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Atmospheric instability is a condition where the Earth's atmosphere is considered to be unstable and as a result local weather is highly variable through distance and time. [ clarification needed ] [ 1 ] Atmospheric instability encourages vertical motion, which is directly correlated to different types of weather systems and their severity.
The Weather Prediction Center's Excessive Rainfall Outlook on February 4 NOAA Automated Atmospheric River Detection Real-time Application to Satellite-Derived IWV Data on February 3 From February 1 to February 2, 2024, California experienced the impact of the first Pineapple Express storm caused by the atmospheric river, which subsequently ...
Wildfires began breaking out in Southern California Tuesday morning as a life-threatening, widespread windstorm that could be one of the most destructive to hit the region in over a decade roars ...
A "Pineapple Express" weather system, or atmospheric river storm, moves towards the U.S. west coast in a composite image from the National Oceanic and Atmospheric Administration (NOAA) GOES-West ...
A strong atmospheric river storm is headed for Northern California this week, bringing heavy rain, mountain snow, high winds and the potential for flooding. California's about to get its first big ...
Some atmospheric conditions, such as very warm, moist, air in an atmosphere that cools rapidly with height, can promote strong and sustained upward air movement, possibly stimulating the formation of cumulus clouds or cumulonimbus (thunderstorm clouds). In that situation the potential energy of the atmosphere to cause upward air movement is ...
A series of atmospheric river storms are expected to impact Northern California over the weekend, meaning there could be some repercussions for holiday travel. 'It's going to be pretty messy.'
Severe weather can occur under a variety of situations, but three characteristics are generally needed: a temperature or moisture boundary, moisture, and (in the event of severe, precipitation-based events) instability in the atmosphere.