Starting Tuesday, Los Angeles will experience a series of significant weather events, including thunderstorms, dry lightning, and rip currents. The National Weather Service has stated that a low-pressure system will affect Southern California, with a 30% chance of thunderstorms, particularly in the San Gabriel Mountains and Antelope Valley. Dry lightning poses a severe wildfire risk as it occurs in dry air where precipitation evaporates before reaching the ground. While higher elevations may receive brief heavy rain, they remain at risk for flash flooding.
"A lot of times, if you have lightning, it's raining as well and there obviously wouldn't be a fire start because the ground is wet. What we're messaging here is that there is potential for the storm clouds to really not rain at all, which would mean that we could get lightning that hits the dry ground and can start a fire."
"With dry air near the surface, any thunderstorm that forms will likely produce downburst winds up to around 50 mph and the potential for dry lightning, especially for the foothills and lower mountains."
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