Articles tagged "atmospheric rivers"

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Rare atmospheric rivers form at opposite sides of Australia

A rare weather phenomenon occurred over Australia this week as almost identical atmospheric rivers formed at the opposite sides of the continent. The weather phenomenon is caused by a stream of moisture that moves in from the tropics, bringing very heavy rain....

August 11, 2020

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Record-breaking rain hits California, worst yet to come

A powerful Pacific storm dropped record-breaking rain on parts of California on Wednesday, March 21, 2018. This was a direct hit by an atmospheric river system and forecasters warn the heaviest rain is expected on Thursday, urging residents to stay vigilant....

March 22, 2018

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Heavy flooding, debris flows expected in Southern California as dangerous atmospheric river forms in Pacific

An atmospheric river event is expected to plummet Southern California bringing heavy rain and snow into the area. Flash flood warnings have been issued in parts of Southern California, with potentially very dangerous debris flows expected as the strongest storm of...

March 20, 2018

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Study estimates global reach of atmospheric rivers

A recent study by NASA and several partners has estimated, for the first time, the global impact of atmospheric rivers on floods and droughts, as well as the number of people affected by these atmospheric phenomena. Atmospheric rivers are relatively long, narrow,...

November 02, 2017

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Atmospheric rivers eye Pacific Northwest and British Columbia, heavy rain expected

A frontal system will begin to approach the Pacific Northwest by Wednesday evening, October 18, 2017, with precipitation increasing throughout the day and into tonight. The same system will equally affect Canada's British Columbia. Heavy rain will continue...

October 18, 2017

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Floods, major debris flows as heavy rain hits Southern California

The second of three big storms hit Southern California on Friday, January 20, 2017, flooding roads and causing major debris flows. The rain was falling at a rate of more than 25.4 mm (1 inch) per hour. The third storm is expected on Sunday and Monday. The Sherpa...

January 21, 2017

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Heavy rain headed toward North Island, New Zealand

A series of low pressure systems will trek across the Tasman from July 6 into the weekend, resulting in locally heavy rain and the potential for flooding and slips for the east of the New Zealand's North Island. Appreciable snowfall is also possible for the ski...

July 06, 2016

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Atmospheric river lashes drought-stricken California with rain and floods

As forecasted earlier this week, atmospheric river known locally as the Pineapple Express is sweeping down the West Coast US. The storm is dropping heavy rainfall, knocking down trees and power lines, delaying hundreds of flights and causing flash floods and traffic

February 07, 2015

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Biggest storm in nearly a decade to affect Northern California and Oregon, US

Biggest Pacific storm system in nearly a decade is about to bring flooding and mudslide danger for Northern California and Oregon. An atmospheric river of moisture, also known as "Pineapple Express", is tapping moisture from the tropics ahead of round of

December 11, 2014

Pineapple Express

Atmospheric river streams across Pacific, heads toward US coast

River of moisture streams across the entire Pacific basin and heads toward the U.S. coastline. Over the first week of December 2012, over a foot of rain is expected to fall in parts of Northern California and up into British Columbia.This animation bellow shows the

December 01, 2012

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Atmospheric rivers caused the UK's worst floods

Huge atmospheric rivers that wind their way through the skies have been linked to the 10 largest winter floods in the UK since the 1970s. A study of similar systems in California suggests that such floods could become more frequent and severe if greenhouse gas

November 19, 2011

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Underground river discovered beneath Amazon

Scientists detected an underground river beneath the mighty Amazon River, flowing miles below the surface, after they analyzed data from 241 wells that Brazilian oil company Petrobras drilled in the Amazon region in the 1970s and 1980s. The river was unofficially named

September 04, 2011

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ARkStorm - Multi-Hazard West Coast Winter Storm Project

The USGS Multi Hazards Demonstration Project (MHDP)’s second full scenario, called ARkStorm, addresses massive U.S. West Coast storms analogous to those that devastated California in 1861–62. Storms of this magnitude are projected to become more frequent and

May 16, 2011