October 12, 2022
October 12, 2022 —
Atmospheric rivers are narrow bands of moisture-laden air, often more than a thousand miles long and a few hundred miles wide, that affect precipitation around the world. Forecasting their impact is especially important in the western United States where they can account for up to 50% of rainfall.
December 7, 2017
December 7, 2017 —
Hunting Atmospheric Rivers UC San Diego scientists preparing to capture data from critical source of California’s water supply An Air Force C-130 “Hurricane Hunter” aircraft at San Diego’s Brown Field. Photos by Erik Jepsen/UC San Diego Publications As the traditional peak of a new water year approaches, researchers at Scripps…
August 11, 2022
August 11, 2022 —
…weather events such as atmospheric rivers capable of bringing torrential rains and Santa Ana winds that can spread devastating wildfires. “This study suggests that weather patterns are changing in a way that enhances hot, dry Santa Ana winds, while reducing precipitation frequency in the Southwest,” said Guirguis. “These changes in…
December 7, 2022
December 7, 2022 —
An expanded Atmospheric River Reconnaissance program began last month as a result of the unexpected “bomb cyclone” in October 2021 that hit North America’s West Coast, followed by another atmospheric river less than a month later that caused severe flooding in Washington.
September 12, 2017
September 12, 2017 —
Two recently published studies investigating past and future precipitation in California demonstrate that the state is experiencing an increasingly volatile precipitation regime, as rain-heavy winter storms known as “atmospheric rivers” become increasingly intense, and dry periods between storms grow longer.
August 25, 2022
August 25, 2022 —
…Change Projected to Increase Atmospheric River Flood Damages in the United States Damage costs in western states could triple by end of century Tropical Storm Imelda causes closure of Interstate 10 in Houston, Texas due to high water. Photo credit: iStock / Sean Hannon. A research team at Scripps Institution…
March 3, 2016
March 3, 2016 —
…San Diego have developed a new method for improving atmospheric river forecasts based on collecting special observations using two aircraft in atmospheric rivers over the northeast Pacific Ocean. The method was used for the first time in February in National Weather Service-directed flights over the Pacific Ocean.
March 2, 2021
March 2, 2021 —
A new study published today in the journal Geophysical Research Letters used NASA’s ice-measuring laser satellite to identify atmospheric river storms as a key driver of increased snowfall in West Antarctica during the 2019 austral winter.
November 21, 2023
November 21, 2023 —
“Hurricane Hunter” aircraft will fly over the Pacific Ocean starting this November as part of Atmospheric River Reconnaissance program (AR Recon), led by the Center for Western Weather and Water Extremes (CW3E) at UC San Diego’s Scripps Institution of Oceanography.
February 9, 2017
February 9, 2017 —
…Niña Year Is This? Atmospheric rivers steal thunder from phenomenon that usually brings dry weather to the Southwest Scientists had been anticipating since last summer that La Niña, the phenomenon often associated with dry and somewhat cool weather on the West Coast, would develop this winter and extend a five-year…