A swirling mass of storm clouds dominates the upper half of Snow Storm: Hannibal and his Army Crossing the Alps, with a pale disc of sun or moon barely visible through the tumultuous sky. Below this vortex, a slanting shaft of white light cuts across the center, illuminating a rugged mountain landscape and casting deep shadows over the figures and rocks that crowd the lower edge. Large, angular boulders jut into the foreground, their dark shapes anchoring the composition and contrasting with the luminous, almost abstract play of light and mist that fills the middle and right portions of the canvas.

To the right, the mountain slopes rise steeply, their outlines blurred by streaks of snow and wind, evoking the violence of the storm and the peril faced by the figures below. Every surface appears animated by the rapid, swirling brushstrokes, which create a sense of movement and chaos that envelops the entire scene. A group of figures huddles together in the lower left, some seated and some standing, with several appearing to gesture or reach toward each other amid the chaos.

Near the center foreground, a figure draped in red cloth stands out against the darker earth tones, providing a vivid accent of color. In the lower right corner, indistinct figures and objects are barely visible, almost swallowed by the swirling darkness and mist. The background beyond the illuminated center fades into a hazy, blue-grey distance, with indistinct ridges and peaks suggesting further mountains shrouded by the storm.

Loose, energetic brushstrokes define the edges of the rocks and figures, while the sky is rendered with sweeping, blended strokes that create a sense of atmospheric turbulence. Snow Storm: Hannibal and his Army Crossing the Alps was created by J. M. W.

Turner between 1810 and 1812, and first exhibited in 1812 at the Royal Academy of Arts's annual Summer Exhibition. The work is recognized as a history painting, a genre traditionally reserved for grand narratives, and represents Turner's ambition to elevate landscape painting within the hierarchy of art. Snow Storm: Hannibal and his Army Crossing the Alps is now regarded as one of Turner's most influential works, and is exhibited at Tate Britain in London as part of the Turner Bequest.