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; 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

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

; no qualifier = Moderate. + = Heavy (well developed in the case of +FC and +PO); -= Light; no qualifier = Moderate. BC = Patches BL = Blowing BR = Mist DR = Drifting DS = DuststormDU = Dust DZ = Drizzle FC = Funnel cloud FG = Fog FU = Smoke FZ = Freezing GR = Hail (>5 mm) GS = Small hail or snow

= Smoke FZ = Freezing GR = Hail (>5 mm) GS = Small hail or snow pellets HZ = Haze IC = Ice crystals MI = Shallow PL = Ice pellets PO = Dust devils PR = Banks RA = Rain SA = Sand SH = Showers SG = Snow grains SN = Snow SQ = Squalls SS = Sandstorm TS = Thunderstorm VA = Volcanic ash VC = In vicinity UP

, 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

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

. READ MORE: Met Office Deep Dive: Storm season past and present “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

in the southeast later, bringing an increasing risk of showers and elevated thunderstorms, particularly overnight. Northern England and Scotland will also see a rising chance of showers from mid-afternoon, extending to Northern Ireland later. There is a small chance of torrential downpours with hail

. 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