Thursday, 12 September, 2013 Forecasts for Ireland TONIGHT ... Cloudy, rain continuing in south, mild with lows 11-14 C. FRIDAY ... Partly cloudy in most regions, some lingering rain south coast, breezy to windy and not quite as warm, isolated showers, winds increasing later to WSW 40-60 km/hr, lows 8-11 C and highs 16-18 C. WEEKEND OUTLOOK ... Breezy to windy both days and rather warm again at least on Saturday as highs edge back towards 20 C in a moderate W-SW flow. Sunday could be closer to 17-18 C and winds will rapidly increase from a westerly direction with rain spreading into the north, showers further south. Monday then looks quite blustery and a bit cooler. Forecasts for Britain The outlook is broadly similar to Ireland. Forecasts for North America Heavy storms will sweep through the northeast ending a brief heat wave that saw highs reach 35 C in places on Wednesday, then a secondary cold front will terminate all warmth in the east later today or tonight, creating a second band of weaker thundershowers (I saw distant lightning twice in Ottawa and could see more storm action this afternoon). The western half of the continent is baking under brilliant sunshine and highs into the 30s (40s southwest U.S.) and any cooler air is wedged in between over Manitoba, northern Ontario and this will spread south but modify rather quickly to give a fine weekend in most places as eastern and western highs join coast to coast. Eastern Canada will see the remnant low of Gabrielle and locally heavy rain later today. Peter
Posted on: Thu, 12 Sep 2013 19:19:13 +0000
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