Alert archive / Ohio / Flash Flood Warnings in 2021

Flash Flood Warning 2, NWS Cleveland, OH

June 8, 2021Erie County, Lorain County, Ohio

NWS Cleveland, OH issued this flash flood warning at Jun 8, 2021, 2:38 PM EDT for Erie County, Lorain 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 8, 2021, 2:38 PM EDT (18:38 UTC)
Expired: Jun 8, 2021, 5:12 PM EDT
In force: 3 hr
Issued by: NWS Cleveland, OH
Area: Storm-based polygon
Flood severity: None

Counties Erie County, OH, Lorain County, OH

The radar

The Cleveland radar (KCLE), 38 km from the middle of the area, began a volume at 18:41 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

Detroit, MI (KDTX), launched 12:00Z, 6.6 hours before the alert went out and 172 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: 604 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 727 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: -16 m²/s²
0-3 km storm-relative helicity: -27 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

031 
WGUS51 KCLE 081838
FFWCLE
OHC043-093-082345-
/O.NEW.KCLE.FF.W.0002.210608T1838Z-210608T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Cleveland OH
238 PM EDT Tue Jun 8 2021

The National Weather Service in Cleveland has issued a

* Flash Flood Warning for...
  Erie County in north central Ohio...
  Northwestern Lorain County in north central Ohio...

* Until 745 PM EDT.

* At 238 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...
  Lorain, Elyria, Vermilion, Western Vermilion, Amherst, South 
  Amherst and Berlin Heights.

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.

Excessive runoff from heavy rainfall will cause flooding of small 
creeks and streams, urban areas, highways, streets and underpasses 
as well as other drainage areas and low lying spots.

&&

LAT...LON 4138 8249 4144 8237 4148 8215 4146 8215
      4146 8216 4145 8215 4138 8215 4132 8249
      4137 8250

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 2 HOURS 

$$

Maines

2 follow-up statements

423 
WGUS71 KCLE 082002
FFSCLE

Flash Flood Statement
National Weather Service Cleveland OH
402 PM EDT Tue Jun 8 2021

OHC043-093-082345-
/O.CON.KCLE.FF.W.0002.000000T0000Z-210608T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Erie OH-Lorain OH-
402 PM EDT Tue Jun 8 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 PM EDT THIS 
EVENING FOR ERIE AND NORTHWESTERN LORAIN COUNTIES...

At 402 PM EDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. Between 2 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...
  Lorain, Elyria, Vermilion, Western Vermilion, Amherst, South 
  Amherst and Berlin Heights.

Local law enforcement dispatch has reported areas of high water 
across the warned area in the last hour.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Excessive runoff from heavy rainfall will cause flooding of small 
creeks and streams, urban areas, highways, streets and underpasses 
as well as other drainage areas and low lying spots.

&&

LAT...LON 4138 8249 4144 8237 4148 8215 4146 8215
      4146 8216 4145 8215 4138 8215 4132 8249
      4137 8250

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1 INCH IN 3 HOURS 

$$

Maines

959 
WGUS71 KCLE 082112
FFSCLE

Flash Flood Statement
National Weather Service Cleveland OH
512 PM EDT Tue Jun 8 2021

OHC043-093-082122-
/O.CAN.KCLE.FF.W.0002.000000T0000Z-210608T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Erie OH-Lorain OH-
512 PM EDT Tue Jun 8 2021

...FLASH FLOOD WARNING IS CANCELLED FOR ERIE AND NORTHWESTERN LORAIN 
COUNTIES...

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

LAT...LON 4138 8249 4144 8237 4148 8215 4146 8215
      4146 8216 4145 8215 4138 8215 4132 8249
      4137 8250

$$

Sefcovic

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 7, 11:26 PM EDT	Areal Flood Advisory	CLE	Stark	4 hr
Jun 8, 12:45 PM EDT	Special Weather Statement	CLE	Wyandot	30 min
Jun 8, 1:39 PM EDT	Special Weather Statement	CLE	Wood	36 min
Jun 8, 1:46 PM EDT	Areal Flood Advisory	CLE	Cuyahoga, Lorain	103 min
Jun 8, 2:21 PM EDT	Areal Flood Advisory	CLE	Hancock	7 hr
Jun 8, 2:29 PM EDT	Areal Flood Advisory	CLE	Erie, Lorain	63 min
Jun 8, 2:31 PM EDT	Special Weather Statement	CLE	Hancock	29 min
Jun 8, 3:26 PM EDT	Areal Flood Advisory	CLE	Erie, Huron, Sandusky, Seneca	4 hr
Jun 8, 3:48 PM EDT	Special Weather Statement	CLE	Ashland	27 min
Jun 8, 4:13 PM EDT	Special Weather Statement	CLE	Geauga	32 min
Jun 8, 4:15 PM EDT	Special Weather Statement	CLE	Holmes	30 min
Jun 8, 4:43 PM EDT	Special Weather Statement	CLE	Holmes	32 min

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.