Overview

• At 5:43 a.m. PDT on September 24, Doppler radar tracked a cluster of strong thunderstorms across eastern San Luis Obispo County moving northwest at 45 mph.
• The morning storms were expected to impact Shandon and the Carrizo Plain, prompting short-term alerts for those areas.
• Forecasters warned of wind gusts up to 40 mph and pea-size hail, with potential to knock down tree limbs, blow unsecured objects, and cause minor vegetation damage.
• Frequent cloud-to-ground lightning was reported, and the NWS urged people to seek shelter inside a building or vehicle because strikes can occur up to 10 miles from the storm.
• On September 23, separate advisories highlighted a strong storm near Lompoc moving northwest at 35 mph affecting Lompoc, Vandenberg Space Force Base, Vandenberg Village, and Mission Hills, and another near Walsenburg, Colorado moving northeast at 20 mph over rural Huerfano and Las Animas counties.