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of Convective Forecasts to Driving and Regional Models During the 2020 Hazardous Weather Testbed Flack, D.L.A.; Bain, C.; Warner, J. 2021 647 Investigating How the Choice of Stratospheric Meteorological Data Influences Volcanic Ash Forecasts Within the London VAAC Area of Responsibility Stebbing, N

in some parts of the UK than December – the first month of winter. For all the prospects of cold weather, the sun’s rays are gaining in strength as the sun rises ever higher in the sky along with an increasing day length from now until mid-summer. Along the latitude of London, there are two hours more

severe storms to affect southern England in the autumn in the last 40 years. However, it was not in the same category as the Great Storm of 16 October 1987. Impacts Most of the storm's impacts were due to damaging gusts of wind. Four people were killed in Kent, Watford and west London

Value Location (England) Date January 17.6 °C Eynsford (Kent) 27 January 2003 February 21.2 °C Kew Gardens (London) 26 February 2019 March 25.6 °C Mepal (Cambridgeshire) 29 March 1968 April 29.4 °C Camden Square (London) 16 April 1949 May 32.8 °C June 35.6 °C Camden Square (London) Horsham (West

in France by carrying out local meteorological observations and providing regular reports in addition to daily reports to the Meteorological Office in London. The service in France was run from the British Expeditionary Force General Headquarters at Montreuil, France and consisted of Major HG Lyons

will be provided for the PWSCG web pages. SJ highlighted two resilience issues which have occurred recently, firstly reduced availability of web delivery systems during the snow which affected London on 10 December, including the availability of site specific forecasts via the app and access to Hazard

, the highest July mean daily maxima occur in the London area (23.5 °C) whilst the lowest occur in the Shetlands (15 °C). The highest temperature ever recorded in Northern Ireland is 30.8 °C at Knockarevan in County Fermanagh on 30 June 1976, and also at Shaw's Bridge in Belfast on 12 July 1983

sunshine elsewhere. The UK monthly extremes were as follows: A maximum temperature of 33.4 °C was recorded at Heathrow (Greater London) on the 27th. A minimum temperature of 2.0 °C was recorded at Katesbridge (County Down) on the 13th. In the 24 hours ending at 0900 GMT on the 31st, 69.8 mm of rain

with temperatures as high as 34 °C in the London area. The provisional UK mean temperature was 13.2 °C, which is 0.2 °C above the 1981-2010 longterm average. Mean maximum temperatures were mostly close to average but were over 0.5 °C below in east Wales and some western counties of England. Mean minimum

of mountains, coastlines and urban areas – here we can see how the specification of London becomes much more precise … We are also talking about better representation of snow over mountains, sea breezes … 3 Working together on UK Climate Projections The Local (2.2km) model better simulates several