Ohio, 2002

Flash Flooding and Flooding in Ohio, April 19, 2002

April 19, 2002 · NWS ILN · 24 events in 10 counties and zones

17 hail, 3 flood, 2 thunderstorm wind, 2 flash flood, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 5 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
$10 million
Crop damage
None recorded
Events
24

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 Wilmington, OH wrote its last area forecast discussion before the first event at Apr 19, 1:10 PM EST, 2 hours earlier.

Area forecast discussion, Apr 19, 1:10 PM EST, 2 hours before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE WILMINGTON OH
210 PM EDT FRI APR 19 2002

SURFACE ANALYSIS INDICATES FRONT FROM KTOL TO KMIE TO KMTO.
SATELLITE IMAGERY INDICATES CU NEAR FRONT.  CU IS ALSO ENHANCED BY
LAKE BREEZE OF LAKE MI.

ETA AND AVN ARE IN PRETTY DESCENT AGREEMENT.  THE ONLY BIG
DIFFERENCE IS THE AVN PUSHES THE COLD FRONT FARTHER SOUTH ON
SATURDAY WHERE THE ETA HANGS IT JUST SOUTH OF FA.  SINCE ETA HAS
BETTER HANDLE ON LOWER LEVELS AND DIFFERENCE IS RATHER MINOR FROM A
CONUS PERSPECTIVE WILL GO WITH ETA.  CONVECTION EXPECTED TO DEVELOP
THIS AFTERNOON AND CONTINUE INTO THE OVERNIGHT.  THIS AFT/EVE
CAPE VALUES ARE EXPECTED TO BE >2000 J/KG WITH MAX THETA-E
DIFFERENCE >25 AND WET BULB ZERO AROUND 9KFT.  HAIL APPEARS TO BE
THE PRIMARY THREAT.  HOWEVER, WIND DAMAGE IS A POTENTIAL.

AN MCS WILL LIKELY DEVELOP TO OUR WEST AND ROLE INTO FA TOWARDS
MORNING.  WITH THE FRONT JUST TO OUR SOUTH WILL KEEP LIKELY POPS
GOING ALL DAY ACROSS NORTHERN KY AND FAR SOUTH CENTRAL OHIO.  LESSER
POPS TO THE NORTH ASSOCIATED WITH MORNING MCS.

NEXT THREAT OF RAIN WILL COME SUNDAY INTO SUNDAY NIGHT AS
SIGNIFICANT LOW MOVES ACROSS THE OHIO VALLEY.  AS A RESULT OF HEAVY
RAIN POTENTIAL TONIGHT AND SUNDAY/SUNDAY NIGHT WILL ISSUE AN ESF.

FWC TEMPS LOOK REASONABLE WILL ONLY MAKE MINOR ADJUSTMENTS.

.ILN...NONE.
 TIPTON

The radar

The Cincinnati radar (KILN), 85 km away, was scanning. The volume nearest the first event began at 20:08 UTC.

Open the radar archive at this moment

Event by event

17 hail, 3 flood, 2 thunderstorm wind, 2 flash flood. Local standard time, as filed.

Hail, Hamilton

When
April 19, 3:10 PM EST to 3:17 PM EST
Where
Hamilton County, Cleves
Measured
0.75 in hail
Property damage
$10,000
Reported by
TRAINED SPOTTER
Coordinates
39.167, -84.750

Hail, Hamilton

When
April 19, 3:15 PM EST to 3:17 PM EST
Where
Hamilton County, Groesbeck
Measured
0.75 in hail
Property damage
$8,000
Reported by
TRAINED SPOTTER
Coordinates
39.217, -84.583

Hail, Hamilton

When
April 19, 3:41 PM EST to 3:55 PM EST
Where
Hamilton County, Blue Ash
Measured
0.75 in hail
Property damage
$5.0 million
Reported by
TRAINED SPOTTER
Coordinates
39.233, -84.367

Major hail damage to homes, cars and buildings occurred in a swath from Montgomery and Blue Ash into Symmes Township and Loveland.

Hail, Clermont

When
April 19, 3:56 PM EST to 4:00 PM EST
Where
Clermont County, Milford
Measured
1 in hail
Property damage
$2.5 million
Reported by
TRAINED SPOTTER
Coordinates
39.167, -84.283

Hail damage to homes, barns, and cars occurred across the northwest part of the county, from Loveland and Miami Township to Goshen.

Hail, Warren

When
April 19, 4:16 PM EST to 4:20 PM EST
Where
Warren County, Maineville
Measured
1 in hail
Property damage
$2.5 million
Reported by
TRAINED SPOTTER
Coordinates
39.317, -84.217

Extensive hail damage to homes, cars and businesses occurred across the southern part of the county from Twenty Mile Stand, through Maineville to near Morrow and Pleasant Plain.

