Page 2 of 63
Down in the thirty years 1981 to 2010 was -5.4 °C. July is normally the warmest month in Northern Ireland, with mean daily maximum temperatures varying from about 17.5 °C in the upland areas and along the north coast to almost 20 °C in low lying areas south of Lough Neagh and in Fermanagh. In the UK
contact the Customer Centre on: Tel: 0370 900 0100 Fax: 0370 900 5050 Email: [email protected] If you are outside the UK: Tel: +44 330 135 0000 Fax: +44 330 135 0050 Causes of the weather in the UK The UK lies in the latitude of predominately westerly winds where depressions
effect. The annual mean temperature tends to fall towards the south and north parts of the region due to altitude, as well as inland where 8.0 to 9.4 °C is more typical. The lowest annual mean temperature for low lying areas in the UK is about 7 °C in the Shetlands. The strong maritime control
seen at least 5% of the station network record snow falling on Christmas Day. This means we can probably expect more than half of all Christmas Days to be a 'white Christmas'. However, the Dickensian scene of widespread snow lying on the ground on Christmas Day is much rarer. There has only been
are in force on Wednesday and Thursday. An Amber warning for snow has now also been issued for northern parts of Scotland, where high ground could see in excess of 40cm of snow accumulate before the weekend. Lower ground in the north of Scotland is more likely to see 5-10cm of lying snow accumulate
. There were some widespread hard frosts with temperatures falling below -5°C and several stations recording their lowest April temperature for over 40 years. There was also lying snow across much of northern Scotland, with snow depths of several cm as far south as the Peak Districts and some snow
Areas of expertise Surface transfer Observational assessment of models Transitional boundary layers Atmospheric radiation Lying Snow Publications by Dr John Edwards Current activities John is a research scientist working to improve the representation of physical processes at the land and ocean
strengthening or weakening (positive if better than chance). Central pressure bias - mean bias in the forecast central pressure See below for a diagrammatic explanation of track error statistics. Sign conventions DPE values are always positive ATE values are positive if the forecast position lies ahead
on the 28th with Storm Jorge. In between the rain belts, there were brighter spells and blustery showers, and the showers were wintry at times, especially in the north, but any lying snow on low ground was short-lived. The provisional UK mean temperature was 5.1 °C, which is 1.4 °C above the 1981-2010 long
reports of structural damage to buildings. There was severe disruption on roads with fallen trees blocking roads, overturned vehicles due to high winds and snow accumulations across the Pennines. Ferry services between Scotland and Northern Ireland were cancelled. Lying snow caused significant
Previous