Who uses humidex?

Who uses humidex?

If you’re not quite sure what the humidex is, you’re not alone. The term — a Canadian innovation — is one used most often by southern Ontarians and Quebecers, though Canada’s weather guru says that’s changing.

Why is it important to know the humidex value?

Why is humidex important? When it is hot and humid, it is more difficult for you to cool down by sweating. When the relative humidity reaches around 90%, your sweat does not evaporate. In these situations, your body temperature may rise and lead to heat rash, cramps, heat exhaustion and heat stroke.

What is difference between humidity and humidex?

As nouns the difference between humidity and humidex is that humidity is dampness, especially that of the air while humidex is (canada|meteorology) a measurement used by canadian meteorologists to reflect the combined effect of heat and humidity, as the apparent temperature felt by a person.

How does the humidex work?

The Humidex unit has a quiet, powerful fan that draws the air through the bottom vents and expels it outside through a 6-inch duct. The air from the upper level, which is dryer and warmer, replaces the air that has been expelled, lowering the humidity level in the basement.

Does humidex really work?

The Humidex works really well by itself the rest of the year, including the winter. As directed, I cut a hole in the floor under our refrigerator which leads into the basement room in question. The Humidex pulls the cold, damp air off the floor, and pulls warm air from upstairs into the room.

Is humidex same as heat index?

Humidex differs from the heat index used in the United States in being derived from the dew point rather than the relative humidity, though both dew point and relative humidity (when used in conjunction with air temperature) are directly related to atmospheric moisture.

How accurate is humidex?

In fact, the humidex isn’t even a measurement. It’s a fairly arbitrary calculation where someone estimated that a certain amount of humidity makes heat more oppressive because the sweat just lies on your skin instead of evaporating and cooling you. And the underlying biology is true. Sticky air really is unpleasant.

Where can I find humidex?

The humidex tends to be higher than the U.S. heat index at equal temperature and relative humidity. The humidex formula is as follows: humidex = (air temperature in Celsius) + h. h = (0.5555)*(e – 10.0)

Is a humidex a dehumidifier?

These are not dehumidifiers, they are active air exchangers designed to replace built up humid interior air with drier air from outside.

What is the temperature with the humidex?

A humidex range of 20°C to 29°C will be comfortable; from 30°C to 39°C, there will be some discomfort; from 40°C to 45°C people will experience great discomfort and it is best to avoid exertion; anything above 45°C is dangerous and heat stroke is possible.

How does a humidex system help the environment?

The Humidex ventilation system is the most efficient solution to excess indoor moisture available anywhere. It will improve the environment by minimizing naturally occurring moisture problems, such as musty odors, polluted air and mold growth.

What does humidex stand for in weather category?

The humidex (short for humidity index) is an index number used by Canadian meteorologists to describe how hot the weather feels to the average person, by combining the effect of heat and humidity. The term humidex was first coined in 1965. The humidex is a nominally dimensionless quantity…

When did humidex come into use in Canada?

Over the years, several measures have been proposed to relate various combinations of temperature and humidity into a single number to approximate what hot, humid weather feels like to the average person. Of these, humidex is the one most familiar to Canadians. Humidex was introduced into Canada in 1965.

How is humidex used to express perceived temperature?

Humidex is a value which is used to express the perceived temperature by combining temperature and humidity data in one number. The Humidex reflects temperatures in Celsius, because it was developed in Canada.