Light

ZIP Code 73741

Alfalfa County, Oklahoma — Helena

15PSF (Ground Snow Load)
LightClassification

What This Means

Alfalfa County, Oklahoma has a light ground snow load of 15 PSF per ASCE 7-22. At this level, most standard residential roofs are designed to handle the load without issue. However, flat or low-slope roofs should still be checked for drifting and sliding snow.

Snow Load Details

ZIP Code73741
CountyAlfalfa
CityHelena
StateOklahoma (OK)
Ground Snow Load15 PSF — Light
Classification Range1 - 20 PSF
Data QualityMeasured

Source: ASCE 7-22 ground snow load polygons via ArcGIS

Roof Snow Load Calculator

ASCE 7-22 flat roof formula:  pf = 0.7 × Ce × Ct × Is × pg

Your ground snow load (pg): 15 PSF

Roof Snow Load: 10.5 PSF

ⓘ Simplified estimate for flat roofs. Sloped roofs, drift zones, and unbalanced loads need additional calculations. Consult a structural engineer for final design.

Alfalfa County Snow Load Map

Counties colored by snow load classification. Gray = No Load, Blue = Light, Amber = Moderate, Orange = Heavy, Red = Extreme, Purple = Case Study.

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Nearby ZIP Codes

73738 10 PSF Light 73739 15 PSF Light 73742 10 PSF Light 73743 15 PSF Light 73744 10 PSF Light

Frequently Asked Questions

What is the ground snow load for ZIP code 73741?

ZIP code 73741 is in Alfalfa County, Oklahoma, with a ground snow load of 15 PSF, classified as light per ASCE 7-22.

Is my roof strong enough for snow in 73741?

With a light ground snow load of 15 PSF, standard residential construction typically handles this load, but verify with your local building code.

What county is ZIP code 73741 in?

ZIP code 73741 is in Alfalfa County, Oklahoma (OK).