Jun 30, 2015
An early-season monsoon pattern set up across the southwest U.S., bringing several days of enhanced mid-level moisture from the southeast and enough instability for scattered showers and thunderstorms for the last few days of the month. Scattered thunderstorms developed over the high desert east of the forecast area on the 28th and drifted west, producing lightning and some light rainfall amounts under one-quarter inch (Green Valley Lake won at 0.3 inches) over the San Jacinto Mountains and port
Source: NOAA National Weather Service Storm Events Database (event 591936). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in San Diego County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.