Thunderstorm Wind — St. Clair, Alabama

2024-05-09 · near Caldwell, St. Clair, Alabama

Event narrative

A few trees were uprooted along I-59, Chandler Mtn Rd, and Mosley Rd in northern St. Clair County.

Wider weather episode

An upper-level shortwave moving southward across the South along with an associated surface cold front instigated an outbreak of severe weather across Tennessee and North Alabama. This activity reached Central Alabama by the morning of May 9 in the form of a Mesoscale Convective System (MCS) which affected portions of the state east of I-65 with numerous reports of tree damage. A second wave of activity during the afternoon saw several developing supercells over the central and western part of the state, producing several instances of wind damage, hail, and flooding. Up to 4-inch hail fell in the Blount County community of Holly Springs. This activity congealed into a bow echo which heavily affected portions of Elmore, Tallapoosa, Macon, and Barbour counties with many trees and power lines downed. Another MCS passed through southern portions of Central Alabama overnight, resulting in more tree damage in Marengo and Barbour counties.

View location on OpenStreetMap → (33.8100, -86.3500)

Source: NOAA Storm Events Database, event_id 1167198. Narrative written by the NWS forecast office that issued the report.