Monthly Extreme Rainfall Trends In England & Wales
October 12, 2015
By Paul Homewood
There’s lots of good stuff on the KNMI Climate Explorer to use. (KNMI is the Dutch Met Office).
I found one section which uses the regional England & Wales Precipitation Series. The Met Office publish the data, but KNMI actually offer a tool to analyse and graph it.
These are the anomaly charts for monthly rainfall by region. [y-axis is mm]
http://climexp.knmi.nl/selectindex.cgi?id=someone@somewhere
Across all regions, the highest anomalies arise long before the last couple of decades. (Interestingly, the same seems to apply to dry months).
Experts tell us that rainfall is becoming more extreme.
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Experts are becoming more extreme.
Paul
I looked at the subject of extreme rainfall events after the wet winter of 2013/14 a report in which I concluded:
“So in conclusion what do all these graphs show. It looks like the north (-4 days) and east of Scotland (-0.6 days) show a slight decrease since 1931, Northern Ireland shows no change, whilst all the other sub-regions show a modest rise in the annual number of ½ inch and 1 inch events. The rise looks largest in the Northeast (+3 days) whilst in other sub-regions its in the order of a day (+1 day) or so. To be honest I thought the results wouldn’t be that startling, it’s just that there has been so much talk and hype about what global warming is doing, or is going to do to the amount of rain that we are seeing, or going to see, I was expecting so much more!”
https://xmetman.wordpress.com/2014/02/09/are-extreme-rainfall-events-more-common/
Bruce.
Me thinks there will be plenty of new extremes to be uncovered. Sure won’t be for the lack of looking!
Met Office Science Strategy: 2016-2021 – ‘Delivering science with impact’
Click to access Met_Office_Science_Strategy_2016-2021.pdf
How long ago did the Met orifice dispense with real experts?
Are any of those records distinguishable from noise?