Alert archive / Ohio / Tornado Warnings in 2021

Tornado Warning 12, NWS Cleveland, OH

October 21, 2021Portage County, Summit County, Ohio

NWS Cleveland, OH issued this tornado warning at Oct 21, 2021, 5:07 PM EDT for Portage County, Summit County, Ohio. It was in force for 38 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
Oct 21, 2021, 5:07 PM EDT (21:07 UTC)
Expired
Oct 21, 2021, 5:45 PM EDT
In force
38 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Portage County, OH, Summit County, OH

The radar

The Cleveland radar (KCLE), 53 km from the middle of the area, began a volume at 21:11 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, 9.1 hours before the alert went out and 133 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 2021-10-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2021-10-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 105 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1175 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
105 m²/s²
0-3 km storm-relative helicity
188 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

540 
WFUS51 KCLE 212107
TORCLE
OHC133-153-212145-
/O.NEW.KCLE.TO.W.0012.211021T2107Z-211021T2145Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Cleveland OH
507 PM EDT Thu Oct 21 2021

The National Weather Service in Cleveland has issued a

* Tornado Warning for...
  Southern Portage County in northeastern Ohio...
  East central Summit County in northeastern Ohio...

* Until 545 PM EDT.
    
* At 507 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Akron, moving east at 40 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Tallmadge and Mogadore around 515 PM EDT.
  Kent around 520 PM EDT.
  Ravenna around 530 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Brimfield, Atwater, Edinburg, Randolph, Munroe Falls, Deerfield,
Lakemore, Stow and Norton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4103 8158 4108 8161 4113 8156 4114 8149
      4116 8119 4115 8106 4102 8105
TIME...MOT...LOC 2107Z 256DEG 36KT 4108 8153 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Maines
4 follow-up statements
452 
WWUS51 KCLE 212117
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
517 PM EDT Thu Oct 21 2021

OHC133-153-212145-
/O.CON.KCLE.TO.W.0012.000000T0000Z-211021T2145Z/
Portage OH-Summit OH-
517 PM EDT Thu Oct 21 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM EDT FOR SOUTHERN
PORTAGE AND EAST CENTRAL SUMMIT COUNTIES...
    
At 516 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Tallmadge, or near Akron, moving east at 30 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Kent around 525 PM EDT.
  Ravenna around 540 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Brimfield, Edinburg, Munroe Falls and Stow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4106 8144 4113 8146 4114 8142 4116 8119
      4115 8106 4106 8105
TIME...MOT...LOC 2116Z 256DEG 27KT 4109 8142 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Maines
417 
WWUS51 KCLE 212125
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
525 PM EDT Thu Oct 21 2021

OHC153-212133-
/O.CAN.KCLE.TO.W.0012.000000T0000Z-211021T2145Z/
Summit OH-
525 PM EDT Thu Oct 21 2021

...THE TORNADO WARNING FOR EAST CENTRAL SUMMIT COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

LAT...LON 4107 8136 4112 8137 4115 8128 4116 8118
      4115 8112 4115 8107 4114 8106 4111 8105
      4107 8105
TIME...MOT...LOC 2123Z 262DEG 30KT 4110 8131 

$$

OHC133-212145-
/O.CON.KCLE.TO.W.0012.000000T0000Z-211021T2145Z/
Portage OH-
525 PM EDT Thu Oct 21 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM EDT FOR SOUTHERN
PORTAGE COUNTY...
    
At 523 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Kent, or near Ravenna, moving east at 35 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Ravenna around 535 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Edinburg and Brimfield.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4107 8136 4112 8137 4115 8128 4116 8118
      4115 8112 4115 8107 4114 8106 4111 8105
      4107 8105
TIME...MOT...LOC 2123Z 262DEG 30KT 4110 8131 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Maines
366 
WWUS51 KCLE 212137
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
537 PM EDT Thu Oct 21 2021

OHC133-212145-
/O.CON.KCLE.TO.W.0012.000000T0000Z-211021T2145Z/
Portage OH-
537 PM EDT Thu Oct 21 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM EDT FOR EAST
CENTRAL PORTAGE COUNTY...
    
At 537 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Ravenna, moving east at 45 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This tornadic thunderstorm will remain over mainly rural areas of
east central Portage County, including the following locations...
Edinburg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4107 8120 4114 8122 4115 8118 4115 8107
      4114 8106 4113 8106 4107 8105
TIME...MOT...LOC 2137Z 259DEG 38KT 4112 8114 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Maines
100 
WWUS51 KCLE 212140
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
540 PM EDT Thu Oct 21 2021

OHC133-212149-
/O.EXP.KCLE.TO.W.0012.000000T0000Z-211021T2145Z/
Portage OH-
540 PM EDT Thu Oct 21 2021

...THE TORNADO WARNING FOR EAST CENTRAL PORTAGE COUNTY WILL EXPIRE AT
545 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.

LAT...LON 4107 8120 4114 8122 4115 8118 4115 8107
      4114 8106 4113 8106 4107 8105
TIME...MOT...LOC 2139Z 256DEG 36KT 4112 8112 

$$

Maines

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 21, 4:04 AM EDTSmall Craft AdvisoryCLE28 hr
Oct 21, 6:19 AM EDTSpecial Weather StatementCLELucas26 min
Oct 21, 6:35 AM EDTSpecial Weather StatementCLEWood25 min
Oct 21, 7:22 AM EDTSpecial Weather StatementCLEWood23 min
Oct 21, 1:26 PM EDTSpecial Weather StatementCLEMahoning64 min
Oct 21, 3:59 PM EDTSpecial Weather StatementCLEKnox46 min
Oct 21, 4:08 PM EDTTornado WarningCLEAshland, Medina, Wayne52 min
Oct 21, 4:21 PM EDTTornado WarningCLEMedina24 min
Oct 21, 4:31 PM EDTTornado WarningCLEStark, Summit, Wayne44 min
Oct 21, 4:40 PM EDTTornado WarningCLECuyahoga, Summit35 min
Oct 21, 5:04 PM EDTTornado WarningCLEGeauga, Portage, Summit41 min
Oct 21, 5:10 PM EDTTornado WarningCLEStark, Summit35 min
Oct 21, 5:45 PM EDTTornado WarningCLEMahoning, Stark45 min
Oct 21, 5:51 PM EDTTornado WarningCLEMahoning, Portage, Trumbull39 min
Oct 21, 6:18 PM EDTTornado WarningCLETrumbull20 min
Oct 21, 6:22 PM EDTTornado WarningCLETrumbull23 min

Nearby

Tornado Warnings in Ohio, 2021Every tornado warning in 2021Tornadoes 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.