4 thunderstorm wind, 2 hail, as filed by the National Weather Service.
Every event with a place to put it. 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 Cleveland, OH wrote its last area forecast discussion before the first event at Aug 27, 12:35 PM EST, 11 minutes earlier.
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE CLEVELAND OHIO 135 PM EDT FRI AUG 27 2004 .AVIATION (18Z-18Z)... TSTMS DVLPG ON OUTFLOW BOUNDARIES OVR NW OHIO ACTIVITY SHOULD DCR AS IT MOVS E INTO ERN OHIO...AS BEST CONVG IS NW OH. .SHORT TERM (TODAY THRU SAT) BIG QUESTION IN THE SHORT TERM IS WHERE WILL THE REMNANTS OF THE THUNDERSTORMS OVER ILLINOIS GO. RUC MODEL TAKES THE WHOLE PACKAGE UP INTO MICHIGAN WHILE THE ETA AND GFS SOLUTIONS SAY IT WILL HEAD EAST AND THEN WEAKEN WITH TIME. LATEST RADAR INDICATES LINE APPEARS TO BE WEAKENING ACROSS THE CENTRAL PORTIONS OF THE LINE. SOME WARMING OF THE TOPS ALSO INDICATED ON THE LAST FEW SATELLITE IMAGES. FORECAST AREA HAS BEEN IN THE SOUTHWEST FLOW WITH FRONTAL BOUNDARY TO THE NORTH TO NORTHWEST OVER THE LAST FEW DAYS. SO...TREND POINTS TOWARD SOME LEFTOVER SHOWER AND MAYBE AN EMBEDDED THUNDERSTORM THIS MORNING FROM REMNANTS. DEW POINTS HAVE RISEN INTO THE MIDDLE AND UPPER 70S OVER ILLINOIS AND INDIANA AND IT APPEARS OUR DEW POINTS WILL RISE FROM THE CURRENT UPPER 60S INTO THE LOWER 70S THROUGHOUT THE DAY MAKING IT FEEL VERY MUGGY. INSTABILITY PARAMETERS ARE NOT AS IMPRESSIVE ON THIS MORNINGS RUN COMPARED TO 24 HOURS AGO. ETA AND GFS HINT AT SOME FORM OF BOUNDARY SETTING UP SOUTHWEST TO NORTHEAST OVER THE FORECAST AREA TO BECOME THE FOCUS FOR THE DEVELOPMENT OF SHOWERS AND THUNDERSTORMS. I WILL MENTION A CHANCE OF SHOWERS AND THUNDERSTORMS...MAINLY THIS AFTERNOON. COLD FRONT IS PROGGED TO MOVE SOUTHEAST ACROSS THE AREA TONIGHT AND BECOME THE IMPETUS FOR THE DEVELOPMENT OF SHOWERS AND THUNDERSTORMS. MODELS STILL ADVANCE WAVES ALONG THE FRONT ACROSS THE AREA ON SATURDAY. HOWEVER...THIS MODEL RUN INDICATES THE FORECAST AREA SHOULD REMAIN UNDER THE INFLUENCE OF WARM AIR ADVECTION THROUGH SUNDAY MORNING. WILL NOT MAKE TOO MANY CHANGES IN TEMPERATURES THROUGH THE PERIOD. CURRENT FORECAST MAX AND MIN TEMPERATURES LOOK GOOD. && .LONG TERM (SAT NITE INTO NEXT WEEK) THE FRNT WL BRING RELIEF FROM THE WRM/HUMID CONDS WI SHWRS/TSTMS FROM LATE SAT AFTN THRU SUN. FNT PROG TO SWEEP ACRS THE STA DURG SUN. WL BRING AN END TO THE PCPN BY SUN EVENG AS HI PRES BLDS IN AND A CNG IN THE AMS. DRIER AND LESS HUMID FOR MON THRU THURS. && .AVIATION (06Z-06Z)... FOG AND HAZE LIFTING A BIT BUT WL MOSTLY LINGER THRU EARLY MORN HOURS BUT WITH CLOUDS/BREEZE WILL PROB NOT GET TOO DENSE. PATCHY SC ABT 40K IN WEAK ISENTROPIC LIFT OVR NW AND N CNTRL OH WL SPREAD NE EARLY THIS MORNING BUT SHUD LIFT OUT AFT DAYBREAK. COMPLEX OF TSTORMS WILL LIKELY LIFT NE ACROSS CENTRAL AND N GRTLKS ALTHOUGH A SOUTHERN COMPONENT COULD TRY AND WORK ITS WAY ESE ACROSS IND AND ILLINOIS. OUTLFOW BOUNDARY COULD DVLP OVR S MI AND ONTARIO THIS AFTERN AND WL HAVE TO WATCH FOR STORMS MOVG OR DVLPG ACROSS LERI AND WL USE TEMPO FOR YNG AND ERI AND VICINITY AT OTHER SITES. && .CLE WATCHES/WARNINGS/ADVISORIES... OH...NONE. PA...NONE. SHORT TERM...LOMBARDY LONG TERM...20 AVIATION...KOSARIK
