Thunderstorms will likely develop over parts of the Inland Empire Tuesday, lingering into Wednesday morning, as an unstable air mass settles over the region, according to the National Weather Service.
Forecasters said several troughs of low pressure are expected to scoop up subtropical moisture as they descend into Southern California from the west and north Tuesday, fueling the growth of thunderstorm cells over the deserts and mountains and pushing the inclement conditions into the valleys by nightfall.
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“These storms could arrive by Tuesday afternoon, but more likely by the evening hours and overnight,” the NWS said in a statement. “As the moisture wraps around the low pressure, cloud-to-ground lightning, heavy rain and small hail are possible.”
Forecasters acknowledged some locations, especially closer to the coast, “will see nothing” in the way of precipitation, but parts of the inland region, especially around mountains and passes, “could receive near a half-inch or more locally.”…