Rain, thunder, lightning, and hail took Pierce College students by surprise on Thursday afternoon.
Doppler radar is estimating 1.5 inches of rain per hour, according to a statement released by the National Weather Service (NWS).
A flash flood warning issued by the NWS for the Los Angeles county and remains in effect until 4:45 p.m., according to their website.
For more weather updates, check the Pierce Weather Station.