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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

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

. 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

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 these showers could turn heavy, with hail and thunder possible in places. However, showers will generally become less frequent later in the day, allowing for some drier and brighter spells to develop. Temperatures will be close to the seasonal average, providing a typical late August feel. ⚠️ Yellow

, and may fall as organised bands moving quickly to the northeast. These bands are capable of bringing hail and locally very gusty winds. While coastal gales will continue, especially in the west, temporary gusts exceeding gale force are possible around the heaviest showers and may not be confined

conventions. A-Z of storm names for 2020-21  A: Aiden  B: Bella C: Christoph D: Darcy E: Evert (Eh-vert) F: Fleur G: Gavin H: Heulwen (Hail-wen) I: Iain J: Julia K: Klaas (Klaa-s) L: Lilah (Ly-la) M: Minne (Minn-eh) N: Naia (N-eye-a) O: Oscar P: Phoebe R: Ravi S: Saidhbhin (Sigh-veen) T: Tobias V

= 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

; 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

bringing the chance of hail and gusty winds for a few places.  A Yellow Warning for thunderstorms has been issued, covering Wales and a large area of southern and central England from 1400 to 2100 on Saturday. The warning highlights potential disruption to travel, the chance of power cuts