Tornado in Idaho, July 20, 1999

Name: Tornado in Idaho, July 20, 1999
Start: 1999-07-20T12:04
End: 1999-07-20T12:14
Location: Idaho

July 20, 1999 · NWS PIH · 1 event in 1 county or zone

1 tornado, as filed by the National Weather Service.

Where it happened

Every event with a place to put it. Tap one for its entry below.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

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The toll

Deaths: 0
Injuries: 0
Property damage: $50,000
Crop damage: None recorded
Events: 1

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 radar

The national radar mosaic for the moment the first event began.

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Event by event

1 tornado. Local standard time, as filed.

Tornado, Power

When: July 20, 12:04 PM MST to 12:14 PM MST
Where: Power County, 4 mi W of Pocatello Arpt
Rating: F1
Path length: 2.5 mi
Path width: 15 yd
Property damage: $50,000
Reported by: OFFICIAL NWS OBS.
Coordinates: 42.920, -112.680

The tornado was observed by NWS personnel on duty at the weather office as it touched down at the Bannock Peak Trading Post off Interstate 86. The tornado caused a tractor-trailer to tip onto its side, blow windows out of the truck and a motor home as well as damaging four other vehicles. As the tornado skipped along its path it was readily seen by hundreds of people in the city of Pocatello some 13 miles to the east.

What these are

Tornado: A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in Idaho in 1999 Every state in 1999 This day in weather history The tornado archive for Idaho, 1999 Warnings in Idaho, July 1999

Sources

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: 5708326.