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WeatherBlog 16 2019/20 | Outlook and first winter review

Very warm winter worldwide

by Lea Hartl 03/04/2020
Somehow it feels like winter is just beginning, at least if you are traveling in the areas currently blessed with fresh snow. Winter in terms of meteorological statistics, on the other hand, has come to an end at the turn of the month and the weather services are presenting their reviews.

The meteorological winter, i.e. December, January, February, was colder than the climatological average in most of Alaska, in northwest Canada and in phases in Svalbard and Greenland. Everywhere else it was something between fairly mild to extreme and record-breaking warm, with a certain tendency towards the latter. In Moscow, the warmest winter since measurements began was recorded, with more than 6°C above the average winter temperature. The previous record holder was "only" 3°C above average, so the record was not only just broken, but easily wiped away. Depending on where the normal average temperature lies, +6°C can quickly make the difference between snow and rain. It's not just Moscow that is lacking snow, the landscape in Helsinki and large parts of southern Scandinavia is also the brownest or greenest it has been since records began.

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The meteorological winter, and February in particular, was also record-breakingly warm in the Alpine region. Meteo Switzerland speaks of a "new temperature dimension". For the fourth time in recorded history, the national average temperature in the winter months was above freezing. What can be described as a "normal" winter in terms of temperature in the last thirty years would have been an unusually mild winter in previous periods. In Germany, 2019/20 was the second warmest winter in recorded history after 2006/07, as it was in Austria. The ZAMG points to impressive record temperatures at some mountain stations, such as +3.9°C at Sonnblick (3109m) on February 17. The average daily maximum temperature in February at this station is -9°C. In Germany, the most frequently repeated parameter seems to be the temperature-related failure of the ice wine harvest.

There was certainly precipitation in winter 2019/20, but often not in the desired state of aggregation. In Germany, it was mostly wetter than average, while in Austria and Switzerland it was also wetter on the northern slopes of the Alps and somewhat too dry on the southern slopes. There were negative snow-related records, especially at low altitudes; for example, there have never been so few days with snow cover in some Austrian cities

Outlook

The start of spring will be as wintry as winter has rarely been. Due to the rising continental high in the east, the Atlantic current will be somewhat blocked and the frontal zone will undulate in the area of Central Europe. Today, Wednesday, the Alpine region will be under the influence of a trough in a cool north-westerly current. After a rather cloudy morning, it will gradually become dry, and in the afternoon the sun should start to shine through in the east. On Thursday, the next disturbance will approach from the west. The precipitation will be concentrated in the west and south, the snow line will fall from west to east and it will be warmer overall. We'll leave the details to the oracle, who has announced a report for this evening. Friday and Saturday will remain cloudy with slightly lower temperatures, the southern slopes of the Alps will be more favorable and sunny. From today's perspective, Sunday will be clearer, but not bright and sunny. At the start of the coming week, the forecast will increasingly see the return of westerly weather in the familiar manner with a significantly milder SW current.

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This article has been automatically translated by DeepL with subsequent editing. If you notice any spelling or grammatical errors or if the translation has lost its meaning, please write an e-mail to the editors.

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