Latest Met Office summary [6th February]

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Latest Met Office summary [6th February]

Postby Martin Rowley » 2014 Feb 06, 15:21

This was issued internally to help duty staff brief callers ....

Martin.


Context for December and January:
· South England has experienced exceptional weather this winter with an ongoing sequence of depressions bringing rain and high winds to many areas with very few dry days since 12th December.
· The statistics suggest that for south England this is one of, if not the most, exceptional period for winter rainfall in at least 248 years.
· There were more days of rain (> 1mm) for the UK in January 2014 than for any other month in a series from 1961. There were 23 days of rain in January 2014.
· For England and Wales it has been the wettest January since 1766.
· This has been provisionally the wettest December + January in the national series from 1910 for the UK, and the wettest by a very wide margin for the southeast and central southern England region.
· The two-month total of 372.2mm for the southeast and central southern England region is the wettest any 2-month period in the series from 1910.
· It was the windiest December for the UK in records back to 1969 [editorial note: based on occurrence of winds >60 kts]
Martin Rowley
West Moors, East Dorset [ altitude: 17 m/56' ]
NGR SU 082 023: postcode BH22 0GB
50deg49min15secN, 01deg53min03secW
Martin Rowley
 
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Re: Latest Met Office summary [6th February]

Postby Len Wood » 2014 Feb 07, 13:39

Thanks Martin.
I assume by the national series from 1910 they mean EWP.

Of course if you look at the Dec+Jan totals for specific locations you find 2013-2014 is not the wettest.
Winter 1993-94 had 225+161 = 386 mm.
Last winter Plymouth had 289+139 = 458 mm.
This winter it is 158+194 = 352 mm.

Interesting that central southern England and the SE have been wetter than us in the SW (excluding Dartmoor).
That is unusual. The unusual strength and position of the jet stream exit must have played a part.
Len

Wembury, SW Devon coast
N50.33 W4.13
Altitude 83 m asl
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Re: Latest Met Office summary [6th February]

Postby Martin Rowley » 2014 Feb 07, 14:39

Len Wood wrote:Thanks Martin.
I assume by the national series from 1910 they mean EWP.



... the 'national series' is a UK-wide, gridded dataset that only extends back to 1910, so is not directly comparable with the EWP.

Martin.
Martin Rowley
West Moors, East Dorset [ altitude: 17 m/56' ]
NGR SU 082 023: postcode BH22 0GB
50deg49min15secN, 01deg53min03secW
Martin Rowley
 
Posts: 154
Joined: 2011 Nov 25, 12:54

Re: Latest Met Office summary [6th February]

Postby Graham Easterling » 2014 Feb 07, 21:52

Len Wood wrote
Of course if you look at the Dec+Jan totals for specific locations you find 2013-2014 is not the wettest.
Winter 1993-94 had 225+161 = 386 mm.
Last winter Plymouth had 289+139 = 458 mm.
This winter it is 158+194 = 352 mm.
Interesting that central southern England and the SE have been wetter than us in the SW (excluding Dartmoor).

That may be true for Plymouth, but it is not the case generally in the southwest.
Last Winter in Penzance was very wet - 453.7mm
This winter so far 493.6mm
Wettest ever winter (since 1991) by a large margin was 598.4 in 1993/1994. This winter is already the 2nd wettest in my 24 year record, it may yet become the wettest.
Graham

Penzance Weather Station
Grid Ref:
SW464231 - Post Code: TR18 4TP
19m AMSL - Aspect SSE
In a SE - NW orientated valley

23 Years of Penzance Weather Records : http://penzanceweather.atspace.com/weather.html
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Location: Penzance, Cornwall

Re: Latest Met Office summary [6th February]

Postby Len Wood » 2014 Feb 07, 23:30

The wettest winter in Plymouth was also 1993-94 with 547 mm.
That is in a record back to 1874.

We are up to about 400 mm so far.
Quite a way to go to beat the record with 21 days left.
Not impossible but not likely IMHO.
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: Latest Met Office summary [6th February]

Postby John Oliver » 2014 Feb 08, 12:02

Further east from you Len into south Dorset (Dorchester) it is already the wettest winter since before local records commenced in 1896.
Up to 9am this morning (8th) the total stands at 526.7mm.

The five wettest winters here are:-(

2013 - 2014 526.7mm (to 7th Feb)
1989 - 1990 507.7mm
1993 - 1994 506.5mm
1994 - 1995 496.8mm
1959 - 1960 484.4mm

John
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