Kansas, 1999

Flash Flooding and Hail in Kansas, June 11, 1999

June 11, 1999 · NWS GLD · 17 events in 8 counties and zones

8 thunderstorm wind, 5 hail, 4 flash flood, as filed by the National Weather Service.

Where it happened

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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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
17

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 Goodland radar (KGLD), 57 km away, was scanning. The volume nearest the first event began at 07:13 UTC.

Open the radar archive at this moment

Event by event

8 thunderstorm wind, 5 hail, 4 flash flood. Local standard time, as filed.

Hail, Thomas

When
June 11, 1:15 AM CST
Where
Thomas County, 5 mi N of Colby
Measured
0.75 in hail
Reported by
LAW ENFORCEMENT
Coordinates
39.470, -101.050

Thunderstorm Wind, Thomas

When
June 11, 2:00 AM CST
Where
Thomas County, Mingo
Measured
57 kt (66 mph)
Reported by
TRAINED SPOTTER
Coordinates
39.280, -100.970

Thunderstorm Wind, Gove

When
June 11, 2:14 AM CST
Where
Gove County, Grinnell
Measured
69 kt (79 mph)
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
39.130, -100.630

Thunderstorm Wind, Logan

When
June 11, 2:20 AM CST
Where
Logan County, 5 mi W of Oakley
Measured
70 kt (81 mph)
Reported by
LAW ENFORCEMENT
Coordinates
39.130, -100.950

Flash Flood, Logan

When
June 11, 2:55 AM CST
Where
Logan County, 4 mi N of Russell Spgs
Reported by
LAW ENFORCEMENT
Coordinates
38.917, -101.148 (the zone’s center; the record gives no point)

Highway 25 flooded.

Thunderstorm Wind, Gove

When
June 11, 3:00 AM CST
Where
Gove County, 3 mi W of Campus
Measured
61 kt (70 mph)
Reported by
GENERAL PUBLIC
Coordinates
39.120, -100.800

Flash Flood, Thomas

When
June 11, 3:00 AM CST
Where
Thomas County, Colby
Reported by
GENERAL PUBLIC
Coordinates
39.351, -101.055 (the zone’s center; the record gives no point)

Numerous basements flooded in the city of Colby.

Thunderstorm Wind, Sheridan

When
June 11, 3:15 AM CST
Where
Sheridan County, 3 mi N of Angelus
Measured
57 kt (66 mph)
Reported by
GENERAL PUBLIC
Coordinates
39.230, -100.670

Thunderstorm Wind, Gove

When
June 11, 3:22 AM CST
Where
Gove County, Grinnell
Measured
69 kt (79 mph)
Reported by
GENERAL PUBLIC
Coordinates
39.130, -100.630

Hail, Norton

When
June 11, 4:05 AM CST
Where
Norton County, New Almelo
Measured
0.75 in hail
Reported by
GENERAL PUBLIC
Coordinates
39.600, -100.120

Thunderstorm Wind, Norton

When
June 11, 4:05 AM CST
Where
Norton County, New Almelo
Measured
52 kt (60 mph)
Reported by
GENERAL PUBLIC
Coordinates
39.600, -100.120

Hail, Decatur

When
June 11, 4:10 AM CST
Where
Decatur County, 4 mi S of Norcatur
Measured
0.75 in hail
Reported by
GENERAL PUBLIC
Coordinates
39.780, -100.180

Thunderstorm Wind, Graham

When
June 11, 4:16 AM CST
Where
Graham County, Penokee
Measured
52 kt (60 mph)
Reported by
GENERAL PUBLIC
Coordinates
39.350, -99.970

Hail, Decatur

When
June 11, 4:16 AM CST
Where
Decatur County, 4 mi S of Norcatur
Measured
0.75 in hail
Reported by
GENERAL PUBLIC
Coordinates
39.780, -100.180

Hail, Graham

When
June 11, 4:16 AM CST
Where
Graham County, Penokee
Measured
0.75 in hail
Reported by
GENERAL PUBLIC
Coordinates
39.350, -99.970

Flash Flood, Decatur

When
June 11, 7:15 AM CST
Where
Decatur County, 14 mi SW of Oberlin
Reported by
LAW ENFORCEMENT
Coordinates
39.785, -100.460 (the zone’s center; the record gives no point)

Sappa Creek flooded out of its Banks.

Flash Flood, Sherman

When
June 11, 6:45 AM MST to 7:45 AM MST
Where
Sherman County, 16 mi NE of Goodland
Reported by
GENERAL PUBLIC
Coordinates
39.351, -101.720 (the zone’s center; the record gives no point)

Beaver Creek flooded over its Banks. Secondary roads and fields were flooded.

What these are

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.
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, June 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: 5703057, 5703058, 5703059, 5703060, 5703061, 5703048, 5703049, 5703050, 5703051, 5703052, 5703053, 5703064, 5703054, 5703055, 5703056, 5703062, 5703063.