Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 28, NWS Cleveland, OH

June 29, 20214 counties in Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jun 29, 2021, 5:24 PM EDT for 4 counties in Ohio. It was in force for 51 min. 3 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 29, 2021, 5:24 PM EDT (21:24 UTC)
Expired: Jun 29, 2021, 6:15 PM EDT
In force: 51 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Ashland County, OH, Holmes County, OH, Knox County, OH, Wayne County, OH

The radar

The Cleveland radar (KCLE), 92 km from the middle of the area, began a volume at 21:28 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 29, 5:24 PM EDT	TSTM WND DMG	Loudonville, OH	TREE FELL BRINGING DOWN POWER LINES AND POLES.
Jun 29, 5:35 PM EDT	TSTM WND DMG	3 Ese Loudonville, OH	TREE DOWN ACROSS TR 451.
Jun 29, 5:44 PM EDT	TSTM WND DMG	3 W Glenmont, OH	TREE DOWN ACROSS CR 75.

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, 9.4 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: 805 J/kg
Mixed-layer CIN: -66 J/kg
Mixed-layer LCL: 1162 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 21 m²/s²
0-3 km storm-relative helicity: 42 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

746 
WUUS51 KCLE 292124
SVRCLE
OHC005-075-083-169-292215-
/O.NEW.KCLE.SV.W.0028.210629T2124Z-210629T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cleveland OH
524 PM EDT Tue Jun 29 2021

The National Weather Service in Cleveland has issued a

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

* Until 615 PM EDT.

* At 524 PM EDT, a severe thunderstorm was located over Loudonville,
  or 15 miles west of Millersburg, moving east at 15 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Minor damage to vehicles is possible. Expect damage to 
           trees and power lines.

* Locations impacted include...
  Wooster, Millersburg, Loudonville, Shreve, Holmesville, Glenmont,
  Nashville, Perrysville, Fredericksburg and Mohicanville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4049 8228 4067 8233 4084 8192 4055 8183
TIME...MOT...LOC 2124Z 252DEG 13KT 4061 8219 

HAIL...1.00IN
WIND...60MPH
 
$$

Kahn

2 follow-up statements

566 
WWUS51 KCLE 292152
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
552 PM EDT Tue Jun 29 2021

OHC005-083-292201-
/O.CAN.KCLE.SV.W.0028.000000T0000Z-210629T2215Z/
Ashland OH-Knox OH-
552 PM EDT Tue Jun 29 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ASHLAND AND
NORTHEASTERN KNOX COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 4057 8218 4057 8222 4067 8222 4067 8213
      4075 8213 4084 8192 4055 8183 4050 8218
TIME...MOT...LOC 2151Z 252DEG 13KT 4064 8206 

$$

OHC075-169-292215-
/O.CON.KCLE.SV.W.0028.000000T0000Z-210629T2215Z/
Wayne OH-Holmes OH-
552 PM EDT Tue Jun 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR SOUTHWESTERN WAYNE AND NORTHWESTERN HOLMES COUNTIES...

At 551 PM EDT, a severe thunderstorm was located near Shreve, or 9
miles northwest of Millersburg, moving east at 15 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Wooster, Millersburg, Loudonville, Shreve, Holmesville, Glenmont,
Nashville and Fredericksburg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4057 8218 4057 8222 4067 8222 4067 8213
      4075 8213 4084 8192 4055 8183 4050 8218
TIME...MOT...LOC 2151Z 252DEG 13KT 4064 8206 

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

Kahn

975 
WWUS51 KCLE 292205
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
605 PM EDT Tue Jun 29 2021

OHC075-169-292215-
/O.EXP.KCLE.SV.W.0028.000000T0000Z-210629T2215Z/
Wayne OH-Holmes OH-
605 PM EDT Tue Jun 29 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN WAYNE AND
NORTHWESTERN HOLMES COUNTIES WILL EXPIRE AT 615 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.

