Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 13, NWS Cleveland, OH

June 21, 20214 counties in Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jun 21, 2021, 12:17 PM EDT for 4 counties in Ohio. It was in force for 43 min. 1 report 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 21, 2021, 12:17 PM EDT (16:17 UTC)
Expired: Jun 21, 2021, 1:00 PM EDT
In force: 43 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Ashland County, OH, Holmes County, OH, Richland County, OH, Wayne County, OH

The radar

The Cleveland radar (KCLE), 92 km from the middle of the area, began a volume at 16:18 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 21, 12:40 PM EDT	TSTM WND DMG	5 Wnw Shreve, OH	TREE DOWN.

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, 4.3 hours before the alert went out and 180 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: 931 J/kg
Mixed-layer CIN: -41 J/kg
Mixed-layer LCL: 988 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 260 m²/s²
0-3 km storm-relative helicity: 277 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 5.1

Open this sounding in Storm Lab

The text

As transmitted.

783 
WUUS51 KCLE 211617
SVRCLE
OHC005-075-139-169-211700-
/O.NEW.KCLE.SV.W.0013.210621T1617Z-210621T1700Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cleveland OH
1217 PM EDT Mon Jun 21 2021

The National Weather Service in Cleveland has issued a

* Severe Thunderstorm Warning for...
  Southeastern Richland County in north central Ohio...
  Southern Ashland County in north central Ohio...
  Southwestern Wayne County in northeastern Ohio...
  Northwestern Holmes County in northeastern Ohio...

* Until 100 PM EDT.

* At 1217 PM EDT, a severe thunderstorm was located near Loudonville,
  or 11 miles southeast of Mansfield, moving east at 30 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to trees and power lines.

* Locations impacted include...
  Mansfield, Wooster, Millersburg, Ontario, Lexington, Loudonville,
  Bellville, Shreve, Hayesville, Holmesville, Nashville, Smithville,
  Butler, Perrysville, Lucas, Jeromesville, Fredericksburg, Mifflin,
  Mohicanville and Reedsburg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4056 8218 4057 8218 4056 8225 4059 8260
      4079 8258 4089 8185 4053 8184
TIME...MOT...LOC 1617Z 271DEG 27KT 4069 8233 

HAIL...<.75IN
WIND...60MPH
 
$$

Jaszka

2 follow-up statements

173 
WWUS51 KCLE 211633
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
1233 PM EDT Mon Jun 21 2021

OHC139-211643-
/O.CAN.KCLE.SV.W.0013.000000T0000Z-210621T1700Z/
Richland OH-
1233 PM EDT Mon Jun 21 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN RICHLAND COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
north central and northeastern Ohio.

LAT...LON 4056 8218 4057 8218 4057 8234 4073 8234
      4073 8236 4079 8236 4084 8185 4055 8184
TIME...MOT...LOC 1633Z 268DEG 35KT 4069 8218 

$$

OHC005-075-169-211700-
/O.CON.KCLE.SV.W.0013.000000T0000Z-210621T1700Z/
Ashland OH-Wayne OH-Holmes OH-
1233 PM EDT Mon Jun 21 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 PM EDT
FOR SOUTHERN ASHLAND...SOUTHWESTERN WAYNE AND NORTHWESTERN HOLMES
COUNTIES...

At 1233 PM EDT, a severe thunderstorm was located near Loudonville,
or 14 miles southeast of Ashland, moving east at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to trees and power lines.

Locations impacted include...
Wooster, Millersburg, Loudonville, Shreve, Hayesville, Holmesville,
Nashville, Perrysville, Jeromesville, Fredericksburg, Mifflin,
Mohicanville and Reedsburg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 4056 8218 4057 8218 4057 8234 4073 8234
      4073 8236 4079 8236 4084 8185 4055 8184
TIME...MOT...LOC 1633Z 268DEG 35KT 4069 8218 

HAIL...<.75IN
WIND...60MPH
 
$$

Jaszka

481 
WWUS51 KCLE 211653
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
1253 PM EDT Mon Jun 21 2021

OHC005-075-169-211703-
/O.EXP.KCLE.SV.W.0013.000000T0000Z-210621T1700Z/
Ashland OH-Wayne OH-Holmes OH-
1253 PM EDT Mon Jun 21 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN ASHLAND...
SOUTHWESTERN WAYNE AND NORTHWESTERN HOLMES COUNTIES WILL EXPIRE AT
100 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However gusty
winds and heavy rain are still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
north central and northeastern Ohio.

