Oregon, 1998

Flash Flood in Oregon, July 3, 1998

July 3, 1998 · NWS MFR · 1 event in 1 county or zone

Stationary thunderstorm with heavy rain and small hail produced nearly an inch of rainfall in three hours. The resulting flash flood caused mudslides on Hwy 31 north of Silver Lake, with one inch of water and 6-8 inch diameter rock covering a half mile stretch of the roadway.

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

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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 MFR wrote it up.

Stationary thunderstorm with heavy rain and small hail produced nearly an inch of rainfall in three hours. The resulting flash flood caused mudslides on Hwy 31 north of Silver Lake, with one inch of water and 6-8 inch diameter rock covering a half mile stretch of the roadway.

The radar

The Medford radar (KMAX), 207 km away, was scanning. The volume nearest the first event began at 23:30 UTC.

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Event by event

1 flash flood. Local standard time, as filed.

Flash Flood, Lake

When
July 3, 3:30 PM PST to 6:30 PM PST
Where
Lake County, 9 mi N of Silver Lake
Reported by
LAW ENFORCEMENT
Coordinates
42.793, -120.387 (the zone’s center; the record gives no point)

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 Oregon in 1998Every state in 1998This day in weather historyWarnings in Oregon, July 1998

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: 5655282.