From the National Weather Service:
345 pm pst fri feb 18 2011 …strong thunderstorms possible tonight across southern California… A vigorous cold front with embedded thunderstorms will move into southern California tonight. Some of these thunderstorms could be strong…capable of producing heavy downpours…hail… Strong winds…and dangerous cloud to ground lightning.
Conditions will also be favorable for rotating storms…bringing the potential for waterspouts…isolated small tornados…and locally damaging winds. The greatest concern will be across Ventura and Los Angeles counties and the adjacent coastal waters. Behind the front…a very cold and unstable air mass will linger on Saturday into Saturday night…keeping numerous showers and a threat of thunderstorms across the region. This storm system will bring significant rain…mountain snow…and strong winds to the region. Please refer to latest watches…warnings… And advisories for further details. Residents across southern California should monitor the latest national weather service statements and possible warnings as this potential severe weather situation unfolds across southern California.
