Winter Storm — Est San Gabriel Mountains, California

2024-03-31 · Est San Gabriel Mountains, California

Event narrative

Significant, late-season, winter storm conditions developed across the eastern range of the San Gabriel Mountains. Mountain High reported 12-16 inches of snowfall while Mount Baldy reported 12-14 inches of snowfall. Along with the snow, southerly winds, gusting in excess of 40 MPH, were reported.

Wider weather episode

The most powerful storm of March brought significant rain, mountain snow, strong thunderstorms and flash flooding to Southwestern California. Rainfall totals ranged from 1.50 to 4.00 inches across coastal and valley areas and up to 7 inches across the mountain slopes. At higher elevations, over 1 foot of snowfall was reported across the Ventura and Los Angeles county mountains. Strong thunderstorms generated gusty outflow winds and heavy rain which caused numerous reports of flash flooding.

Source: NOAA Storm Events Database, event_id 1207154. Narrative written by the NWS forecast office that issued the report.