Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 3, NWS Cleveland, OH

June 20, 2021Cuyahoga County, Geauga County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jun 20, 2021, 3:20 PM EDT for Cuyahoga County, Geauga County, Ohio. It was in force for 40 min. 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: Jun 20, 2021, 3:20 PM EDT (19:20 UTC)
Expired: Jun 20, 2021, 4:00 PM EDT
In force: 40 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Cuyahoga County, OH, Geauga County, OH

The radar

The Cleveland radar (KCLE), 51 km from the middle of the area, began a volume at 19:21 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 20, 3:26 PM EDT	TSTM WND DMG	1 Nnw South Russell, OH	TREE DOWN ON POWERLINES. TIME ESTIMATED VIA RADAR.

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, 7.3 hours before the alert went out and 150 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: 1056 J/kg
Mixed-layer CIN: -27 J/kg
Mixed-layer LCL: 807 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 91 m²/s²
0-3 km storm-relative helicity: 128 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 3.2

Open this sounding in Storm Lab

The text

As transmitted.

819 
WUUS51 KCLE 201920
SVRCLE
OHC035-055-202000-
/O.NEW.KCLE.SV.W.0003.210620T1920Z-210620T2000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cleveland OH
320 PM EDT Sun Jun 20 2021

The National Weather Service in Cleveland has issued a

* Severe Thunderstorm Warning for...
  Geauga County in northeastern Ohio...
  East central Cuyahoga County in northeastern Ohio...

* Until 400 PM EDT.

* At 319 PM EDT, a severe thunderstorm was located over South
  Russell, or 11 miles southwest of Chardon, moving east at 25 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Minor damage to vehicles is possible. Expect damage to 
           trees and power lines.

* Locations impacted include...
  Chardon, Solon, Warrensville Heights, South Russell, Middlefield,
  Burton, Highland Hills, Chesterland, Mayfield Heights, Lyndhurst,
  Beachwood, Bedford Heights, Highland Heights, Pepper Pike, Parkman,
  Chagrin Falls, Huntsburg, Mayfield, Orange and Moreland Hills.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4136 8101 4136 8147 4144 8150 4154 8149
      4161 8101
TIME...MOT...LOC 1919Z 264DEG 22KT 4147 8136 

HAIL...1.00IN
WIND...60MPH
 
$$

Kahn

3 follow-up statements

417 
WWUS51 KCLE 201934
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
334 PM EDT Sun Jun 20 2021

OHC035-201944-
/O.CAN.KCLE.SV.W.0003.000000T0000Z-210620T2000Z/
Cuyahoga OH-
334 PM EDT Sun Jun 20 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL CUYAHOGA COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 4161 8101 4136 8101 4136 8139 4142 8139
      4142 8137 4144 8137 4145 8139 4155 8139
TIME...MOT...LOC 1934Z 264DEG 22KT 4148 8123 

$$

OHC055-202000-
/O.CON.KCLE.SV.W.0003.000000T0000Z-210620T2000Z/
Geauga OH-
334 PM EDT Sun Jun 20 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR GEAUGA COUNTY...

At 334 PM EDT, a severe thunderstorm was located near Burton, or 7
miles south of Chardon, moving east at 25 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to trees and power lines.

Locations impacted include...
Chardon, South Russell, Middlefield, Burton, Chesterland, Parkman,
Chagrin Falls, Huntsburg, Claridon, Bainbridge, Hunting Valley and
Aquilla.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4161 8101 4136 8101 4136 8139 4142 8139
      4142 8137 4144 8137 4145 8139 4155 8139
TIME...MOT...LOC 1934Z 264DEG 22KT 4148 8123 

HAIL...0.75IN
WIND...60MPH
 
$$

Kahn

871 
WWUS51 KCLE 201946
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
346 PM EDT Sun Jun 20 2021

OHC055-202000-
/O.CON.KCLE.SV.W.0003.000000T0000Z-210620T2000Z/
Geauga OH-
346 PM EDT Sun Jun 20 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR SOUTHEASTERN GEAUGA COUNTY...

At 346 PM EDT, a severe thunderstorm was located over Burton, or 7
miles southeast of Chardon, moving east at 25 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to trees and power lines.

Locations impacted include...
Chardon, Middlefield, Burton, Parkman, Huntsburg, Claridon and
Aquilla.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4161 8101 4136 8101 4139 8132 4145 8127
      4152 8122 4157 8125
TIME...MOT...LOC 1946Z 264DEG 22KT 4149 8113 

HAIL...<.75IN
WIND...60MPH
 
$$

Kahn

825 
WWUS51 KCLE 201951
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
351 PM EDT Sun Jun 20 2021

OHC055-202001-
/O.EXP.KCLE.SV.W.0003.000000T0000Z-210620T2000Z/
Geauga OH-
351 PM EDT Sun Jun 20 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN GEAUGA COUNTY
WILL EXPIRE AT 400 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However heavy rain
is still possible with this thunderstorm.

LAT...LON 4161 8101 4136 8101 4139 8132 4145 8127
      4152 8122 4157 8125
TIME...MOT...LOC 1951Z 264DEG 22KT 4149 8111 

$$

Kahn

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 19, 9:18 PM EDT	Severe Thunderstorm Warning	CLE	Mahoning	31 min
Jun 20, 2:23 PM EDT	Special Weather Statement	CLE	Geauga	52 min
Jun 20, 2:25 PM EDT	Special Weather Statement	CLE	Medina	50 min
Jun 20, 2:33 PM EDT	Special Weather Statement	CLE	Cuyahoga	42 min
Jun 20, 3:07 PM EDT	Special Weather Statement	CLE	Trumbull	38 min
Jun 20, 3:10 PM EDT	Special Weather Statement	CLE	Geauga	50 min
Jun 20, 3:41 PM EDT	Areal Flood Advisory	CLE	Cuyahoga, Geauga	3 hr
Jun 20, 3:42 PM EDT	Areal Flood Advisory	CLE	Ashtabula	3 hr
Jun 20, 3:51 PM EDT	Small Craft Advisory	CLE		38 hr
Jun 20, 3:52 PM EDT	Beach Hazards Statement	CLE	Ashtabula, Cuyahoga, Erie, Lake, Lorain, Lucas and 1 more	38 hr
Jun 20, 4:12 PM EDT	Special Weather Statement	CLE	Trumbull	48 min
Jun 20, 4:39 PM EDT	Special Weather Statement	CLE	Stark	51 min
Jun 20, 5:01 PM EDT	Special Weather Statement	CLE	Trumbull	44 min
Jun 20, 5:06 PM EDT	Severe Thunderstorm Warning	CLE	Trumbull	24 min
Jun 20, 5:09 PM EDT	Special Weather Statement	CLE	Summit	51 min
Jun 20, 5:51 PM EDT	Special Weather Statement	CLE	Mahoning	39 min
Jun 20, 5:59 PM EDT	Special Weather Statement	CLE	Stark	46 min
Jun 20, 7:03 PM EDT	Special Weather Statement	CLE	Trumbull	42 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2021 Every severe thunderstorm 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.