Fast-moving storm brings hail, heavy rain across Seminole County

Hail and heavy rain moved through Sanford, Lake Mary and other Seminole County communities on May 12, creating a short-notice weather threat that could disrupt driving, school pickup, errands and outdoor work. FOX 35 documented the storm with photos, videos and a time-stamped timeline as the system crossed Central Florida.

The storm moved through Seminole and Orange counties at about 10 mph, a slow enough pace to keep neighborhoods under threat for longer but fast enough to make the worst conditions feel abrupt. The warning was extended to 2:15 p.m., and the warning area broadened to include southeastern Seminole County, northwestern Brevard County and southeastern Orange County. That put residents in places such as Sanford, Lake Mary, Winter Springs, Altamonte Springs and Oviedo in the path of a storm system that arrived with little room for adjustment.

The visual record of the event mattered because it showed how quickly conditions changed. FOX 35’s timeline put the storm active just before noon, underscoring how fast a midday weather system can build and move across a densely developed county. Even a brief burst of hail and heavy rain can mean sudden visibility problems on major roads, wet intersections, temporary ponding in low-lying areas and minor damage to cars, roofs and landscaping.

For Seminole County, the bigger takeaway was not just that a warning existed, but where it mattered most. In a county where many residents are driving between neighborhoods, schools and work sites around the lunch hour, a storm moving at 10 mph can be enough to slow traffic, delay pickups and interrupt outdoor crews before the weather has fully cleared. The broadening of the warning into southeastern Seminole County also signaled that the risk was not confined to one city or one corridor.

The storm fit a familiar Central Florida pattern: fast-changing weather in the warm season, with hail and heavy rain arriving before people have much time to react. With hurricane season approaching and afternoon thunderstorms becoming more common, the May 12 system served as a reminder that even a brief storm can have visible consequences across Seminole County, especially when it lands over Sanford, Lake Mary, Winter Springs, Altamonte Springs and Oviedo all at once.