Saturday, September 24, 2011

Month ahead: Valid from 24/09 to 21/10 2011 - Unsettled start to October, Sep 17 - 23:26

UK prospects for the period 24/09/2011 - 21/10/2011 High pressure looks as if it'll be situated to the west southwest of the UK during latter stages of September ridging through at least southern and western Britain, so there's the potential for some drier, bright and reasonable weather to be seen here, perhaps not so favourable elsewhere. A we move into the beginning of October, there are indicators of more widespread autumnal weather as low pressure becomes the controlling influence both across the UK and the Atlantic, this rather mixed regime looks as though it'll extend into the middle of the month until a recovery of pressure takes place and a large anticyclone settles over the country. For a time it'll be settled, however there are signals that it turns unsettled and rather cold from mid-month, a real autumnal spells developing. *24/09/2011 -1/10/11* High pressure should be ridging across the bulk of southern Britain where winds will be mainly light to variable and given variable cloud it shouldn't be feeling too bad, a more noticeable south-westerly breeze established across north-western and northern areas will be feeding generally more cloud and patchy cloud in form off the Atlantic, mainly areas exposed western regions. Given that low pressure tracks across to the north of the UK and as the ridge declines and pulls back into the Atlantic, it'll turn generally cooler and showery everywhere, a cooler north-westerly flow establishing. The flow looks as if it'll revert to a westerly across the north as pressure rises across the south, England and Wales should become mainly dry and settled, quite pleasant in the sunshine feeling cool where cloud persists, across the north it'll be rather unsettled with outbreaks of rain and a fresh breeze. These mainly west to north-westerly rather variable conditions look set to continue into the beginning of October. *02/10/2011 -8/10/11* It is here that it looks as if the whole of the UK will see a rather more autumnal regime establishing at least for a short time. Wet and quite windy weather is set to move into all areas with low pressure taking control as it tracks either directly into or close to the UK. It'll be feeling cool everywhere due to the combined effects of rain, cloud and wind. Brighter and showery conditions with blustery showers will follow from the west and northwest as low pressure clears to the east. Showers will pack into the west and spread through all areas before beginning to die away as pressure recovers. *09/10/2011 -14/10/11* High pressure looks as if it'll be building across the UK, stretch across the central swathe of the country, only the extreme far north seeing a brisker westerly breeze. The first taste of true autumn is likely here; clearing skies overnight is likely to lead to rather chilly conditions with the development of mist and fog, this may be dense in places and not clear completely through the day, so where it persists it'll be cold and cloudy. Where it does disperse it'll be pleasant enough with late autumn sunshine and variable winds. *15/10-2010 -21/10/11* It is possible that we may skip a season here, and by that I mean it may feel like early winter than autumn? As high pressure pulls back into the mid-Atlantic, low pressure may bring a cold blast of northerly air down through all areas, it'll be windy and cold too not a pleasant mixture. This wet and cold weather should clear into showers from the west and northwest, drier weather edging into western Britain. It'll remain chilly and as winds fall light, there's the prospect of mist, fog and potentially frost overnight. Through to the end of the forecast period it looks as if it'll be remaining rather chilly and unsettled with further showers or longer spells of rain, autumn most certainly upon us. Simon & Captain Bob Email me at simon.keeling@weatheronline.co.uk


Source: http://feeds.weatheronline.co.uk/~r/weatheronline/~3/ExgAeA1UKVU/reports

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