Southern California is under a dangerous flood threat with heavy rainfall impacting Los Angeles and San Diego areas, and moving eastward. Flood Watch is in effect for more than 20 million people from Southern California to central Arizona.
A strong earthquake registered by the USGS as M6.3 hit Andreanof Islands, Alaska at 14:55 UTC on December 21, 2023. The agency is reporting a depth of 33 km (20.5 miles). EMSC is reporting M6.1 at a depth of 10 km (6.2 miles).
At approximately 17:40 PST on December 19, 2023, a brief EF-1 tornado touched down in north Oroville, California, uprooting trees and damaging buildings along its path.
The National Weather Service warns of a Moderate Risk of excessive rainfall in southern California, with potential flash flooding and mudflows, as a series of storms approach the state.
A small explosion was detected at Kanaga Volcano, Alaska at 07:31 UTC on December 19, 2023.
At least 5 people have died and more than 700 000 customers (approximately 1.7 million people) were left without power as a powerful coastal storm swept up the East Coast of United States over the past couple of days.
Heavy rains and flooding struck the Carolinas on December 17, 2023, as a powerful storm system moved up the East Coast, causing record rainfall in Charleston and significant flooding along the South Carolina coast.
A strong storm system tracking up the Eastern Seaboard this weekend is expected to bring heavy rain, strong winds, and thunderstorms, with a Slight Risk of excessive rainfall issued for parts of the Mid-Atlantic into New England.
A significant weather event is set to impact the Eastern United States this weekend, as a strong storm originating from the Gulf of Mexico moves across Florida and then up the East Coast. The storm is predicted to bring heavy to excessive rain, gusty winds, and moderate coastal flooding to much of the Southeast and Mid-Atlantic regions. Additionally, snow is expected over the Great Lakes and central Appalachians following this system on Monday.
As the week before Christmas approaches, California is gearing up for a possible shift in weather patterns, with indications of a wetter regime on the horizon. AccuWeather senior meteorologist Alex Sosnowski notes that the extent of the storminess will hinge on El Niño’s influence and other climatic factors in the coming weeks.
