Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 16, NWS Cleveland, OH

June 21, 2021Cuyahoga County, Geauga County, Lake County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jun 21, 2021, 12:52 PM EDT for Cuyahoga County, Geauga County, Lake County, Ohio. It was in force for 34 min. 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 21, 2021, 12:52 PM EDT (16:52 UTC)
Expired: Jun 21, 2021, 1:26 PM EDT
In force: 34 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, Lake County, OH

The radar

The Cleveland radar (KCLE), 36 km from the middle of the area, began a volume at 16:52 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 21, 12:31 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 4.9 hours before the alert went out and 157 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: 931 J/kg
Mixed-layer CIN: -41 J/kg
Mixed-layer LCL: 988 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 260 m²/s²
0-3 km storm-relative helicity: 277 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 5.1

Open this sounding in Storm Lab

The text

As transmitted.

840 
WUUS51 KCLE 211652
SVRCLE
OHC035-055-085-211745-
/O.NEW.KCLE.SV.W.0016.210621T1652Z-210621T1745Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cleveland OH
1252 PM EDT Mon Jun 21 2021

The National Weather Service in Cleveland has issued a

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

* Until 145 PM EDT.

* At 1252 PM EDT, a severe thunderstorm was located over Cleveland,
  moving east at 45 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...
  Cleveland, Chardon, Parma, Lakewood, Euclid, Cleveland Heights,
  Strongsville, North Royalton, Solon, Twinsburg, Warrensville
  Heights, Macedonia, South Russell, Middlefield, Burton, Highland
  Hills, Chesterland, Garfield Heights, Shaker Heights and Maple
  Heights.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4135 8107 4134 8133 4135 8159 4134 8159
      4133 8183 4150 8183 4165 8113
TIME...MOT...LOC 1652Z 252DEG 39KT 4144 8167 

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

Jaszka

3 follow-up statements

663 
WWUS51 KCLE 211706
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
106 PM EDT Mon Jun 21 2021

OHC035-055-085-211745-
/O.CON.KCLE.SV.W.0016.000000T0000Z-210621T1745Z/
Geauga OH-Cuyahoga OH-Lake OH-
106 PM EDT Mon Jun 21 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 PM EDT
FOR GEAUGA...NORTHEASTERN CUYAHOGA AND SOUTH CENTRAL LAKE COUNTIES...

At 106 PM EDT, a severe thunderstorm was located near Highland Hills,
or 10 miles south of Willowick, moving east at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Cleveland, Chardon, Euclid, Cleveland Heights, Solon, Warrensville
Heights, South Russell, Middlefield, Burton, Highland Hills,
Chesterland, Garfield Heights, Shaker Heights, Maple Heights, South
Euclid, Mayfield Heights, East Cleveland, Lyndhurst, University
Heights and Bedford.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4137 8107 4135 8142 4141 8162 4154 8166
      4165 8113
TIME...MOT...LOC 1706Z 252DEG 39KT 4149 8147 

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

Jaszka

009 
WWUS51 KCLE 211718
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
118 PM EDT Mon Jun 21 2021

OHC035-211728-
/O.CAN.KCLE.SV.W.0016.000000T0000Z-210621T1745Z/
Cuyahoga OH-
118 PM EDT Mon Jun 21 2021

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

A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
northeastern Ohio.

LAT...LON 4137 8107 4138 8130 4159 8140 4165 8113
TIME...MOT...LOC 1718Z 252DEG 39KT 4153 8130 

$$

OHC055-085-211745-
/O.CON.KCLE.SV.W.0016.000000T0000Z-210621T1745Z/
Geauga OH-Lake OH-
118 PM EDT Mon Jun 21 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 PM EDT
FOR CENTRAL GEAUGA AND SOUTH CENTRAL LAKE COUNTIES...

At 118 PM EDT, a severe thunderstorm was located over Chesterland, or
near Chardon, moving east at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Chardon, South Russell, Middlefield, Burton, Chesterland, Willoughby
Hills, Kirtland, Claridon and Aquilla.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4137 8107 4138 8130 4159 8140 4165 8113
TIME...MOT...LOC 1718Z 252DEG 39KT 4153 8130 

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

Kahn

947 
WWUS51 KCLE 211726
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
126 PM EDT Mon Jun 21 2021

OHC055-085-211736-
/O.CAN.KCLE.SV.W.0016.000000T0000Z-210621T1745Z/
Geauga OH-Lake OH-
126 PM EDT Mon Jun 21 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL GEAUGA AND SOUTH
CENTRAL LAKE COUNTIES IS CANCELLED...
                