LAT...LON 4056 8218 4057 8218 4057 8234 4073 8234
      4073 8236 4079 8236 4084 8185 4055 8184
TIME...MOT...LOC 1653Z 271DEG 27KT 4069 8199 

$$

Jaszka

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 20, 8:59 PM EDT	Special Weather Statement	CLE	Lucas	16 min
Jun 20, 9:18 PM EDT	Special Marine Warning	CLE		70 min
Jun 20, 9:34 PM EDT	Special Weather Statement	CLE	Lucas	41 min
Jun 20, 10:02 PM EDT	Severe Thunderstorm Warning	CLE	Lucas, Wood	46 min
Jun 20, 10:44 PM EDT	Special Marine Warning	CLE		46 min
Jun 20, 10:54 PM EDT	Special Marine Warning	CLE		96 min
Jun 20, 11:03 PM EDT	Special Marine Warning	CLE		87 min
Jun 20, 11:52 PM EDT	Special Marine Warning	CLE		113 min
Jun 21, 12:18 AM EDT	Special Weather Statement	CLE	Lucas	42 min
Jun 21, 12:40 AM EDT	Special Weather Statement	CLE	Ottawa	50 min
Jun 21, 1:37 AM EDT	Special Marine Warning	CLE		113 min
Jun 21, 2:19 AM EDT	Special Marine Warning	CLE		116 min
Jun 21, 3:52 AM EDT	Severe Thunderstorm Warning	CLE	Lucas, Ottawa, Sandusky, Wood	68 min
Jun 21, 4:03 AM EDT	Special Marine Warning	CLE		86 min
Jun 21, 4:17 AM EDT	Special Weather Statement	CLE	Hancock, Wood	43 min
Jun 21, 4:57 AM EDT	Special Weather Statement	CLE	Erie, Hancock, Huron, Sandusky, Seneca, Wyandot	63 min
Jun 21, 5:05 AM EDT	Special Marine Warning	CLE		115 min
Jun 21, 5:17 AM EDT	Severe Thunderstorm Warning	CLE	Erie, Huron, Sandusky, Seneca	43 min
Jun 21, 5:38 AM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga, Lorain	67 min
Jun 21, 6:14 AM EDT	Special Marine Warning	CLE		2 hr
Jun 21, 6:26 AM EDT	Severe Thunderstorm Warning	CLE	Geauga, Lake	49 min
Jun 21, 6:29 AM EDT	Special Weather Statement	CLE	Ashland, Medina, Portage, Summit, Wayne	31 min
Jun 21, 6:43 AM EDT	Severe Thunderstorm Warning	CLE	Geauga, Portage, Summit	47 min
Jun 21, 6:51 AM EDT	Severe Thunderstorm Warning	CLE	Ashtabula, Trumbull	54 min
Jun 21, 7:02 AM EDT	Special Weather Statement	CLE	Stark	43 min
Jun 21, 7:31 AM EDT	Special Weather Statement	CLE	Mahoning	44 min
Jun 21, 9:52 AM EDT	Special Weather Statement	CLE	Stark	23 min
Jun 21, 10:12 AM EDT	Special Weather Statement	CLE	Mahoning	48 min
Jun 21, 11:47 AM EDT	Special Weather Statement	CLE	Cuyahoga	43 min
Jun 21, 11:51 AM EDT	Special Weather Statement	CLE	Ashland, Richland	39 min
Jun 21, 12:13 PM EDT	Special Weather Statement	CLE	Geauga, Lake	47 min
Jun 21, 12:43 PM EDT	Severe Thunderstorm Warning	CLE	Mahoning, Medina, Portage, Stark, Summit	47 min
Jun 21, 12:48 PM EDT	Severe Thunderstorm Warning	CLE	Ashtabula, Geauga, Trumbull	57 min
Jun 21, 12:52 PM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga, Geauga, Lake	34 min
Jun 21, 1:09 PM EDT	Severe Thunderstorm Warning	CLE	Mahoning, Portage, Stark, Trumbull	54 min
Jun 21, 1:15 PM EDT	Severe Thunderstorm Warning	CLE	Ashtabula	60 min
Jun 21, 1:20 PM EDT	Areal Flood Advisory	CLE	Ashtabula	5 hr
Jun 21, 1:31 PM EDT	Severe Thunderstorm Warning	CLE	Stark	29 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2021 Every severe thunderstorm warning 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.