Sunday, 25 August, 2013 Forecasts for Ireland TODAY ... Partly to mostly cloudy at first with isolated showers, 2-5 mm rain in some parts of Connacht and west Ulster, but this activity will tend to fade away later with more sunshine developing ... breezy at times (WNW 30-50 km/hr) through the morning, then increasingly pleasant with lighter winds ... highs 17 north, 19 central, west and 20-23 C south, east. TONIGHT ... Clearing skies, rather foggy or misty after midnight in some lower lying rural districts. Lows 6-9 C. MONDAY ... Sunny with cloudy intervals, warm with afternoon highs 21-24 C for most, warmest in the south, but some parts of north around 17-18 C. Light northerly breezes may be more noticeable in Ulster and north Connacht where there could also be some longer cloudy intervals. TUESDAY ... Increasing cloud, some light rain likely to spread across parts of the north and west, but some uncertainty about how far this will continue to advance before drying out, so that southeast could remain dry and even partly sunny. In any event rainfalls will be rather light, 2-5 mm potential north and west to trace amounts southeast. Lows 8-10 C and highs 18-21 C for most, 21-24 C possible in southeast if rain holds off. WEDNESDAY to FRIDAY ... Hazy sunshine, warm or very warm, light and variable winds with sea breezes in various coastal regions, light winds inland ... lows 6-10 C and highs 21-26 C warmest inland south and west. This pleasant interval will gradually break down to scattered showers and gusty westerly winds although some sunshine will continue and some parts of the southeast could remain dry. FURTHER OUTLOOK ... Somewhat greater chance of isolated showers on the weekend of 31 Aug-1 Sep although quite a bit of dry weather too and while some models are showing potential for cooler temperatures and gusty winds I am tending to a more moderate solution with highs about 20-22 C south and 16-18 C north, then likely returning to warm and dry 23-26 C in the first week of September under sprawling high pressure. Nights then should be clear with fog patches each morning. Forecasts for Britain TODAY will bring variable cloud, some afternoon sunshine more sustained in west and northwest, scattered showers in east mainly but tending to drift into south central England before dissipating by late afternoon, and highs 18 to 20 in the south and east, 17 to 19 west and north. Most of next week will be warmer and drier except for some rain in Scotland and parts of northern England on Tuesday. Highs will be similar to Ireland in southern and central England, that is near 21 C at first to 25 C later in the week. It may be a few degrees cooler in parts of Scotland especially the west and north. A brief interruption is possible especially in Scotland around next weekend, gusty west to northwest winds and showers may develop but the conditions in southern England may only change slightly before warming back into the mid 20s in early September. The first of the autumnal overnight fog under otherwise clear skies could become a major detail, and this warm, dry settled interval could last several weeks once it resumes, with some highs of about 28-30 C possible in early September in southern England. Forecasts for North America The northeast U.S. and Ohio valley, lower Great Lakes will see an interval of very pleasant sunny weather with low humidity, comfortable overnight lows and warm days near 25 to 27 C. It will be hotter and more humid in the Midwest and central to northern plains states, highs 32-35 C. Some intense storms will develop in Minneosta moving towards the central Great Lakes. Hot and humid in Texas, and an outbreak of heavy monsoonal storms in northern Arizona and southern Nevada-Utah later today ... Las Vegas could see urban flooding with some cells capable of dropping 50 mm rain in the vicinity by afternoon. My local weather on Saturday was mostly cloudy with sunny breaks, and showers in the area although apart from some early morning drizzle we had no rain where I was. -- Peter for IWO
Posted on: Sun, 25 Aug 2013 06:04:52 +0000
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