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The deluge that has engulfed southern and central England in recent weeks is the worst winter downpour in almost 250 years, according to figures from the world's longest-running weather station.
The rainfall measured at the historic Radcliffe Meteorological Station at Oxford University in January was greater than for any winter month since daily recording began there in 1767, and three times the average amount.
Preliminary research from the Met Office also suggests we may have seen a change in the nature of the rain we get, with 'extreme' daily rainfall becoming more frequent.
An analysis of 1 in 100 day rainfall events since 1960 indicates these 'extreme' days of rainfall may have become more frequent over time.
Professor Julia Slingo, Chief Scientist at the Met Office, said: "The trend towards more extreme rainfall events is one we are seeing around the world, in countries such as India and China, and now potentially here in the UK. Much more research is needed to understand more about the causes and potential implications.
"It's essential we look at how this may impact our rainfall patterns going forward over the next decade and beyond, so we can advise on the frequency of extreme weather in the future and the potential for more surface and river flooding. This will help inform decision-making about the need for future resilience both here in the UK and globally."
Changes in sea surface temperatures due to natural cycles and reducing amounts of Arctic sea-ice could be influencing the increase in rainfall, but more research needs to be done before anyone can establish how big a role they play.
Increasing global temperatures may be another factor. A warmer atmosphere can hold more moisture and we have seen an increase of about 0.7 °C in global temperatures since pre-industrial times.
From basic physics, this would equate to about a 4% increase in moisture in the atmosphere which means there is a greater potential for heavy rain.
Over the last 14 months there has been a five-fold increase in reported landslides in the UK, scientists say.
The British Geological Survey (BGS) has over 16,000 records of landscapes, used to compare variations over time.
In one month alone - December 2012 - there were 75 UK landslides, compared with a typical annual average of 60.
The link between heavy rainfall in 2012 and landslides in the same period was reported at the British Science Festival in Newcastle.
"We saw significant increases, particularly in July 2012," said Dr Helen Reeves of the BGS. Extreme weather seems responsible for a huge increase in slope destabilisation, following changes in water loading in the rocks and soils of saturated land, she reported.
The Met Office has released the annual rainfall data for 2012, the second wettest year on record.
Dr Reeves explained how comparing this with the reports of landslides in the same period it appears that about two fifths of the landslide events happened in soil and rock near the surface soon after a short burst of heavy rainfall, but the build up of rainfall over the two months preceding a landslide seems responsible for the deeper landslides making up the remaining three fifths.
theabsolutetruth
reply to post by Korg Trinity
It is being reported that some areas have experienced the highest rainfall for 250 years.
www.theguardian.com...
The deluge that has engulfed southern and central England in recent weeks is the worst winter downpour in almost 250 years, according to figures from the world's longest-running weather station.
The rainfall measured at the historic Radcliffe Meteorological Station at Oxford University in January was greater than for any winter month since daily recording began there in 1767, and three times the average amount.
AndyMayhew
theabsolutetruth
reply to post by Korg Trinity
It is being reported that some areas have experienced the highest rainfall for 250 years.
www.theguardian.com...
The deluge that has engulfed southern and central England in recent weeks is the worst winter downpour in almost 250 years, according to figures from the world's longest-running weather station.
The rainfall measured at the historic Radcliffe Meteorological Station at Oxford University in January was greater than for any winter month since daily recording began there in 1767, and three times the average amount.
Whilst this is true, my rainfall, in Evesham this winter, is less than I recorded in May and June 2007. And my rainfall, so far this year, in Evesham, is the same as I recorded on one day in July 2007.
That was when we experienced our worst ever floods. Although we're between the Severn and the Thames, both experiencing record floods atm, the Avon is at it's normal winter levels.
It's been wet. It's been wetter.
woogleuk
If I see one more HAARP/Chemtrail related post on my Facebook wall (from local friends too, not the usual tinfoil hat brigade), I'm going to be very very annoyed.....it's my 34th birthday today and so far I have waited in all morning for a gas man that never turned up, spent half the day tying the drainpipe securely to the wall, and now I am ready for a beer I have to go out in 100mph winds and torrential rain to the Co-op.
I am a very annoyed Woogle.
How is everyone else on this lovely warm evening?