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It had a 7-inch (178 mm) diameter and a circumference of 18.74 inches (476 mm). [15] 11 July 2004 Edmonton, Alberta Canada: Grape-golf-ball sized hail and more than 150 millimetres (5.9 in) of rain in fell in 30 minutes, leaving 6 centimetres (2.4 in) deep of hail on the ground and flash flooding, it is estimated to be a 1-in-200 year event.
Flooding and hail were reported in the Stoke-on-Trent, England, area on July 28, as severe thunderstorms were forecast across the United Kingdom.Local media reported flooding in parts of ...
These clouds completely blotted out the light in some areas and the rain and hail resulted in property damage and flooding, and at least four people were killed. [2] [3] During the storm, Leeming Bar in North Yorkshire saw 35.7 millimetres (1.41 in) of rain in under 10 minutes – a UK record until 2003. [4]
The 1981 United Kingdom tornado outbreak is regarded as the largest tornado outbreak in European history. 104 confirmed tornadoes touched down across Wales and central, northern and eastern England. 8 injuries were recorded but there were no casualties. 1981-now AIDS outbreak
The storm moved slowly, beginning at 9 am and finishing by 2 pm local time. The parent storm's total track length was at least 25 km (16 mi) long. [1] This hailstorm is widely considered to be the worst hailstorm ever documented in the United Kingdom, with the largest hail ever measured in addition.
The 01z outlook extendeded the Moderate and High Risk zones north into this area, but few tornadoes would occur in this area beyond 01Z, while significant tornadoes continued in southern portions of the High Risk area. It total, sixty-one tornadoes were confirmed. Thirty-one people were killed during the outlook period. [194] [195] December 23: ...
The storms are expected to arrive late Wednesday afternoon into the evening hours. The NWS said damaging winds, hail and localized flooding are the main hazards with the storms.
They tend to push outward and after time die out. A bow echo also lowers the chance of a tornado being formed in the storm itself. The "bow shaped" echo is a result of focusing of the strong flow at the rear of the system. [4] Especially strong bow echoes that cause devastating damage all along the width of the storm are often called derechos.