Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 10, NWS Cleveland, OH

June 21, 2021Geauga County, Lake County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jun 21, 2021, 6:26 AM EDT for Geauga County, Lake County, Ohio. It was in force for 49 min. 6 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 21, 2021, 6:26 AM EDT (10:26 UTC)
Expired: Jun 21, 2021, 7:15 AM EDT
In force: 49 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Geauga County, OH, Lake County, OH

The radar

The Cleveland radar (KCLE), 56 km from the middle of the area, began a volume at 10:27 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, 6:27 AM EDT	TSTM WND DMG	Willoughby Hills, OH	FIRE CHIEF REPORTED NUMEROUS TREES DOWN IN TOWN. TIME ESTIMATED VIA RADAR.
Jun 21, 6:28 AM EDT	TSTM WND DMG	1 Sse Wickliffe, OH	PUBLIC REPORT OF TREES DOWN IN THE WICKLIFFE AREA. REPORT PASSED ONTO NWS FROM WEWS ON TWITTER.
Jun 21, 6:35 AM EDT	TSTM WND GST 43	2 Sw Mentor, OH	37 KNOT WIND GUST AT AWOS STATION KLNN WILLOUGHBY.
Jun 21, 6:36 AM EDT	TSTM WND DMG	Kirtland, OH	HEALTHY TREE DAMAGE. HEALTHY MAPLE TREES TOPPED. ALSO TWO HEALTHY MAPLES UPROOTED.
Jun 21, 6:40 AM EDT	TSTM WND DMG	2 Ssw Chardon, OH	CHARDON FIRE DEPT TWITTER ACCOUNT REPORTS TREES DOWN IN THE CHARDON AREA INCLUDING US ROUTE 6 AT CALICO AND US ROUTE 322 AT AQUILLA.
Jun 21, 6:42 AM EDT	TSTM WND DMG	1 N Chardon, OH	FIRE CHIEF REPORTED NUMEROUS TREES AND WIRES DOWN IN CHARDON, AT THE CORNER OF WINTERGREEN DRIVE AND RAVENNA ROAD. ONE TREE FELL ONTO HOUSE. TIME ESTIMATED VIA RADAR.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 21, 1:00 AM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 10.4 hours before the alert went out and 168 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: 1681 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 1290 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 49 m²/s²
0-3 km storm-relative helicity: 78 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 3.0

Open this sounding in Storm Lab

The text

As transmitted.

937 
WUUS51 KCLE 211026
SVRCLE
OHC055-085-211115-
/O.NEW.KCLE.SV.W.0010.210621T1026Z-210621T1115Z/

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

The National Weather Service in Cleveland has issued a

* Severe Thunderstorm Warning for...
  Geauga County in northeastern Ohio...
  Lake County in northeastern Ohio...

* Until 715 AM EDT.

* At 626 AM EDT, severe thunderstorms were located along a line
  extending from near Lakeline to Cleveland Heights to North
  Royalton, moving east at 60 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...
  Painesville, Willowick, Chardon, Fairport Harbor, Euclid, Mentor,
  Willoughby, Eastlake, South Russell, Madison, Middlefield, Perry,
  Burton, Timberlake, Lakeline, Chesterland, Wickliffe, Richmond
  Heights, Willoughby Hills and Highland Heights.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4186 8098 4185 8100 4152 8100 4137 8103
      4136 8139 4142 8139 4144 8137 4145 8139
      4156 8139 4157 8149 4163 8149 4162 8152
      4168 8152 4180 8131 4180 8126 4183 8119
      4188 8098
TIME...MOT...LOC 1026Z 256DEG 51KT 4170 8153 4151 8156 4131 8171 

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

Clark

2 follow-up statements

207 
WWUS51 KCLE 211054
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
654 AM EDT Mon Jun 21 2021

OHC055-085-211115-
/O.CON.KCLE.SV.W.0010.000000T0000Z-210621T1115Z/
Geauga OH-Lake OH-
654 AM EDT Mon Jun 21 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 AM EDT
FOR GEAUGA AND NORTHEASTERN LAKE COUNTIES...

At 654 AM EDT, severe thunderstorms were located along a line
extending from Madison to 6 miles east of Chardon to 6 miles
southeast of South Russell, moving east at 45 mph.

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

SOURCE...Radar indicated. At 625 AM, numerous trees were reported 
         down in Wickliffe. 

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

Locations impacted include...
Painesville, Chardon, South Russell, Madison, Middlefield, Perry,
Burton, Parkman, Huntsburg, Claridon, Montville, North Perry,
Bainbridge, Thompson, Aquilla and North Madison.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4188 8098 4186 8098 4185 8100 4150 8100
      4137 8103 4136 8139 4155 8127 4167 8126
      4183 8119
TIME...MOT...LOC 1054Z 257DEG 39KT 4177 8105 4159 8108 4139 8123 

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

Clark

918 
WWUS51 KCLE 211106
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
706 AM EDT Mon Jun 21 2021

OHC055-085-211115-
/O.EXP.KCLE.SV.W.0010.000000T0000Z-210621T1115Z/
Geauga OH-Lake OH-
706 AM EDT Mon Jun 21 2021

...THE SEVERE THUNDERSTORM WARNING FOR GEAUGA AND NORTHEASTERN LAKE
COUNTIES WILL EXPIRE AT 715 AM EDT...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 800 AM EDT for
northeastern Ohio.

LAT...LON 4188 8098 4186 8098 4185 8100 4150 8100
      4137 8103 4136 8139 4155 8127 4167 8126
      4183 8119
TIME...MOT...LOC 1105Z 256DEG 51KT 4177 8105 4159 8108 4139 8123 

$$

Clark

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, 6:29 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, 12:17 PM EDT	Severe Thunderstorm Warning	CLE	Ashland, Holmes, Richland, Wayne	43 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.