Thunderstorm Wind, Payette
- When
- July 17, 4:25 PM MST
- Where
- Payette County, Payette
- Measured
- 52 kt (60 mph)
- Coordinates
- 44.080, -116.930
Debris Flow and Damaging Winds in Idaho, July 17, 1997
During the late afternoon of July 17th, a severe thunderstorm formed over southeast Oregon and moved into southwest Idaho . In Payette County, the county sheriff reported large tree branches and power lines down.
Where it happened
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. 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
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 3
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.
What happened
The episode as NWS BOI wrote it up.
During the late afternoon of July 17th, a severe thunderstorm formed over southeast Oregon and moved into southwest Idaho . In Payette County, the county sheriff reported large tree branches and power lines down. In the Washington County town of Weiser 60 mph wind gusts were reported. Also in Washington County heavy rain from the thunderstorm washed rocks over highway 97 blocking one lane of that road.
The radar
The Boise radar (KCBX), 86 km away, was scanning. The volume nearest the first event began at 23:24 UTC.
Event by event
2 thunderstorm wind, 1 debris flow. Local standard time, as filed.
Thunderstorm Wind, Washington
- When
- July 17, 4:45 PM MST
- Where
- Washington County, Weiser
- Measured
- 52 kt (60 mph)
- Coordinates
- 44.250, -116.970
Debris Flow, Washington
- When
- July 17, 5:05 PM MST
- Where
- Washington County, Midvale
- Coordinates
- 44.452, -116.785 (the zone’s center; the record gives no point)
What these are
- Thunderstorm Wind
- Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
- Debris Flow
- A fast-moving slurry of mud, rock and debris, usually on a slope soaked by heavy rain or stripped by a fire.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Hurricane in Louisiana, July 17 to 18, 1997
- Lightning Strike in Texas, July 17, 1997
- Tornado and Flash Flooding in Oklahoma, July 17 to 18, 1997
- Flash Flood and Hail in Oklahoma, July 17 to 18, 1997
- Damaging Wind and Lightning Strike in Georgia, July 17, 1997
- Damaging Winds in New York, July 17, 1997
- Damaging Winds in Vermont, July 17, 1997
- Flash Flood and Hail in Arizona, July 17 to 29, 1997
- Lightning Strike in Florida, July 17, 1997
- Flash Flooding and Lightning Strike in Oklahoma, July 17, 1997
- Damaging Winds in New York, July 17, 1997
- Damaging Winds in Michigan, July 17, 1997
More
Every storm in Idaho in 1997Every state in 1997This day in weather historyWarnings in Idaho, July 1997
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: 5610086, 5610087, 5610088.