roofers
Signs of Roof Damage After Santa Ana Winds
After a Santa Ana wind event, look for lifted shingles, slipped tile, loose ridge caps, and clogged vents. Learn to inspect from the ground and document claims.
In This Article
Signs of Roof Damage After Santa Ana Winds
The first strong Santa Ana of the season usually shows up in October, and by the time it calms down, plenty of Southern California homeowners are staring at a pile of palm fronds in the driveway and a few broken tiles in the side yard. The obvious debris is easy to spot. The damage that causes leaks in January is harder to see from the ground.
Santa Ana winds are dry, gusty, and fast, and they tend to hit the same areas again and again: the Inland Empire, the San Fernando Valley, the foothills above Pasadena, and the canyons of Orange County. Here is what to look for after a wind event, how to check without climbing onto the roof, and when it makes sense to call in a professional.
Why Santa Anas Are Hard on Roofs
These winds come down from the high desert and pick up speed as they funnel through mountain passes and canyons. Gusts in exposed spots can top 60 miles per hour, and the air is so dry that roofing materials, sealants, and wood trim are already brittle when the wind arrives.
The season generally runs from fall into winter, and it overlaps with the start of the rainy season. That timing is the real problem. A lifted shingle or cracked tile may not leak for weeks, then the first storm of the winter finds it.
Wind does not have to rip a roof off to cause trouble. Most damage from a Santa Ana is small: a few shingles creased at the seal line, tiles shifted an inch, a ridge cap loosened, or flashing pulled back at a corner. Each of those is a path for water later.
Damage to Asphalt Shingle Roofs
Asphalt shingles are common on tract homes throughout the Inland Empire and the Valley. They are held down by nails and a strip of sealant that bonds each shingle to the one below. Strong gusts get under the edge, break that seal, and flip the shingle back.
Age plays a big part in how well a shingle roof rides out the wind. A roof in its first few years usually has strong, flexible sealant, while a 15 or 20 year old roof in Riverside or Rancho Cucamonga has spent a long time baking in summer heat. That older sealant lets go more easily, and brittle shingles tend to snap instead of bending back into place.
Lifted and Creased Shingles
A creased shingle has been bent upward far enough to leave a horizontal line across it. From the ground, it can look like a faint shadow or a stripe of lighter color along one row. Even if the shingle has settled back down, the seal is broken and the next gust will lift it again.
Look closely at the roof edges, the rakes on the gable ends, and the slopes facing northeast, since Santa Anas typically blow from that direction. Those areas take the brunt of the wind.
Missing Shingles and Granules
Missing shingles are the easiest sign to spot, especially on older roofs where the sealant has dried out in the sun. Check the yard and the gutters for pieces of shingle, along with heavy piles of granules that look like coarse sand.
A few missing tabs can often be replaced for a few hundred dollars. If the roof is near the end of its life and shingles are coming off all over, a roofer may tell you repairs will not hold.
Damage to Clay and Concrete Tile
Tile roofs cover a large share of homes in Orange County, the Inland Empire, and the hillside neighborhoods of the Valley. Tile is heavy and resists wind better than shingles, but it is also brittle and relies on fasteners, clips, or mortar that can fail.
Slipped tiles are one of the most common post-wind problems. A tile that has shifted even slightly exposes the underlayment beneath it to sun and rain. In many older tile roofs, that underlayment is already near the end of its life, so a small gap can turn into a leak quickly.
Cracked tiles happen when debris hits the roof or when loose tiles rattle against each other in gusts. Clay tile often cracks cleanly, while concrete tile may chip at the corners. Look for broken pieces in gutters, on patio covers, and along the base of walls.
Ridge Caps, Flashing, and Edges
The ridge is the highest point on the roof, and it catches the strongest wind. On shingle roofs, the ridge cap shingles can peel back. On tile roofs, mortar-set ridge tiles can loosen or crack, especially on older homes where the mortar has been baking in the sun for years.
