The Brettenham storm of 25 July 2021: hydrological response and implications for probable maximum precipitation
Holley, Dan ; Dent, James ; Clark, Colin
Année de publication
2023
On 25 July 2021, a violent storm took place over parts of East Anglia, UK. The highest measured rainfall was 181mm in about 1.75h. Rapid rises in river flow took place and homes were flooded. This storm exceeded the generally accepted probable maximum precipitation (PMP) for this area of 164mm. The highest official rainfall was 80mm showing the value of unofficial rain gauges. These results have significant implications for PMP in East Anglia and elsewhere in the UK. </p>
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