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.
Enter the Current Wind Speed (km/h) - Must be > 0
Enter the Current Temperature (°C)
Adjusted Temperature (°C)
Risk to Workers
Health Concerns
Precautions
Estimating Wind Speed
| Wind Speed (km/h) | Estimating wind speed - what to look for |
|---|---|
| 10 | Wind felt on face - wind vane begins to move |
| 20 | Small flags extended |
| 30 | Wind raises loose paper, large flags flap and small tree branches move |
| 40 | Small trees begin to sway and large flags extend and flap strongly |
| 50 | Large branches of trees move, telephone wires whistle and it is hard to use umbrella |
| 60 | Trees bend and walking against wind is hard |
Legend
| No Risk | |
| Low Risk | |
| Moderate | |
| High | |
| Very High | |
| Severe | |
| Extreme |
References
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
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