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The storms are fueled by deep moisture and instability, with atmospheric conditions showing high CAPE values and elevated precipitable water levels.—Amanda Castro, MSNBC Newsweek, 17 July 2025 There is a host of information like temperature (red line), dewpoint (green line), winds (barbs on the right), stability information (useful for storm potential), and precipitable water (helpful in assessing flood potential).—Marshall Shepherd, Forbes, 21 Mar. 2025 Pictured are forecast values of precipitable water, a measure of how much moisture is in the atmosphere on Wednesday.—Mary Gilbert, CNN, 30 Jan. 2024 To our east, the disturbance should encounter more available moisture (precipitable water) and greater instability.—A. Camden Walker, Washington Post, 30 Apr. 2023 PWATs, or precipitable water indexes — a measure of how much moisture is present in a column of air from the bottom to the top of the atmosphere — are approaching a remarkable three inches.—Zach Rosenthal, BostonGlobe.com, 22 Aug. 2022 The colors show precipitable water in the atmosphere, which is basically how much water would fall as rain if all the moisture over a particular spot condensed and fell to the ground.—Tom Yulsman, Discover Magazine, 30 Apr. 2017
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