Several severe thunderstorms developed across northern Ohio during the afternoon hours of the 2nd. A weak cold front was located across the central Great Lakes during the afternoon.
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 episode as NWS CLE wrote it up.
Several severe thunderstorms developed across northern Ohio during the afternoon hours of the 2nd. A weak cold front was located across the central Great Lakes during the afternoon. The warm and humid airmass ahead of this cold front allowed for a few severe thunderstorms to develop.
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 2, 2:00 PM EST, 28 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE CLEVELAND OH 300 PM EDT THU AUG 2 2007 .SYNOPSIS... HIGH PRESSURE CENTERED OVER THE MID ATLANTIC COAST WILL MOVE SOUTHEAST. A WEAK COLD FRONT WILL MOVE ACROSS THE AREA LATE TONIGHT AND EARLY FRIDAY. HIGH PRESSURE WILL BUILD IN BEHIND THE FRONT FRIDAY NIGHT AND SATURDAY. THE FRONT WILL BEGIN TO MOVE BACK ACROSS THE AREA SUNDAY AS A WARM FRONT. && .NEAR TERM /THROUGH TONIGHT/... SCATTERED THUNDERSTORMS DEVELOPED ACROSS THE AREA THIS AFTERNOON IN THE MOIST UNSTABLE AIR AHEAD OF A COLD. THOUGH MOST TSTMS WILL DIMINISH WITH LOSS OF DAYTIME HEATING WILL KEEP LOW CHANCE POPS GOING OVERNIGHT WITH FRONT MOVING THROUGH. THOUGHT MAV GUID WAS LITTLE LOW FEW LOCATIONS TONIGHT AND RAISED SLIGHTLY...GENERALLY MID AND UPPER 60S. && .SHORT TERM /FRIDAY THROUGH SATURDAY NIGHT/... MAIN FRONT MOVES THROUGH EARLY TOMORROW BUT TROF LINGERS BEHIND FRONT ALONG WITH MODERATE INSTABILITY. HAVE KEPT CHANCE POPS GOING FOR EASTERN AND CENTERAL INLAND AREAS...WITH SLIGHT CHANCE WEST. MAV GUID TEMPS LOOK TOO WARM...8H TEMPS COUPLE DEGREES LOWER THAN TODAY AND SHOULD SEE HIGHS UPPPER 80S OR AROUND 90. HIGH PRESSURE BUILDING IN FRIDAY NIGHT AND SATURDAY. SHOULD SEE DRY WEATHER FOR THE START OF THE WEEKEND...FEW DEGREES COOLER THAN TOMORROW FOR SATURDAY AND LITTLE LESS HUMID. && .LONG TERM /SUNDAY THROUGH THURSDAY/... AREA WILL REMAIN UNDER NORTHERN EXTENT OF UPPER LEVEL RIDGE THAT IS OVER S-CNTRL/SERN STATES. OVERALL THIS LEADS TO A VERY WARM PATTERN WITH ABOVE NORMAL TEMPERATAURES THOUGH NOT EXTREMELY HOT. INITIALLY WARM FRONT LIFTS N ACROSS THE AREA ON SUNDAY...FOLLOWED BY COLD FRONT MOVING THROUGH EARLY ON WEDNESDAY. WILL KEEP LOW CHANCE POPS FOR SHOWERS/THUNDERSTORMS IN THE FORECAST SUNDAY THROUGH WEDNESDAY...THOUGH CUTTING BACK TO SLGT CHANCE AT NIGHT MONDAY AND TUESDAY. FAIR THURSDAY WITH HIGH PRESSURE BUILDING IN BEHIND THE FRONT THAT MOVES THROUGH WEDNESDAY. && .AVIATION /18Z THURSDAY THROUGH TUESDAY/... AFTERNOON CU HAVE DEVELOPED AS EXPECTED AND WITH UPWARDS OF 2000 J/KG OF CAPE IN THE EASTERN HALF OF THE FORECAST AREA...EXPECTING SCATTERED SHOWERS AND THUNDERSTORMS TO DEVELOP SHORTLY. WILL GO WITH VCSH IN THE WEST AND VCTS IN THE EAST...NOT CONFIDENT ENOUGH TO PUT IN TEMPOS FOR ANY GIVEN TERMINAL DUE TO SCATTERED NATURE OF STORMS. STORMS SHOULD DISSIPATE DIURNALLY AROUND 00Z-02Z. CLE AND ERI SHOULD BE ON THE COOL SIDE OF THE LAKE BREEZE AND SHOULD STAY DRY THIS AFTERNOON. NEXT QUESTION IS ABOUT PRECIP CHANCES ALONG THE COLD FRONT EARLY FRIDAY MORNING. GFS CERTAINLY THE DRIER OF THE 2 MODELS BUT NAM/WRF SHOWING PRECIP BETWEEN 06Z- 12Z. PUT IN PROB30S FOR THE FRONTAL PASSAGE FOR THE EASTERN TERMINALS TO ACCOUNT FOR THIS POSSIBILITY...HOWEVER CONFIDENCE IS NOT HIGH THAT NAM/WRF SOLUTION WILL COME TO PASS SINCE THE FRONT IS DRY OVER NORTHERN MICHIGAN. HIGH PRESSURE SETTLES IN OVER THE AREA BY THE END OF THE FORECAST PERIOD AND WILL REMAIN IN PLACE THROUGH THE WEEKEND. NAM AND GFS SHOWING WARM FRONTAL PRECIP LATE SATURDAY BUT THINK THIS WILL STAY NORTH OF THE LAKE WITH MINIMAL IMPACT AT THE TERMINALS. SCATTERED AFTERNOON SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE MONDAY AND TUESDAY. && .MARINE... A DISSIPATING COLD FRONT WILL MOVE SOUTHEAST THROUGH LAKE ERIE TONIGHT INTO EARLY FRIDAY CAUSING A LIGHT SW FLOW TO GRADUALLY SHIFT TO NW AND THEN TO N AND TO NE INTO SAT AS A WEAK HIGH FOLLOWING THE FRONT MOVES OVER LAKE ONTARIO BY LATE SATURDAY. WINDS WILL CONTINUE TO VEER UNTIL BECOMING SOUTH ON SUN AND SW BY MONDAY. SPEEDS WILL INCREASE OUT OF THE SW MON AND TUE TO MAINLY A 10 TO 20 KT RANGE. ISOLATED TO SCATTERED THUNDERSTORMS ARE POSSIBLE WITH THE FRONT TONIGHT AND AGAIN SUN THROUGH TUE. && .CLE WATCHES/WARNINGS/ADVISORIES... OH...NONE. PA...NONE. MARINE...NONE. && SYNOPSIS...RANDEL NEAR TERM...RANDEL SHORT TERM...RANDEL LONG TERM...RANDEL AVIATION...LEINS MARINE...ADAMS
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CLEVELAND OH 614 AM EDT THU AUG 2 2007 LEZ142>149-162>169-OHZ003-006>014-017>023-027>033-036>038-047-089- PAZ001>003-031015- MAUMEE BAY TO RENO BEACH OHIO-RENO BEACH TO THE ISLANDS OHIO- THE ISLANDS TO VERMILION OHIO-VERMILION TO AVON POINT OHIO- AVON POINT TO WILLOWICK OHIO-WILLOWICK TO GENEVA-ON-THE LAKE OHIO- GENEVA-ON-THE-LAKE TO CONNEAUT OHIO-CONNEAUT OHIO TO RIPLEY NY- MAUMEE BAY TO RENO BEACH OHIO BEYOND 5 NM OF SHORE- RENO BEACH TO THE ISLANDS OHIO BEYOND 5 NM OF SHORE- THE ISLANDS TO VERMILION OHIO BEYOND 5 NM OF SHORE- VERMILION TO AVON POINT OHIO BEYOND 5 NM OF SHORE- AVON POINT TO WILLOWICK OHIO BEYOND 5 NM OF SHORE- WILLOWICK TO GENEVA-ON-THE-LAKE OHIO BEYOND 5 NM OF SHORE-GENEVA-ON- THE-LAKE TO CONNEAUT OHIO BEYOND 5 NM OF SHORE- CONNEAUT OHIO TO RIPLEY NY BEYOND 5 NM OF SHORE-LUCAS-WOOD-OTTAWA- SANDUSKY-ERIE OH-LORAIN-CUYAHOGA-LAKE-GEAUGA-ASHTABULA INLAND- HANCOCK-SENECA-HURON-MEDINA-SUMMIT-PORTAGE-TRUMBULL-WYANDOT-CRAWFORD- RICHLAND-ASHLAND-WAYNE-STARK-MAHONING-MARION-MORROW-HOLMES-KNOX- ASHTABULA LAKESHORE-NORTHERN ERIE-SOUTHERN ERIE-CRAWFORD PA- 614 AM EDT THU AUG 2 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR LAKE ERIE...NORTH CENTRAL OHIO...NORTHEAST OHIO...NORTHWEST OHIO AND NORTHWEST PENNSYLVANIA. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
The national radar mosaic for the moment the first event began.
3 thunderstorm wind, 1 hail, 1 flash flood. Local standard time, as filed.
A wind gust of 51 knots was measured by an automated observing system at Burke Lakefront Airport. No damage was reported.
A wind gust of 51 knots was measured by observing equipment at the Burke Lakefront Airport. A wind gust of 51 knots was measured less than a half hour earlier at the airport.
Quarter size hail was observed at the Burke Lakefront Airport.
During the afternoon hours of the 2nd, a severe thunderstorms moved over downtown Cleveland. This thunderstorm remained nearly stationary over the downtown area for around an hour, and dropped as much as four and a half inches of rain. Several rainfall reports of 3.0 to 4.5 inches were received from downtown Cleveland. This rain fell in less than 90 minutes. Local streets and highways throughout the downtown area quickly filled with water. Many roads, including Interstate 90 were impassable by flood waters as much as four feet deep. Many vehicles became stranded in the flood waters. Once the rain ended, the high water receded quickly. This was a very local event in Cuyahoga County as the southern part of the county remained mainly dry. In fact, Cleveland Hopkins Airport did not receive any rainfall from this thunderstorm.
Several trees were reported down.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Ohio in 2007Every state in 2007This day in weather historyWarnings in Ohio, August 2007
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: 53157, 53162, 53147, 53176, 53154.