Alert archive / Ohio / Flash Flood Warnings in 2024

Flash Flood Warning 13, NWS Cleveland, OH

August 8, 2024Geauga County, Portage County, Summit County, Ohio

NWS Cleveland, OH issued this flash flood warning at Aug 8, 2024, 8:17 PM EDT for Geauga County, Portage County, Summit County, Ohio. It was in force for 5 hr. 7 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 8, 2024, 8:17 PM EDT (00:17 UTC)
Expired
Aug 9, 2024, 1:30 AM EDT
In force
5 hr
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Flood severity
None

Counties Geauga County, OH, Portage County, OH, Summit County, OH

The radar

The Cleveland radar (KCLE), 41 km from the middle of the area, began a volume at 00:16 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Aug 8, 9:03 PM EDTFLASH FLOOD1 Nw Bainbridge, OHYards flooded at bottom of Chagrin Road in Bainbridge. Tinkers Creek completely flooded over the banks.
Aug 8, 9:15 PM EDTFLASH FLOODHudson, OH-Delayed Report- Widespread street and basement flooding occurred in Hudson. Some roads that were closed include Hudson Park Dr in multiple locations, Pine, Alexandra, Huntington, Mayapple, East Haven and Deerpath Trails, and Stow Road.
Aug 8, 9:30 PM EDTFLASH FLOOD1 Sw Bainbridge, OHSeveral roads are flooded and impassable. Picture from social media shows the intersection of Aurora Lake Road and Trentstone Circle is impassable.
Aug 8, 9:30 PM EDTFLASH FLOOD1 Wsw Reminderville, OHSeveral roads around Twinsburg and Reminderville are flooded, impassable, and closed to traffic.
Aug 8, 9:30 PM EDTRAIN 6.752 Ene Hudson, OHMesonet station EW2441 Hudson.
Aug 8, 9:35 PM EDTRAIN 4.592 Sw Aurora, OHMesonet station GW1080 Aurora.
Aug 8, 9:40 PM EDTFLASH FLOOD1 Se Hudson, OHReport from mPING: Homes or buildings filled with water.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 0.3 hours before the alert went out and 149 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Pittsburgh, PA at 00:00Z on 2024-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 309 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 00:00Z on 2024-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
309 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
1061 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
9 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

396 
WGUS51 KCLE 090017
FFWCLE
OHC055-133-153-090530-
/O.NEW.KCLE.FF.W.0013.240809T0017Z-240809T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Cleveland OH
817 PM EDT Thu Aug 8 2024

The National Weather Service in Cleveland has issued a

* Flash Flood Warning for...
  Southwestern Geauga County in northeastern Ohio...
  Northwestern Portage County in northeastern Ohio...
  Northeastern Summit County in northeastern Ohio...

* Until 130 AM EDT.

* At 817 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 2 and 3.5 inches of 
  rain have fallen. Additional rainfall amounts of 1 to 2 inches are 
  possible in the warned area. Flash flooding is ongoing or expected 
  to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Solon, Hudson, Twinsburg, Streetsboro, South Russell, Aurora, 
  Reminderville and Bainbridge.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

&&

LAT...LON 4123 8146 4135 8143 4135 8139 4142 8139
      4142 8138 4142 8137 4143 8137 4142 8130
      4140 8129 4135 8131 4122 8137 4122 8141

FLASH FLOOD...RADAR INDICATED

$$

Zeigler
2 follow-up statements
671 
WGUS71 KCLE 090118
FFSCLE

Flash Flood Statement
National Weather Service Cleveland OH
918 PM EDT Thu Aug 8 2024

OHC055-133-153-090530-
/O.CON.KCLE.FF.W.0013.000000T0000Z-240809T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Geauga OH-Portage OH-Summit OH-
918 PM EDT Thu Aug 8 2024

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 130 AM EDT FRIDAY FOR 
SOUTHWESTERN GEAUGA, NORTHWESTERN PORTAGE AND NORTHEASTERN SUMMIT 
COUNTIES...

At 918 PM EDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. Between 3 and 5 inches of rain have 
fallen. Additional rainfall amounts of 1 to 2 inches are possible in 
the warned area. Flash flooding is ongoing or expected to begin 
shortly.

HAZARD...Life threatening flash flooding. Thunderstorms producing
         flash flooding.

SOURCE...Radar.

IMPACT...Life threatening flash flooding of creeks and streams,
         urban areas, highways, streets and underpasses.

Some locations that will experience flash flooding include...
  Solon, Hudson, Twinsburg, Streetsboro, South Russell, Aurora, 
  Reminderville and Bainbridge.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

Be aware of your surroundings and do not drive on flooded roads.

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

&&

LAT...LON 4123 8146 4135 8143 4135 8139 4142 8139
      4142 8138 4142 8137 4143 8137 4142 8130
      4140 8129 4135 8131 4122 8137 4122 8141

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

Zeigler
894 
WGUS71 KCLE 090523
FFSCLE

Flash Flood Statement
National Weather Service Cleveland OH
123 AM EDT Fri Aug 9 2024

OHC055-133-153-090533-
/O.EXP.KCLE.FF.W.0013.000000T0000Z-240809T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Geauga OH-Portage OH-Summit OH-
123 AM EDT Fri Aug 9 2024

...FLASH FLOOD WARNING WILL EXPIRE AT 130 AM EDT EARLY THIS MORNING 
FOR SOUTHWESTERN GEAUGA, NORTHWESTERN PORTAGE AND NORTHEASTERN 
SUMMIT COUNTIES...

Flood waters have receded. The heavy rain has ended. Flooding is no 
longer expected to pose a threat. Please continue to heed remaining 
road closures.

&&

LAT...LON 4123 8146 4135 8143 4135 8139 4142 8139
      4142 8138 4142 8137 4143 8137 4142 8130
      4140 8129 4135 8131 4122 8137 4122 8141

$$

Kahn

The office that day

Everything else NWS Cleveland, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 8, 8:15 PM EDTFlash Flood WarningCLESummit5 hr
Aug 8, 8:49 PM EDTFlash Flood WarningCLEHolmes, Medina, Summit, Wayne5 hr
Aug 8, 10:23 PM EDTRiver Flood WarningCLESummit111 min
Aug 8, 11:22 PM EDTAreal Flood AdvisoryCLEWayne3 hr
Aug 9, 1:15 AM EDTAreal Flood AdvisoryCLESummit3 hr
Aug 9, 4:01 AM EDTBeach Hazards StatementCLEAshtabula, Cuyahoga, Erie, Lake, Lorain72 hr
Aug 9, 4:02 AM EDTSmall Craft AdvisoryCLE72 hr

Nearby

Flash Flood Warnings in Ohio, 2024Every flash flood warning in 2024

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.