2025年1月24日 · Extraordinarily sustained winter fire weather episode continues in SoCal through Saturday, but dramatic shift to come Map depicting the relative anomalousness of …

An unusual feature conspicuous on satellite imagery this morning over Pacific west of CA: multiple, seemingly organized thunderstorm clusters over the ocean headed eastward toward …

Over the next 7-10 days, the recent pattern across the West Coast appears likely to persist–with frequent (warm) atmospheric river events across the Pacific Northwest into northernmost …

2024年10月24日 · Right now, things are looking quite warm again across much of the U.S. West again by early November–including virtually all of California–as anomalously strong ridging …

Weather West has provided unique perspectives on California weather and climate since 2006. Dr. Daniel Swain is a climate scientist focused on the dynamics and impacts of extreme …

2017年2月19日 · This brief update will focus exclusively on the major flood risk posed by this weather setup given extremely wet antecedent conditions. Slow-moving atmospheric river may …

2024年12月6日 · Early next week, a relatively strong “inside slider”-type low pressure system will dip southward over the Great Basin, bringing a period of moderate to strong offshore Santa …

2025年1月15日 · At global scales, the EAS does indeed dominate, but at regional scales, changes in atmospheric circulation–horizontal and vertical winds that dictate storm tracks and …

2024年9月30日 · After another temporary reprieve period in mid-Sep, with cool weather and even some (localized) precipitation in patchy areas throughout CA, fire season is back in full swing …

2022年12月9日 · Widespread colder than usual conditions will likely continue for the next 10-14 days across most of the West–including most or all of California. A couple of robust “good old” …