A linear band of elevated convection near the west coast of the Netherlands and Belgium is slowly moving eastward. The air-mass ahead of it is characterized has strong deep-layer shear of about 20 to 25 m/s. Across the northern Netherlands and extreme NW Germany, high enough low-level humidity may be present to support surface-based convection.

A level 1 was issued for the Benelux countries, eastern France, Poland, Slowakia mainly for severe wind gusts and large hail and to a lesser extent excessive precipitation and tornadoes.