July 13, 2026 · ACI Adjustment Group
Pennsylvania storms rarely do just one thing. A nor'easter or the remnants of a tropical system can tear at your roof with wind while pushing water up creeks and into basements at the same time. That combination creates one of the most consequential questions in a property claim: was the damage caused by wind or by flood? For coverage purposes, the two are often worlds apart.
How policies treat wind and flood differently
Wind damage — lifted shingles, torn flashing, broken windows, and the rain that gets in through those openings — is typically covered under a standard homeowners policy. Flood, meaning rising surface water that enters from outside, is usually excluded from standard policies and covered only under separate flood insurance, if you carry it. That single distinction can decide whether a loss is paid.
Why one storm creates both
The problem is that both often happen in the same event. Wind opens the building up; water then enters — some as wind-driven rain (a covered path in many cases) and some as ground flooding (often excluded). When the causes overlap, insurers have to apportion the damage, and how that line is drawn drives the outcome. Some policies also contain language about concurrent causes; the specifics depend entirely on your policy.
Documenting which is which
This is where documentation earns its keep. Capture the sequence and source of the damage: roof and envelope damage from wind, water lines and staining that show how high and from where water entered, and the timeline of the storm. The clearer the record, the harder it is for a covered wind loss to be written off as excluded flooding.
What to do
If your storm claim has been narrowed or denied on a wind-versus-flood call, get an independent assessment before you accept it. A licensed Pennsylvania public adjuster can document how the damage occurred and press the covered portions of the claim. ACI Adjustment Group represents policyholders statewide on storm and water losses.