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 has been cancelled.  However gusty winds and
heavy rain are still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
northeastern Ohio.

LAT...LON 4137 8107 4138 8130 4159 8140 4165 8113
TIME...MOT...LOC 1722Z 252DEG 39KT 4156 8119 

$$

Jaszka

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 20, 8:59 PM EDT	Special Weather Statement	CLE	Lucas	16 min
Jun 20, 9:18 PM EDT	Special Marine Warning	CLE		70 min
Jun 20, 9:34 PM EDT	Special Weather Statement	CLE	Lucas	41 min
Jun 20, 10:02 PM EDT	Severe Thunderstorm Warning	CLE	Lucas, Wood	46 min
Jun 20, 10:44 PM EDT	Special Marine Warning	CLE		46 min
Jun 20, 10:54 PM EDT	Special Marine Warning	CLE		96 min
Jun 20, 11:03 PM EDT	Special Marine Warning	CLE		87 min
Jun 20, 11:52 PM EDT	Special Marine Warning	CLE		113 min
Jun 21, 12:18 AM EDT	Special Weather Statement	CLE	Lucas	42 min
Jun 21, 12:40 AM EDT	Special Weather Statement	CLE	Ottawa	50 min
Jun 21, 1:37 AM EDT	Special Marine Warning	CLE		113 min
Jun 21, 2:19 AM EDT	Special Marine Warning	CLE		116 min
Jun 21, 3:52 AM EDT	Severe Thunderstorm Warning	CLE	Lucas, Ottawa, Sandusky, Wood	68 min
Jun 21, 4:03 AM EDT	Special Marine Warning	CLE		86 min
Jun 21, 4:17 AM EDT	Special Weather Statement	CLE	Hancock, Wood	43 min
Jun 21, 4:57 AM EDT	Special Weather Statement	CLE	Erie, Hancock, Huron, Sandusky, Seneca, Wyandot	63 min
Jun 21, 5:05 AM EDT	Special Marine Warning	CLE		115 min
Jun 21, 5:17 AM EDT	Severe Thunderstorm Warning	CLE	Erie, Huron, Sandusky, Seneca	43 min
Jun 21, 5:38 AM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga, Lorain	67 min
Jun 21, 6:14 AM EDT	Special Marine Warning	CLE		2 hr
Jun 21, 6:26 AM EDT	Severe Thunderstorm Warning	CLE	Geauga, Lake	49 min
Jun 21, 6:29 AM EDT	Special Weather Statement	CLE	Ashland, Medina, Portage, Summit, Wayne	31 min
Jun 21, 6:43 AM EDT	Severe Thunderstorm Warning	CLE	Geauga, Portage, Summit	47 min
Jun 21, 6:51 AM EDT	Severe Thunderstorm Warning	CLE	Ashtabula, Trumbull	54 min
Jun 21, 7:02 AM EDT	Special Weather Statement	CLE	Stark	43 min
Jun 21, 7:31 AM EDT	Special Weather Statement	CLE	Mahoning	44 min
Jun 21, 9:52 AM EDT	Special Weather Statement	CLE	Stark	23 min
Jun 21, 10:12 AM EDT	Special Weather Statement	CLE	Mahoning	48 min
Jun 21, 11:47 AM EDT	Special Weather Statement	CLE	Cuyahoga	43 min
Jun 21, 11:51 AM EDT	Special Weather Statement	CLE	Ashland, Richland	39 min
Jun 21, 12:13 PM EDT	Special Weather Statement	CLE	Geauga, Lake	47 min
Jun 21, 12:17 PM EDT	Severe Thunderstorm Warning	CLE	Ashland, Holmes, Richland, Wayne	43 min
Jun 21, 12:43 PM EDT	Severe Thunderstorm Warning	CLE	Mahoning, Medina, Portage, Stark, Summit	47 min
Jun 21, 12:48 PM EDT	Severe Thunderstorm Warning	CLE	Ashtabula, Geauga, Trumbull	57 min
Jun 21, 1:09 PM EDT	Severe Thunderstorm Warning	CLE	Mahoning, Portage, Stark, Trumbull	54 min
Jun 21, 1:15 PM EDT	Severe Thunderstorm Warning	CLE	Ashtabula	60 min
Jun 21, 1:20 PM EDT	Areal Flood Advisory	CLE	Ashtabula	5 hr
Jun 21, 1:31 PM EDT	Severe Thunderstorm Warning	CLE	Stark	29 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.