Home: AR Portal at NOAA Physical Sciences Laboratory
Access information, images, analyses, diagnostics of current conditions, forecasts, and projects related to atmospheric rivers (ARs). More on ARs... Latest integrated water vapor, cloud liquid …
River Levels - Graphs - NOAA Climate.gov
A color-coded map indicates current river levels or flood stages for more than 6,500 streamgages in U.S. states and territories. Zoom to a region of interest and hover over any dot to generate a hydrograph of recently observed water levels at that site.
Atmospheric River Forecast Products
The pages on this website provide weather analysis and forecast data on a range of spatial and geographic scales from National and West-Coast overviews to watershed-based and atmospheric river-related products.
AR Forecasts - National Oceanic and Atmospheric Administration
The graphics below are designed to forecast the presence and strength of Atmospheric Rivers using data from the NCEP Global Forecast System (GFS), North American Mesoscale Forecast System (NAM), and Global Ensemble Forecast System (GEFS) models.
National Water Prediction Service - NOAA
National Water Prediction Service NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION
River Forecast Centers - National Oceanic and Atmospheric Administration
Sep 20, 2023 · The hydrologic forecast looks at how water and soil interact and how fast the river water flows downstream, called the routing. The hydrologic forecaster is the person who creates the daily river forecasts, flash flood guidance, data …
Chart Shows How California Reservoirs Changed After Atmospheric River …
Water levels improved at several of California's major reservoirs after two atmospheric rivers brought torrential rain to the Golden State. The first of two atmospheric rivers arrived last ...
Keeping an Eye on Rivers in the Sky - goes-r.gov
Atmospheric rivers are long, narrow conveyor belts of moisture that move through the atmosphere. Strong atmospheric rivers can deliver enormous amounts of rain and high-elevation snow in California, Pacific Northwest, and Alaska, especially during the winter months.
Atmospheric Rivers - NASA Earthdata
6 days ago · Atmospheric rivers are narrow, elongated corridors of concentrated moisture transport that occur in the lower atmosphere, ahead of the cold front in an extratropical cyclone. They are the largest transport mechanisms of freshwater on Earth.
Atmospheric rivers - NASA Science
Jan 11, 2024 · This visualization uses satellite data to show the movement of water vapor and precipitation as an atmospheric river slams into California. New research extends scientists’ understanding of the impact of these events on a global scale.