Synoptic-Scale Precursors of Extreme U.K. Summer 3-Hourly Rainfall.

ABSTRACT: The synoptic-scale meteorological conditions leading up to the 30 most extreme subdaily summer rain events for two regions of the United Kingdom (northwest and southeast) were examined for the period 1979-2013. Using a recently available, quality controlled, national hourly rain gauge data set, we were able to identify extreme 3-hr rainfall accumulations that may be indicative of flash flooding. Composites of the state of the atmosphere leading up to these dates were produced to investigate synoptic-scale processes, thus potentially allowing for them to be identified in coarse resolution reanalyses and in climate models. The results show that the two regions have different dominant synoptic-scale conditions leading to extreme 3-hr rainfall, which is thought to be related to the type of rai

SUBMITTER: Champion AJ 

PROVIDER: S-EPMC6582617 | biostudies-literature | 2019 Apr

REPOSITORIES: biostudies-literature