A weather system could bring catastrophic flooding across four states, beginning on Wednesday amid rounds of heavy rainfall.

Forecast maps from the agency showed that ... narrow corridors in the atmosphere that carry large amounts of water vapor. While their size and intensity vary, they typically transport a volume ...

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

so as water vapor increases, the density of air decreases. Temperature also changes the density of air. As air gets warmer it expands and becomes less dense, causing atmospheric pressure to fall.

States along a 1,000-mile swath through the central U.S. could see four months' worth of rain in only five days this week, ...

116, No. 823 (September 2004), pp. 876-885 (10 pages) ABSTRACT Water vapor, while usually a small contributor to the atmospheric refractive index for astronomical observations at IR wavelengths, is ...

The James Webb Space Telescope has detected water vapor and thick clouds on LTT 9779 ... have delved into the atmosphere of the scorching hot exoplanet LTT 9779 b. Officially named Cuancoá ...