Oklahoma, 2000

Flash Flooding and Hail in Oklahoma, May 8 to 9, 2000

May 8 to 9, 2000 · NWS TSA · 29 events in 7 counties and zones

19 hail, 10 flash flood, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 10 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

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
$2.2 million
Crop damage
None recorded
Events
29

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 Tulsa radar (KINX), 117 km away, was scanning. The volume nearest the first event began at 01:18 UTC.

Open the radar archive at this moment

Event by event

19 hail, 10 flash flood. Local standard time, as filed.

Hail, Osage

When
May 8, 7:20 PM CST
Where
Osage County, Foraker
Measured
0.88 in hail
Reported by
GENERAL PUBLIC
Coordinates
36.867, -96.550

Hail, Osage

When
May 8, 7:25 PM CST
Where
Osage County, Pearsonia
Measured
0.88 in hail
Reported by
GENERAL PUBLIC
Coordinates
36.800, -96.450

Hail, Washington

When
May 8, 7:58 PM CST
Where
Washington County, Bartlesville
Measured
0.88 in hail
Reported by
GENERAL PUBLIC
Coordinates
36.750, -96.000

Hail, Osage

When
May 8, 8:00 PM CST
Where
Osage County, Okesa
Measured
0.88 in hail
Reported by
GENERAL PUBLIC
Coordinates
36.717, -96.133

Hail, Washington

When
May 8, 8:03 PM CST
Where
Washington County, Copan
Measured
1 in hail
Reported by
GENERAL PUBLIC
Coordinates
36.900, -95.933

Hail, Pawnee

When
May 8, 8:25 PM CST
Where
Pawnee County, Ralston
Measured
1 in hail
Reported by
POST OFFICE
Coordinates
36.500, -96.717

Hail, Nowata

When
May 8, 8:31 PM CST
Where
Nowata County, 2 mi N of Nowata
Measured
1 in hail
Reported by
GENERAL PUBLIC
Coordinates
36.733, -95.633

Flash Flood, Osage

When
May 8, 9:00 PM CST to May 9, 4:00 AM CST
Where
Osage County, Pawhuska
Property damage
$12,000
Reported by
EMERGENCY MANAGER
Coordinates
36.629, -96.398 (the zone’s center; the record gives no point)

Heavy rains caused several roads in and around Pawhuska to be flooded. A few cars were stalled in the high water.

Hail, Osage

When
May 8, 9:20 PM CST
Where
Osage County, Fairfax
Measured
1 in hail
Reported by
LAW ENFORCEMENT
Coordinates
36.567, -96.700

Hail, Pawnee

When
May 8, 9:29 PM CST
Where
Pawnee County, Ralston
Measured
1.25 in hail
Reported by
GENERAL PUBLIC
Coordinates
36.500, -96.717

Flash Flood, Nowata

When
May 8, 9:30 PM CST to 10:00 PM CST
Where
Nowata County, South Coffeyville
Reported by
EMERGENCY MANAGER
Coordinates
36.799, -95.617 (the zone’s center; the record gives no point)

Heavy rains caused street flooding.

Flash Flood, Washington

When
May 8, 9:30 PM CST to May 9, 4:00 AM CST
Where
Washington County, Bartlesville
Reported by
EMERGENCY MANAGER
Coordinates
36.715, -95.904 (the zone’s center; the record gives no point)

Heavy rains produced major street flooding and then later in the night caused numerous roads to have water over them in and around Bartlesville.

Hail, Pawnee

When
May 8, 9:55 PM CST
Where
Pawnee County, Ralston
Measured
1 in hail
Reported by
LAW ENFORCEMENT
Coordinates
36.500, -96.717

Hail, Osage

When
May 8, 10:11 PM CST
Where
Osage County, Pawhuska
Measured
1.25 in hail
Reported by
FIRE DEPT/RESCUE SQUAD
Coordinates
36.667, -96.333

Hail, Washington

When
May 8, 10:28 PM CST to 10:37 PM CST
Where
Washington County, Bartlesville
Measured
4.5 in hail
Property damage
$2.0 million
Reported by
LAW ENFORCEMENT
Coordinates
36.750, -96.000

Golfball to softball size hail fell in Bartlesville damaging roofs, windows and cars.

