Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 46, NWS Cleveland, OH

July 8, 2021Cuyahoga County, Geauga County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 8, 2021, 2:30 PM EDT for Cuyahoga County, Geauga County, Ohio. It was in force for 30 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
Jul 8, 2021, 2:30 PM EDT (18:30 UTC)
Expired
Jul 8, 2021, 3:00 PM EDT
In force
30 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Cuyahoga County, OH, Geauga County, OH

The radar

The Cleveland radar (KCLE), 56 km from the middle of the area, began a volume at 18:33 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

TimeReportWhereRemark
Jul 8, 2:39 PM EDTTSTM WND DMG3 Sw Bainbridge, OHTREE LIMB DOWN ON WIRES.

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, 6.5 hours before the alert went out and 156 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-pSkew-T log-p diagram, Pittsburgh, PA at 12:00Z on 2021-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 174 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 2021-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 132 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
174 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
757 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
132 m²/s²
0-3 km storm-relative helicity
107 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted.

142 
WUUS51 KCLE 081830
SVRCLE
OHC035-055-081900-
/O.NEW.KCLE.SV.W.0046.210708T1830Z-210708T1900Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cleveland OH
230 PM EDT Thu Jul 8 2021

The National Weather Service in Cleveland has issued a

* Severe Thunderstorm Warning for...
  Geauga County in northeastern Ohio...
  East central Cuyahoga County in northeastern Ohio...

* Until 300 PM EDT.

* At 229 PM EDT, a severe thunderstorm was located over Chesterland,
  or 9 miles southwest of Chardon, moving east at 35 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...
  Chardon, Solon, South Russell, Middlefield, Burton, Chesterland,
  Mayfield Heights, Highland Heights, Kirtland, Pepper Pike, Parkman,
  Chagrin Falls, Huntsburg, Mayfield, Moreland Hills, Claridon, Gates
  Mills, Montville, Bentleyville and Bainbridge.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4163 8101 4136 8100 4135 8140 4156 8148
      4158 8129 4162 8129
TIME...MOT...LOC 1829Z 264DEG 30KT 4149 8133 

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

Maines
2 follow-up statements
294 
WWUS51 KCLE 081843
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
243 PM EDT Thu Jul 8 2021

OHC035-081853-
/O.CAN.KCLE.SV.W.0046.000000T0000Z-210708T1900Z/
Cuyahoga OH-
243 PM EDT Thu Jul 8 2021

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

LAT...LON 4135 8136 4158 8132 4158 8129 4162 8129
      4163 8101 4136 8100
TIME...MOT...LOC 1843Z 265DEG 29KT 4148 8120 

$$

OHC055-081900-
/O.CON.KCLE.SV.W.0046.000000T0000Z-210708T1900Z/
Geauga OH-
243 PM EDT Thu Jul 8 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM EDT
FOR GEAUGA COUNTY...

At 243 PM EDT, a severe thunderstorm was located over Burton, or near
Chardon, moving east at 35 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Chardon, South Russell, Middlefield, Burton, Chesterland, Kirtland,
Parkman, Huntsburg, Claridon, Montville, Bainbridge and Aquilla.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4135 8136 4158 8132 4158 8129 4162 8129
      4163 8101 4136 8100
TIME...MOT...LOC 1843Z 265DEG 29KT 4148 8120 

HAIL...0.75IN
WIND...60MPH
 
$$

Maines
311 
WWUS51 KCLE 081900
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
300 PM EDT Thu Jul 8 2021

OHC055-081909-
/O.EXP.KCLE.SV.W.0046.000000T0000Z-210708T1900Z/
Geauga OH-
300 PM EDT Thu Jul 8 2021

...THE SEVERE THUNDERSTORM WARNING FOR GEAUGA COUNTY WILL EXPIRE AT
300 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 4135 8136 4158 8132 4158 8129 4162 8129
      4163 8101 4136 8100
TIME...MOT...LOC 1859Z 270DEG 30KT 4149 8105 

$$

Maines

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 8:13 PM EDTSpecial Weather StatementCLETrumbull47 min
Jul 7, 9:28 PM EDTSpecial Weather StatementCLEKnox, Marion, Morrow47 min
Jul 8, 12:26 PM EDTSpecial Weather StatementCLECrawford, Huron, Lorain49 min
Jul 8, 2:08 PM EDTSpecial Weather StatementCLECuyahoga, Geauga, Holmes, Medina, Summit, Wayne52 min
Jul 8, 2:17 PM EDTAreal Flood AdvisoryCLECuyahoga97 min
Jul 8, 2:57 PM EDTSpecial Weather StatementCLEGeauga, Holmes, Mahoning, Portage, Stark, Trumbull48 min
Jul 8, 3:11 PM EDTSevere Thunderstorm WarningCLEAshtabula, Geauga, Trumbull49 min
Jul 8, 3:20 PM EDTSevere Thunderstorm WarningCLEMahoning, Portage, Stark, Trumbull40 min
Jul 8, 3:36 PM EDTAreal Flood AdvisoryCLEStark68 min
Jul 8, 3:54 PM EDTSevere Thunderstorm WarningCLEMahoning, Trumbull37 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2021Every 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.