Flash Flooding and Hail in Missouri, April 14, 2001

Name: Flash Flooding and Hail in Missouri, April 14, 2001
Start: 2001-04-14T18:45
End: 2001-04-14T23:59
Location: Missouri

April 14, 2001 · NWS EAX · 18 events in 7 counties and zones

9 hail, 7 thunderstorm wind, 2 flash flood, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 2 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

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: $12,000
Crop damage: None recorded
Events: 18

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 forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Kansas City, MO wrote its last area forecast discussion before the first event at Apr 14, 3:17 PM CST, 3 hours 28 minutes earlier.

Area forecast discussion, Apr 14, 3:17 PM CST, 3 hours 28 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
417 PM CDT SAT APR 14 2001

TSRA HAVE FORMED ALONG H8 FRONTAL BOUNDARY AND SLIDING INTO WRN CWA.
THIS WILL BE THE FIRST CONCERN. SURGING SFC BOUNDARY FROM THE SOUTH
WILL BE THE NEXT ONE LATER THIS EVENING. SHTWV COMING OUT OF THE
ROCKIES IS THE INSTIGATOR. MOISTURE FINALLY RETURNING WILL LIGHT UP
THE SFC BOUNDRY.

SHTWV MOVES THRU PRETTY QUICK WITH DOWNWARD MOTION BY 12Z. MAY SEE
SOME REMAINING SHOWERS LEAVING ERN CWA EARLY.  ONLY OTHER THING TO
LOOK AT WAS THE CHC OF RAIN ON MONDAY. 300K ISENTROPIC LIFT PRETTY
DECENT IN THE WRN ZONES...AND HAVE ADDED CHC OF RAIN. MDLS STILL IN
AGREEMENT WITH COLD TEMPS COME DOWN AHEAD OF SFC HIGH. HAVE GENRLY
GONE WITH MAV GUID TEMPS.

NXT CHC FOR PCPN LOOKS TO BE SAT IN THE EXTENDED.

.EAX...NONE

LVQ

In the hours before

Local storm report, Apr 14, 6:08 PM CST, 37 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
708 PM CDT SAT APR 14 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY< LOCATION....

0700 PM    2 W DE SOTO               KS   .75 INCH HAIL
04/14/01   JOHNSON                        REPORTED BY EMERGENCY
                                          MANAGEMENT.

The radar

The Pleasant Hill radar (KEAX), 30 km away, was scanning. The volume nearest the first event began at 00:43 UTC.

Open the radar archive at this moment

Event by event

9 hail, 7 thunderstorm wind, 2 flash flood. Local standard time, as filed.

Hail, Jackson

When: April 14, 6:45 PM CST
Where: Jackson County, Raytown
Measured: 0.75 in hail
Reported by: GENERAL PUBLIC
Coordinates: 39.017, -94.483

Thunderstorm Wind, Jackson

When: April 14, 6:45 PM CST
Where: Jackson County, Unity Vlg
Measured: 75 kt (86 mph)
Property damage: $5,000
Reported by: GENERAL PUBLIC
Coordinates: 38.950, -94.400

Wind gusts to 86 mph were recorded at Unity Village. A large plate glass window was destroyed, on the 4th floor of the main building. A 11/2 foot diameter tree was blown over as well as numerous smaller trees.

Thunderstorm Wind, Jackson

When: April 14, 6:45 PM CST
Where: Jackson County, Kansas City
Measured: 52 kt (60 mph)
Reported by: OFFICIAL NWS OBS.
Coordinates: 39.083, -94.567

Thunderstorm Wind, Jackson

When: April 14, 6:50 PM CST
Where: Jackson County, Lees Summit
Measured: 61 kt (70 mph)
Property damage: $5,000
Reported by: AWOS,ASOS,MESONET,ETC
Coordinates: 38.917, -94.383

Wind gusts to 70 mph were observed at the Lee's Summit airport. A large wall was blown off a new building at the airport.