Flash Flood, Washington

When
May 8, 10:30 PM CST to 11:30 PM CST
Where
Washington County, Dewey
Property damage
$25,000
Reported by
EMERGENCY MANAGER
Coordinates
36.715, -95.904 (the zone’s center; the record gives no point)

Heavy rains cause major street flooding. The heavy rains also caused 2 to 3 inch deep water to enter the Bulldogger apartments.

Hail, Nowata

When
May 8, 10:54 PM CST
Where
Nowata County, Nowata
Measured
0.75 in hail
Reported by
FIRE DEPT/RESCUE SQUAD
Coordinates
36.700, -95.633

Flash Flood, Nowata

When
May 8, 10:55 PM CST to 11:55 PM CST
Where
Nowata County, Lenapah
Reported by
FIRE DEPT/RESCUE SQUAD
Coordinates
36.799, -95.617 (the zone’s center; the record gives no point)

Heavy rains flooded numerous roads in and around Lenapah.

Hail, Osage

When
May 8, 11:00 PM CST
Where
Osage County, 9 mi NE of Pawhuska
Measured
1.75 in hail
Property damage
$1,000
Reported by
GENERAL PUBLIC
Coordinates
36.767, -96.217

Golfball size hail fell at Osage Hills State Park damaging a camper.

Hail, Washington

When
May 8, 11:04 PM CST
Where
Washington County, Dewey
Measured
1.25 in hail
Reported by
EMERGENCY MANAGER
Coordinates
36.800, -95.933

Hail, Craig

When
May 8, 11:15 PM CST
Where
Craig County, Welch
Measured
0.75 in hail
Reported by
GENERAL PUBLIC
Coordinates
36.867, -95.100

Hail, Nowata

When
May 8, 11:25 PM CST
Where
Nowata County, 4 mi W of Nowata
Measured
0.75 in hail
Reported by
GENERAL PUBLIC
Coordinates
36.700, -95.700

Flash Flood, Craig

When
May 9, 12:00 AM CST to 2:00 AM CST
Where
Craig County, West Portion
Reported by
EMERGENCY MANAGER
Coordinates
36.762, -95.208 (the zone’s center; the record gives no point)

Heavy rains flooded many roads in the western part of Craig county.

Hail, Nowata

When
May 9, 12:45 AM CST
Where
Nowata County, Lenapah
Measured
1.75 in hail
Reported by
GENERAL PUBLIC
Coordinates
36.850, -95.633

Flash Flood, Craig

When
May 9, 1:00 AM CST to 8:00 AM CST
Where
Craig County, Vinita
Property damage
$150,000
Reported by
EMERGENCY MANAGER
Coordinates
36.762, -95.208 (the zone’s center; the record gives no point)

Heavy rains caused flooding on the eastern side of Vinita. Water up to four inches deep entered up to fifteen houses. Boats were used in the streets to rescue families.

Hail, Delaware

When
May 9, 1:53 AM CST
Where
Delaware County, 4 mi W of Zena
Measured
0.75 in hail
Reported by
EMERGENCY MANAGER
Coordinates
36.500, -94.917

Flash Flood, Nowata

When
May 9, 2:00 AM CST to 3:00 AM CST
Where
Nowata County, Delaware
Reported by
EMERGENCY MANAGER
Coordinates
36.799, -95.617 (the zone’s center; the record gives no point)

Heavy rains caused the water in California Creek to flow over Highway 169 near Delaware.

Flash Flood, Ottawa

When
May 9, 2:30 AM CST to 4:00 AM CST
Where
Ottawa County, Miami
Property damage
$40,000
Reported by
EMERGENCY MANAGER
Coordinates
36.836, -94.810 (the zone’s center; the record gives no point)

Heavy rains caused 4 homes to be flooded and a few roads to be closed in Miami.

Flash Flood, Delaware

When
May 9, 5:00 AM CST
Where
Delaware County, Grove
Reported by
GENERAL PUBLIC
Coordinates
36.408, -94.803 (the zone’s center; the record gives no point)

Heavy rains caused Highway 10 to be under water to the south of Grove.

What these are

Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
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 Oklahoma in 2000Every state in 2000This day in weather historyWarnings in Oklahoma, May 2000

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: 5145960, 5145961, 5145963, 5145962, 5145964, 5145966, 5145965, 5145967, 5145971, 5145970, 5145968, 5145969, 5145972, 5145973, 5145974, 5145977, 5145975, 5145976, 5145978, 5145979, 5145980, 5146061, 5146340, 5146338, 5146341, 5146339, 5146342, 5146343, 5146344.