You may have heard of dehumidifiers, which are machines that help reduce the humidity in your home, but what is relative humidity? And why does it matter for you? There are some confusing terms that ...

The concept of zero percent relative humidity — air completely devoid of water vapor — is intriguing, but given Earth’s climate and weather conditions, it’s an impossibility. Water vapor is always ...

When referring to the mugginess of the air, meteorologists will point to dew point rather than relative humidity. Relative humidity is indeed a measure of how much moisture is in the air relative to ...

CORPUS CHRISTI, Texas — You see it all the time. The humidity is 100%! So humid! Air you can wear! While that may be true *at times*, it doesn't paint the full picture. When humidity is expressed as a ...

why do meteorologists use dew point rather than relative humidity to describe the uncomfortableness or oppressiveness of an air mass? Dew point is the temperature at which the air becomes “saturated” ...

When you watch your First Alert Forecast, you may hear the meteorologist reference the dew point temperature in reference to how humid or how comfortable the air might feel to you. Viewers have asked ...

DENVER (CBS4) - We received a great question this morning from CBS4 viewer Fletcher. He writes... "It is 13 degrees outside and the humidity is 88%. Why isn't it snowing? The atmosphere is pretty well ...

Dew point/relative humidity questions come up fairly often and this is a good one. Water vapor in the atmosphere is pretty important for deep-sky observing and photography. The atmosphere can only ...

Most of the time when it is raining the relative humidity is 90-99 percent, but not often is it 100 percent. Clouds form when invisible water vapor gas condenses into visible water droplets, and rain ...

When a meteorologist or a dedicated weather weenie hears the “90-degree heat with 90 percent humidity” refrain he or she winces and wants to say something like, “It never happens here. Let me teach ...