A low-pressure system moves down the West Coast, bringing stormy weather to California and snow to the Sierras. Details: This animation contains the air mass product from the GOES-18 weather satellite. It spans the 27-hour period from 12:00 UTC on 2025-10-13 to 15:30 UTC on 2025-10-14. | Cooperative Institute for Research in the Atmosphere

🌧️ A deep low-pressure system is travelling towards WA, bringing heavy rain and strong winds for nearly the whole of the west coast this Sunday! This is a rare event for this time of year and it's due to the remnants of a tropical low tracking towards WA and interacting with a cold front, causing the low to deepen. The last time an event like this occurred was June 2012, which led to over 600 calls for assistance and over 170,000 homes losing power.⚡ Bureau of Meteorology has produced an animat