Kansas, 1999Flash Flooding and Hail in Kansas, May 20, 1999
May 20, 1999 · NWS ICT · 15 events in 8 counties and zones
8 hail, 4 flash flood, 3 thunderstorm wind, as filed by the National Weather Service.
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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- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 15
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.
Event by event
8 hail, 4 flash flood, 3 thunderstorm wind. Local standard time, as filed.
Hail, Russell
- When
- May 20, 3:15 PM CST
- Where
- Russell County, 3 mi SW of Bunker Hill
- Measured
- 0.75 in hail
- Reported by
- GENERAL PUBLIC
- Coordinates
- 38.830, -98.720
Hail, Barton
- When
- May 20, 3:25 PM CST
- Where
- Barton County, 2 mi NE of Hoisington
- Measured
- 0.75 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 38.530, -98.730
Hail, Ellsworth
- When
- May 20, 4:25 PM CST
- Where
- Ellsworth County, Ellsworth
- Measured
- 0.75 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 38.730, -98.230
Flash Flood, Barton
- When
- May 20, 4:55 PM CST to 5:55 PM CST
- Where
- Barton County, 3 mi NW of Odin
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 38.479, -98.756 (the zone’s center; the record gives no point)
Flash Flood, Ellsworth
- When
- May 20, 5:05 PM CST to 6:05 PM CST
- Where
- Ellsworth County, Ellsworth
- Reported by
- TRAINED SPOTTER
- Coordinates
- 38.697, -98.205 (the zone’s center; the record gives no point)
Street flooding in Ellsworth.
Flash Flood, Saline
- When
- May 20, 5:53 PM CST to 6:53 PM CST
- Where
- Saline County, Salina
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 38.784, -97.650 (the zone’s center; the record gives no point)
Considerable street flooding.
Hail, McPherson
- When
- May 20, 6:21 PM CST
- Where
- McPherson County, 3 mi SW of Inman
- Measured
- 0.75 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 38.200, -97.800
Hail, McPherson
- When
- May 20, 7:17 PM CST
- Where
- McPherson County, 3 mi S of Moundridge
- Measured
- 0.88 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 38.150, -97.520
Hail, McPherson
- When
- May 20, 7:19 PM CST
- Where
- McPherson County, Moundridge
- Measured
- 1.75 in hail
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 38.200, -97.520
Thunderstorm Wind, Kingman
- When
- May 20, 7:45 PM CST
- Where
- Kingman County, 1 mi S of Zenda
- Measured
- 52 kt (60 mph)
- Reported by
- TRAINED SPOTTER
- Coordinates
- 37.430, -98.280
Hail, Sedgwick
- When
- May 20, 8:20 PM CST
- Where
- Sedgwick County, Bentley
- Measured
- 0.75 in hail
- Reported by
- GENERAL PUBLIC
- Coordinates
- 37.880, -97.520
Hail, Sedgwick
- When
- May 20, 8:26 PM CST
- Where
- Sedgwick County, 2 mi NE of Furley
- Measured
- 0.88 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 37.900, -97.180
Thunderstorm Wind, Butler
- When
- May 20, 8:53 PM CST
- Where
- Butler County, 5 mi NW of El Dorado
- Measured
- 52 kt (60 mph)
- Reported by
- TRAINED SPOTTER
- Coordinates
- 37.870, -96.930
Thunderstorm Wind, Butler
- When
- May 20, 9:10 PM CST
- Where
- Butler County, Douglass
- Measured
- 52 kt (60 mph)
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 37.520, -97.020
Flash Flood, Sedgwick
- When
- May 20, 9:30 PM CST to 10:30 PM CST
- Where
- Sedgwick County, Wichita
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 37.685, -97.461 (the zone’s center; the record gives no point)
- 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.
- Thunderstorm Wind
- Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Flash Flooding and Damaging Winds in Nebraska, May 20, 1999$1.3 million · 63 kt wind · 7 events
- Tornado and Hail in Kansas, May 20 to 22, 1999$6,000 · F1 · 10 events
- Hail and Damaging Winds in Oklahoma, May 20 to 21, 19991.75 in hail · 23 events
- Tornadoes and Hail in Texas, May 20, 1999F0 · 21 events
- Tornado in Montana, May 20, 1999$25,000 · F0 · 1 event
- Hail and Damaging Winds in Kansas, May 20, 19991.75 in hail · 19 events
- Hail in Florida, May 20, 1999$20,000 · 1 in hail · 1 event
- Tornadoes and Hail in Texas, May 20, 1999F0 · 5 events
- Hail in Oklahoma, May 20, 1999$1,000 · 1.75 in hail · 4 events
- Hail in Kansas, May 20, 19991 in hail · 3 events
- Flash Flooding in Kansas, May 20, 19993 events
- Hail in Texas, May 20, 19991.25 in hail · 3 events
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: 5690687, 5690688, 5690689, 5690690, 5690691, 5690692, 5690693, 5690694, 5690695, 5690696, 5690697, 5690698, 5690699, 5690700, 5690701.