17 August 2020 – Overnight rainfall

It is amazing how many of these high rainfall events always manage to slip between the rain gauges in the SYNOP network. This one in Norfolk was a much larger >80mm event than the one in Essex the night before judging by the spread of white pixels, in fact if my hyetograph of estimated hourly totals is correct there was over four inches of rain at a place called Watton in Norfolk yesterday afternoon. A quick check on social media confirms that there was some serious flooding around Watton at the time.

Estimated Rainfall accumulations from Watton
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