Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 110, NWS Cleveland, OH

September 22, 20214 counties in Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Sep 22, 2021, 3:10 PM EDT for 4 counties in Ohio. It was in force for 65 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: Sep 22, 2021, 3:10 PM EDT (19:10 UTC)
Expired: Sep 22, 2021, 4:15 PM EDT
In force: 65 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

Counties Ashtabula County, OH, Geauga County, OH, Portage County, OH, Trumbull County, OH

The radar

The Cleveland radar (KCLE), 63 km from the middle of the area, began a volume at 19:14 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
Sep 22, 2:23 PM EDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 7.2 hours before the alert went out and 140 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: 155 J/kg
Mixed-layer CIN: -120 J/kg
Mixed-layer LCL: 634 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 32 m²/s²
0-3 km storm-relative helicity: 88 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

As transmitted.

237 
WUUS51 KCLE 221910
SVRCLE
OHC007-055-133-155-222015-
/O.NEW.KCLE.SV.W.0110.210922T1910Z-210922T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cleveland OH
310 PM EDT Wed Sep 22 2021

The National Weather Service in Cleveland has issued a

* Severe Thunderstorm Warning for...
  Northern Portage County in northeastern Ohio...
  Northwestern Trumbull County in northeastern Ohio...
  Geauga County in northeastern Ohio...
  Southwestern Ashtabula County in northeastern Ohio...

* Until 415 PM EDT.

* At 310 PM EDT, severe thunderstorms were located along a line
  extending from near Streetsboro to near Ravenna, moving northeast
  at 35 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Ravenna, Chardon, Streetsboro, South Russell, Middlefield,
  Garrettsville, North Bloomfield, Orwell, Burton, Mantua, West
  Farmington, Bristolville, Chesterland, Aurora, Parkman, Huntsburg,
  Claridon, Windham, Montville and Hartsgrove.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM EDT for northeastern
Ohio.

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

A Tornado Watch remains in effect until 1000 PM EDT for northeastern
Ohio.

&&

LAT...LON 4151 8067 4109 8125 4116 8129 4123 8138
      4150 8136 4164 8122 4165 8099
TIME...MOT...LOC 1910Z 202DEG 31KT 4129 8135 4122 8126 4112 8123 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Kahn

2 follow-up statements

842 
WWUS51 KCLE 221937
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
337 PM EDT Wed Sep 22 2021

OHC007-055-133-155-222015-
/O.CON.KCLE.SV.W.0110.000000T0000Z-210922T2015Z/
Portage OH-Trumbull OH-Geauga OH-Ashtabula OH-
337 PM EDT Wed Sep 22 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR NORTHEASTERN PORTAGE...NORTHWESTERN TRUMBULL...GEAUGA AND
SOUTHWESTERN ASHTABULA COUNTIES...

At 337 PM EDT, severe thunderstorms were located along a line
extending from near Chesterland to near Burton to near Garrettsville,
moving north at 35 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Chardon, South Russell, Middlefield, Garrettsville, North Bloomfield,
Orwell, Burton, West Farmington, Chesterland, Parkman, Huntsburg,
Claridon, Montville, Hartsgrove, Hiram and Aquilla.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM EDT for northeastern
Ohio.

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

&&

LAT...LON 4151 8067 4121 8113 4141 8119 4142 8136
      4150 8136 4164 8122 4165 8099
TIME...MOT...LOC 1937Z 202DEG 31KT 4150 8124 4143 8115 4133 8112 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Kahn

598 
WWUS51 KCLE 222000
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
400 PM EDT Wed Sep 22 2021

OHC133-222010-
/O.CAN.KCLE.SV.W.0110.000000T0000Z-210922T2015Z/
Portage OH-
400 PM EDT Wed Sep 22 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN PORTAGE COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 1000 PM EDT for northeastern
Ohio.

LAT...LON 4150 8069 4135 8101 4135 8112 4146 8111
      4164 8113 4165 8099
TIME...MOT...LOC 2000Z 202DEG 31KT 4167 8115 4160 8106 4150 8103 

$$

OHC007-055-155-222015-
/O.CON.KCLE.SV.W.0110.000000T0000Z-210922T2015Z/
Trumbull OH-Geauga OH-Ashtabula OH-
400 PM EDT Wed Sep 22 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR NORTHWESTERN TRUMBULL...EASTERN GEAUGA AND SOUTHWESTERN ASHTABULA
COUNTIES...

At 400 PM EDT, severe thunderstorms were located along a line
extending from 6 miles northeast of Chardon to 9 miles northeast of
Burton to near Middlefield, moving north at 35 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Middlefield, North Bloomfield, Orwell, West Farmington, Parkman,
Huntsburg, Montville and Hartsgrove.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM EDT for northeastern
Ohio.

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

&&

LAT...LON 4150 8069 4135 8101 4135 8112 4146 8111
      4164 8113 4165 8099
TIME...MOT...LOC 2000Z 202DEG 31KT 4167 8115 4160 8106 4150 8103 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Kahn

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 22, 2:09 PM EDT	Severe Thunderstorm Warning	CLE	Portage, Stark, Summit	66 min
Sep 22, 2:57 PM EDT	Areal Flood Advisory	CLE	Cuyahoga, Summit	3 hr
Sep 22, 2:59 PM EDT	Severe Thunderstorm Warning	CLE	Mahoning, Portage, Stark, Trumbull	61 min
Sep 22, 3:58 PM EDT	Severe Thunderstorm Warning	CLE	Ashtabula, Trumbull	47 min
Sep 22, 4:17 PM EDT	Tornado Warning	CLE	Ashtabula	28 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.