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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

and Sweden, but actually it's much less windy compared with Monday. Frequent showers initially across northwestern areas, transferring into northeastern areas as the day goes on. Hail and thunder in places, but those showers peeking around lunchtime before becoming fewer and further between later

, some frequent lightning, some hail and also some gusty winds possible and there has been a Met Office warning issued across southern and southeastern parts. READ MORE: What is the Azores High? “There’s also a chance of some showers across eastern parts of Scotland, northeastern parts of England

it's much less windy compared with Monday. Frequent showers initially across northwestern areas, transferring into northeastern areas as the day goes on. Hail and thunder in places, but those showers peeking around lunchtime before becoming fewer and further between later in the afternoon. Mostly dry

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

the afternoon and evening, outbreaks of heavy and thundery rain are expected to move north and northeast, particularly affecting parts of England and Wales. There is a risk of severe thunderstorms in eastern and southeastern England, bringing heavy downpours, frequent lightning, hail, and gusty winds

; 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

frequent in northern areas of the UK, with the chance of hail and thunder in northwest Scotland. Friday brings a brief calmer spell for many, before another low-pressure system arrives. Tom Crabtree, Deputy Chief Forecaster at the Met Office, said: “The weekend ushers in another area of low pressure

: 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