Idaho, 2015

Flash Flood in Idaho, October 19, 2015

October 19, 2015 · NWS BOI · 1 event in 1 county or zone

Heavy rain fell across parts of Southwest Idaho overnight on the 18th through the 19th leading to flash flooding including a vehicle swept away by a debris flow.

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
None recorded
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.

What happened

The episode as NWS BOI wrote it up.

Heavy rain fell across parts of Southwest Idaho overnight on the 18th through the 19th leading to flash flooding including a vehicle swept away by a debris flow.

The radar

The Boise radar (KCBX), 38 km away, was scanning. The volume nearest the first event began at 12:01 UTC.

Open the radar archive at this moment

Event by event

1 flash flood. Local standard time, as filed.

Flash Flood, Owyhee

When
October 19, 5:00 AM MST to 3:00 PM MST
Where
Owyhee County, Givens Hot Spgs to 10.7 mi SSE of Givens Hot Spgs
Cause
Heavy Rain
Reported by
Broadcast Media
Coordinates
43.430, -116.700

KTVB received reports from the Owyhee County Sheriff's office that a vehicle had been swept away by flash flooding and a debris flow near Givens Hot Springs in Northwest Owyhee County at around 6:30 AM MDT. Idaho Transportation Department reported a rock slide on U. S. Highway 95 at mile marker 13 and occurred at approximately 2:39 PM MDT.

What these are

Flash Flood
Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.

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

The same day elsewhere

More

Every storm in Idaho in 2015Every state in 2015This day in weather historyWarnings in Idaho, October 2015

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 2026-09-30. Each event’s entry at NCEI: 600970.