Convective coverage has increased markedly over the MD area, with a line of supercells stretching from Luxembourg southward across Northeast France. In addition, new cells initiating over Luxembourg and a small MCS over Central Belgium is moving northward.

A level 2 was issued across E-France, extreme W-Germany and Luxembourg for large hail, severe wind gusts, excessive rainfall and an isolated tornado event. A level 1 surrounds the level 2 with similar risks but lower probabilities.

A level 1 was issued across for tornadoes, hail, very heavy rainfall and wind gusts across Northeast France, Luxembourg, East Belgium, West Germany and Southeast Netherlands.

Numerous level 1s were issued for isolated large hail and severe wind gusts (Spain/E-Netherlands/N-Germany), isolated large hail (N-France) and heavy rain (Alps).

A level 1 was issued across south-eastern and central Germany for large hail and severe wind gusts.

Op 17 januari 2018 kwam er voor de kust van Newfoundland een kleine depressie tot ontwikkeling. Dit lagedrukgebied trok, dankzij een bijzonder sterke straalstroom van ruim 250 km/uur, met grote  snelheid in de richting van Europa. Op 18 januari 2018 trok het lagedrukgebied over het Waddengebied naar Duitsland.