February 2019 was exceptionally warm in much of Western Europe, and new monthly records were established during the last week of the month in data series going back more than 100 years. So, what were the origins of the exceptional warmth? In this article, we examine the sources of the warm air, the mechanisms that led to temperatures well above those expected late in the winter season.

中文翻译：

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2019年2月在英国，海峡群岛，法国和荷兰破纪录的温暖

2019年2月在西欧大部分地区异常温暖，并且在本月的最后一周建立了可追溯100多年的数据系列的新月度记录。那么，异常温暖的起源是什么呢？在本文中，我们研究了暖空气的来源，其导致温度远高于冬季后期预期温度的机制。