Hail in Walker County, Alabama

Nickel-size hail estimated from social media picture, along Hwy 195 in Thach.

Scattered supercell thunderstorms developed near a slow-moving frontal boundary during the afternoon and evening hours on February 26. Cold temperatures were present aloft with strong deep layer shear but relatively weak low-level shear. Scattered severe hail reports were received, with the largest hailstones falling in portions of Blount, Jefferson, and St. Clair counties, as large as two inches in diameter. Damaging winds also occurred, with the most significant wind damage in Pinson where a microburst occurred. A hail storm associated with the microburst resulted in accumulating hail that covered the ground and resulted in the formation of hail fog. In addition, a brief EF-0 tornado also moved through Trussville, damaging some commercial and industrial buildings as well as homes, most of which was minor.