Cold Stress Calculator

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
10Wind felt on face - wind vane begins to move
20Small flags extended
30Wind raises loose paper, large flags flap and small tree branches move
40Small trees begin to sway and large flags extend and flap strongly
50Large branches of trees move, telephone wires whistle and it is hard to use umbrella
60Trees 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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