Flashing is the metal that seals the joints where the roof meets a wall, a chimney, a skylight, or a vent pipe. Wind can pull flashing loose at a corner or bend it away from the surface. From the ground, look for any metal edge that appears lifted, bent, or out of line with the rest.
Drip edge and rake trim along the edges of the roof can also pull away. Loose trim often flaps or rattles during the next windy night, which is a clue worth following up on.
Debris, Embers, and Vents
Palm fronds are the classic Southern California wind debris. A large dry frond hitting a tile roof at speed can crack several tiles, and fronds caught in valleys or gutters trap water and leaves once the rains start.
Branches from eucalyptus, pine, and sycamore trees cause similar damage. Clear anything resting on the roof as soon as it is safe, and have a pro look at any spot where a heavy limb landed.
Wildfire risk is the other side of Santa Ana season. Dry debris on a roof or packed in gutters gives embers something to ignite, and embers can travel a long way ahead of a fire.
Keep gutters and roof valleys clear through the season, and check that attic and eave vents have intact metal mesh screens. Torn or missing screens are an easy entry point for embers, and a roofer can replace them with fine mesh or ember-resistant vents.
How to Inspect From the Ground Safely
Climbing onto a roof after a windstorm is how people get hurt. Tiles break underfoot, shingles are slick with granules, and loose pieces can slide. A careful ground inspection will catch most of the problems worth reporting.
Work through these steps once the wind has died down:
- Walk the full perimeter of the house and look for debris, broken tile, or shingle pieces on the ground.
- Use binoculars or a phone camera zoom to scan each slope, the ridge, and the edges.
- Look for rows of shingles that appear lighter or uneven, and tiles that sit out of line with their neighbors.
- Check gutters for granules, tile fragments, and fronds.
- Go into the attic with a flashlight and look for daylight, damp spots, or displaced insulation.
- Look at ceilings inside the house for new stains, especially after the first rain.
If you use a ladder to see the gutters, set it on solid ground with someone holding it. Stay off the roof itself.
Documenting Damage for Insurance
Wind damage is generally covered under standard homeowners policies in California, subject to your deductible. The insurer will want to see that the damage is new and tied to a specific event.
Photograph everything as soon as it is safe. Take wide shots of each side of the house, close-ups of any broken tile or missing shingles, and photos of debris before you clean it up. Note the date of the wind event and save any local news or weather reports about it.
Keep receipts for tarps, emergency repairs, or debris removal. Many policies expect you to take reasonable steps to prevent further damage, and those costs are often reimbursable. Before you file, ask a roofer for a written assessment so you know whether the repair cost is likely to exceed your deductible.
When to Call a Roofer
Call a roofer if you see missing shingles, more than a couple of slipped or broken tiles, lifted flashing, or any sign of water in the attic. Also call if a large branch or a heavy frond cluster hit the roof, even if nothing looks broken from below.
Minor wind repairs in Southern California often run a few hundred dollars, while replacing sections of tile underlayment can reach several thousand. Local contractors fill up quickly after a major wind event, so reach out early and get on the schedule before the rains. You can compare roofing contractors near you and find more seasonal home maintenance tips on our homeowner blog.
Frequently Asked Questions
How soon after a Santa Ana should I check my roof?
Do a ground inspection within a day or two, once the wind has fully stopped. Getting a roofer out before the first winter rain gives you time to fix anything that could leak.
Can wind damage show up weeks later?
Yes. A shingle whose seal broke during a gust may stay in place until the next windy day, and a slipped tile may not leak until water runs under it in a storm.
Will my insurance cover old tiles that were already cracked?
Insurers usually cover sudden damage from a specific event, not long-term wear. Dated photos of your roof from before the season can help show which damage is new.
Are tile roofs better than shingles in Santa Ana country?
Tile is more resistant to fire and heavy wind, but it can crack from debris and depends on its underlayment to stay watertight. A well-installed Class A shingle roof also performs well, so the condition of the roof matters more than the type.