A southerly flow between a high pressure center over northern Mexico and a low pressure center off the southern California Coast brought increasing moisture over northern Arizona. This brought isolated diurnal thunderstorms to the area.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS FGZ wrote it up.
A southerly flow between a high pressure center over northern Mexico and a low pressure center off the southern California Coast brought increasing moisture over northern Arizona. This brought isolated diurnal thunderstorms to the area.
The Cedar City radar (KICX), 182 km away, was scanning. The volume nearest the first event began at 21:42 UTC.
1 lightning. Local standard time, as filed.
Two women were struck by lightning while standing on the South Rim of the Grand Canyon east of the Visitors Center. Both women were taken to medical facilities, treated, and released.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arizona in 2010Every state in 2010This day in weather historyWarnings in Arizona, October 2010
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 264946.