Alert archive / Ohio / Tornado Warnings in 2021

Tornado Warning 10, NWS Cleveland, OH

October 21, 2021Cuyahoga County, Summit County, Ohio

NWS Cleveland, OH issued this tornado warning at Oct 21, 2021, 4:40 PM EDT for Cuyahoga County, Summit County, Ohio. It was in force for 35 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, 4:40 PM EDT (20:40 UTC)
Expired
Oct 21, 2021, 5:15 PM EDT
In force
35 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Cuyahoga County, OH, Summit County, OH

The radar

The Cleveland radar (KCLE), 24 km from the middle of the area, began a volume at 20:43 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, 8.7 hours before the alert went out and 161 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.

373 
WFUS51 KCLE 212040
TORCLE
OHC035-153-212115-
/O.NEW.KCLE.TO.W.0010.211021T2040Z-211021T2115Z/

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

The National Weather Service in Cleveland has issued a

* Tornado Warning for...
  South central Cuyahoga County in northeastern Ohio...
  Northwestern Summit County in northeastern Ohio...

* Until 515 PM EDT.
    
* At 440 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Brunswick, or 9 miles northeast of Medina, 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 tornadic thunderstorm will remain over mainly rural areas of
  south central Cuyahoga and northwestern Summit Counties, including
  the following locations... Peninsula, Richfield, Brecksville,
  Boston Heights, Walton Hills, Broadview Heights and Valley View.

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 4137 8158 4123 8150 4121 8169 4128 8169
      4128 8170
TIME...MOT...LOC 2040Z 254DEG 24KT 4122 8173 

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

$$

Maines
1 follow-up statement
683 
WWUS51 KCLE 212057
SVSCLE

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

OHC035-212106-
/O.CAN.KCLE.TO.W.0010.000000T0000Z-211021T2115Z/
Cuyahoga OH-
457 PM EDT Thu Oct 21 2021

...THE TORNADO WARNING FOR SOUTH CENTRAL CUYAHOGA 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 4128 8165 4128 8157 4130 8157 4131 8155
      4130 8154 4123 8150 4121 8166
TIME...MOT...LOC 2056Z 254DEG 24KT 4125 8159 

$$

OHC153-212115-
/O.CON.KCLE.TO.W.0010.000000T0000Z-211021T2115Z/
Summit OH-
457 PM EDT Thu Oct 21 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM EDT FOR
NORTHWESTERN SUMMIT COUNTY...
    
At 456 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Macedonia, or 12 miles north of 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.

Locations impacted include...
Brecksville, Richfield, Boston Heights and Peninsula. 

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 4128 8165 4128 8157 4130 8157 4131 8155
      4130 8154 4123 8150 4121 8166
TIME...MOT...LOC 2056Z 254DEG 24KT 4125 8159 

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

$$

Clark

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, 5:04 PM EDTTornado WarningCLEGeauga, Portage, Summit41 min
Oct 21, 5:07 PM EDTTornado WarningCLEPortage, Summit38 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.