Kansas, 2000Tornadoes and Flash Flooding in Kansas, May 11, 2000
May 11, 2000 · NWS TOP · 7 events in 4 counties and zones
2 tornado, 2 flash flood, 1 lightning, 1 hail, 1 thunderstorm wind, as filed by the National Weather Service.
Every event with a place to put it; 3 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
- $111,000
- Crop damage
- None recorded
- Events
- 7
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
2 tornado, 2 flash flood, 1 lightning, 1 hail, 1 thunderstorm wind. Local standard time, as filed.
Tornado, Jefferson
- When
- May 11, 7:53 PM CST to 7:56 PM CST
- Where
- Jefferson County, 1 mi S of Grantville
- Rating
- F0
- Path length
- 1 mi
- Path width
- 40 yd
- Property damage
- $1,000
- Reported by
- TRAINED SPOTTER
- Coordinates
- 39.083, -95.567
A tornado formed just south of Grantville and moved east for a mile over open country doing minor power line damage before dissipating.
Lightning, Pottawatomie
- When
- May 11, 8:00 PM CST
- Where
- Pottawatomie County, 2 mi S of Onaga
- Property damage
- $1,000
- Reported by
- NEWSPAPER
- Coordinates
- 39.379, -96.342 (the zone’s center; the record gives no point)
Lightning did minor damage to a home near Onaga.
Flash Flood, Pottawatomie
- When
- May 11, 8:00 PM CST to 11:00 PM CST
- Where
- Pottawatomie County, Southeast Portion
- Reported by
- NEWSPAPER
- Coordinates
- 39.379, -96.342 (the zone’s center; the record gives no point)
Minor low land flooding occurred in southeast Pottawatomie county.
Flash Flood, Wabaunsee
- When
- May 11, 8:00 PM CST to 11:00 PM CST
- Where
- Wabaunsee County, Northeast Portion
- Reported by
- NEWSPAPER
- Coordinates
- 38.953, -96.205 (the zone’s center; the record gives no point)
Minor low land flooding occurred in the northeast part of the county.
Hail, Shawnee
- When
- May 11, 8:02 PM CST
- Where
- Shawnee County, 2 mi NE of Elmont
- Measured
- 0.75 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 39.183, -95.667
Thunderstorm Wind, Jefferson
- When
- May 11, 8:17 PM CST
- Where
- Jefferson County, 2 mi E of Perry
- Measured
- 60 kt (69 mph)
- Property damage
- $1,000
- Reported by
- GENERAL PUBLIC
- Coordinates
- 39.083, -95.367
Strong winds blew down power lines east of Perry.
Tornado, Jefferson
- When
- May 11, 8:27 PM CST to 8:40 PM CST
- Where
- Jefferson County, 1 mi N of Williamstown
- Rating
- F1
- Path length
- 8 mi
- Path width
- 75 yd
- Property damage
- $108,000
- Reported by
- GENERAL PUBLIC
- Coordinates
- 39.067, -95.333
A tornado touched down just north of Williamstown and moved east until it crossed into Leavenworth county at 2040 cst. Windows were blown out of a house north of Williamstown. East of Williamstown it struck a farmstead where 2 homes were damaged, 5 pole barns destroyed and 2 others damaged. Metal from an outbuilding was carried 100 feet and hung in a tree 10 feet above ground.
- Tornado
- A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.
- Lightning
- A lightning strike that killed, injured or caused damage.
- 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.
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
- 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.
- Tornadoes and Hail in Iowa, May 11, 20001 death · 25 injured · $2.4 million · F3 · 6 events
- Tornado and Hail in Missouri, May 11 to 12, 2000$5.0 million · F1 · 9 events
- Heat in Texas, May 11, 20001 death · 1 event
- Tornado and Hail in Kansas, May 11 to 12, 2000$2.6 million · F1 · 8 events
- Tornadoes and Flood in Iowa, May 11, 2000$1.6 million · F1 · 11 events
- Flooding and Hail in Wisconsin, May 11 to 12, 2000$263,000 · 1.75 in hail · 18 events
- High Surf in California, May 11 to 12, 2000$250,000 · 1 event
- Hail in Iowa, May 11, 2000$55,000 · 2.5 in hail · 12 events
- Hail and Lightning Strikes in Michigan, May 11, 20004 injured · 0.75 in hail · 6 events
- Damaging Winds in South Dakota, May 11, 2000$20,000 · 52 kt wind · 2 events
- Hail in Iowa, May 11, 20001.75 in hail · 13 events
- Hail in Wisconsin, May 11, 2000$15,000 · 1.75 in hail · 2 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: 5142316, 5142317, 5142318, 5142319, 5142320, 5142321, 5142405.