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be widespread and torrential in places. Whilst rainfall totals will vary considerably from places to place, up to 100mm of rain could build up in some locations with potential impacts including the chance of some flooding as well as poor travel conditions due to surface water. Lightning and hail

; a limitation of the encoding and data transfer method. 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. Synoptic Chart For the 7 May 2000 1800 (UTC). Lightning

of intense rainfall, which will not always have an official rain gauge. One example is the extremely localised flooding in Coverack in Cornwall. The very far eastern edge of the Lizard peninsular experienced intense rainfall and hail however just half a mile away it remained dry. Reports from a voluntary

Scotland, where they may merge into longer spells of rain. There is a risk of hail and thunderstorms in these regions. Showers will gradually ease during the evening, becoming confined to western coastal areas. It will remain windy throughout the day, particularly near showers, with gales likely

Scotland, where they may merge into longer spells of rain. There is a risk of hail and thunderstorms in these regions. Showers will gradually ease during the evening, becoming confined to western coastal areas. It will remain windy throughout the day, particularly near showers, with gales likely

. “Once again, another thunderstorm warning issued here across parts of England and Wales. Pushing its way north-eastwards and some heavy bursts of rain along with it. Hail, possible frequent lightning. So, an unsettled day once again, but we should see more sunny spells in between these showers

to identify aspects of the model simulations that need improving in order to produce more accurate lightning forecasts, which would help save lives and protect livelihoods around the world.   “There is still limited understanding in the link between the evolution of ice crystals and graupel (soft hail

and northern England later on Wednesday night and into Thursday morning. “In addition, scattered heavy showers and thunderstorms may break out on Thursday afternoon and evening across parts of central, southern and eastern England, along with perhaps south Wales, which may produce gusty winds, large hail

said: “Over the coming days we’ll be transitioning to a more unsettled regime for the UK, though temperatures will remain high and it’ll feel very humid for many. “Heavy showers and thunderstorms are likely to become more frequent through the weekend, with the potential for associated hail, lightning

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