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Weather Guide Sunday 15th To Saturday 21st April (west Wales And Central Midlands Specific)

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TonyH

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[b]Headline: Dry bright start, then very unsettled with plenty of rain and showers. Rather cool.[/b]

[font=arial, sans-serif]After the wet day Monday with almost an inch of rain, Llanwnnen and much of west west Wales dodged the showers until Friday, with plenty of dry weather and good sunny spells. Warwickshire too missed the worst of the showers this week, while other parts of the country saw several centimeters of lying hail and thunderstorms locally.[/font]

[font=arial, sans-serif]The general theme of rather cool and unsettled weather is set to continue for much of the remainder of April. More rain and showers prevailing after a dry, bright start to the coming week.[/font]

[font=arial, sans-serif]A ridge of high pressure gives us a mainly dry couple of days Sunday and Monday, and there will be sharp frosts overnight, as low as -5c in places. The illusion of a quiet fine week does not last, as later on Monday a quite deep low pressure edges towards Scotland.[/font] [font=arial, sans-serif]Rain will arrive in west Wales during the evening and move steadily into the Midlands overnight. At least no frost with all the cloud and rain. [/font]

[attachment=133134:brack1a Ridge Mon sharp frost.gif] [attachment=133135:Recm722 L edging in Mion night rain fronts.gif]
[font=arial, sans-serif]Tuesday to Thursday are then controlled by this complex area of low pressure that slowly transfers across the UK. A very unsettled picture with showers or longer spells of rain, heavy at times, and as with last week, hail and thunder in places. Some sunny spells between the showers but a lot less dry, bright weather than this past week. [/font]
[attachment=133136:brack3 rain showers tue west wind.gif] [attachment=133137:Rtavn841 Tue deep L.png] [attachment=133138:brack4 complex L UK Wed.gif] [attachment=133139:Recm1202 L still there Thu.gif]
[font=arial, sans-serif]Although this particular low eventually edges into the North Sea by Thursday or Friday (depending on which model you prefer), it is quickly replaced by another deep low from the north-west. So a hint of a drier interlude around Thursday or Friday (although probably not completely dry either!), before more very unsettled, wet and windy weather next weekend, with a new low sat somewhere over southern UK. Gales an outside possibility for the west Friday night or Saturday.[/font]

[attachment=133140:Rtavn1321 between lows thu.png] [attachment=133141:Recm1682 new deep L weekend.gif] [attachment=133142:Rtavn1801 new L next sat.png]
[font=arial, sans-serif]These lows are within a cool air-mass so temperatures from Tuesday onwards continue to be on the cool side reaching just 10 to 14c. Frosts most likely during Wednesday and Thursday nights when winds are lightest and skies should clear. Winds varying between south-west and north throughout.[/font]
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