Issued: 0530hrs Thursday 17th September 2020
Duty forecaster: Claire Darbinyan

A developing "medicane" system brings stormy conditions to southwest Greece


Thursday
Heavy, thundery rain over much of Portugal as well as central and western Spain on Thursday. Drier and hot in the east with sunshine here. More sunshine in the central Mediterranean. Showers for Italy, a few heavy, although they should be well scattered. Greece will be wet and increasingly windy in the west with heavy, thundery showers. Turkey should be dry with sunny spells and feeling very warm.
France will be mostly fair with sunny spells, although breezy in the north. The Low Countries remain fair with sunny spells. More sunshine to come in Germany and dry here. Remaining fair with more sunshine too in Poland. Showers extending through Austria, Hungary and into Switzerland.
Denmark should be fine and dry with plenty of sunshine here. More sunshine to come over most of Sweden thanks to high pressure here. Windy in Finland and feeling cold in the north wind. Rain in northern Norway but fair to the south.

Friday
Heavy thundery rain spreads across Spain on Friday affecting much of Iberia through the day. Some spells of sunshine develop for Portugal and western Spain. Dry but cloudy for the Balearic Islands. Increasingly cloudy for Corsica and Sardinia too. Ealry showers fade from southern Italy to leave a dry and fine day here. Very wet and windy for southwestern Greece as a strong, tropical-like, storm comes ashore. Cloudy but dry to the north. Mostly sunny for Turkey with isolated showers.
Cloud builds from the south over France with patchy outbreaks of rain spreading over western areas. Dry and fine for much of central Europe with good spells of sunshine for the Low Countries, Germany, Poland, the Czech Republic, Switzerland, Austria, Slovakia and Hungary.
Dry and finen with plenty of sun for Denmark and the Baltic States. Early rain clears from northern Finland leaving a dry, bright afternoon here. Staying dry and bright through Sweden too as well as southeastern Norway. Outbreaks of rain continue for northern and western portions of Norway.