Alert archive / Ohio / Flash Flood Warnings in 2022

Flash Flood Warning 13, NWS Cleveland, OH

August 8, 2022Cuyahoga County, Lorain County, Ohio

NWS Cleveland, OH issued this flash flood warning at Aug 8, 2022, 8:20 PM EDT for Cuyahoga County, Lorain County, Ohio. It was in force for 3 hr. 1 report 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, 2022, 8:20 PM EDT (00:20 UTC)
Expired
Aug 8, 2022, 11:00 PM EDT
In force
3 hr
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Flood severity
None

Counties Cuyahoga County, OH, Lorain County, OH

The radar

The Cleveland radar (KCLE), 16 km from the middle of the area, began a volume at 00:20 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, 8:20 PM EDTFLOOD2 Se Lakewood, OH2 CARS STRANDED ON INTERSTATE UNDER OVERPASS WITH WATER UP TO HOOD. PERSONS EVACUATED. TIME APPROXIMATE.

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 174 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 2022-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1336 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 2022-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 103 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
1336 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
945 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
103 m²/s²
0-3 km storm-relative helicity
136 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

042 
WGUS51 KCLE 090020
FFWCLE
OHC035-093-090315-
/O.NEW.KCLE.FF.W.0013.220809T0020Z-220809T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Cleveland OH
820 PM EDT Mon Aug 8 2022

The National Weather Service in Cleveland has issued a

* Flash Flood Warning for...
  Northeastern Lorain County in north central Ohio...
  Cuyahoga County in northeastern Ohio...

* Until 1115 PM EDT.

* At 820 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 2 inches of rain 
  have fallen. Additional rainfall amounts of 0.5 to 1.5 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...
  Cleveland, Lorain, Elyria, Parma, Lakewood, Euclid, Cleveland 
  Heights, Strongsville, Westlake, North Royalton, North Ridgeville, 
  Solon, Avon Lake, Warrensville Heights, Macedonia, Grafton, 
  Highland Hills, North Olmsted, Garfield Heights and Shaker Heights.

Street flooding has already been reported in Cleveland Heights. 

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.

&&

LAT...LON 4151 8202 4152 8175 4159 8162 4158 8149
      4157 8149 4157 8139 4145 8139 4144 8138
      4142 8138 4142 8139 4135 8139 4135 8159
      4128 8160 4128 8196 4127 8197 4126 8215
      4140 8215

FLASH FLOOD...RADAR INDICATED

$$

Clark
1 follow-up statement
092 
WGUS71 KCLE 090300
FFSCLE

Flash Flood Statement
National Weather Service Cleveland OH
1100 PM EDT Mon Aug 8 2022

OHC035-093-090310-
/O.CAN.KCLE.FF.W.0013.000000T0000Z-220809T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cuyahoga OH-Lorain OH-
1100 PM EDT Mon Aug 8 2022

...FLASH FLOOD WARNING IS CANCELLED FOR NORTHEASTERN LORAIN AND 
CUYAHOGA COUNTIES...

Heavy rain has ended and flood waters are receding. Flooding is no 
longer expected to pose a threat. Please continue to heed remaining 
road closures.

LAT...LON 4151 8202 4152 8175 4159 8162 4158 8149
      4157 8149 4157 8139 4145 8139 4144 8138
      4142 8138 4142 8139 4135 8139 4135 8159
      4128 8160 4128 8196 4127 8197 4126 8215
      4140 8215

$$

Jaszka

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 8, 8:01 PM EDTSpecial Weather StatementCLEHuron44 min
Aug 8, 8:11 PM EDTSpecial Weather StatementCLECuyahoga, Geauga, Medina, Portage, Summit, Trumbull49 min
Aug 8, 8:28 PM EDTAreal Flood AdvisoryCLEHuron, Lorain, Medina6 hr
Aug 8, 8:34 PM EDTSevere Thunderstorm WarningCLEAshland, Lorain, Medina, Summit, Wayne41 min
Aug 8, 8:41 PM EDTAreal Flood AdvisoryCLEAshtabula, Geauga, Trumbull106 min
Aug 8, 8:58 PM EDTSpecial Weather StatementCLEMahoning, Medina, Portage, Stark, Summit, Trumbull47 min
Aug 8, 8:59 PM EDTSpecial Weather StatementCLETrumbull61 min
Aug 8, 11:09 PM EDTAreal Flood AdvisoryCLEAshland, Wayne3 hr

Nearby

Flash Flood Warnings in Ohio, 2022Every flash flood warning in 2022

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.