6/20 at 6:45pm: Shower & thunderstorm activity is continuing to gradually spread south and west after several strong to severe storms across Palm Beach and northern-eastern Broward Counties. #RadarUpdate https://t.co/MWqlj81Bk4

https://twitter.com/NWSMiami/status/1671287637573812224

We issued a flash flood warning (indicated in green outline) for the storm N/NE of Reyes Peak in western Lockwood Valley. This storm is capable of producing flash flooding. Use caution and avoid flooded roadways. #socal #cawx #radarupdate

A stronger thunderstorm has developed over the Ventura Co mtns between Reyes Peak and Lockwood Valley Road. Main threats will be lightning, heavy downpours, hail up to 0.50", wind gusts to 55mph. The storm is moving south at 5 mph. Avoid this storm. #socal #radarupdate

Heads up! We have a storm that developed quickly over the Ventura County Mountains. This storm is slow moving, so main hazards will be heavy downpours, localized flooding, small hail, and frequent lightning. Be Safe and don't drive through flooded roadways. #socal #radarupdate

Showers have formed over the Ventura Co Mtns too, lightning is imminent. Keep an eye on the sky if you are outside, and go indoors or inside a vehicle if you hear thunder. #socal #radarupdate #VenturaCoMtns

Heads Up: Showers/storms have developed over the San Gabriel Mtns, expecting more development through the afternoon hours. Remember, take shelter if you hear thunder!
#socal #radarupdate #thunderstorms #weatherupdate #SanGabrielMtns

Showers have progressed onshore and we are starting to see new development over the Ventura County Coast, along with a few stray showers near Long Beach. Showers will continue to spread east overnight. #socal #radarupdate #CArain