Alert archive / Ohio / Flash Flood Warnings in 2021

Flash Flood Warning 7, NWS Cleveland, OH

June 10, 2021Medina County, Ohio

NWS Cleveland, OH issued this flash flood warning at Jun 10, 2021, 6:53 PM EDT for Medina County, Ohio. It was in force for 119 min. 2 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: Jun 10, 2021, 6:53 PM EDT (22:53 UTC)
Expired: Jun 10, 2021, 8:52 PM EDT
In force: 119 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon
Flood severity: None

County Medina County, OH

The radar

The Cleveland radar (KCLE), 40 km from the middle of the area, began a volume at 22:54 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

Time	Report	Where	Remark
Jun 10, 7:00 PM EDT	FLASH FLOOD	Lodi, OH	NUMEROUS ROAD CLOSURES AROUND THE CITY OF LODI WITH SEVERAL REPORTS OF WATER IN BASEMENTS OF HOUSES.
Jun 10, 8:03 PM EDT	FLOOD	1 Sw Gloria Glens Park, OH	ISOLATED AREAS OF MINOR ROAD FLOODING.

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 12:00Z, 10.9 hours before the alert went out and 169 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

861 
WGUS51 KCLE 102253
FFWCLE
OHC103-110130-
/O.NEW.KCLE.FF.W.0007.210610T2253Z-210611T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

The National Weather Service in Cleveland has issued a

* Flash Flood Warning for...
  Southern Medina County in northeastern Ohio...

* Until 930 PM EDT.

* At 653 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1.5 and 3 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...
  Wadsworth, Lodi, Chippewa Lake, Seville, Westfield Center, Gloria 
  Glens Park, Chippewa-On-The-Lake and Briarwood Beach.

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 4101 8204 4104 8200 4106 8208 4109 8191
      4111 8169 4106 8169

FLASH FLOOD...RADAR INDICATED

$$

26

1 follow-up statement

116 
WGUS71 KCLE 110052
FFSCLE

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

OHC103-110102-
/O.CAN.KCLE.FF.W.0007.000000T0000Z-210611T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Medina OH-
852 PM EDT Thu Jun 10 2021

...FLASH FLOOD WARNING FOR SOUTHERN MEDINA COUNTY HAS BEEN REPLACED 
WITH A FLOOD ADVISORY...

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 4101 8204 4104 8200 4106 8208 4109 8191
      4111 8169 4106 8169

$$

Sefcovic

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 10, 3:37 AM EDT	Beach Hazards Statement	CLE	Ashtabula, Cuyahoga, Erie, Lake, Lorain	19 hr
Jun 10, 3:52 AM EDT	Small Craft Advisory	CLE		19 hr
Jun 10, 3:29 PM EDT	Areal Flood Advisory	CLE	Sandusky, Seneca, Wood	3 hr
Jun 10, 3:45 PM EDT	Areal Flood Advisory	CLE	Huron	3 hr
Jun 10, 5:27 PM EDT	Areal Flood Advisory	CLE	Ashland	2 hr
Jun 10, 5:43 PM EDT	Areal Flood Advisory	CLE	Richland	12 min
Jun 10, 5:53 PM EDT	Areal Flood Advisory	CLE	Ashland, Medina	13 min
Jun 10, 5:55 PM EDT	Flash Flood Warning	CLE	Richland	2 hr
Jun 10, 5:57 PM EDT	Areal Flood Advisory	CLE	Crawford, Marion, Morrow, Richland	2 hr
Jun 10, 6:06 PM EDT	Flash Flood Warning	CLE	Ashland, Medina	3 hr
Jun 10, 6:11 PM EDT	Areal Flood Advisory	CLE	Marion	46 min
Jun 10, 6:28 PM EDT	Areal Flood Advisory	CLE	Medina, Summit	25 min
Jun 10, 6:44 PM EDT	Areal Flood Advisory	CLE	Stark, Summit	2 hr
Jun 10, 6:47 PM EDT	Areal Flood Advisory	CLE	Marion	2 hr
Jun 10, 6:57 PM EDT	Flash Flood Warning	CLE	Marion	119 min
Jun 10, 7:13 PM EDT	Flash Flood Warning	CLE	Summit	101 min
Jun 10, 7:56 PM EDT	Areal Flood Advisory	CLE	Richland	3 hr

Nearby

Flash Flood Warnings in Ohio, 2021 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.