Norton city, VA Roof Snow Load - 15 psf
How much snow is too much for a roof in Norton city, VA?
15 psf: that's what ASCE 7-22 requires a typical heated home's roof in Norton city to carry. §7.3.4's low-slope minimum of 15 psf is what actually governs on a flat or low-pitch roof here - higher than the 10.5 psf the base ground-load formula gives.
Picture it, not just weigh it: 33 in. if it's fresh powder, 12 in. once it settles, or a mere 3 in. if it's ice. A meaningful design load. Most homes built to modern code handle it, but additions, carports, and flat-roofed sections are worth a second look.
Norton city in numbers
- Design roof snow load15 psf
- Ground snow load, ASCE 7 map15 psf
- National rank#1,626 of 2,758
- Virginia rank#101 of 110
- Population3,478
- Annual snowfall, NOAA normal9.2 in.
- FIPS51720
How Norton city compares
15 psf ranks #1,626 of 2,758 US counties with a mapped snow load (top 59%) - and #101 of 110 in Virginia. Virginia counties average 18.3 psf; Norton city runs 3.3 psf lower than that.
Population 3,478 (FIPS 51720), roughly 36.9315°N 82.626°W. The 15 psf ground snow load ASCE 7-22 maps here becomes 15 psf once the code's own design factors are applied.
Typical snowfall in Norton city, VA
NOAA's 30-year normal for Norton city: 9.2 in. of snow a year, from the BIG STONE GAP, VA US station. (fresh vs. packed vs. ice explains why.)
What this Norton city figure assumes
This is a county-level reference figure for a typical heated home built to Risk Category II (ordinary residential), on a partially exposed lot - the assumptions ASCE 7-22 itself treats as the default case. A steeper roof, a fully exposed hilltop lot, an unheated structure, or a higher risk category all change the actual number.
Norton city's permit office wants an address-specific figure, not this county average - the ASCE 7 Hazard Tool is free, takes under a minute, and outputs a PDF most reviewers accept. See the methodology guide.