San Antonio Downburst Damage: What Businesses Should Document

By Chad T. Wilson Law Firm Staff — based on reporting by Texas Public Radio, August 30, 2026. Read the original reporting here.

The August 28 storm that hit San Antonio is now being described as a downburst, and for local business owners the picture has only gotten clearer — and more expensive. If your business is dealing with San Antonio downburst damage, the losses often reach well beyond the building itself, and documenting them correctly now is what protects your claim later.

Key Takeaways

• The August 28 downburst reportedly hit winds near 60 mph, knocked out power to roughly 112,000 CPS Energy customers, and downed about 250 power lines.
• Business losses can include roof and siding damage, water entry, electrical surge, spoiled inventory, extra expense, and business interruption — each should be documented separately.
• A power outage alone does not guarantee coverage; interruption losses usually must connect to covered physical damage or specific service-interruption policy language.
• Carriers may dispute straight-line wind damage as wear or pre-existing — documentation before repairs is your best protection.

What the August 28 Downburst Did

Updated reporting identifies the storm as a downburst with winds reportedly reaching roughly 60 mph. About 112,000 CPS Energy customers lost power at the peak, roughly 250 power lines were downed, and some restoration stretched into the following week. Reported impacts included widespread tree and line damage — including a tree falling into an apartment building — along with business closures and transportation disruption.

Business Losses Go Beyond the Building

For a business, the storm damage is only part of the story. Spoiled refrigerated stock, lost revenue during a closure, the extra expense of operating from a temporary location, and equipment ruined by an electrical surge can all add up faster than the physical repairs. These belong in your claim — but they have to be proven. A prolonged outage, on its own, does not guarantee coverage; the loss usually has to connect to covered physical damage or to specific service-interruption language in your policy.

Document San Antonio Downburst Damage Before Repairs

Before you make temporary repairs or clear anything out:

• Photograph all damage — roof, siding, windows, signage, interior water entry, and any damaged equipment.
• Keep damaged materials and inventory when it’s safe, until they’re documented.
• Save every receipt — mitigation, generators, temporary relocation, emergency repairs.
• Download your outage records and note exactly when power went out and returned.
• Preserve revenue and cancellation records to support a business-interruption or extra-expense claim.

If Your Claim Is Denied or Underpaid

Straight-line wind claims are a common flashpoint, because carriers sometimes characterize the damage as wear, deterioration, or a pre-existing condition. If your business claim is denied or underpaid on those grounds, that is not the end of the road — documentation and an independent assessment can challenge it.

How Chad T. Wilson Law Firm Can Help

At Chad T. Wilson Law Firm, our property damage lawyers represent Texas homeowners and businesses whose claims were denied, delayed, or underpaid — including storm damage claims and complex commercial losses across the San Antonio area. Headquartered in Webster, Texas, with more than 6,000 claims resolved, we help policyholders recover the full value of a covered loss. Denied, delayed, or underpaid? Contact us today for a free claim review.

Practice Areas

• Commercial & Large Loss Claims
• Storm Damage Claims
• Hail Damage Claims
• Windstorm & Hurricane Claims
• Water Damage & Frozen Pipe Claims
• Fire & Smoke Damage Claims

This article is for general informational purposes only and is not legal advice. Coverage depends on your specific policy, and no outcome is guaranteed.

Sources: Texas Public Radio; KSAT.