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height_ASL_at_ top_of_convective_ inflow height_ASL_at_wet_ bulb_freezing_level Implied depth of the layer of liquid water equivalent (LWE) hail produced by the model precipitation scheme and deposited on the surface in the previous time period. Implied depth of the layer of liquid water equivalent

moved northwards and became slowmoving from East Anglia through the Midlands to north Wales. This band gave some very heavy downpours with hail and thunder. On Good Friday (10th) the band rotated slowly anticlockwise spreading to Lincolnshire and the west country and continued to rotate, with sleet

the weekend as heavy showers and thunderstorms move in from the west later today and through Saturday and again across some southern parts on Sunday into Monday. Not everywhere will see the showers, but there could be some intense thundery downpours with a risk of hail and gusty winds which has prompted

of rain is possible in an hour here with a good chance as much as 60-80 mm rain could fall within 2-3 hours in some places. As well as this, frequent lightning and large hail are possible”.  “This could result in flash flooding, transport delays and dangerous driving conditions, especially on the M4

of England, bringing a lot of rain in a short period of time, along with the risk of hail and frequent lightning. At the same time heavy rain, initially arriving into the southwest, will fairly steadily move northeast, potentially bringing some substantial rainfall totals to parts of Northern Ireland

a potential for surface-water flooding.  “Within the warning areas, potential impacts include the chance for some power cuts, difficult travelling conditions thanks to sudden changes in driving conditions and possible flooding of travel routes, homes and businesses. Hail and lightning could also

. Meanwhile in the north there are thundery showers moving eastwards across the country today, bringing intense showers in places with the potential for hail too. A band of heavy thundery showers will move across parts of the south east and East Anglia on Thursday morning, not everywhere will see

strikes and hail making road conditions dangerous.  “Strong winds will also affect southern parts of England and Wales through Monday and at first on Tuesday, with gusts of up to 60 or 70mph possible near the coasts in the far southwest, and around 50mph possible inland especially near to the heaviest

, Northern Ireland and around Irish Sea coasts, but eastern coasts will also be affected at times on Friday and Saturday. There will be gales which could lead to temporary blizzard conditions as well as a risk of hail and thunder in some locations. Although the south of the UK is likely to avoid

October 1961-1990 rainfall Radar imagery 3-hourly radar imagery from 14/15 October 2002 Please note: The empirical relationship between radar reflectivity and rainfall rate is fixed whereas in reality this is highly dependent on precipitation type and is very different for rain and hail. Last updated: 11 February 2013 © Crown Copyright