Nebraska, 1999

Flash Flooding in Nebraska, July 19 to 20, 1999

July 19 to 20, 1999 · NWS LBF · 4 events in 4 counties and zones

4 flash flood, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 4 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
$705,000
Crop damage
None recorded
Events
4

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 North Platte radar (KLNX), 182 km away, was scanning. The volume nearest the first event began at 04:00 UTC.

Open the radar archive at this moment

Event by event

4 flash flood. Local standard time, as filed.

Flash Flood, Boyd

When
July 19, 10:00 PM CST to July 20, 2:00 AM CST
Where
Boyd County, North Portion
Property damage
$5,000
Reported by
GENERAL PUBLIC
Coordinates
42.900, -98.766 (the zone’s center; the record gives no point)

Ponca Creek washed out part of a county road northeast of Naper.

Flash Flood, Keya Paha

When
July 19, 10:00 PM CST to July 20, 2:00 AM CST
Where
Keya Paha County, Countywide
Property damage
$100,000
Reported by
GENERAL PUBLIC
Coordinates
42.879, -99.712 (the zone’s center; the record gives no point)

Numerous roads and culverts were washed out.

Flash Flood, Rock

When
July 19, 10:00 PM CST to July 20, 2:00 AM CST
Where
Rock County, Countywide
Property damage
$100,000
Reported by
GENERAL PUBLIC
Coordinates
42.421, -99.450 (the zone’s center; the record gives no point)

Roads and culverts were washed out all over the county.

Flash Flood, Holt

When
July 19, 11:00 PM CST to July 20, 3:00 AM CST
Where
Holt County, East Portion
Property damage
$500,000
Reported by
NEWSPAPER
Coordinates
42.456, -98.784 (the zone’s center; the record gives no point)

Water was running about 15 feet deep and 40 feet wide near Highway 108 about 18 miles east of O'Neill. Part of the highway was washed away 16 miles east of O'Neill. In the Page area, 5 inches of rain caused flooding that washed out culverts and created gullies in many county roads.

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 Nebraska in 1999Every state in 1999This day in weather historyWarnings in Nebraska, 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: 5707394, 5707395, 5707396, 5707397.