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Between 2016 and 2019, the UK was in a period of prolonged dry conditions with varying spatial and temporal foci. We look at the rainfall, river flows, soil moisture and drought impacts leading up to and including the heatwave of 2018, and the following year, placing the events into historical context. Using incident data from the UK regulators, we also explore drought impacts for this period.
On 9 August 2019, a devastating tornado hit southwestern Luxembourg and caused widespread damage and many injuries. The atmospheric environment, in which the tornado occurred, was characterised by a moderate latent instability, very strong vertical wind shear and high storm‐relative helicity. The radar images show typical characteristics of a tornadic supercell, that is, a hook echo and a well‐defined...
On 11 and 12 August 2020 some of the highest rainfall depths in recent memory were observed across a wide area of Scotland, causing significant impacts. As part of its operational partnership with the Scottish Environment Protection Agency, the Met Office provides a bespoke, probabilistic, impact‐based Heavy Rainfall Alert Service. This system successfully forecast 58 of the 60 severe‐impact events...
Photograph of lightning in the eruption plume of La Soufrière volcano, taken by the second author, Tony Sales, at 0522 utc 11 April 2021, looking southwest towards the island of St Vincent.
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