Alert archive / Ohio / Tornado Warnings in 2020

Tornado Warning 4, NWS Cleveland, OH

June 26, 2020Knox County, Ohio

NWS Cleveland, OH issued this tornado warning at Jun 26, 2020, 6:11 PM EDT for Knox County, Ohio. It was in force for 23 min. 4 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: Jun 26, 2020, 6:11 PM EDT (22:11 UTC)
Expired: Jun 26, 2020, 6:34 PM EDT
In force: 23 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

County Knox County, OH

The radar

The Cleveland radar (KCLE), 133 km from the middle of the area, began a volume at 22:11 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.

What was reported inside it

Time	Report	Where	Remark
Jun 26, 6:11 PM EDT	TSTM WND DMG	1 Wnw Mount Vernon, OH	MANHOLE COVER BLOWN OFF.
Jun 26, 6:13 PM EDT	TSTM WND DMG	1 Ssw Mount Vernon, OH	MULTIPLE TREES DOWN.
Jun 26, 6:14 PM EDT	TSTM WND DMG	2 S Mount Vernon, OH	MULTIPLE TREES DOWN.
Jun 26, 6:29 PM EDT	TSTM WND DMG	3 N Martinsburg, OH	TREE DOWN ACROSS ROAD.

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

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.2 hours before the alert went out and 151 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: 23 J/kg
Mixed-layer CIN: -56 J/kg
Mixed-layer LCL: 1436 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 72 m²/s²
0-3 km storm-relative helicity: 136 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

868 
WFUS51 KCLE 262211
TORCLE
OHC083-262245-
/O.NEW.KCLE.TO.W.0004.200626T2211Z-200626T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Cleveland OH
611 PM EDT Fri Jun 26 2020

The National Weather Service in Cleveland has issued a

* Tornado Warning for...
  Southeastern Knox County in north central Ohio...

* Until 645 PM EDT.
    
* At 611 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Mount Vernon, moving southeast at 25 mph.

  HAZARD...Tornado and quarter size hail.

  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...
  Mount Vernon, Gambier, Utica, Martinsburg and Bladensburg. 

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 4024 8248 4027 8248 4027 8255 4031 8261
      4039 8257 4042 8249 4038 8219 4024 8220
TIME...MOT...LOC 2211Z 313DEG 21KT 4035 8251 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Saunders

2 follow-up statements

079 
WWUS51 KCLE 262223
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
623 PM EDT Fri Jun 26 2020

OHC083-262245-
/O.CON.KCLE.TO.W.0004.000000T0000Z-200626T2245Z/
Knox OH-
623 PM EDT Fri Jun 26 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM EDT FOR
SOUTHEASTERN KNOX COUNTY...
    
At 622 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Utica, or near Mount Vernon, moving southeast at 30
mph.

HAZARD...Tornado and quarter size hail.

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...
Utica, Martinsburg and Bladensburg. 

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 4024 8248 4027 8248 4027 8252 4033 8249
      4036 8241 4032 8219 4024 8220
TIME...MOT...LOC 2222Z 310DEG 25KT 4030 8243 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Saunders

023 
WWUS51 KCLE 262234
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
634 PM EDT Fri Jun 26 2020

OHC083-262244-
/O.CAN.KCLE.TO.W.0004.000000T0000Z-200626T2245Z/
Knox OH-
634 PM EDT Fri Jun 26 2020

...THE TORNADO WARNING FOR SOUTHEASTERN KNOX COUNTY IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.

LAT...LON 4024 8248 4027 8248 4027 8252 4033 8249
      4036 8241 4032 8219 4024 8220
TIME...MOT...LOC 2233Z 313DEG 21KT 4025 8236 

$$

Saunders

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 26, 3:43 PM EDT	Small Craft Advisory	CLE		20 hr
Jun 26, 3:44 PM EDT	Beach Hazards Statement	CLE	Ashtabula, Cuyahoga, Lake	20 hr
Jun 26, 5:50 PM EDT	Special Weather Statement	CLE	Marion, Morrow	55 min
Jun 26, 5:59 PM EDT	Severe Thunderstorm Warning	CLE	Marion	46 min
Jun 26, 6:02 PM EDT	Special Weather Statement	CLE	Knox	43 min
Jun 26, 6:43 PM EDT	Special Weather Statement	CLE	Morrow	47 min

Nearby

Tornado Warnings in Ohio, 2020 Every tornado warning in 2020 Tornadoes in 2020

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.