By Eric Leister, Meteorologist
January 21,2015; 11:40PM,EST
Early this week, a deep trough of low pressure across western Europe kept the region unsettled with areas of rain and mountain snow. While Spain received the most widespread precipitation, rain and snow did fall in parts of France as well.
As this disturbance moves east across the Mediterranean Sea this week, drier air will move into Portugal and interior Spain bringing an end to the widespread rain and permitting a few breaks of sunshine as well.
Even though drier air will build into the area, Thursday will feature numerous showers across the region, but no widespread heavy rainfall is expected.
A strong onshore flow will continue to produce rain and mountain snow across northern Spain, however. These areas could experience some flooding problems as rainfall for the week will 50-100 mm (2-4 inches) through Thursday night.
As cold air remains across the region, snow will continue to fall across the higher terrain. The Cantabrain Mountains in northern Spain as well as the Pyrenees along the border of Spain and France will likely get rounds of snow through the weekend above 1,000 meters (3,300 feet). Even the highest peaks, above 1,500 meters (5,000 feet), in southern Spain can see some snowfall on Thursday.
Snow will also fall in southern France above 1,000 meters (3,300 feet) across the Massif Central. As the week progresses, snow will become more widespread in the Alps from France through Italy and Austria. Snow will also eventually reach the Dinaric Alps where snow is expected from Croatia southward into Montenegro and Serbia.
As this storm moves into the Mediterranean during the middle of the week, it will bring unsettled conditions to more of southern Europe. Through Saturday, the heaviest rain will impact parts of Italy, the western Balkan Peninsula and even the northern coast of Algeria and Tunisia.
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The storm will continue to shift eastward slowly on Thursday and Friday causing downpours to become more widespread across Italy and the western Balkan Peninsula.
Also during this time, a strong north gradient will pile moisture into the northern coastline of Algeria and Tunisia causing daily downpours.
Rainfall on Thursday and Friday will total 25-50 mm (1-2 inches) across these regions with localized amounts in excess of 100 mm (4 inches). Flash flooding will be concern along with mudslides in areas of rugged terrain.
As the storm continues to track east this weekend, moisture running into colder air will result in snow falling from Austria and Slovenia northward into eastern Poland. Snow will mix with rain at times, especially across the higher terrain from Romania into western Ukraine.
Meteorologist Adam Douty contributed to this story.
UK weather TODAY
Spells of rain, sleet and snow edging into western areas. Largely dry elsewhere but turning cloudy pic.twitter.com/5p5uVsDOvh
Travelers: bundle up! Week Starts Wet, Wintry and Cold in Western #Europe #France #travel accuweather.com/en/weather-new…
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