Alert archive / Ohio / Flash Flood Warnings in 2021

Flash Flood Warning 6, NWS Cleveland, OH

June 10, 2021Ashland County, Medina County, Ohio

NWS Cleveland, OH issued this flash flood warning at Jun 10, 2021, 6:06 PM EDT for Ashland County, Medina County, Ohio. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 10, 2021, 6:06 PM EDT (22:06 UTC)
Expired
Jun 10, 2021, 8:50 PM EDT
In force
3 hr
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Flood severity
None

Counties Ashland County, OH, Medina County, OH

The radar

The Cleveland radar (KCLE), 50 km from the middle of the area, began a volume at 22:05 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.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 10.1 hours before the alert went out and 184 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 12:00Z on 2021-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 18 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 12:00Z on 2021-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 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
18 J/kg
Mixed-layer CIN
-62 J/kg
Mixed-layer LCL
830 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
11 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

089 
WGUS51 KCLE 102206
FFWCLE
OHC005-103-110100-
/O.NEW.KCLE.FF.W.0006.210610T2206Z-210611T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Cleveland OH
606 PM EDT Thu Jun 10 2021

The National Weather Service in Cleveland has issued a

* Flash Flood Warning for...
  Northeastern Ashland County in north central Ohio...
  Southwestern Medina County in northeastern Ohio...

* Until 900 PM EDT.

* At 606 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1.5 and 2.5 inches of 
  rain have fallen. Flash flooding is ongoing or expected to begin 
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Doppler radar.

  IMPACT...Flooding of small creeks and streams, urban areas,
           highways, streets and underpasses as well as other
           drainage and low lying areas.

* Some locations that will experience flash flooding include...
  Lodi and Sullivan.

Additional rainfall amounts of 0.5 to 1.5 inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Move to higher ground now. Act quickly to protect your life.

&&

LAT...LON 4099 8213 4098 8213 4097 8213 4095 8220
      4104 8223 4106 8218 4106 8217 4107 8217
      4107 8209 4104 8200 4099 8206

FLASH FLOOD...RADAR INDICATED

$$

26
2 follow-up statements
786 
WGUS71 KCLE 102306
FFSCLE

Flash Flood Statement
National Weather Service Cleveland OH
706 PM EDT Thu Jun 10 2021

OHC005-103-110100-
/O.CON.KCLE.FF.W.0006.000000T0000Z-210611T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Ashland OH-Medina OH-
706 PM EDT Thu Jun 10 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 9 PM EDT THIS EVENING 
FOR NORTHEASTERN ASHLAND AND SOUTHWESTERN MEDINA COUNTIES...

At 706 PM EDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. Between 1.5 and 2.5 inches of rain have 
fallen. Flash flooding is ongoing or expected to begin shortly.

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

SOURCE...Doppler radar.

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

Some locations that will experience flash flooding include...
  Lodi and Sullivan.

Additional rainfall amounts of 0.5 to 1.5 inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Move to higher ground now. Act quickly to protect your life.

&&

LAT...LON 4099 8213 4098 8213 4097 8213 4095 8220
      4104 8223 4106 8218 4106 8217 4107 8217
      4107 8209 4104 8200 4099 8206

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

$$

26
230 
WGUS71 KCLE 110050
FFSCLE

Flash Flood Statement
National Weather Service Cleveland OH
850 PM EDT Thu Jun 10 2021

OHC005-103-110100-
/O.CAN.KCLE.FF.W.0006.000000T0000Z-210611T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Ashland OH-Medina OH-
850 PM EDT Thu Jun 10 2021

...FLASH FLOOD WARNING IS CANCELLED FOR NORTHEASTERN ASHLAND COUNTY 
AND REPLACED WITH A FLOOD ADVISORY FOR SOUTHWESTERN MEDINA COUNTY...

The heavy rain has ended and flooding is improving across the area. 
Therefore, the Flash Flood Warning has been replaced with a Flood 
Advisory for Medina County. Please continue to heed remaining road 
closures and see the latest Flood Advisory Statement for details.

LAT...LON 4099 8213 4098 8213 4097 8213 4095 8220
      4104 8223 4106 8218 4106 8217 4107 8217
      4107 8209 4104 8200 4099 8206

$$

Sefcovic

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 3:37 AM EDTBeach Hazards StatementCLEAshtabula, Cuyahoga, Erie, Lake, Lorain19 hr
Jun 10, 3:52 AM EDTSmall Craft AdvisoryCLE19 hr
Jun 10, 3:29 PM EDTAreal Flood AdvisoryCLESandusky, Seneca, Wood3 hr
Jun 10, 3:45 PM EDTAreal Flood AdvisoryCLEHuron3 hr
Jun 10, 5:27 PM EDTAreal Flood AdvisoryCLEAshland2 hr
Jun 10, 5:43 PM EDTAreal Flood AdvisoryCLERichland12 min
Jun 10, 5:53 PM EDTAreal Flood AdvisoryCLEAshland, Medina13 min
Jun 10, 5:55 PM EDTFlash Flood WarningCLERichland2 hr
Jun 10, 5:57 PM EDTAreal Flood AdvisoryCLECrawford, Marion, Morrow, Richland2 hr
Jun 10, 6:11 PM EDTAreal Flood AdvisoryCLEMarion46 min
Jun 10, 6:28 PM EDTAreal Flood AdvisoryCLEMedina, Summit25 min
Jun 10, 6:44 PM EDTAreal Flood AdvisoryCLEStark, Summit2 hr
Jun 10, 6:47 PM EDTAreal Flood AdvisoryCLEMarion2 hr
Jun 10, 6:53 PM EDTFlash Flood WarningCLEMedina119 min
Jun 10, 6:57 PM EDTFlash Flood WarningCLEMarion119 min
Jun 10, 7:13 PM EDTFlash Flood WarningCLESummit101 min
Jun 10, 7:56 PM EDTAreal Flood AdvisoryCLERichland3 hr

Nearby

Flash Flood Warnings in Ohio, 2021Every flash flood warning in 2021

Sources

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