The tornado was witnessed by many people in the Naples area, including law enforcement personnel. Several mobile homes were damaged or destroyed.
Every event with a place to put it. Tap one for its entry below.
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 GJT wrote it up.
The tornado was witnessed by many people in the Naples area, including law enforcement personnel. Several mobile homes were damaged or destroyed. Several garages and sheds were destroyed, with heavy debris strewn for hundreds of yards. Power poles and trees were downed or pulled out of the ground, with some trees thrown up to a quarter mile away. Several houses were damaged from flying debris and fallen trees. A horse trailer was slammed against a structure. Gardens and hay pastures were leveled.
The Grand Junction radar (KGJX), 187 km away, was scanning. The volume nearest the first event began at 21:17 UTC.
1 tornado. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Utah in 1999Every state in 1999This day in weather historyThe tornado archive for Utah, 1999Warnings in Utah, September 1999
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 2026-09-24. Each event’s entry at NCEI: 5716742.