1-inch hail reported 1 mi E of Calumet
Reports relayed through social media from the public, trained spotters and media partners of penny to quarter sized hail in Calumet.
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TPO is a heat-welded single-ply membrane common on commercial and low-slope roofs. It is white and reflective, and seam quality is what mostly decides its lifespan.
NOAA lists no tracked hail, damaging-wind or tornado reports for Keweenaw County from January 2024 to June 2026. Roofs still age: sun, temperature swings and routine storms wear out any roof.
Reports relayed through social media from the public, trained spotters and media partners of penny to quarter sized hail in Calumet.
A report from social media indicated 12 inch diameter trees snapped on Fisherman's Lane in Chassell. Trees were reported down across driveways and roads, with additional fallen limbs of varying sizes around the area.
Broadcast media reported a house along Sparks Drive in the Dead River basin took a lightning strike, disrupting power, uprooting flowers and tree roots, damaging a concrete slab, damaging the power line, and minor damage within the...
Source: NOAA NCEI Storm Events Database, data through Jun 30, 2026. All storm reports for Copper Harbor
| Job | Typical US range |
|---|---|
| Flat roof (TPO / EPDM), average home | $5,000 – $12,000 |
National planning ranges for an average ~2,000 sq ft home, not quotes. Local labor, roof pitch, layers to remove, materials and permits change the price.
A thermoplastic polyolefin single-ply membrane whose seams are heat-welded; common on flat commercial roofs.
Both work. TPO is heat-welded and reflective; EPDM is a rubber membrane with glued or taped seams. Installer experience matters more than the name.
Many cities and counties require a building permit for roof work; the roofing company normally pulls it. Ask who is responsible and request a copy. Check with the Keweenaw County building department for local rules.
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