Kansas, 2000

Flash Flooding and Damaging Winds in Kansas, June 20, 2000

June 20, 2000 · NWS TOP · 6 events in 4 counties and zones

Early morning thunderstorms produced some heavy rains of 2 to locally 5 inches which caused some localized areas of flooding. Water was over interstate 70 near Maple Hill for a time.

Where it happened

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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The toll

Deaths
0
Injuries
0
Property damage
$500
Crop damage
None recorded
Events
6

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.

What happened

The episode as NWS TOP wrote it up.

Early morning thunderstorms produced some heavy rains of 2 to locally 5 inches which caused some localized areas of flooding. Water was over interstate 70 near Maple Hill for a time. Flooding also occurred in southeast Shawnee county near the intersection of K-40 highway and Shawnee Heights Road. In south Lawrence water was half way up the sides of some cars.

The radar

The Topeka radar (KTWX), 94 km away, was scanning. The volume nearest the first event began at 07:01 UTC.

Open the radar archive at this moment

Event by event

3 thunderstorm wind, 3 flash flood. Local standard time, as filed.

Thunderstorm Wind, Nemaha

When
June 20, 12:56 AM CST
Where
Nemaha County, Seneca
Measured
61 kt (70 mph)
Property damage
$500
Reported by
LAW ENFORCEMENT
Coordinates
39.833, -96.067

Strong winds blew down a tree and blew out two windows in a law enforcement vehicle.

Thunderstorm Wind, Nemaha

When
June 20, 1:00 AM CST
Where
Nemaha County, Seneca
Measured
66 kt (76 mph)
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
39.833, -96.067

A gust to 76 mph was recorded at the mesonet site of a local TV station.

Thunderstorm Wind, Nemaha

When
June 20, 1:07 AM CST
Where
Nemaha County, Seneca
Measured
52 kt (60 mph)
Reported by
LAW ENFORCEMENT
Coordinates
39.833, -96.067

Strong winds downed trees in Seneca.

Flash Flood, Wabaunsee

When
June 20, 5:15 AM CST
Where
Wabaunsee County, Maple Hill
Reported by
NEWSPAPER
Coordinates
38.953, -96.205 (the zone’s center; the record gives no point)

Flash Flood, Shawnee

When
June 20, 6:15 AM CST
Where
Shawnee County, 4 mi SE of Topeka
Reported by
LAW ENFORCEMENT
Coordinates
39.042, -95.756 (the zone’s center; the record gives no point)

Flash Flood, Douglas

When
June 20, 6:45 AM CST
Where
Douglas County, Lawrence
Reported by
GENERAL PUBLIC
Coordinates
38.885, -95.293 (the zone’s center; the record gives no point)

What these are

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.
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 2000Every state in 2000This day in weather historyWarnings in Kansas, June 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: 5149779, 5149780, 5149784, 5149781, 5149782, 5149783.