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Wind chill considers the combined effect of wind and temperature on what we "feel" .
When the wind speed increases, the "boundary layer" (a thin layer of air which warms
our bodies), is taken away, our skin temperature drops and we feel colder.
IMPORTANT: Wind chill is relevant when temperature is below 10°C (50°F) and wind
speed is over 4.8 km/h (3 miles) but less than 177 km/h (100 miles), outside of this
range no measurement is available or displayed.
When outdoor temperature and wind speed are not in the effective calculating range
of wind chill, then current outdoor temperature will be displayed instead, if wind speed
is not selected (the word Wind Chill will not be displayed on the screen when Wind
Chill is out of range).
Condition
Wind Chill
Value
Cold
14°C to -9°C
57°F to 15°F
Extreme
-10°C to -24°C
14°F to -11°F
Danger
-25°C/-13°F
and lower
Physical Response
• Discomfort
• Risk of frostbite,
possible hypothermia
if wet
• Uncomfortably cold
• Risk of hypothermia
and frostbite
• Check face, fingers and
toes for numbness or
whiteness
• High risk of frostbite
• Risk of hypothermia, if
outside for long
periods
What to Do
• Dress in layers of
warm clothing with
wind resistant outer
layer
• Wear hat and
mittens
• Keep active to
maintain blood flow
to extremities
• Dress in layers of
warm clothing with
wind resistant outer
layer
• Cover exposed skin
and keep warm
• Be careful
• Dress in layers of
warm clothing with
wind resistant outer
layer
• Cover exposed skin
and keep warm
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