Houston sits in the convergence zone where Gulf moisture meets daytime heating, creating the perfect conditions for severe thunderstorms. Between April and October, afternoon storms develop almost daily. These storms produce intense lightning activity, with cloud-to-ground strikes hitting structures across the metro area every single day. The flat terrain means lightning does not preferentially hit higher ground. It hits homes, commercial buildings, and communication towers with equal frequency. The high humidity also increases the conductivity of the soil and structures, which can make surge damage more extensive than in drier climates. A lightning strike in Houston often damages more circuits and more equipment than the same strike would in a less humid environment.
Houston's electrical code, enforced by the city's permitting and inspection departments, requires proper grounding and bonding for all new construction. But thousands of older homes in neighborhoods like River Oaks, West University, and Bellaire were built before these standards existed. If your home was built before 1990, your grounding system may not provide adequate protection against lightning surges. Local electricians who understand Houston's building history and code evolution can identify these deficiencies during a post-lightning evaluation and recommend upgrades that bring your system into compliance while improving safety and insurance eligibility.