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WindSpeedByZip is a tool for Architects, Engineers and Builders to easily determine the 3-second gust basic windspeed* (Figure 6-1 of ASCE 7-05 and now Design Wind Speed per ASCE 7-10 maps) for any location in the continental United States. To determine the basic windspeed, fill in the address below. You only need to fill in either the city and state or the zip code. You can also click on the map below to find the basic wind speed for that location.

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

This site was developed by Johannessen & Leone Associates - Structural Engineering and Inspections.
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