Ohio, 2001Flood in Ohio, July 18, 2001
July 18, 2001 · NWS ILN · 1 event in 1 county or zone
1 flood, as filed by the National Weather Service.
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
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- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 1
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 17, 8:37 PM EST, 3 hours 23 minutes earlier.
Area forecast discussion, Jul 17, 8:37 PM EST, 3 hours 23 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE WILMINGTON OH
937 PM EDT TUE JUL 17 2001
CONVECTION ACROSS THE CWFA THIS EVE HAS BEEN RATHER STRONGLY
FORCED...WITH NICE DPVA IN THE MID/UPPER LVLS AND RATHER ROBUST LLVL
WAA. FOR THE PAST FEW HOURS...ACTIVITY HAS BEEN FOCUSED ALONG
MESOSCALE BNDRY DRAPED OVER SW OHIO AND EAST CENTRAL INDIANA.
PWAT ON 00Z SOUNDING OVER 2 INCHES (2.04)...AND HV SEEN INCREASINGLY
EFFICIENT RAINERS INCLUDING A MEASUREMENT OF 4+ INCHES IN ADAMS
COUNTY IN 90 MINUTES. VERY DRY ANTECEDENT CONDS HV KEPT FLOOD
THREAT DOWN SO FAR...BUT NOT REAL COMFORTABLE WITH HOW ACTIVITY IF
BEGINNING TO TRAIN UP. WL BE CONSIDERING FFA THROUGH 10-1030 PM.
A
REST OF PREV FCST STILL LKS GOOD.
.ILN...NONE.
JOHNSTONE
Flood, Clermont
- When
- July 18, 12:00 AM EST to 8:30 AM EST
- Where
- Clermont forecast zone
- Reported by
- OFFICIAL NWS OBS.
- Coordinates
- 39.047, -84.152 (the zone’s center; the record gives no point)
The Little Miami River overflowed its banks at Milford reaching a crest of 21.5 feet at 400 am EST on the 18th. Flood stage is 17.0 feet. Flooding occurred in low areas between Main Street and the river and along portions of Roundbottom Road in Anderson Township.
- Flood
- Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Tornadoes and Flash Flooding in North Dakota, July 18 to 19, 2001$484,000 · F3 · 37 events
- Tornadoes and Flash Flooding in Minnesota, July 18, 2001$268,000 · F1 · 49 events
- Tornadoes and Flash Flooding in South Dakota, July 18 to 19, 2001F2 · 24 events
- Hail and Damaging Winds in Kansas, July 18, 2001$2.2 million · 1.75 in hail · 3 events
- Lightning Strike in Wisconsin, July 18, 2001$750,000 · 1 event
- Tornado and Damaging Wind in Nebraska, July 18, 2001$165,000 · F1 · 2 events
- Damaging Wind in Nebraska, July 18, 2001$500,000 · 70 kt wind · 1 event
- Flash Flood in Ohio, July 18, 2001$400,000 · 1 event
- Damaging Wind in Arizona, July 18, 2001$58,000 · 52 kt wind · 1 event
- Tornado in North Dakota, July 18, 2001F1 · 1 event
- Flash Flood and Hail in Montana, July 18, 20014.5 in hail · 21 events
- Lightning Strike in New Jersey, July 18, 2001$25,000 · 1 event
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: 5257102.