Kansas, 1999

Flash Flood and Hail in Kansas, May 10, 1999

May 10, 1999 · NWS DDC · 22 events in 5 counties and zones

21 hail, 1 flash flood, as filed by the National Weather Service.

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

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
22

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 Wichita radar (KICT), 117 km away, was scanning. The volume nearest the first event began at 00:33 UTC.

Open the radar archive at this moment

Event by event

21 hail, 1 flash flood. Local standard time, as filed.

Hail, Stafford

When
May 10, 6:32 PM CST
Where
Stafford County, St John to 7 mi NE of St John
Measured
1 in hail
Reported by
TRAINED SPOTTER
Coordinates
38.070, -98.670

Hail, Stafford

When
May 10, 7:39 PM CST
Where
Stafford County, St John to 9 mi S of Seward
Measured
0.75 in hail
Reported by
NWS EMPLOYEE(OFF DUTY)
Coordinates
37.880, -98.750

Hail, Pratt

When
May 10, 7:40 PM CST
Where
Pratt County, 2 mi N of Byers
Measured
1 in hail
Reported by
LAW ENFORCEMENT
Coordinates
37.820, -98.870

Hail, Pratt

When
May 10, 7:50 PM CST
Where
Pratt County, Byers to 1 mi N of Byers
Measured
1 in hail
Reported by
LAW ENFORCEMENT
Coordinates
37.780, -98.870

Hail, Stafford

When
May 10, 8:02 PM CST
Where
Stafford County, 6 mi SW of St John
Measured
0.75 in hail
Reported by
LAW ENFORCEMENT
Coordinates
37.950, -98.830

Hail, Pratt

When
May 10, 8:05 PM CST
Where
Pratt County, 10 mi NNW of Pratt
Measured
0.75 in hail
Reported by
LAW ENFORCEMENT
Coordinates
37.780, -98.800

Hail, Pratt

When
May 10, 8:12 PM CST
Where
Pratt County, 9 mi NW of Pratt
Measured
0.75 in hail
Reported by
LAW ENFORCEMENT
Coordinates
37.750, -98.850

Hail, Pratt

When
May 10, 8:17 PM CST
Where
Pratt County, 2 mi N of Iuka
Measured
0.88 in hail
Reported by
NWS EMPLOYEE(OFF DUTY)
Coordinates
37.770, -98.730

Hail, Pratt

When
May 10, 8:32 PM CST
Where
Pratt County, 3 mi N of Pratt
Measured
1 in hail
Reported by
NWS EMPLOYEE(OFF DUTY)
Coordinates
37.700, -98.730

Hail, Pratt

When
May 10, 8:37 PM CST
Where
Pratt County, 2 mi NW of Pratt
Measured
0.75 in hail
Reported by
LAW ENFORCEMENT
Coordinates
37.670, -98.770

Hail, Pratt

When
May 10, 8:43 PM CST
Where
Pratt County, Pratt to 2 mi N of Pratt
Measured
0.88 in hail
Reported by
LAW ENFORCEMENT
Coordinates
37.670, -98.730

Hail, Pratt

When
May 10, 8:45 PM CST
Where
Pratt County, Pratt
Measured
1 in hail
Reported by
NWS EMPLOYEE(OFF DUTY)
Coordinates
37.650, -98.730

Hail, Pratt

When
May 10, 8:45 PM CST
Where
Pratt County, 1 mi S of Pratt
Measured
1 in hail
Reported by
LAW ENFORCEMENT
Coordinates
37.630, -98.730

Hail, Pratt

When
May 10, 8:46 PM CST
Where
Pratt County, Coats
Measured
0.75 in hail
Reported by
LAW ENFORCEMENT
Coordinates
37.520, -98.830

Hail, Kearny

When
May 10, 8:48 PM CST
Where
Kearny County, 6 mi W of Lakin
Measured
0.75 in hail
Reported by
LAW ENFORCEMENT
Coordinates
37.950, -101.370

Had 50 mph wind along with the hail.

Hail, Finney

When
May 10, 9:20 PM CST
Where
Finney County, 7 mi S of Holcomb
Measured
0.88 in hail
Reported by
LAW ENFORCEMENT
Coordinates
37.880, -100.980

Had 55 mph wind along with the hail.

Hail, Barber

When
May 10, 9:25 PM CST
Where
Barber County, 3 mi W of Lake City
Measured
0.75 in hail
Reported by
LAW ENFORCEMENT
Coordinates
37.350, -98.870

Hail, Pratt

When
May 10, 9:30 PM CST
Where
Pratt County, 13 mi SW of Pratt
Measured
0.75 in hail
Reported by
LAW ENFORCEMENT
Coordinates
37.520, -98.900

Flash Flood, Pratt

When
May 10, 9:30 PM CST
Where
Pratt County, 13 mi SW of Pratt
Reported by
LAW ENFORCEMENT
Coordinates
37.648, -98.740 (the zone’s center; the record gives no point)

Water was over a county road.

Hail, Pratt

When
May 10, 9:30 PM CST
Where
Pratt County, 2 mi S of Coats
Measured
0.75 in hail
Reported by
LAW ENFORCEMENT
Coordinates
37.480, -98.830

Hail, Pratt

When
May 10, 10:30 PM CST
Where
Pratt County, Sawyer to 11 mi E of Sawyer
Measured
0.75 in hail
Reported by
TRAINED SPOTTER
Coordinates
37.480, -98.480

Hail, Barber

When
May 10, 10:48 PM CST
Where
Barber County, 6 mi S of Sun City
Measured
1 in hail
Reported by
GENERAL PUBLIC
Coordinates
37.300, -98.920

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 Kansas in 1999Every state in 1999This day in weather historyWarnings in Kansas, May 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: 5701740, 5701741, 5701742, 5701743, 5701744, 5701745, 5701746, 5701747, 5701748, 5701749, 5701750, 5701751, 5701752, 5701862, 5701863, 5701864, 5701865, 5701866, 5701867, 5701868, 5701869, 5701870.