Missouri, 1999

Hail and Damaging Winds in Missouri, May 16 to 17, 1999

May 16 to 17, 1999 · NWS EAX · 10 events in 9 counties and zones

A cold front triggered thunderstorm development over Kansas. The storms moved eastward into west-central Missouri, producing widespread damaging winds and large hail.

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

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The toll

Deaths
0
Injuries
3
Property damage
$88,000
Crop damage
None recorded
Events
10

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 EAX wrote it up.

A cold front triggered thunderstorm development over Kansas. The storms moved eastward into west-central Missouri, producing widespread damaging winds and large hail.

The radar

The Pleasant Hill radar (KEAX), 61 km away, was scanning. The volume nearest the first event began at 03:10 UTC.

Open the radar archive at this moment

Event by event

6 thunderstorm wind, 4 hail. Local standard time, as filed.

Hail, Clay

When
May 16, 9:08 PM CST
Where
Clay County, Nashua
Measured
0.75 in hail
Reported by
TRAINED SPOTTER
Coordinates
39.300, -94.580

Thunderstorm Wind, Sullivan

When
May 16, 10:01 PM CST
Where
Sullivan County, Milan
Measured
50 kt (58 mph)
Reported by
TRAINED SPOTTER
Coordinates
40.200, -93.120

A large tree was downed in a road near Milan

Hail, Sullivan

When
May 16, 10:01 PM CST
Where
Sullivan County, Milan
Measured
1 in hail
Reported by
TRAINED SPOTTER
Coordinates
40.200, -93.120

Hail, Chariton

When
May 17, 12:00 AM CST
Where
Chariton County, 5 mi S of Keytesville
Measured
1 in hail
Property damage
$3,000
Reported by
LAW ENFORCEMENT
Coordinates
39.370, -92.950

Quarter size hail dented cars south of Keytesville.

Thunderstorm Wind, Jackson

When
May 17, 1:00 AM CST
Where
Jackson County, 4 mi N of Greenwood
Measured
52 kt (60 mph)
Reported by
UNKNOWN
Coordinates
38.900, -94.350

Tree limbs 6 to 8 inches in diameter were reported downed along Highway 150.

Thunderstorm Wind, Cass

When
May 17, 1:29 AM CST
Where
Cass County, Archie
Injuries
3 direct, 0 indirect
Property damage
$50,000
Reported by
LAW ENFORCEMENT
Coordinates
38.480, -94.370

Roofs were torn off 2 houses by thunderstorm wind gusts.

Thunderstorm Wind, Johnson

When
May 17, 1:45 AM CST
Where
Johnson County, 6 mi SW of Holden
Property damage
$10,000
Reported by
UNKNOWN
Coordinates
38.650, -94.080

A barn was severely damaged by thunderstorm winds southwest of Holden.

Hail, Grundy

When
May 17, 2:20 AM CST
Where
Grundy County, Trenton
Measured
0.75 in hail
Reported by
AMATEUR RADIO
Coordinates
40.080, -93.620

Thunderstorm Wind, Henry

When
May 17, 2:30 AM CST
Where
Henry County, Clinton
Measured
55 kt (63 mph)
Reported by
EMERGENCY MANAGER
Coordinates
38.380, -93.770

Tree limbs up to 8 inches in diameter, as well as utility poles, were downed.

Thunderstorm Wind, Lafayette

When
May 17, 2:30 AM CST
Where
Lafayette County, Corder
Property damage
$25,000
Reported by
EMERGENCY MANAGER
Coordinates
39.100, -93.650

A mobile home was destroyed in Corder.

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.

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

The same day elsewhere

More

Every storm in Missouri in 1999Every state in 1999This day in weather historyWarnings in Missouri, May 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: 5698857, 5698858, 5698859, 5698864, 5698969, 5698860, 5698970, 5698861, 5698862, 5698863.