Vapor pressure, along with dew point and relative humidity, is one of many ways to express the amount of water vapor in the ...

It is the temperature air needs to cool to become saturated at a constant pressure. Relative humidity is the amount of vapor in the air over the maximum amount of vapor the air can hold ...

Also, an important measure called “vapor pressure deficit” has exceeded norms. Calculated from a combination of temperature and relative humidity, it reflects the ability of air to draw ...

GREENSBORO, N.C. — Two common weather terms you'll hear many times in the warmer part of the year are "dew point" and "relative humidity ... water vapor turns into liquid, forming dew, fog ...

Jake Ryks provides "firefighter" definitions of vapor pressure, flammability, toxicity and other technical terms to drill down to practical knowledge for hazmat response.