Kansas, 1964

Tornadoes and Hail in Kansas, April 20, 1964

April 20, 1964 · 15 events in 12 counties and zones

5 hail, 5 thunderstorm wind, 5 tornado, as filed by the National Weather Service.

Where it happened

Every event with a place to put it. 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
$103,000
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

5 hail, 5 thunderstorm wind, 5 tornado. Local standard time, as filed.

Hail, Brown

When
April 20, 1:45 AM CST
Where
Brown County
Measured
2.5 in hail
Coordinates
39.780, -95.500

Thunderstorm Wind, Anderson

When
April 20, 1:05 PM CST
Where
Anderson County
Coordinates
38.280, -95.280

Thunderstorm Wind, Reno

When
April 20, 3:15 PM CST
Where
Reno County
Measured
65 kt (75 mph)
Coordinates
38.080, -97.900

Hail, Saline

When
April 20, 4:20 PM CST
Where
Saline County
Measured
0.75 in hail
Coordinates
38.780, -97.580

Hail, Sumner

When
April 20, 7:10 PM CST
Where
Sumner County
Measured
0.75 in hail
Coordinates
37.380, -97.580

Tornado, Clay

When
April 20, 7:35 PM CST
Where
Clay County
Rating
F2
Path length
12.4 mi
Path width
50 yd
Property damage
$25,000
Coordinates
39.450, -97.080

Thunderstorm Wind, Sedgwick

When
April 20, 7:40 PM CST
Where
Sedgwick County
Coordinates
37.700, -97.400

Hail, Sedgwick

When
April 20, 7:51 PM CST
Where
Sedgwick County
Measured
0.75 in hail
Coordinates
37.700, -97.280

Thunderstorm Wind, Sedgwick

When
April 20, 7:51 PM CST
Where
Sedgwick County
Measured
75 kt (86 mph)
Coordinates
37.700, -97.280

Tornado, Miami

When
April 20, 9:40 PM CST
Where
Miami County
Rating
F2
Path width
33 yd
Property damage
$3,000
Coordinates
38.700, -94.780

Tornado, Atchison

When
April 20, 9:45 PM CST
Where
Atchison County
Path width
33 yd
Property damage
$25,000
Coordinates
39.520, -95.370

Tornado, Doniphan

When
April 20, 10:00 PM CST
Where
Doniphan County
Path width
33 yd
Property damage
$25,000
Coordinates
39.730, -95.180

Thunderstorm Wind, Shawnee

When
April 20, 10:37 PM CST
Where
Shawnee County
Measured
58 kt (67 mph)
Coordinates
39.080, -95.580

Tornado, Allen

When
April 20, 11:00 PM CST
Where
Allen County
Rating
F2
Path length
5.7 mi
Path width
33 yd
Property damage
$25,000
Coordinates
37.730, -95.300

Hail, Sumner

When
April 20, 11:00 PM CST
Where
Sumner County
Measured
1.75 in hail
Coordinates
37.380, -97.680

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.
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.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Kansas in 1964Every state in 1964This day in weather historyThe tornado archive for Kansas, 1964

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: 10025227, 10025228, 10025229, 10025230, 10025231, 10025232, 10025233, 10025234, 10025235, 10025236, 10025237, 10025238, 10025239, 10025240, 10025241.