from the Russian steppes a core of cold air has left their home shores to head for the Mediterranean, this afternoon, the cold air will begin to flow in the Adriatic during the night and reach our island, so will the third wave of cold season.
The difficulty of the models to frame exactly what cold be able to reach the Mediterranean force us to update the forecast every day from here until Friday and we can already say with certainty that this cold spell will be more intense of the two previous one of the coldest of this 2010. There are the snow conditions at very low altitude, since the coastal areas of the north east of the island, roughly from Calagonone up to Olbia and the Costa Smeralda, in the rest of the island's share will be slightly higher and snow will settle, between Wednesday and Friday morning, till about 200 meters. As always, the hardest part will react to predict how the Mediterranean entrance to the cold, where will those minimum pressure capable of destabilization of the air and bring widespread rainfall in many parts of Sardinia, and if that happens many localities, low hill, could see snow from north to south of the region, towns a few miles from Cagliari, as Dolianova, may be able to see the white lady between Wednesday and Thursday. If the Mediterranean will not create any minimum, only those areas of the northeast will be affected by snow showers, while the rest of the island will have to cope with a cold but sunny weather, and if the nights turn out to be peaceful and with little wind, ideal conditions the inversion, at dawn, temperatures can fall without any problems under the zero degrees. (Remember that the last cold spell at Cagliari showed a minimum of only 1 ° C on Sunday, December 5). After writing these trends for the next few days with so many "ifs and buts", now it is for the forecaster draw with some confidence to the forecast Friday for Cagliari, based on modeling the latest updates.
Tomorrow morning the first drafts of cold air will have reached our Cagliari and the wind north-east winds will bring an increase in clouds and it is wrong to exclude some rain in late morning and early afternoon, during the hottest hours of the day difficult for the mercury will exceed 12 degrees and the sun sets, temperatures will quickly below 10 degrees. In the evening the sky will remain cloudy, but there is no further rain, the wind, before north-east winds will become north of the evening. On Wednesday, the cold will become more acute and the lights of the mercury starts to drop about 5 degrees, while the maximum will not exceed 9 degrees during the first hours of the morning you can see brief showers, snow from the 500 meters. Meanwhile, in the northeast until it snows to the plan and most likely from the coast. The evening will be very cold and the temperature drops below five degrees from the 22 already in the evening. On Thursday will be one of the coldest of the year, the minimum will be nearly zero in Cagliari, while the maximum will not exceed 7-8 degrees. Short intermittent showers in the afternoon will bring snow to low altitudes, and therefore all locations to over 200 meters high are likely to see the White Lady. During the evening, temperatures will return again to almost zero degrees at night and will rotate at the Mistral wind. Last Friday morning showers could affect the Cagliari offering the latest snowfall in low altitudes, but the mistral wind, cold but not as cold as that of north-east winds and north, will raise the mercury by the afternoon and the snow turns into rain at odds higher than ever. During the evening, temperatures rarely fall below ten degrees.
so will end this brief but intense cold wave, as I described earlier in this forecast are the result of modeling the latest releases, news updates refer to the article by tomorrow afternoon.
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