A Thunderstorm Enters Los Angeles 5/9/13

An image of the storm at around 7:30pm
(Image property of SoCal Earth Science Blog)

Today, May 9, 2013, a rainstorm with moderate to heavy rain entered Los Angeles and caused heavy rainfall in the Northern portion of the county. It is currently traveling south-west-ward and is currently dissipating. An image of the storm can be seen at around 7:30pm can be seen at the top.

The National Weather Service stated in a "Short Term Forecast" that:

".NOW...
SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE TO AFFECT PORTIONS
OF LOS ANGELES COUNTY THIS EVENING. AT 715 PM...AN AREA OF SHOWERS AND
THUNDERSTORMS WAS AFFECTING MUCH OF THE SAN GABRIEL MOUNTAINS AND SAN
GABRIEL VALLEY. THE LEADING EDGE OF THIS STORM ACTIVITY WAS ALSO MOVING
INTO THE EASTERN PORTIONS OF THE SAN FERNANDO VALLEY AS WELL AS THE
LOS ANGELES METRO AREA. EVENING COMMUTERS SHOULD BE PREPARED FOR
BRIEF HEAVY DOWNPOURS...CAPABLE OF PRODUCING LOCAL PONDING OF
WATER ON THE ROADWAYS...ESPECIALLY ALONG INTERSTATE 210. IN
ADDITION...THESE STORMS HAVE A HISTORY OF CLOUD TO GROUND
LIGHTNING."