Oregon, 1999

Flooding in Oregon, August 10 to 11, 1999

August 10 to 11, 1999 · NWS MFR · 2 events in 1 county or zone

Based on reports of street flooding, an Urban Flood Warning was issued for the Klamath Falls area at 1608 PDT and expired at 1800 PDT. In a newspaper article, the Klamath Falls Herald and News indicated that several businesses and homes were flooded.

Where it happened

Every event with a place to put it; 2 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
2

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.

Based on reports of street flooding, an Urban Flood Warning was issued for the Klamath Falls area at 1608 PDT and expired at 1800 PDT. In a newspaper article, the Klamath Falls Herald and News indicated that several businesses and homes were flooded. Power failures and popcorn size hail was reported as well.

The radar

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

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Event by event

2 flood. Local standard time, as filed.

Flood, Klamath

When
August 10, 4:08 PM PST
Where
Klamath County, Klamath Falls
Reported by
TRAINED SPOTTER
Coordinates
42.686, -121.650 (the zone’s center; the record gives no point)

See below.

Flood, Klamath

When
August 11, 6:00 AM PST
Where
Klamath County, Klamath Falls
Reported by
NEWSPAPER
Coordinates
42.686, -121.650 (the zone’s center; the record gives no point)

See below.

What these are

Flood
Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.

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

The same day elsewhere

More

Every storm in Oregon in 1999Every state in 1999This day in weather historyWarnings in Oregon, August 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: 5711241, 5711242.