To Use the Tool:
If you are unable to access current weather information to obtain wind speed, please refer to the Estimating Wind Speed table below.
Estimating Wind Speed
|Wind Speed (km/h)
|Estimating wind speed - what to look for
|Wind felt on face - wind vane begins to move
|Small flags extended
|Wind raises loose paper, large flags flap and small tree branches move
|Small trees begin to sway and large flags extend and flap strongly
|Large branches of trees move, telephone wires whistle and it is hard to use umbrella
|Trees bend and walking against wind is hard
ACGIH. (2021). Threshold Limit Values for chemical substances and physical agents and Biological Exposure Indices.
Signature Publications. ISBN 978-1-607261-45-2
Wind Chill Index. Retrieved September 29, 2021 from Wind chill index - Canada.ca. Updated 2017-06-02.
Cold Environments – Working in the Cold. Retrieved September from Cold Environments - Working in the Cold : OSH Answers (ccohs.ca). updated 2021-09-28