Wettest Ever Winter

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Wettest Ever Winter

Postby IanCurrie » 2014 Feb 11, 17:24

At 2.30 PM on the afternoon 10th February 2014 I exceeded the record winter rainfall for east Surrey of 505mm of rain set back in 1914/15, itself much higher than any other for instance 400mm in 1995. It has fallen in less than two months with the first part of December being dry. I have found nothing comparable back to beyond Victorian times save for the previous record of 1915.
My winter total now at 514mm. This compares to the annual rainfall for London at 550 to 570mm.
The rainfall since December 12th has been truly phenomenal and now unprecedented and there is much more rain to come. It is not inconceivable that 600mm will be recorded by the end of February. In my area a water works is under siege by flood waters ironically threatening water supplies to thousands of homes. They are flooding the Purley underpass at one of the busiest road intersections in south London in order to put some of the water that is pouring out of the ground having percolated through the chalk hills of the North Downs and flooding the area of the pumping station but it is only a temporary measure as there is much rain to come. A local intermittent stream is now a mighty raging river and it runs past the pumping station.
I did warn a couple of weeks ago that this could well be the greatest weather event we have seen and in view of the amount of rain that is still to percolate through the ground and that which is likely to fall over the coming week plus the incidents continuing to unfold all over the country then I still stand by this. Severe gales too will compound the problems.

Ian Currie- Coulsdon and Chipstead Valley.
IanCurrie
 
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Re: Wettest Ever Winter

Postby Scott Whitehead » 2014 Feb 11, 23:08

Looking at the MetO FAX chart for Saturday - cold, chilling gale force winds and heavy rain -I wonder if this event is about to turn even more serious
Scott Whitehead
Wanstead, East London - 18m N 51° 33' 52" E 00° 02' 25"
Scott Whitehead
 
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Location: Wanstead, East London - N 51° 33' 52" E 00° 02' 25"

Re: Wettest Ever Winter

Postby Bernard Burton » 2014 Feb 14, 11:29

We here in Wokingham have just exceeded the previous highest winter (Dec,
Jan, Feb) rainfall total in local records back to 1882. This morning's
measurement takes the total for this winter so far to 337.1 mm, topping the
previous highest of 335.8 mm in 1915. The closest in recent years is 316.0
mm in 1990.
Bernard Burton
 
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Joined: 2011 Nov 30, 23:06

Re: Wettest Ever Winter

Postby Martin Rowley » 2014 Feb 14, 15:30

... Period of rain here started 14/0545Z, becoming continuous moderate by 0815Z, then moderate with isolated bursts heavy until 14/1300Z, then intermittent light up 'til now (14/1515Z). Just measured rainfall - 22.8 mm over that time (going to be split between two rain-days of course), which brings our total rainfall for this month (February 2014) to 107.6 mm (168% of eLTA 1981-2010). Probably the wettest February since 1995 using the Hurn record.

For the winter (so far, DJF), we're now at 548.7 mm, which represents 217% of the eLTA 1981-2010 for /winter/ and ~65% of the 'all-year' annual mean for this location.

I haven't got long-term figures available (i.e., beyond the 1957+ at Hurn), but in the Hurn dataset, their total (provisional) is around 533 mm, which comfortably(!) exceeds the previous winter highest in their record which was 507 mm in 1989/90. This latter was the wettest winter in the /regional/ dataset which covers us (Met O web site / began 1873, so I think it's reasonable to assume that the winter we are enduring hereabouts is probably either the wettest, or close to the wettest, for at least 140 years.

Martin.
Martin Rowley
West Moors, East Dorset [ altitude: 17 m/56' ]
NGR SU 082 023: postcode BH22 0GB
50deg49min15secN, 01deg53min03secW
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Re: Wettest Ever Winter

Postby Len Wood » 2014 Feb 14, 19:33

Today I had 34.4 mm in 24 hrs to 1800z.

That makes a winter total so far of 502.2 mm. Not far from previous Wembury winter record of 514 mm in 1993-94.
Record began 1984.

Notably though, today's 24-hr total did not beat my previous Feb 24-hr record of 38 mm in 2009.
Len

Wembury, SW Devon coast
N50.33 W4.13
Altitude 83 m asl
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Re: Wettest Ever Winter

Postby Darren Rogers » 2014 Feb 14, 19:46

Well here in the relatively dry east of Cumbria I have had 620 mm already.

in the 65 days since 12th December (inc today) we are looking at 609 mm - so that is some 50% of the annual average in 65 days.
Darren Rogers
Maulds Meaburn
Cumbria (Half way between Shap and Appleby)

http://www.mauldsmeaburnweather.co.uk
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Location: Cumbria - half way between Shap and Appleby in the Eden valley

Re: Wettest Ever Winter

Postby Len Wood » 2014 Feb 18, 17:50

My winter record of 514 mm in 1993-94 is now broken.
Record began 1984.

516.8 mm is the total and still 10 days of winter to go.
Len

Wembury, SW Devon coast
N50.33 W4.13
Altitude 83 m asl
Len Wood
 
Posts: 349
Joined: 2012 Jan 28, 16:12
Location: Wembury, coastal SW Devon, 83 m asl

Re: Wettest Ever Winter

Postby Nick Gardner » 2014 Feb 20, 19:31

Winter rainfall total now up to 439 mm.

Dec = 119 mm
Jan = 195 mm
Feb = 125 mm (up to 20th).

This February is turning out to be a warm one with a mean temperature currently at 7.2°C.
Near Newton Poppleford, Sidmouth - Devon
50:41N 3:17 W; 20 metres AMSL; Station Grade B-BAAA37
http://www.ottervalley.co.uk
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Location: Rural riverside valley location near the village of Newton Poppleford and 2 km from the sea.


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