The relative humidity is useful in predicting fire danger. Typically, with higher winds and relative humidity lower than 25 percent, you are nearing critical fire danger.

On a calm, clear night, the ground cools very efficiently by radiating heat back into the atmosphere. This lowers the ...

Relative Humidity Details Have you ever traveled to a different city with the same temperature as your initial place, but the new city feels significantly different in terms of temperature? That's ...

If you were just relying on the relative humidity, you might think it's not all that humid outside. But as we could tell stepping out the door, it was, in fact, incredibly humid.

“Relative humidity”, in a gross over-simplification, is the amount of moisture present in the air compared to how much moisture COULD be present at a given temperature. True meteorologists ...

Dew point and relative humidity, two terms that have floated around many weather forecasts over the years. What exactly do they mean and when are they best used to describe the conditions outside ...

Dear Tom,Why is relative humidity called “relative” humidity? What is it relative to? — Jordan Cliff Dear Jordan,The short answer: relative to the greatest amount of water vapor that can be ...

VERIFY CONCLUSION Relative humidity is the amount of moisture in the air, expressed as a percentage, compared to what the air can hold at that temperature.

So relative humidity can be 100% while it’s 30 degrees outside, but since it’s cold, it doesn’t feel humid. That’s because a dew point at 30 degrees is some extremely dry air.

Dear Tom,Could you define “relative humidity” in non-technical terms? I don’t know exactly what it is.—Allen PruhaskaDear Allen,Popular usage of “humidity” refers to a… ...

Dear Tom, What is relative humidity relative to? —Janice Pinc Dear Janice, It’s relative to the maximum amount of water vapor that can be present in air at a particular temperature. If, for ...