Windstorm Nadine was a short-lasting windstorm that formed in the Adriatic Sea in July 2012. It formed with winds of 30 mph (25 kt) moved inland becoming weaker and weaker before being classed as a Post-Windstorm by the second advisory.

Nadine was primarily responsible for thunderstorms across Austria during July 2-3. The European Severe Weather Database reports that a 7 cm (2.75 inches) hail stone fell in Weitendorf. There were ten other reports of hail stones above 3 cm (1.20 inches).

Advisory Date Classification
Advisory 1 July 3, 2012 Extratropical Depression
Advisory 2 July 3, 2012 Post-windstorm