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Basic Wind Speed, Ground Snow Load, Seismic Coefficients per ASCE7

Regarding this service: This website returns the values of wind speed, ground snow and seismic for the continental United States per ASCE 7-05. The information reflects the ASCE 7-05 maps electronically to speed up critical design project information and displays easily for your convenience. Your searches are archived in your profile.

Latest Code: ASCE7-10 Design Wind Speeds are now displayed to members in addition to ASCE7-05! JOIN NOW

Street: City: State: Zip: Recent
Windspeed Contour Lines
90   100   110   120   130   140   150
( Wind speed in MPH )
Hatched Areas
Special Wind Area
Contact the local building official
for design windspeed information.
CA, OR & WA are 85mph

Instantaneously Get Your Design Information For Your Next Building or Project

* 3-second gust basic wind speed and ground snow derived from figure 6-1 and 7-1 of ASCE 7-05 respectively. Local codes and amendments may govern, verify with local building department.

This site was developed by Johannessen Consulting - Structural Engineering and Inspections.
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