (°C)
TxBR (°C)
1 Partly cloudy with Cu. Today, late afternoon, a few rumbles of thunder over provinces Liège & Luxembourg. 
bl 24,7
20,7
2 After a sunny start becoming St overcast from 0800 on, lifting to Sc by 1100. Tempo some large breaks in the afternoon & evening. bl 21,4 17,0
3 Rather cloudy with Ac, As, Cs. Light rain 1100-1200. Afternoon Cu, Sc with some larger breaks. bl 17,2 14,6
4 Starting sunny, from 1000 Cu, from noon tempo numerous, late afternoon decreasing but by then invading Cs, Ac. bl 16,5 14,4
5 Very cloudy to overcast with Sc, Ac, As. Slight rain drizzle 0300-0700 & couple of times during the day. fn 17,0 14,8
6 Very cloudy to overcast with Sc, by sunset clearing skies. fn 17,6 16,8
7 Cloudy to partly cloudy with Cu, Sc. Towards midnight a weak thunderstorm over Hainaut. bl 21,8 19,1
8 Cloudy to partly cloudy with Cu, Sc. Couple light showers 1500-1600. Afterwards clearing skies. Today, from midnight till the morning, weak to moderate thunderstorms over provinces Hainaut, Namur, Luxembourg, Liège & Limbourg.  bl 18,9 17,3
9 Starting with thick Cs, but between 1000-1300 tempo quite sunny. Afterwards becoming very cloudy with As & between 1800-1900 some light rain followed by large breaks.  bl 20,0 17,5
10 Sunny with some Ci, thickening from 1600 on. Tempo few Cu 1200-1600. Ac from 1800 on. bl 23,5 21,2
11 Light rain 0700-1000 = < 0,5 mm. Afterwards remaining cloudy to very cloudy with Cu, Sc. bl, sz, bt 19,0 18,2
12 Light rain 1230-2100 = 2 mm. Today, early morning, a few rumbles of thunder in provinces of Luxembourg & Liège. gh 18,3 13,2
13 Starting Sc overcast, large breaks from noon, later invading Cs, Ac, As. Some light rain from 2230 on. Today, afternoon & evening, a few weak to moderate thunderstorms over provinces Namur, Hainaut & Oost-Vlaanderen.   bl 22,2 19,8
14 Very cloudy with Sc, but larger breaks by noon. From 1530 rumbles of thunders were heard, by 1700 showers accompanied by weak to moderate thunderstorms lasting till 2030, afterwards rain till 2300. Total = 13 mm. Today, from afternoon on, over all provinces weak to moderate thunderstorms, locally with flash flooding (in places like Veltem, Bertem, Oudenaarde, Gent, Mariakerke (Oost-Vlaanderen), Roeselare, Gembloux, Genval). Officially highest amount of rainfall: Ernage 36 mm, Steenokkerzeel 20 mm, Diest 18 mm. aw 21,8 20,9
15 Very cloudy to overcast with Sc, Ac, Cs. Between 1525-1540 passage of an heavy rain shower accompanied by one thunder = 4 mm. Couple more showers around 1900 & 2300 = 2 mm. Today, in afternoon, weak to moderate thunderstorms over provinces Hainaut, Brabant, Antwerp, West- & Oost-Vlaanderen. bl 19,1 17,2
16 Starting sunny, after 0930 turning very cloudy with Sc. Today, during the evening, a few weak thunderstorms over province West-Vlaanderen.  bl 19,4 16,8
17 Light rain 0130-0930 = 4 mm. Afterwards very cloudy with As till 1500. Then more breaks with Cu.  bl 18,3 16,7
18 Starting sunny, from 0900 Cu, Sc with a couple of light rain showers 2015-2145. bl 20,3 18,1
19 Starting quite sunny but with lots of Ci, from 1000 also Cu; even a few light showers 1700-1800. Today, late afternoon, a few rumbles of thunder over province Liège. bl 23,0 20,3
20 Quite sunny but with lots of Ci, Cs. Between 1200-1800 a few Cu. bl 24,0 20,8
21 Quite sunny but with lots of Ci. From 1100 partly cloudy with Cu, Sc. Late afternoon Ci disappeared. Today, late afternoon early evening, a couple severe thunderstorms (supercells) over province Luxembourg. bl 24,2 20,3
22 Quite sunny with tempo a few Cu from 1000 till the evening. bl 22,4 19,0
23 Starting sunny with few Ci, after 1500 invading Cs, As, Ac. Light rain from 1800 = < 0,5 mm by midnight. bl 25,1 22,4
24 Rain eased off by 0100. During the daylight hours sunny with some Ci and tempo a few Ac. bl 28,3 24,8
25 Starting sunny, by noon invading Cs, As. A few drops around 1500. Clearing skies by 1800. Today, from early afternoon on, a severe thunderstorm over provinces Namur, Liège & Luxembourg with isolated hail stones of 4 cm. Late evening also some moderate to severe thunderstorms over province West-Vlaanderen. bl 29,2 26,1
26 Between 0255-0315 passage of a severe thunderstorm with heavy rain (intensity up to 105 mm), some hail and severe gusts topping 58 kt (according a wind meter at Steenokkerzeel). Afterwards rumbles till 0400 with some light rain. Total 13 mm. Daylight starting with some breaks in Sc, soon overcast with tempo some rain 1100-1500 = 1 mm. Large breaks from 1800 onwards. Today, early morning, some severe thunderstorms over the provinces Hainaut, Oost-Vlaanderen, Brabant & Antwerp. Some locations in Hainaut (Ellezelles) & Oost-Vlaanderen (Wetteren, Destelbergen, Sint-Gillis Waas) received hailstones 4-10 cm with the passage of a supercell. Parts in Hainaut, Brabant & Antwerp had wind damage due to severe gusts exceeding 55 kts, with the passage of a squall line. An in-depth pictorial report can be found here. bl 22,2 18,9
27 Starting sunny with some Sc, later Cu. By noon very cloudy. Light rain from 1400 = 1 mm by midnight. bl 16,6 14,5
28 Light rain drizzle eased off 0030. Remaining St Sc overcast till noon, then some breaks with Cu Sc Towards sunset again a Sc layer.  bl 21,9 18,6
29 Starting sunny, between 0930-1030 tempo a few Cu,  towards sunset some Ci in the east. bl 22,6 21,0
30 Sky clear, towards sunset some Ci from the northeast. In the early morning the first faint noctilucent clouds of the new season were visible. bl 24,0 22,0
31 Quite sunny with some thick Ci, from 1100 also Cu, Sc till sunset. bl 25,2 22,8

Note: all times are Central European Time

Legend: TxBE (°C) = Top Tmax Belgium, TxBR (°C) = Tmax Zaventem. aw = Deurne, be = Beauvechain, bl = Kleine Brogel, br = Zaventem, bt = Beitem, ci = Charleroi, cv = Chièvres, dt = Diest, er = Ernage, fn = Koksijde, fs = Florennes, gh = Ghent, lb = Elsenborn, lg = Bièrset, mr = Mont-Rigi, os = Ostend, sh = Saint-Hubert, sp = Spa, sz = Semmerzake, uk = Ukkel.

 


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