Weather Service Issues Severe Thunderstorm Warning

The National Weather Service issued a severe thunderstorm warning late Monday afternoon for northeastern Los Angeles County, interrupting local television to alert residents of a "dangerous" storm capable of bringing heavy winds, "quarter size hail" and lightning.

The warning, issued at 4:11 p.m., remains in effect until 5:15 p.m.

"National Weather Service Doppler radar indicated a severe thunderstorm capable of producing quarter size hail," the warning reads. "And damaging winds in excess of 60 mph. This storm was located 11 miles southeast of Lake Los Angeles."

The warning calls it a "dangerous storm."

"If you are in its path, prepare immediately for damaging winds, destructive hail, and deadly cloud to ground lightning. People outside should move to a shelter. Preferably inside a strong building but away from windows."