The Santa Ana winds occur when there is high pressure to the east, in the Great Basin, and a low-pressure system off the coast. Air masses move from high pressure to low pressure, and the more extreme ...

Modernized changes to long-held operating procedures at the dams walling Lake Oroville and New Bullards Bar Reservoir in ...

Using historical forecasts, reservoir storage and river flow data, scientists found that FIRO, combined with a planned second ...

A drone panoramic view of Oroville Dam and main spillway at Lake Oroville in Butte County, Calif. Photo taken March 11, 2025.

An atmospheric river began hammering down in Southern California, bringing heavy rain and triggering mandatory evacuation orders in some areas.

A major storm continued to wallop much of Southern California on Thursday morning, bringing evacuation warnings, fears of ...

The first storm was a precursor for a stronger storm set to bear down on the region Wednesday into Thursday, forecasters said ...

The mountains have a higher chance of rainfall, meaning an elevated chance of significant flooding or debris flows near ...

AUGUSTA — The risk of river flooding in Maine is below normal this spring but at the same time the risk of ice jams, which can cause major and rapid flooding, is slightly above normal due to ...

There is currently a risk of flooding near the Rexford Bridge near Lyons Park, police said. There are reports of minor flooding in the Alplaus area of Schenectady County. Officials are continuing ...