Event Chronicle

3 August 2023

Beijing Flash Floods

August 3rd, 2023. Beijing Meteorological Observatory. 111.8mm of rain fell in the Fengtai district of Beijing between 10 and 11 am on the 31st July, part of the heaviest rainfall for 140 years in the city, with a total of 603.6mm recorded in the urban area, in Fengtai. 744.8mm was the event maximum within the city limits at Wangjiayuan Reservoir. The previous record rain event total was 609mm from 1891 although it’s unclear at which location this record occurred. The rainfall was caused by Ex-Typhoon Doksuri.

3 July 2023 | BBC

Hottest June in UK since records began

The UK had the hottest June on record, the Met Office has confirmed.

1 March 2022

Enoggera Dam – Unusual Loading

March 1st, 2022. Brisbane. The Enoggera Reservoir peak lake level of 81.39mAHD in February 2022, had a flood loading just shy of 1:10000 Annual Exceedance Probability (AEP) (1:10000 AEP level listed as 81.4mAHD) according to the approved Emergency Action Plan. Rainfall frequency assessments for the catchment indicate the 2022 event was between a 1:200 and 1:500 AEP representing a discrepancy between the flood frequency and rainfall frequency.

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