Alert archive / Ohio / Tornado Warnings in 2020

Tornado Warning 6, NWS Cleveland, OH

September 7, 2020Ashland County, Knox County, Richland County, Ohio

NWS Cleveland, OH issued this tornado warning at Sep 7, 2020, 4:29 PM EDT for Ashland County, Knox County, Richland County, Ohio. It was in force for 31 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 7, 2020, 4:29 PM EDT (20:29 UTC)
Expired: Sep 7, 2020, 5:00 PM EDT
In force: 31 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Ashland County, OH, Knox County, OH, Richland County, OH

The radar

The Cleveland radar (KCLE), 104 km from the middle of the area, began a volume at 20:32 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.5 hours before the alert went out and 173 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1756 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 185 m²/s²
0-3 km storm-relative helicity: 195 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

145 
WFUS51 KCLE 072029
TORCLE
OHC005-083-139-072100-
/O.NEW.KCLE.TO.W.0006.200907T2029Z-200907T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Cleveland OH
429 PM EDT Mon Sep 7 2020

The National Weather Service in Cleveland has issued a

* Tornado Warning for...
  Southeastern Richland County in north central Ohio...
  South central Ashland County in north central Ohio...
  Northeastern Knox County in north central Ohio...

* Until 500 PM EDT.
    
* At 428 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Bellville, or 11 miles south of Mansfield, moving
  east at 35 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...
  Loudonville, Bellville, Butler, Perrysville and North Liberty. 

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 4056 8260 4066 8257 4070 8222 4049 8223
      4050 8236
TIME...MOT...LOC 2028Z 267DEG 28KT 4061 8248 

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

$$

Saunders

2 follow-up statements

925 
WWUS51 KCLE 072043
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
443 PM EDT Mon Sep 7 2020

OHC005-083-139-072100-
/O.CON.KCLE.TO.W.0006.000000T0000Z-200907T2100Z/
Richland OH-Ashland OH-Knox OH-
443 PM EDT Mon Sep 7 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM EDT FOR
SOUTHEASTERN RICHLAND...SOUTH CENTRAL ASHLAND AND NORTHEASTERN KNOX
COUNTIES...
    
At 442 PM EDT, a severe thunderstorm capable of producing a tornado
was located 8 miles southeast of Bellville, or 13 miles northeast of
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...
Loudonville, Butler and North Liberty. 

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 4053 8249 4064 8243 4063 8222 4049 8223
      4050 8236
TIME...MOT...LOC 2042Z 292DEG 22KT 4057 8237 

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

$$

Saunders

230 
WWUS51 KCLE 072059
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
459 PM EDT Mon Sep 7 2020

OHC005-083-139-072108-
/O.EXP.KCLE.TO.W.0006.000000T0000Z-200907T2100Z/
Richland OH-Ashland OH-Knox OH-
459 PM EDT Mon Sep 7 2020

...THE TORNADO WARNING FOR SOUTHEASTERN RICHLAND...SOUTH CENTRAL
ASHLAND AND NORTHEASTERN KNOX COUNTIES WILL EXPIRE AT 500 PM EDT...
    
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and 
a Severe Thunderstorm Warning remains in effect for southern 
Ashland, northeast Knox and all of Holmes County.

LAT...LON 4053 8249 4064 8243 4063 8222 4049 8223
      4050 8236
TIME...MOT...LOC 2058Z 267DEG 28KT 4058 8222 

$$

Saunders

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 7, 5:00 AM EDT	Special Marine Warning	CLE		90 min
Sep 7, 6:39 AM EDT	Special Weather Statement	CLE	Erie	51 min
Sep 7, 6:57 AM EDT	Special Weather Statement	CLE	Cuyahoga, Lorain	33 min
Sep 7, 7:52 AM EDT	Special Weather Statement	CLE	Cuyahoga, Erie, Geauga, Lake, Lorain	83 min
Sep 7, 7:58 AM EDT	Areal Flood Advisory	CLE	Cuyahoga, Erie, Geauga, Huron, Lake, Lorain and 5 more	4 hr
Sep 7, 8:26 AM EDT	Flash Flood Warning	CLE	Cuyahoga, Erie, Geauga, Huron, Lake, Lorain and 5 more	6 hr
Sep 7, 9:06 AM EDT	Special Weather Statement	CLE	Medina, Portage, Summit	54 min
Sep 7, 10:26 AM EDT	Areal Flood Advisory	CLE	Ashtabula, Geauga, Portage, Trumbull	4 hr
Sep 7, 11:26 AM EDT	Areal Flood Advisory	CLE	Lorain, Medina, Portage, Summit, Trumbull	5 hr
Sep 7, 11:33 AM EDT	River Flood Warning	CLE	Cuyahoga	17 hr
Sep 7, 12:39 PM EDT	Areal Flood Advisory	CLE	Mahoning, Portage, Stark, Summit	3 hr
Sep 7, 12:42 PM EDT	Areal Flood Advisory	CLE	Erie, Huron, Sandusky, Seneca	3 hr
Sep 7, 1:12 PM EDT	Flash Flood Warning	CLE	Mahoning	3 hr
Sep 7, 1:50 PM EDT	Flash Flood Warning	CLE	Lorain, Medina, Portage, Summit	4 hr
Sep 7, 1:59 PM EDT	Flash Flood Warning Considerable damage threat	CLE	Cuyahoga, Geauga, Lorain, Medina, Summit	4 hr
Sep 7, 2:05 PM EDT	Special Weather Statement	CLE	Knox	25 min
Sep 7, 2:40 PM EDT	Special Weather Statement	CLE	Holmes	35 min
Sep 7, 3:12 PM EDT	Special Weather Statement	CLE	Crawford	33 min
Sep 7, 3:45 PM EDT	Special Weather Statement	CLE	Ashland, Richland	30 min
Sep 7, 4:13 PM EDT	Areal Flood Advisory	CLE	Mahoning	3 hr
Sep 7, 4:14 PM EDT	Special Weather Statement	CLE	Marion	31 min
Sep 7, 4:22 PM EDT	Special Weather Statement	CLE	Holmes, Wayne	38 min
Sep 7, 4:54 PM EDT	Areal Flood Advisory	CLE	Ashland, Richland	3 hr
Sep 7, 4:57 PM EDT	Severe Thunderstorm Warning	CLE	Ashland, Holmes, Knox	48 min
Sep 7, 5:16 PM EDT	Severe Thunderstorm Warning	CLE	Knox, Morrow	59 min
Sep 7, 5:20 PM EDT	River Flood Warning	CLE	Lake	8 hr
Sep 7, 5:41 PM EDT	Areal Flood Advisory	CLE	Medina, Summit	2 hr
Sep 7, 5:44 PM EDT	Severe Thunderstorm Warning	CLE	Holmes	31 min
Sep 7, 5:48 PM EDT	Tornado Warning	CLE	Knox	30 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.