Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 108, NWS Cleveland, OH

September 22, 2021Portage County, Stark County, Summit County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Sep 22, 2021, 2:09 PM EDT for Portage County, Stark County, Summit County, Ohio. It was in force for 66 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, 2:09 PM EDT (18:09 UTC)
Expired
Sep 22, 2021, 3:15 PM EDT
In force
66 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Portage County, OH, Stark County, OH, Summit County, OH

The radar

The Cleveland radar (KCLE), 45 km from the middle of the area, began a volume at 18:10 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

Pittsburgh, PA (KPIT), launched 12:00Z, 6.2 hours before the alert went out and 143 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-pSkew-T log-p diagram, Pittsburgh, PA at 12:00Z on 2021-09-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 155 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 2021-09-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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.

929 
WUUS51 KCLE 221809
SVRCLE
OHC133-151-153-221915-
/O.NEW.KCLE.SV.W.0108.210922T1809Z-210922T1915Z/

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

The National Weather Service in Cleveland has issued a

* Severe Thunderstorm Warning for...
  Portage County in northeastern Ohio...
  Northwestern Stark County in northeastern Ohio...
  Summit County in northeastern Ohio...

* Until 315 PM EDT.

* At 209 PM EDT, a severe thunderstorm was located over Barberton, or
  near Akron, moving north at 30 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Akron, Ravenna, Cuyahoga Falls, Massillon, Kent, Barberton, Green,
  Solon, Hudson, Twinsburg, Tallmadge, North Canton, Streetsboro,
  Macedonia, Mogadore, Hartville, Garrettsville, Mantua, Stow and
  Broadview Heights.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4091 8160 4093 8165 4099 8165 4099 8169
      4128 8169 4128 8157 4133 8159 4135 8159
      4135 8100 4094 8131 4081 8152
TIME...MOT...LOC 1809Z 202DEG 26KT 4100 8157 

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

$$

Kahn
3 follow-up statements
450 
WWUS51 KCLE 221829
SVSCLE

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

OHC151-221839-
/O.CAN.KCLE.SV.W.0108.000000T0000Z-210922T1915Z/
Stark OH-
229 PM EDT Wed Sep 22 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN STARK COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has 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 4102 8150 4106 8168 4128 8157 4129 8157
      4135 8159 4135 8100 4099 8127 4099 8142
TIME...MOT...LOC 1829Z 202DEG 26KT 4114 8150 

$$

OHC133-153-221915-
/O.CON.KCLE.SV.W.0108.000000T0000Z-210922T1915Z/
Portage OH-Summit OH-
229 PM EDT Wed Sep 22 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR PORTAGE AND SUMMIT COUNTIES...

At 229 PM EDT, a severe thunderstorm was located over Cuyahoga Falls,
or near Akron, moving north at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Akron, Ravenna, Cuyahoga Falls, Kent, Barberton, Solon, Hudson,
Twinsburg, Tallmadge, Streetsboro, Macedonia, Mogadore,
Garrettsville, Mantua, Stow, Aurora, Brecksville, Norton, Brimfield
and Fairlawn.

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 4102 8150 4106 8168 4128 8157 4129 8157
      4135 8159 4135 8100 4099 8127 4099 8142
TIME...MOT...LOC 1829Z 202DEG 26KT 4114 8150 

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

$$

Kahn
710 
WWUS51 KCLE 221847
SVSCLE

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

OHC133-153-221915-
/O.CON.KCLE.SV.W.0108.000000T0000Z-210922T1915Z/
Portage OH-Summit OH-
247 PM EDT Wed Sep 22 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR PORTAGE AND NORTHEASTERN SUMMIT COUNTIES...

At 247 PM EDT, a severe thunderstorm was located over Hudson, or 12
miles northwest of Ravenna, moving north at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Akron, Ravenna, Cuyahoga Falls, Kent, Hudson, Twinsburg, Tallmadge,
Streetsboro, Macedonia, Mogadore, Garrettsville, Mantua, Stow,
Aurora, Brimfield, Randolph, Munroe Falls, Reminderville, Lakemore
and Silver Lake.

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 4104 8145 4112 8153 4134 8148 4135 8100
      4099 8127 4099 8142
TIME...MOT...LOC 1847Z 202DEG 26KT 4126 8143 

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

$$

Kahn
899 
WWUS51 KCLE 221854
SVSCLE

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

OHC133-153-221915-
/O.CON.KCLE.SV.W.0108.000000T0000Z-210922T1915Z/
Portage OH-Summit OH-
254 PM EDT Wed Sep 22 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR PORTAGE AND EAST CENTRAL SUMMIT COUNTIES...

At 254 PM EDT, a severe thunderstorm was located over Twinsburg, or
13 miles northwest of Ravenna, moving north at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Ravenna, Kent, Hudson, Tallmadge, Streetsboro, Mogadore,
Garrettsville, Mantua, Stow, Aurora, Brimfield, Randolph,
Reminderville, Hiram, Brady Lake and Sugar Bush Knolls.

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 4134 8139 4135 8100 4099 8127 4099 8139
      4122 8143
TIME...MOT...LOC 1854Z 202DEG 26KT 4131 8140 

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.

IssuedProductOfficeCountiesLasted
Sep 22, 2:57 PM EDTAreal Flood AdvisoryCLECuyahoga, Summit3 hr
Sep 22, 2:59 PM EDTSevere Thunderstorm WarningCLEMahoning, Portage, Stark, Trumbull61 min
Sep 22, 3:10 PM EDTSevere Thunderstorm WarningCLEAshtabula, Geauga, Portage, Trumbull65 min
Sep 22, 3:58 PM EDTSevere Thunderstorm WarningCLEAshtabula, Trumbull47 min
Sep 22, 4:17 PM EDTTornado WarningCLEAshtabula28 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2021Every 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.