Image 1 of 1 Stormwarning IV (T-14-24) $0.00 November 2014. Slate, pigmented steel. Dimensions: 27.5 × 31 × 7 in (70 × 79 × 18 cm). Add To Cart Added! November 2014. Slate, pigmented steel. Dimensions: 27.5 × 31 × 7 in (70 × 79 × 18 cm).