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CLEVELAND OH 638 AM EDT FRI AUG 27 2004 OHZ003-006>014-017>023-027>033-036>038-047-089-PAZ001>003-281036- ASHLAND OH-ASHTABULA INLAND OH-ASHTABULA LAKESHORE OH-CRAWFORD PA- CRAWFORD OH-CUYAHOGA OH-ERIE OH-GEAUGA OH-HANCOCK OH-HOLMES OH- HURON OH-KNOX OH-LAKE OH-LORAIN OH-LUCAS OH-MAHONING OH-MARION OH- MEDINA OH-MORROW OH-NORTHERN ERIE PA-OTTAWA OH-PORTAGE OH- RICHLAND OH-SANDUSKY OH-SENECA OH-SOUTHERN ERIE PA-STARK OH- SUMMIT OH-TRUMBULL OH-WAYNE OH-WOOD OH-WYANDOT OH- INCLUDING THE CITIES OF...AKRON...ASHLAND...ASHTABULA... BOWLING GREEN...BUCYRUS...CANTON...CHARDON...CLEVELAND...ELYRIA... ERIE...FINDLAY...FOSTORIA...FREMONT...JEFFERSON...LORAIN... MANSFIELD...MARION...MEADVILLE...MEDINA...MILLERSBURG... MOUNT GILEAD...MOUNT VERNON...NORWALK...PAINESVILLE...PORT CLINTON... RAVENNA...SANDUSKY...TIFFIN...TOLEDO...UPPER SANDUSKY...WARREN... WOOSTER AND YOUNGSTOWN 638 AM EDT FRI AUG 27 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHERN OHIO AND A PORTION OF NORTHWEST PENNSYLVANIA. .DAY ONE...TODAY THERE IS A CHANCE FOR THUNDERSTORMS TODAY AND IT IS POSSIBLE THAT ISOLATED STORMS COULD REACH SEVERE LIMITS. THE ATMOSPHERE IS QUITE MOIST AND COULD BECOME UNSTABLE LATER THIS AFTERNOON AS DAY TIME HEATING OCCURS. .DAYS TWO THROUGH SEVEN... THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS SATURDAY AND SUNDAY. A COLD FRONT IS EXPECTED TO MOVE SOUTH ACROSS LAKE ERIE AND BECOME STATIONARY. WAVES OF LOW PRESSURE ARE EXPECTED TO MOVE NORTHEAST ALONG THE FRONT PRODUCING SHOWERS AND THUNDERSTORMS. NO SEVERE WEATHER IS EXPECTED BEYOND SUNDAY. .SPOTTER CALL TO ACTION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED LATER TODAY AND INTO THE WEEKEND. LOMBARDY
OHZ003-006>009-017>019-271845- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 138 PM EDT FRI AUG 27 2004 STRONG THUNDERSTORMS OVER WESTERN OHIO FROM NEAR MAUMEE BAY TO TOLEDO TO VAN WERT WERE BECOMING MORE ORGANIZED WITH HEAVY RAIN. THESE STORMS WERE MOVING NORTHEAST AT 25 MPH AND WILL BE ACCOMPANIED BY DANGEROUS LIGHTNING...HAIL...GUSTY WINDS AND DOWNPOURS HEAVY ENOUGH TO CAUSE FLOODING OF LOW LAND AREAS. IF THREATENING WEATHER APPROACHES...TAKE SHELTER IMMEDIATELY.
The Detroit radar (KDTX), 111 km away, was scanning. The volume nearest the first event began at 17:46 UTC.
4 thunderstorm wind, 2 hail. Local standard time, as filed.
Thunderstorm winds downed three large tree limbs. The roof of a theater in Toledo was also damaged by the winds.
Thunderstorm winds downed large tree limbs in the North Baltimore and Walbridge areas.
Thunderstorm winds downed two large tree limbs.
Penny size hail was observed.
Thunderstorm winds downed two trees.
Penny size hail was observed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Ohio in 2004Every state in 2004This day in weather historyWarnings in Ohio, August 2004
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: 5420585, 5420586, 5420584, 5420587, 5420588, 5420589.