Alert archive / Ohio / Tornado Warnings in 2021

Tornado Warning 8, NWS Cleveland, OH

October 21, 2021Medina County, Ohio

NWS Cleveland, OH issued this tornado warning at Oct 21, 2021, 4:21 PM EDT for Medina County, Ohio. It was in force for 24 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Oct 21, 2021, 4:21 PM EDT (20:21 UTC)
Expired
Oct 21, 2021, 4:45 PM EDT
In force
24 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Medina County, OH

The radar

The Cleveland radar (KCLE), 24 km from the middle of the area, began a volume at 20:21 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.

What was reported inside it

TimeReportWhereRemark
Oct 21, 4:36 PM EDTTSTM WND DMG3 Se Brunswick, OHDAMAGE TO ROOF AND TREES, EVIDENT SWIRLS IN GRASS/CROPS. TDS EVIDENT JUST EAST OF DAMAGE POINT. POSSIBLE TORNADO DAMAGE.
Oct 21, 4:36 PM EDTTORNADO3 Se Brunswick, OHNWS STORM SURVEY CONFIRMS AN EF-1 TORNADO IN HINCKLEY TOWNSHIP. TORNADO BEGAN NEAR TURNSTONE COURT AND MOVED EAST BEFORE ENDING IN HINCKLEY RESERVATION.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 8.4 hours before the alert went out and 171 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.

769 
WFUS51 KCLE 212021
TORCLE
OHC103-212045-
/O.NEW.KCLE.TO.W.0008.211021T2021Z-211021T2045Z/

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

The National Weather Service in Cleveland has issued a

* Tornado Warning for...
  Northeastern Medina County in northeastern Ohio...

* Until 445 PM EDT.
    
* At 420 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Medina, moving east at 20 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...
  Brunswick around 440 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Hinckley.

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 4118 8194 4121 8194 4128 8169 4116 8169
TIME...MOT...LOC 2020Z 266DEG 19KT 4120 8191 

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

$$

Maines
1 follow-up statement
852 
WWUS51 KCLE 212033
SVSCLE

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

OHC103-212045-
/O.CON.KCLE.TO.W.0008.000000T0000Z-211021T2045Z/
Medina OH-
433 PM EDT Thu Oct 21 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM EDT FOR
NORTHEASTERN MEDINA COUNTY...
    
At 432 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Brunswick, or near Medina, moving east at 25 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
northeastern Medina County, including the following locations...
Hinckley.

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 4118 8184 4122 8184 4128 8169 4116 8169
TIME...MOT...LOC 2032Z 264DEG 24KT 4121 8180 

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, 4:31 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, 5:07 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.