This site uses the now discontinued free Google geo data API which no longer works. This site will be taken offline soon.
Please start using the new site at


This website has been funded initially by the ATC Endowment Fund because of its importance to practicing professionals. We encourage you to help sponsor this site by making a donation to the ATC Endowment Fund to defray this initial website development cost and the cost of ongoing maintenance. Your name (or your firm’s name) will be listed on this page and if you wish, a link will be created from this Sponsor page to your website so others who find this Sponsor page can also find you. The ATC Endowment Committee has created the following contribution levels for founding sponsors/contributors:

  • Tornado: $5,000
  • Hurricane: $2,500
  • Nor'easter: $1,000
  • Chinook: Up to $999

  • Persons or firms interested in contributing to the development and operation of the ATC Windspeed by Location website should complete and submit the Sponsorship Form to the Applied Technology Council, 201 Redwood Shores Parkway, Suite 240, Redwood City, CA 94065 (Fax: 650-593-2320, email: This e-mail address is being protected from spambots. You need JavaScript enabled to view it ). Payment can either be made by check payable to the ATC Endowment Fund or by credit card


Current Sponsors




Gilsanz Murray Steficek LLP




Edwin T. Huston
Seattle, Washington


Rowan Williams Davies & Irwin Inc.


Carport Central




Thomas Lee Smith
Rockton, Illinois

Southern Steel Engineers, LLC

Rojahn-King Family