Forecast news: 'Atmospheric River' to hit California this weekend, Colorado to stay warm and dry #CODrought

West Coast gets drenched & flooding concerns in Northern CA, while CO stays unseasonably warm & dry thru weekend. #COwx http://t.co/RgfRiRvu

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NWS Boulder (@NWSBoulder) November 27, 2012

Repeat warning. Atmospheric river heading for West Coast. Here's a gif image: esrl.noaa.gov/psd/atmrivers/…. Expect very heavy rains; flooding risk

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Peter Gleick (@PeterGleick) November 27, 2012

Here’s the link to the NOAA model animation.

Here’s the lowdown on atmospheric rivers via the NOAA and YouTube (2 minutes or so).