As it weakened, the front moved north into Scotland on 16 June and left England and Wales with a very unstable airmass, frequent heavy showers, thunderstorms and cloudy conditions.
Rainfall records were broken across the region, leading to localised flooding. At the same time, an associated occluded front moved into Northern England, becoming very active as it did so with the peak rainfall on 15 June. Later that week, a slow-moving area of low pressure from the west of Biscay moved east across the British Isles. From 10 June the high pressure began to break down as an upper trough moved into the area, triggering thunderstorms that caused flooding in Northern Ireland on 12 June. June 2007 started quietly with an anticyclone to the north of the United Kingdom maintaining a dry, cool easterly flow. Meteorological background Īdministrative areas affected in June and July 2007 floods as of 24 July (marked in blue). The Environment Agency described the July floods as critical and expected them to exceed the 1947 benchmark. Ĭivil and military authorities described the June and July rescue efforts as the biggest in peacetime Britain. July had unusually unsettled weather and above-average rainfall through the month, peaking on 20 July as an active frontal system dumped more than 4.7 inches (120 mm) of rain in southern England. It was Britain's wettest May–July period since records began in 1776. Some areas received a month's worth of precipitation in 24 hours.
Average rainfall across the country was 5.5 inches (140 mm) more than double the June average. June was one of the wettest months on record in Britain (see List of weather records). The worst of the flooding occurred across Scotland on 14 June East Yorkshire and the Midlands on 15 June Yorkshire, the Midlands, Gloucestershire, Herefordshire and Worcestershire on 25 June and Gloucestershire, Herefordshire, Worcestershire, Oxfordshire, Berkshire and South Wales on 28 July 2007.
Cloudburst brewing series#
A series of large floods occurred in parts of the United Kingdom during the summer of 2007.
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