How to Spot Storm-Damaged Trees Before They Fall
Severe weather can turn a healthy-looking tree into a serious hazard within minutes. High winds, lightning, hail and saturated soil may weaken branches, split trunks or loosen roots without causing an obvious collapse. The danger often appears later, when another gust or heavy rain exposes the hidden damage.
A quick inspection after a storm can help identify unstable limbs and leaning trees before they fall onto a roof, driveway, fence or power line. However, safety comes first. A damaged tree can shift unexpectedly, and branches caught in electrical wires are especially dangerous.
The warning signs are similar in many regions, but local conditions affect the type of damage you see. In Australia, eucalyptus trees may shed heavy limbs during heat, drought or thunderstorms, while tropical cyclones can break palms and large branches across northern Queensland and the Northern Territory. In South Dakota, rapid summer storms, ice and heavy snow create a different set of risks.
The following checks are useful for homeowners, landlords, businesses and property managers. They can help you decide whether a tree needs monitoring, urgent isolation or an inspection by a qualified tree professional.
Look for changes in the whole tree
Begin from a safe distance and compare the tree with its appearance before the storm. A new lean, a flattened crown or a branch hanging lower than usual may indicate structural failure. The tree may also look lopsided if one major limb has broken or shifted.
Inspect nearby trees as well. Wind can create a domino effect, particularly where trees are crowded or where one tree has already fallen against another. A tree that appears intact may have been pulled sideways by a neighbouring trunk or may now be supporting extra weight.
Do not stand beneath the canopy while making this first assessment. Use a window, driveway or another clear location if possible. Online reputation can be useful when researching a contractor, so check customer review details alongside licensing, insurance and evidence of genuine tree-care experience.
Check the ground around the trunk
Freshly exposed roots are one of the clearest signs that wind has disturbed a tree’s root plate. Look for lifted soil, new cracks, mounds of earth or a gap opening between the trunk and the ground. These signs are more concerning when the tree is leaning or the soil is wet.
Saturated ground reduces the grip around roots, making trees more vulnerable during strong gusts. In Australia, this can happen after intense summer rain, a cyclone or a long wet period. Clay soils may swell and shift, while sandy coastal soils can provide less support after erosion or flooding.
Avoid walking over raised roots or pressing against the trunk to test its stability. Keep children, pets and vehicles away from the area. A tree with a partially lifted root plate can fall long after the original storm, particularly when the canopy catches another burst of wind.
Inspect trunks, forks and major limbs
Look for vertical cracks, fresh splits, missing bark and areas where the trunk has opened at a fork. A deep crack extending into the main stem is more serious than a shallow surface mark. Cracks at narrow branch unions, known as included-crotch defects, can allow a heavy limb to separate suddenly.
Broken branches may remain lodged in the canopy. These suspended limbs are sometimes called hangers, and they can fall without warning. Also check for freshly exposed pale wood, jagged break points and branches resting on other limbs. Even a small branch can cause injury when it drops from height.
Deadwood already present in the canopy can make storm damage harder to recognise. Removing dead, weak material supports overall tree health and reduces the amount of loose debris available during high winds; this explanation of deadwood removal benefits provides useful background for property owners planning routine maintenance.
Notice subtle canopy and leaf symptoms
Storm stress is not always visible as a dramatic split. Leaves may wilt, turn brown or hang unevenly on one side of the crown. A branch may still carry foliage while its supporting wood has cracked. Watch for a sudden change in the amount of sunlight passing through the canopy.
Hail can strip leaves and damage young bark, while lightning may leave a narrow scar, burn marks or a long vertical split. Lightning damage can also affect internal tissues without producing a large external wound. A tree that appears healthy immediately after a strike may decline over weeks or months.
Some trees naturally shed branches, especially eucalypts during stressful conditions. That does not mean every fallen limb is harmless. Large limbs, branches over buildings and dead branches near paths deserve prompt attention, even if the tree is a species known for regular shedding.
