UK, Sheffield Flood Warning 2012, a Repeat of 2007 Floods?
Local / Sheffield Jul 06, 2012 - 07:14 AM GMTBy: Nadeem_Walayat
Much of Britain is bracing itself for a deluge of a months rainfall in just 24 hours. Sheffielders are rightly worried to prepare themselves for a potential re-run of the 2007 floods of the century, as after an extraordinarily wet June the ground was already saturated coming into July, with rain fall continuing during the first week of the month into today's deluge.
The Met Office weather maps put Sheffield at greatest risk of potential flooding during Saturday Evening and into Sunday Morning, followed by a pause in the rainfall going into Monday when the rain is expected to resume.
As things stand the current situation and forecasts do look likely to result in some localised flooding in the low-lying high risk areas situated along rivers, canals and streams, however there is no clear sign that Sheffield is set for a repeat of degree of flooding as June 2007, at least for this weekend. As a guide the estimated degree of flooding that is likely to take place during the next 48 hours can be put at about 10% of that which took place during 2007. The weather maps indicate that the areas most at risk of flooding are to the North West of the city namely surrounding Ecclesfield.
In addition to the cost of water damage repairs there is the economic impact that the city faces as a whole host of scheduled events of all sizes have been cancelled today including the Sharrow Festival and parts of the Cliffhanger Festival.
Householders Protect Your Property - Ensure Gutters and Drains are Not Blocked
Householders should quickly survey their properties during pauses in the rainfall to ensure that gutters and drains are not blocked, as well as protecting any areas of the property such as garage doors that could flood during heavy rainfall conditions.
The Great Sheffield Flood of 2007
During 2007, I managed to document the floods form before they started to after they finished in the Don Valley area of Sheffield that was picked up by the mainstream press:
The day for Sheffield, a northern English city started as usual, wet and rainy, yes there have been forecasts for a wet June and possible flooding in Northern England, but Sheffielders felt safe in the knowledge that their hilly city is not prone to flooding.
Not even Sheffielders remember when the last big flood occurred. Digging back into history you would have to back nearly 150 years to 1864 when the Dale Dyke Dam burst.
The Market Oracle, based in Sheffield and situated on the river bank that felt the full force of the flooding as the following time-line illustrates:
1.30pm - The River Don that runs through the heart of the city was a raging torrent, but in the near 15 years we have been in our current premises, I have seen this many times before, many times.
A colleague suggests that the river is going to burst its banks, having only been with us for barely 2 years, he obviously was not party to my inside knowledge that it has never flooded in at least 15 years, nor have I known any serious flooding in Sheffield in the 40 years I have lived here. So I ask my colleague to put his money where his mouth is, a bet ! "I bet you £50 the river won't burst". But he won't take the bet !
About 10 min's later, 1.40pm with the waters rising, I venture out to take a closer look.
1.40pm - The river is very high, now reaching the walkway path which implies that it is likely to overspill, still this would be a far cry from an actual flooding
1.50pm - The drainage appears to be failing in the car park. Which is alarming because if the drainage is failing then it does not matter of the river bursts its banks as we could still yet get flooding. So I decide to move my car to a little higher ground, out of the car park.
1.55pm - I am called to the reception to investigate flooding as water from the front of the building starts to enter the premises
1.57pm - Barely 2 minutes later the flooding at reception worsens with the waters rising very fast. With very little that can be done to prevent the inevitable.
2pm - Within 10 minutes the car park started to sustain serious flooding. Given the flooding in reception and the car park flooding, I decide to call it a day and instruct our personnel to go home.
2.02pm - The front of the building is already flooded, as the drainage system completely fails.
2.17pm - Not everyone has headed the advice, one of the remaining cars literally starts to drift in the car park.
2.21pm - The Reception area is flooded by 6 inches with at least another foot of water building up. The building at this point is closed.
3.30pm - The car park is completely flooded.
3.35pm - The front of the building is under at least 3 feet of water, which means the offices will have sustained serious flooding.
3.35pm - The area is completely flooded and infarct has turned into a fast flowing river, the nearby shops are under at least 3 feet of water
Throughout the late afternoon and evening, three RAF helicopters rescued hundreds of trapped people in neighbouring buildings as the water levels continued to rise.
6pm - The flooding continues in nearby roads
At the time of posting this article there were two confirmed deaths in the city, one of which was in the immediate vicinity of our building.
Serious questions need to be asked as to why the UK's fifth largest city has such an inadequate drainage system. Especially as the area is under going a construction boom with many developments near completion now damaged by flood waters.
UPDATE - THE DAY AFTER
With the flood levels having receded, the devastation caused to the surrounding area became apparent
The Car park though now dry, is caked in at least inch deep of toxic mud which needs to be removed. The clear up of ground floor workshops has already begun.
The once flooded reception area is being stripped bare.
The front of the of the building bares witness to the force of the fast flowing river
Shop fronts show extensive damage with footpaths literally washed away revealing gaping holes that some people fell into on the day of the flood.
By Nadeem Walayat
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Nadeem Walayat has over 25 years experience of trading derivatives, portfolio management and analysing the financial markets, including one of few who both anticipated and Beat the 1987 Crash. Nadeem's forward looking analysis focuses on UK inflation, economy, interest rates and housing market. He is the author of three ebook's - The Inflation Mega-Trend; The Interest Rate Mega-Trend and The Stocks Stealth Bull Market Update 2011 that can be downloaded for Free.
Nadeem is the Editor of The Market Oracle, a FREE Daily Financial Markets Analysis & Forecasting online publication that presents in-depth analysis from over 600 experienced analysts on a range of views of the probable direction of the financial markets, thus enabling our readers to arrive at an informed opinion on future market direction. http://www.marketoracle.co.uk
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