LAT...LON 4057 8218 4057 8222 4067 8222 4067 8213
      4075 8213 4084 8192 4055 8183 4050 8218
TIME...MOT...LOC 2205Z 252DEG 13KT 4066 8200 

$$

Kahn

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 29, 12:31 PM EDT	Special Weather Statement	CLE	Lake	44 min
Jun 29, 1:34 PM EDT	Special Weather Statement	CLE	Lake	41 min
Jun 29, 1:46 PM EDT	Severe Thunderstorm Warning	CLE	Ashtabula, Geauga, Lake	44 min
Jun 29, 1:58 PM EDT	Special Weather Statement	CLE	Ashtabula	47 min
Jun 29, 2:01 PM EDT	Special Weather Statement	CLE	Crawford	29 min
Jun 29, 2:11 PM EDT	Areal Flood Advisory	CLE	Geauga, Lake	3 hr
Jun 29, 2:18 PM EDT	Special Weather Statement	CLE	Marion	27 min
Jun 29, 2:30 PM EDT	Special Weather Statement	CLE	Lake	45 min
Jun 29, 2:47 PM EDT	Special Weather Statement	CLE	Erie	43 min
Jun 29, 2:51 PM EDT	Special Weather Statement	CLE	Crawford	24 min
Jun 29, 3:08 PM EDT	Special Weather Statement	CLE	Cuyahoga	52 min
Jun 29, 3:22 PM EDT	Special Weather Statement	CLE	Lorain	53 min
Jun 29, 3:27 PM EDT	Special Weather Statement	CLE	Crawford	48 min
Jun 29, 3:28 PM EDT	Special Marine Warning	CLE		2 hr
Jun 29, 3:29 PM EDT	Severe Thunderstorm Warning	CLE	Crawford, Huron, Richland, Seneca, Wyandot	46 min
Jun 29, 3:55 PM EDT	Severe Thunderstorm Warning	CLE	Lorain, Medina	50 min
Jun 29, 3:58 PM EDT	Severe Thunderstorm Warning	CLE	Crawford, Seneca, Wyandot	47 min
Jun 29, 4:06 PM EDT	Special Marine Warning	CLE		114 min
Jun 29, 4:10 PM EDT	Areal Flood Advisory	CLE	Crawford, Wyandot	3 hr
Jun 29, 4:14 PM EDT	Special Weather Statement	CLE	Morrow	46 min
Jun 29, 4:40 PM EDT	Areal Flood Advisory	CLE	Morrow	3 hr
Jun 29, 4:45 PM EDT	Special Weather Statement	CLE	Wood	45 min
Jun 29, 4:49 PM EDT	Special Weather Statement	CLE	Knox	41 min
Jun 29, 4:49 PM EDT	Special Weather Statement	CLE	Medina	41 min
Jun 29, 5:06 PM EDT	Severe Thunderstorm Warning	CLE	Lorain, Medina	39 min
Jun 29, 5:09 PM EDT	Special Weather Statement	CLE	Ashland, Knox	51 min
Jun 29, 5:28 PM EDT	Special Marine Warning	CLE		92 min
Jun 29, 5:35 PM EDT	Special Weather Statement	CLE	Wyandot	40 min
Jun 29, 5:42 PM EDT	Severe Thunderstorm Warning	CLE	Medina, Summit, Wayne	33 min
Jun 29, 6:10 PM EDT	Special Weather Statement	CLE	Sandusky	50 min
Jun 29, 6:13 PM EDT	Special Marine Warning	CLE		71 min
Jun 29, 6:36 PM EDT	Special Weather Statement	CLE	Mahoning, Portage, Trumbull	54 min
Jun 29, 6:36 PM EDT	Severe Thunderstorm Warning	CLE	Wyandot	39 min
Jun 29, 6:42 PM EDT	Severe Thunderstorm Warning	CLE	Mahoning, Portage, Trumbull	63 min
Jun 29, 6:43 PM EDT	Areal Flood Advisory	CLE	Wyandot	3 hr
Jun 29, 7:05 PM EDT	Areal Flood Advisory	CLE	Hancock, Ottawa, Sandusky, Seneca, Wood	3 hr
Jun 29, 7:05 PM EDT	Severe Thunderstorm Warning	CLE	Crawford, Huron, Richland, Seneca, Wyandot	27 min
Jun 29, 7:29 PM EDT	Flash Flood Warning	CLE	Trumbull	3 hr
Jun 29, 7:56 PM EDT	Special Marine Warning	CLE		94 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.