Treat power lines and structures as exclusion zones
Never prune, pull or climb a storm-damaged tree touching a power line. Keep well away and contact the electricity distributor or emergency service according to the local situation. In Australia, residents may need to report urgent hazards through their state or territory electricity provider, while life-threatening situations should be directed to Triple Zero (000).
A branch resting on a roof, car, fence or shed can be under significant tension. Cutting it without understanding the pressure points may cause it to spring, roll or bring down another limb. Windows, gutters and solar panels may also be damaged when a branch is moved incorrectly.
For homes and businesses, block access beneath the affected canopy and use visible barriers where practical. Do not rely on a casual chainsaw operator for trees near buildings, roads or services. The work may require climbing equipment, rigging and a planned removal sequence.
Know when an arborist is needed
Professional assessment is appropriate when a tree has a new lean, root lifting, a split trunk, a broken leader or a large hanging branch. It is also wise to arrange an inspection when the tree is tall, close to a structure or located where falling wood could injure people.
A licensed arborist can assess defects that are not obvious from the ground and recommend pruning, bracing, monitoring or removal. The right response is not always tree removal. Carefully selected pruning may reduce weight and improve stability, while removal may be necessary where the root plate has failed or the trunk is severely compromised.
If you manage rental homes, strata properties, schools or commercial grounds, record the date of the storm and take photographs from a safe position. Notify occupants and document any restricted areas. For Sioux Falls homeowners and property managers, Arbor Pros ATS offers professional tree trimming overseen by a licensed arborist, with a free estimate available for planned or urgent tree-care needs.
Choose a safe response after the weather clears
Do not assume that a tree is safe simply because it has remained standing for several hours. Wind-damaged wood can continue to move, and weakened roots may fail during a later storm. Recheck the property after heavy rain or another period of strong wind.
Australian property owners should also consider bushfire and council requirements. In some areas, local rules apply to protected trees, significant trees or vegetation near boundaries. In bushfire-prone regions, pruning and fuel reduction must be handled carefully so that the work supports safety without damaging the tree or breaching local regulations.
The following comparison can help separate signs that need observation from conditions requiring prompt professional attention.
| Sign after a storm | Possible meaning | Sensible response |
|---|---|---|
| A few small twigs on the lawn | Minor canopy shedding | Collect debris when safe and monitor the tree |
| Freshly broken medium branch | Localised limb failure | Keep people clear and arrange an arborist inspection |
| Large branch hanging in the canopy | Unstable suspended wood | Isolate the area and do not attempt DIY removal |
| New lean or lifted soil | Root or root-plate movement | Treat the tree as hazardous and seek urgent advice |
| Deep trunk split or open branch union | Major structural defect | Keep well away and arrange professional assessment |
| Tree touching power lines | Electrical and falling-object hazard | Stay clear and contact the electricity provider or emergency service |
Make storm inspections part of property care
A sensible inspection routine starts before severe weather arrives. Note trees that overhang roofs, roads, playgrounds, pools and frequently used paths. Look for dead branches, weak forks, cavities and previous storm wounds during dry conditions, when access and visibility are better.
Routine pruning should be based on the tree’s species, age, structure and location. Excessive cutting can create large wounds, stimulate weak regrowth or reduce the canopy too quickly. This matters in Australia, where heat and drought can compound the stress caused by poor pruning, and in Sioux Falls, where trees must cope with freezing temperatures, snow and intense thunderstorms.
Use this short checklist after a significant weather event:
- View the tree from a safe distance before entering the canopy area.
- Check for new lean, lifted roots, soil cracks and exposed root flare.
- Look for split trunks, hanging branches, fresh wounds and missing bark.
- Keep people and vehicles away from trees near buildings or power lines.
- Photograph visible damage without climbing or using a ladder.
- Arrange a qualified arborist inspection for any major structural change.
A careful response protects people while giving the tree the best chance of recovery. When warning signs are present, early professional advice can prevent a damaged limb from becoming a much larger repair, insurance and safety problem. Property owners in the Sioux Falls area can contact Arbor Pros ATS for an assessment and free estimate before the next storm puts additional pressure on an already weakened tree.