Ohio, 2001

Flash Flood and Hail in Ohio, July 29, 2001

July 29, 2001 · NWS ILN · 2 events in 2 counties and zones

1 flash flood, 1 hail, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 1 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
None recorded
Crop damage
None recorded
Events
2

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 Jul 29, 1:30 AM EST, 4 hours earlier.

Area forecast discussion, Jul 29, 1:30 AM EST, 4 hours before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE WILMINGTON OH
230 AM EDT SUN JUL 29 2001

ALL MODELS DROP VORT ACROSS THE FA EARLY TODAY...BUT DIFFER A LITTLE
ON TIMING.  ETA/AVN A LITTLER QUICKER THAN NGM AS THEY HAVE VORT
INTO WV BY 18Z...WHILE NGM HOLDS IT BACK INTO OH.  PCPN ALWAYS SEEM
TO HOLD ON LITTLE LONGER THAN MODELS EXPECT IN THE SE...SO WILL
SLOW THINGS DOWN AND LINGER PCPN IN THE SE INTO THE AFTERNOON.  ALL
MODELS SHOW NEGATIVE LI IN THE AFTERNOON ACROSS THE WEST...BUT THERE
IS GOOD SUBSIDENCE IN THE AFTERNOON...SO FEEL THAT ANY CONVECTION
WILL BE SUPPRESSED.

PW REMAIN AROUND TWO INCHES DURING THE MORNING HOURS...AND WITH VORT
STILL TO SWING THROUGH...WILL LEAVE FFA ALONE.

SECOND VORT DROPS SE INTO THE OH OVERNIGHT.  AVN A LITTLE QUICKER
BRINGING A LOBE INTO THE FA BY LATE AFTERNOON.  PREFER THE SLOWER
ETA SOLUTION. WITH VORT COMING IN OVERNIGHT...ATMOSPHERE SHOULD HAVE
LOST SOME OF ITS INSTABILITY. WILL KEEP TONIGHT DRY.

HIGH PRESSURE BUILDS IN FOR MONDAY.

AS FOR TEMPERATURES MOS LOOKS TO BE RUNNING WARM BY A DEGREE OR SO
EACH PERIOD...SO WILL GO CLOSER TO CURRENT FORECAST.

CLEMISILN OUT LATER.

.ILN...FLA9SH FLOOD WATCH TIL 8 AM EDT FOR SE INDIANA...SW OH...
         N CNTRL KY
       FLASH FLOOD WATCH TIL NOON FOR S CNTRL OH AND NE KY.

SITES

The radar

The Cincinnati radar (KILN), 55 km away, was scanning. The volume nearest the first event began at 10:59 UTC.

Open the radar archive at this moment

Event by event

1 flash flood, 1 hail. Local standard time, as filed.

Flash Flood, Clark

When
July 29, 5:30 AM EST to 6:30 AM EST
Where
Clark County, Tremont City
Reported by
LAW ENFORCEMENT
Coordinates
39.917, -83.784 (the zone’s center; the record gives no point)

Thunderstorms produced heavy rain which caused flooded roads.

Hail, Fairfield

When
July 29, 6:00 AM EST to 6:04 AM EST
Where
Fairfield County, Amanda
Measured
0.75 in hail
Reported by
LAW ENFORCEMENT
Coordinates
39.650, -82.733

Thunderstorms produced dime size hail.

What these are

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.
Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.

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

The same day elsewhere

More

Every storm in Ohio in 2001Every state in 2001This day in weather historyWarnings in Ohio, July 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: 5257099, 5257100.