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are possible in the far southwest. As the day progresses, heavier rain and showers, with a low risk of isolated thunderstorms, will slowly migrate north-northwest, potentially affecting other southwestern parts. There is a small risk of isolated afternoon thunderstorms with hail and gusty winds

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 and impactful through the weekend, with the potential for associated hail, lightning and some gusty winds. The risk

worked? • What may need to change next time? • Did you feel the time limit helped? • Can you think of any more extreme weather that you could prepare your shelter for? For example, hail (For this, you could use small pebbles) If you would like to learn more about past extreme weather events in the UK

October 2000. The previous highest 12-hourly value (09-21 GMT or 21-09 GMT) was 62.9 mm on 10 June 1993. The average October 1961-1990 rainfall. Radar imagery 3-hourly radar imagery from 13/14 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

spells and showers, some of which may be heavy with a risk of hail and thunder. More organised bands or areas of rain or showers are likely during the morning. Winds will remain moderate to fresh, occasionally strong near coasts. Temperatures are expected to be near average or just below for early

Monday will begin with some heavy bursts of showery rain, particularly affecting parts of Scotland, north-west England and Wales. Elsewhere, expect a mix of sunny spells and showers, some of which may be heavy and accompanied by isolated thunderstorms or hail. Winds will be brisk, especially

area of low pressure but it is going to bring some more unsettled weather. “We’re going to see a swathe of heavy, showery rain pushing its way across many parts, with most areas likely to see some fairly heavy bursts at times.” Blustery winds, hail and even thunder could accompany this on Saturday

; assess their development and the potential for hail. 3D parameter • A Horizontal reflectivity (3D) – 24 levels of radar data will be produced Figure 1: Coverage of radar products EU-IRMA product EU-OPERA product Figure 2: 24 levels of radar data Benefits Greater situational awareness through enhanced

: 3D Radar Formats: HDF5 or GRIB2 Resolutions: Higher resolution for UK-Ireland FAB and FABEC; lower resolution for wider European domain Parameters: Depth and intensity of convective storms, development assessment, hail potential Input radar data is provided via OPERA (EUMETNET Radar Programme

with a much as 30 mm of rainfall in an hour and 60 mm in 3 hours. Large hail and strong, gusty winds are also likely and we have issued a Met Office weather warning highlighting the areas most at risk”  A Level 3 heat-health watch alert has been issued for a large part of England, in association