Hail, Lafayette

When: April 14, 7:31 PM CST
Where: Lafayette County, 7 mi SE of Odessa
Measured: 0.88 in hail
Reported by: OFFICIAL NWS OBS.
Coordinates: 38.933, -93.867

Thunderstorm Wind, Johnson

When: April 14, 7:42 PM CST
Where: Johnson County, 1 mi NW of Warrensburg
Measured: 60 kt (69 mph)
Reported by: EMERGENCY MANAGER
Coordinates: 38.783, -93.767

Hail, Johnson

When: April 14, 7:43 PM CST
Where: Johnson County, 5 mi N of Warrensburg
Measured: 0.88 in hail
Reported by: EMERGENCY MANAGER
Coordinates: 38.833, -93.750

Thunderstorm Wind, Johnson

When: April 14, 7:55 PM CST
Where: Johnson County, Knob Noster
Measured: 70 kt (81 mph)
Property damage: $2,000
Reported by: TRAINED SPOTTER
Coordinates: 38.767, -93.567

Trained spotter estimated wind gusts to 80 mph with cars blown off road.

Hail, Jackson

When: April 14, 8:25 PM CST
Where: Jackson County, Kansas City
Measured: 1 in hail
Reported by: GENERAL PUBLIC
Coordinates: 39.083, -94.567

Hail, Johnson

When: April 14, 8:45 PM CST
Where: Johnson County, 3 mi S of Kingsville
Measured: 1.75 in hail
Reported by: EMERGENCY MANAGER
Coordinates: 38.700, -94.083

Hail, Cass

When: April 14, 8:49 PM CST
Where: Cass County, Drexel
Measured: 1.75 in hail
Reported by: LAW ENFORCEMENT
Coordinates: 38.483, -94.600

Law enforcement reported 70 mph wind gusts and 1 3/4 inch hail.

Flash Flood, Jackson

When: April 14, 9:09 PM CST to 11:59 PM CST
Where: Jackson County, Lone Jack
Reported by: AMATEUR RADIO
Coordinates: 39.009, -94.346 (the zone’s center; the record gives no point)

Flash flooding of creek in Blue-Gray park reported. Several roads in park became impassable due tohigh water.

Hail, Johnson

When: April 14, 9:13 PM CST
Where: Johnson County, Holden
Measured: 0.75 in hail
Reported by: GENERAL PUBLIC
Coordinates: 38.717, -94.000

Hail, Bates

When: April 14, 9:21 PM CST
Where: Bates County, Adrian
Measured: 0.75 in hail
Reported by: TRAINED SPOTTER
Coordinates: 38.400, -94.350

Trained spotter reported 3/4 inch hail and wind gusts to 60 mph.

Thunderstorm Wind, Johnson

When: April 14, 9:22 PM CST
Where: Johnson County, Centerview
Measured: 70 kt (81 mph)
Reported by: EMERGENCY MANAGER
Coordinates: 38.750, -93.850

Emergency manager estimated wind gusts to 80 mph and one inch hail.

Flash Flood, Johnson

When: April 14, 9:49 PM CST
Where: Johnson County, Warrensburg
Reported by: EMERGENCY MANAGER
Coordinates: 38.744, -93.806 (the zone’s center; the record gives no point)

Route DD flooded just north of Warrensburg.

Hail, Pettis

When: April 14, 9:52 PM CST
Where: Pettis County, La Monte
Measured: 0.75 in hail
Reported by: EMERGENCY MANAGER
Coordinates: 38.783, -93.433

Emergency manager reported 3/4 inch hail and wind gusts to 60 mph.

Thunderstorm Wind, Henry

When: April 14, 9:55 PM CST
Where: Henry County, Tightwad
Measured: 60 kt (69 mph)
Reported by: LAW ENFORCEMENT
Coordinates: 38.317, -93.550

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

Every storm in Missouri in 2001 Every state in 2001 This day in weather history Warnings in Missouri, April 2001

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: 5243644, 5243645, 5243646, 5243647, 5243657, 5243650, 5243651, 5243652, 5243648, 5243653, 5243541, 5243649, 5243654, 5243540, 5243655, 5243656, 5243658, 5243542.