Latest wind and rain data as ex-hurricane Bertha crosses the UK

10 08 2014

As forecast ex-hurricane Bertha is crossing the UK today (10 August 2014) bringing heavy and strong, gusty winds.

ex-hurricane Bertha crosses the UK on 10 August 2014

ex-hurricane Bertha crosses the UK on 10 August 2014

 

The heaviest rainfall overnight was recorded at Balatasound in Shetland where 48.8mm of rain was recorded as a previous low pressure system moved away from the UK, while Bute Park in Cardiff saw 40.6mm as the remnants of ex-hurricane Bertha move in from the southwest.

The highest hourly total was 18.4mm at Wisley in Surrey between 9 and 10am this morning and Coventry in the West Midlands seeing 18.2mm in the same time.

The table below shows a selection of the rainfall recorded at Met Office observing sites across the UK between 10pm on Saturday 9 August and 10am on Sunday 10 August 2014.

12hr UK RAINFALL 10pm 9 Aug to 10am 10 Aug 2014
SITE NAME AREA Rainfall (MM)
BALTASOUND SHETLAND 48.8
CARDIFF, BUTE PARK SOUTH GLAMORGAN 40.6
MILFORD HAVEN CONSERVANCY BOARD DYFED 37.0
SCOLTON COUNTRY PARK DYFED 35.4
ST ATHAN SOUTH GLAMORGAN 34.4
PERSHORE COLLEGE HEREFORD & WORCESTER 28.2
USK NO 2 MONMOUTHSHIRE 27.6
ASTWOOD BANK HEREFORD & WORCESTER 26.0
PERSHORE HEREFORD & WORCESTER 23.6
MURLOUGH DOWN 23.2
TREDEGAR, BRYN BACH PARK GWENT 22.8
KILLOWEN DOWN 22.4
WHITECHURCH DYFED 22.2
CHIVENOR DEVON 22.0
COVENTRY, COUNDON WEST MIDLANDS 21.8
WISLEY SURREY 21.2

The winds have picked up as well with a gust of 53mph being recorded at Berry Head, Devon betwen 5am and 6am this morning. The table below shows the wind speeds recorded between 1am and 10am today.

UK MAX GUST SPEED 10 AUG 1am to 10am
DATE / TIME SITE NAME AREA MAX GUST (MPH)
10/08/2014 0600 BERRY HEAD DEVON 53
10/08/2014 0300 BALTASOUND SHETLAND 52
10/08/2014 0800 SCILLY: ST MARYS AIRPORT ISLES OF SCILLY 51
10/08/2014 0900 CULDROSE CORNWALL 48
10/08/2014 0200 SELLA NESS SHETLAND 48
10/08/2014 1000 WIGHT: NEEDLES OLD BATTERY ISLE OF WIGHT 46
10/08/2014 0800 MUMBLES HEAD WEST GLAMORGAN 44
10/08/2014 0300 LERWICK SHETLAND 44
10/08/2014 0900 CAMBORNE CORNWALL 43
10/08/2014 0900 SOLENT HAMPSHIRE 41

The rain will continue to move north across the UK during the rest of today and the winds will stay strong and gusty and we encourage everyone to keep up to date with the latest forecasts and national severe weather warnings.


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6 responses

10 08 2014
edward bentfield (@algernonia)

Lots of events, long planned in our locality, -washed out! -Reinforcing the British character? ‘Have a nice day’ -say the Yanks. (or, ‘enjoy’ -ugh)

10 08 2014
craigm350

You may want to slightly reword to make it clear about Shetland – the rainfall is not from Bertha…yet anyway! Your map shows a nice clear patch in north Scotland showing it hasn’t reached there.

10 08 2014
Met Office Press Office

Thanks Craig, updated to reflect that the Shetland rainfall was from a separate weather system

10 08 2014
craigm350

Thanks. I thought it was clear with the ‘overnight’ but I could see where confusion could abound. Thanks again 😊

10 08 2014
craigm350

Reblogged this on the WeatherAction Blog and commented:
It’s not clear from the text but the rainfall in Shetland is not Bertha, but did happen overnight. BBC forecast mentioned a possible 100+ mm in Scotland which may prompt an Amber warning and winds of up to 70 mph across the Pennines.

10 08 2014
xmetman

No mention of the forecast track for Bertha from your blog on the 6th I notice? I have put together some charts to compare the UKMO model with the GFS on my blog: http://xmetman.wordpress.com/2014/08/10/bertha-the-final-analysis/

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