2 thunderstorm wind, 1 lightning, 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.
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.
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 Aug 26, 2:02 PM EST, 58 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE WILMINGTON OH 302 PM EDT SUN AUG 26 2001 SURFACE ANALYSIS SHOWS FRONT FROM KTOL TO KFWA TO KHUF TO SRN IL. KILN...KIND AND KIWX SHOWING SCATTERED CONVECTION ALONG AND AHEAD OF FRONT. SATELLITE IMAGERY INDICATES BEST CLOUD COVERAGE OVER CENTRAL OHIO. MODELS ARE FAIRLY SIMILAR THROUGH THE FIRST 36 TO 48 HOURS. HOWEVER...DIFFERENCES ARE EVIDENT BETWEEN 48 TO 60 HOURS WITH REGARDS TO CLIPPER TYPE SYSTEM MOVING FROM THE WESTERN GREAT LAKES INTO FA. AVN HAS BEEN VERY CONSISTENT WITH TIMING OF THIS SYSTEM THROUGH THE PAST 3 RUNS. DROG/DT ON THE ETA AT 48HRS SHOWS THE ETA IS A BIT SLOWER AND SHARPER FROM ITS 00Z RUN. 12Z UKMET APPEARS TO BE A COMPROMISE BUT IS CLOSER TO ETA IN TIMING AND SHARPNESS OF SURFACE FRONT. WILL LEAN TOWARDS AVN SOLUTION AS FAST NORTHWEST FLOW...WILL KEEP CLIPPER MOVING. OVERNIGHT...CONVECTION WILL END FROM NORTHWEST TO SOUTHEAST. WILL MAKE AN AUDIBLE ON MENTION OF EVENING IN WAPAK. DAYTON WILL GET EVENING WORDING. CVG AND CMH WILL GET MIDNIGHT WORDING. PORTSMOUTH ALL NIGHT. CONCERNED ABOUT FOG IN THE MORNING. UPSTREAM THERE WASNT A DENSE LAST NIGHT. AT THE MOMENT FIGURE ON GROUND FOG OR 3 TO 5 MILE RESTRICTIONS. LATTER SHIFTS WILL HAVE TO MONITOR. FWC TEMPS LOOK GOOD. MISILN WILL BE OUT SHORTLY. .ILN...NONE. TIPTON
The Cincinnati radar (KILN), 67 km away, was scanning. The volume nearest the first event began at 20:12 UTC.
2 thunderstorm wind, 1 lightning. Local standard time, as filed.
Lightning struck a person during an air show at Lunken Field.
Trees and power lines knocked down.
Thunderstorms knocked down numerous large limbs.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Ohio in 2001Every state in 2001This day in weather historyWarnings in Ohio, August 2001
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: 5257370, 5257369, 5257368.