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Showing 1 to 10 of 10 for “"Atmospheric River"”.
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Extreme landfalling atmospheric river events in Arizona: possible future changes
The semi-arid Salt and Verde River basins in Arizona depend, in part, on Atmospheric River (AR)-related precipitation for meeting the water demands of the Phoenix metropolitan area. On the other hand, the region is also susceptible to AR-related flooding. In a warming climate, water vapor in the …
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Analysis of Variability in Atmospheric River Characteristics in New Zealand from 1940 through 2023
Atmospheric rivers (ARs) are long, narrow corridors of concentrated atmospheric moisture that transport water vapor from the tropics to the middle latitudes where they can drive extreme precipitation and flooding. They have become especially important for New Zealand where ARs are critical for …
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Environmental dependence of mass-dimension relationships and investigation of microphysical observations of a southern hemisphere atmospheric river
… were collected at various depths within an atmospheric river and represent a unique dataset for Southern Hemisphere atmospheric rivers. The precipitation structures, microphysical processes, and vertical motions observed within the atmospheric river could offer potential areas of model …
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Investigation of the structure of natural orographic clouds embedded within atmospheric river type flow over the Payette Mountains in Idaho
… the Payette Mountains were investigated within atmospheric river type flow, which was the dominant synoptic weather pattern during SNOWIE Intensive Operating Periods. Additionally, a trajectory analysis was conducted to understand the source regions for the different layers observed in these …
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Investigating Atmospheric River Precipitation and Associated Snowpack Characteristics Under a Future Warmer Climate Scenario: Case Studies from the Eastern Sierra Nevada near Donner Summit, California
Atmospheric rivers (ARs) making landfall along the California coast have been warming since the 1980's, resulting in changing AR precipitation and temperature characteristics in the Sierra Nevada of California, increasing flood risk, hydrologic resource stress, and impacting winter recreation and …
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Atmospheric Rivers Effects on Severe Convective Storm Environments from 1979 to 2023
This study investigates the role of Atmospheric Rivers (ARs) in modulating Severe Convective Storm Environments (SCSEs) in the Mid-South United States from 1979 to 2023, leveraging ECMWF Reanalysis v5 reanalysis and the practically perfect hindcast dataset. AR detection was performed using seven …
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Climate Adaptation in Out-Of-Hospital Settings: Building Strategic Disaster Resilience in Ambulance Operations
… 2021 British Columbia “heat dome” heatwave, and atmospheric river flooding in British Columbia in fall 2021 to explore and offer suggestions to improve situational awareness, disaster planning, and training and exercises, as well as developing strategies to include climate-related disaster risk …
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Modification of Precipitation in Mid-Latitude Cyclones Passing over a Coastal Mountain Range
… during the warm sectors of strongly-forced atmospheric river-type storms. The least precipitation enhancement occurred when the warm processes were absent. Lee side precipitation must overcome persistent descent on the downstream side of the higher windward ridges.
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The Influence of the North Atlantic Subtropical High on Atmospheric Rivers Over the Eastern United States
This study addresses the susceptibility of atmospheric rivers (ARs) to the behavior of the North Atlantic Subtropical High (NASH). ARs are a major mechanism for meridional moisture transport often connected to heavy precipitation and mid-latitude troughs. The NASH, a semi-permanent anticyclone over …
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The cloud-radiative forcing of the U.S. landfalling atmospheric rivers
<p>Atmospheric rivers (ARs) are narrow channels in the atmosphere that transport an enormous amount of moisture from the tropics to the higher latitudes. Streaks of highly reflective clouds are observed along with the ARs in satellite imagery. These clouds both influence the moisture transport of …