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Alps Weather Blog 15th March 2013

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J10

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[size=4][font=arial,helvetica,sans-serif][b]Alps Overview[/b]

[url="http://www.snow-forecast.com/overviews/tips_full"]http://www.snow-fore...views/tips_full[/url][/font][/size]

[size=4][font=arial,helvetica,sans-serif]After recent milder temperatures and spring snow conditions there has been a fall in temps over recent days, and with it some fresh snowfalls which have again created great snow conditions.

For much of the week, pressure over the Alps will be low, but with little variation in pressure, so light winds, and this should mean some hefty showers may develop more especially in the afternoon. Turning colder later in the week as winds turn round more to the North East.[/font][/size]

[b]Synoptic Summary[/b]

This weekend starts with High Pressure to the west of the UK running into Southern Greenland, with low pressure over much of Europe, the Alps has southerly winds but the Returning Polar Maritime air mass means 850Hpa temps around zero.

[attachment=164667:16 Mar.JPG]

The trend for next week is for pressure to build very strongly over Greenland and right the way through Northern Europe, reaching 1060mb over Greenland, and 1040mb Svalbard to Norway by mid next week. Low pressure remains over much of North West mainland Europe and over the Alps, with 850HPa temps generally remaining around zero.

[attachment=164668:18 Mar.JPG]

[attachment=164669:20 Mar.JPG]

[attachment=164671:22 Mar.JPG]

These generally cold conditions combined with low pressure gives the chance of further snow more especially over higher slopes.

[size=4][font=arial,helvetica,sans-serif][b]Alps Detail[/b][/font][/size]

[size=4][font=arial,helvetica,sans-serif][b]Sat 16 March[/b]

A bitterly cold start to the weekend with freezing levels down to Sea Level. Dry for most places during the day, although some patchy precipitation into western areas by late evening.

Freezing Level (3pm) Southern Germany 500m-1300m (E to W), French Alps 1400-1600m, Switzerland 1000-1600m, Italian Alps 600m-1200m, Austria 400m-1400m (E to W)

[attachment=164659:16 Mar Alps.JPG][/font][/size]

[size=4][font=arial,helvetica,sans-serif][b]Sun 17 March[/b][/font][/size]

[size=4][font=arial,helvetica,sans-serif]Dry over Eastern areas, but some patchy precipitation in some western areas continuing overnight heaviest of Italy and Switzerland border, precipitation tending to build during the day to become heavy over Eastern France, Western Germany, parts of Switzerland and Northern Italy by midnight.

Freezing Level (3pm) Southern Germany 600-1800m (E to W), French Alps 1200-1600m, Switzerland 8000-1800m (S to N), Italian Alps 800-1200m, Austria 400m-1400m (NE to SW)[/font][/size]

[attachment=164655:17 Mar Alps.JPG]

[size=4][font=arial,helvetica,sans-serif][b]Mon 18 March[/b][/font][/size]

[size=4][font=arial,helvetica,sans-serif]Heavy precipitation overnight and into the morning for much of Northern Italy, the French Alps and also fringing SW Germany, W and S Switzerland and parts of Southern Austria. During the day the main area of precipitation moving East over Northern Italy, in places with Northern Italy and with some heavy precipitation also for southern Switzerland and Austria, by evening the eastward [progression continuing but with some precipitation possible quite widely across the Alps. Some appreciable snowfall possible during the day, possibly 15-20mm above around 1200m in Central Northern Italy and SE Switzerland mostly likely spots at the moment.

Freezing Level (3pm) Southern Germany 600-1600m ( W to E, 2100m far East) French Alps 900-1300m (NW to SE), Switzerland 600-1500m (NW to SE), Italian Alps 900-1500m, Austria 900m (far E), 1500-1800m generally.

[attachment=164654:18 Mar Alps.JPG][/font][/size]

[size=4][font=arial,helvetica,sans-serif][b]Tue 19 March[/b]

Precipitation continuing overnight largely falling as snow, this generally continuing during the day, snow generally above 1000m, and closer to 500-600 for Northern and Western areas.

Colder than recently with Freezing Levels (3pm) Southern Germany 700-1100m, French Alps 700-1200m (NW to SE), Switzerland 700-1300m (NW to SE), Italian Alps 1100-1300m, Austria 700m-1300m (NE to SW).

[attachment=164653:19 Mar Alps.JPG] [/font][/size]

[size=4][font=arial,helvetica,sans-serif][b]Wed 20 March[/b]

Bitterly cold overnight, and dry to start in most areas however, some snow (above 500m) is likely in some western areas. During the afternoon, some showers popping up again quite widely but always with the chance of some heavier precipitation towards the France Switzerland border.

Freezing Level (noon) Southern Germany 800-1100m, French Alps 900-1200m (NW to SE), Switzerland 900-1200m (NW to SE), Italian Alps 1100-1300m, Austria 1200-1400m

[attachment=164652:20 Mar Alps.JPG][/font][/size]

[size=4][font=arial,helvetica,sans-serif][b]21 March and 22 March [/b]

Looking cold to start on Thursday with some precipitation in more Northern areas, this should largely fall as snow, perhaps a bit milder weather spreading in from the west on Friday.

[attachment=164651:21 Mar Alps.JPG]
[attachment=164650:22 Mar Alps.JPG][/font][/size]
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