SAN LUIS OBISPO COUNTY, Calif. – The National Weather Service (NWS) issued a weather alert Tuesday afternoon for parts of the Central Coast, warning of strong thunderstorms, gusty winds, marble-sized hail, and potential localized flooding.
According to the NWS Los Angeles/Oxnard office, the alert went into effect at 2:29 p.m. for San Luis Obispo County Beaches, San Luis Obispo County Inland Central Coast, and Santa Barbara County Inland Central Coast. The storms are expected to continue moving south at about 10 mph, remaining active until at least 3 p.m.
Thunderstorms Packing Heavy Winds and Hail
Meteorologists reported that Doppler radar detected a strong thunderstorm over Nipomo, about seven miles northwest of Santa Maria, producing wind gusts up to 40 mph and hail up to 0.5 inches in diameter.
“Gusty winds could knock down tree limbs and blow around unsecured objects,” the weather service stated. “Minor hail damage to vegetation is possible.”
Residents across Nipomo and surrounding areas are advised to seek shelter indoors and remain alert for rapidly changing weather conditions. The NWS also cautioned that weak, brief funnel clouds may form in the area. While these are typically harmless, they can occasionally produce wind gusts exceeding 50 mph if they touch down.
Flooding and Lightning Risks
Heavy rainfall accompanying the storm could cause localized flooding, especially in low-lying or poor drainage areas. Drivers are urged not to attempt driving through flooded roads and to find alternate routes.
The NWS also emphasized the threat of lightning during these storms. Residents are reminded to avoid using corded phones, electrical appliances, and plumbing fixtures, and to wait 30 minutes after the last thunder before resuming outdoor activities.
Safety Precautions for Drivers and Residents
The weather service recommends taking the following safety measures during this storm:
- Stay indoors when thunder or lightning is nearby.
- Avoid open fields and tall isolated trees if caught outside.
- Turn on headlights and reduce speed while driving in heavy rain.
- Avoid puddles and standing water, which can cause hydroplaning.
- Do not follow large vehicles closely, as spray can reduce visibility.
Drivers experiencing hydroplaning are urged to ease off the accelerator, turn into the skid, and wait for tires to regain traction before braking gently.
Ongoing Monitoring
The NWS will continue to monitor storm development along the Central Coast as conditions evolve through Tuesday afternoon. Additional advisories may be issued if storms strengthen or move toward more populated coastal zones.
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