Hail, Clinton

When
April 19, 4:20 PM EST to 4:21 PM EST
Where
Clinton County, Blanchester
Measured
0.88 in hail
Property damage
$10,000
Reported by
NWS EMPLOYEE(OFF DUTY)
Coordinates
39.283, -83.983

Hail, Clinton

When
April 19, 4:23 PM EST to 4:28 PM EST
Where
Clinton County, 2 mi E of Blanchester
Measured
1 in hail
Property damage
$10,000
Reported by
TRAINED SPOTTER
Coordinates
39.283, -83.950

Hail, Clinton

When
April 19, 4:39 PM EST to 4:41 PM EST
Where
Clinton County, Martinsville
Measured
1 in hail
Property damage
$7,000
Reported by
TRAINED SPOTTER
Coordinates
39.317, -83.817

Thunderstorm Wind, Clinton

When
April 19, 4:40 PM EST to 4:47 PM EST
Where
Clinton County, 5 mi NW of New Vienna
Measured
55 kt (63 mph)
Property damage
$100,000
Reported by
LAW ENFORCEMENT
Coordinates
39.367, -83.767

A dozen homes sustained wind and/or hail damage in the vicinity of Farmers Rd. and State Route 350. There was also a roof ripped off a house on the west side of New Vienna.

Hail, Highland

When
April 19, 4:50 PM EST to 4:52 PM EST
Where
Highland County, Leesburg
Measured
0.75 in hail
Property damage
$10,000
Reported by
TRAINED SPOTTER
Coordinates
39.350, -83.567

Hail, Warren

When
April 19, 4:58 PM EST to 5:02 PM EST
Where
Warren County, Lebanon
Measured
0.75 in hail
Property damage
$10,000
Reported by
TRAINED SPOTTER
Coordinates
39.433, -84.200

Hail, Clermont

When
April 19, 5:10 PM EST to 5:15 PM EST
Where
Clermont County, Mt Repose
Measured
0.75 in hail
Property damage
$10,000
Reported by
TRAINED SPOTTER
Coordinates
39.200, -84.217

Thunderstorm Wind, Hamilton

When
April 19, 5:16 PM EST to 5:22 PM EST
Where
Hamilton County, 3 mi N of Cincinnati
Measured
50 kt (58 mph)
Property damage
$5,000
Reported by
GENERAL PUBLIC
Coordinates
39.167, -84.550

Several trees were knocked down throughout the Clifton area.

Hail, Logan

When
April 19, 5:23 PM EST to 5:24 PM EST
Where
Logan County, Bellefontaine
Measured
0.88 in hail
Property damage
$10,000
Reported by
TRAINED SPOTTER
Coordinates
40.367, -83.767

Hail, Logan

When
April 19, 5:25 PM EST to 5:28 PM EST
Where
Logan County, 3 mi N of Bellefontaine
Measured
0.75 in hail
Property damage
$10,000
Reported by
TRAINED SPOTTER
Coordinates
40.417, -83.767

Hail, Clinton

When
April 19, 5:27 PM EST to 5:33 PM EST
Where
Clinton County, 2 mi NW of Wilmington
Measured
0.75 in hail
Property damage
$10,000
Reported by
LAW ENFORCEMENT
Coordinates
39.467, -83.867

Hail, Logan

When
April 19, 6:00 PM EST to 6:04 PM EST
Where
Logan County, De Graff
Measured
0.88 in hail
Property damage
$10,000
Reported by
AMATEUR RADIO
Coordinates
40.317, -83.917

Hail, Ross

When
April 19, 6:00 PM EST to 6:04 PM EST
Where
Ross County, Chillicothe
Measured
0.75 in hail
Property damage
$10,000
Reported by
LAW ENFORCEMENT
Coordinates
39.333, -82.983

Hail, Union

When
April 19, 6:15 PM EST to 6:19 PM EST
Where
Union County, Richwood
Measured
0.75 in hail
Property damage
$10,000
Reported by
LAW ENFORCEMENT
Coordinates
40.433, -83.300

Flood, Clermont

When
April 19, 6:15 PM EST to 7:15 PM EST
Where
Clermont forecast zone
Reported by
LAW ENFORCEMENT
Coordinates
39.047, -84.152 (the zone’s center; the record gives no point)

Scattered strong thunderstorms with hard downpours affected portions of southwest, south central and west central Ohio during the early evening. There were several reports of high water on roadways and flooded basements.

Flood, Brown

When
April 19, 6:45 PM EST to 7:45 PM EST
Where
Brown forecast zone
Reported by
LAW ENFORCEMENT
Coordinates
38.934, -83.867 (the zone’s center; the record gives no point)

Flood, Logan

When
April 19, 7:15 PM EST to 8:00 PM EST
Where
Logan forecast zone
Reported by
LAW ENFORCEMENT
Coordinates
40.388, -83.766 (the zone’s center; the record gives no point)

Flash Flood, Logan

When
April 19, 8:00 PM EST to 9:00 PM EST
Where
Logan County, Bellefontaine
Reported by
LAW ENFORCEMENT
Coordinates
40.388, -83.766 (the zone’s center; the record gives no point)

Numerous roads in town were closed due to high water.

Flash Flood, Champaign

When
April 19, 8:30 PM EST to 9:15 PM EST
Where
Champaign County, Rosewood
Reported by
LAW ENFORCEMENT
Coordinates
40.138, -83.769 (the zone’s center; the record gives no point)

Several roads were closed due to high water, and a few homes sustained basement flooding in town.

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.
Flood
Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.
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 Ohio in 2002Every state in 2002This day in weather historyWarnings in Ohio, April 2002

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: 5292140, 5292242, 5292141, 5292142, 5292143, 5292144, 5292145, 5292241, 5292146, 5292147, 5292149, 5292148, 5292150, 5292151, 5292152, 5292154, 5292153, 5292155, 5292156, 5292238, 5292239, 5292240, 5292237, 5292157.