Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 120, NWS Cleveland, OH

December 11, 2021Portage County, Trumbull County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Dec 11, 2021, 6:39 AM EST for Portage County, Trumbull County, Ohio. It was in force for 36 min. 2 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
Dec 11, 2021, 6:39 AM EST (11:39 UTC)
Expired
Dec 11, 2021, 7:15 AM EST
In force
36 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Portage County, OH, Trumbull County, OH

The radar

The Cleveland radar (KCLE), 86 km from the middle of the area, began a volume at 11:41 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
Dec 11, 6:42 AM ESTTSTM WND DMGCortland, OHTREE DOWN. TIME ESTIMATED FROM RADAR.
Dec 11, 6:43 AM ESTTSTM WND DMG8 Nnw Orangeville, OHCORRECTS TIME FOR PREVIOUS TSTM WND DMG REPORT FROM 8 NNW ORANGEVILLE. TREE DOWN. TIME ESTIMATED FROM RADAR.

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 00:00Z, 11.7 hours before the alert went out and 117 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 00:00Z on 2021-12-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 2021-12-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 201 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
892 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
201 m²/s²
0-3 km storm-relative helicity
406 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

827 
WUUS51 KCLE 111139
SVRCLE
OHC133-155-111230-
/O.NEW.KCLE.SV.W.0120.211211T1139Z-211211T1230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cleveland OH
639 AM EST Sat Dec 11 2021

The National Weather Service in Cleveland has issued a

* Severe Thunderstorm Warning for...
  East central Portage County in northeastern Ohio...
  Trumbull County in northeastern Ohio...

* Until 730 AM EST.

* At 638 AM EST, a severe thunderstorm was located near Kinsman, or
  13 miles northeast of Warren, moving east at 40 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Warren, Niles, Hubbard, Cortland, Newton Falls, Lordstown, Kinsman,
  North Bloomfield, West Farmington, Vienna Center, Hilltop,
  Bristolville, Leavittsburg, Girard, Vienna, McDonald, Mecca,
  Windham, Johnston and Orangeville.

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 4116 8115 4150 8089 4150 8052 4116 8052
TIME...MOT...LOC 1138Z 258DEG 36KT 4141 8068 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Jaszka
2 follow-up statements
436 
WWUS51 KCLE 111204
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
704 AM EST Sat Dec 11 2021

OHC133-111214-
/O.CAN.KCLE.SV.W.0120.000000T0000Z-211211T1230Z/
Portage OH-
704 AM EST Sat Dec 11 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL PORTAGE COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

LAT...LON 4116 8100 4131 8100 4149 8056 4149 8052
      4116 8052
TIME...MOT...LOC 1204Z 262DEG 20KT 4138 8053 4122 8096 

$$

OHC155-111230-
/O.CON.KCLE.SV.W.0120.000000T0000Z-211211T1230Z/
Trumbull OH-
704 AM EST Sat Dec 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 AM EST
FOR TRUMBULL COUNTY...

At 704 AM EST, severe thunderstorms were located along a line 
extending from near Kinsman to near Newton Falls, moving east at 
30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Warren, Niles, Hubbard, Cortland, Newton Falls, Lordstown, Kinsman,
Vienna Center, Hilltop, Leavittsburg, Girard, Vienna, McDonald,
Mecca, Johnston, Orangeville, Yankee Lake, Churchill, Howland Center
and West Hill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 4116 8100 4131 8100 4149 8056 4149 8052
      4116 8052
TIME...MOT...LOC 1204Z 262DEG 20KT 4138 8053 4122 8096 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Jaszka
600 
WWUS51 KCLE 111215
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
715 AM EST Sat Dec 11 2021

OHC155-111225-
/O.CAN.KCLE.SV.W.0120.000000T0000Z-211211T1230Z/
Trumbull OH-
715 AM EST Sat Dec 11 2021

...THE SEVERE THUNDERSTORM WARNING FOR TRUMBULL COUNTY IS
CANCELLED...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been cancelled.

LAT...LON 4116 8100 4131 8100 4149 8056 4149 8052
      4116 8052
TIME...MOT...LOC 1210Z 258DEG 36KT 4139 8045 4123 8088 

$$

Jaszka

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 11, 2:34 AM ESTSpecial Weather StatementCLELucas, Wood56 min
Dec 11, 5:26 AM ESTSpecial Weather StatementCLECuyahoga, Geauga, Lake, Medina, Portage, Summit49 min
Dec 11, 5:48 AM ESTSpecial Weather StatementCLEAshland, Morrow, Richland42 min
Dec 11, 6:01 AM ESTSpecial Weather StatementCLETrumbull59 min
Dec 11, 6:12 AM ESTSevere Thunderstorm WarningCLEMahoning, Portage, Summit, Trumbull48 min
Dec 11, 8:38 AM ESTWind AdvisoryCLEKnox, Medina10 hr
Dec 11, 11:42 AM ESTAreal Flood AdvisoryCLEAshland, Medina, Portage, Richland, Summit, Wayne4 hr
Dec 11, 12:22 PM ESTSpecial Weather StatementCLEMahoning, Portage, Stark53 min
Dec 11, 12:32 PM ESTSpecial Weather StatementCLETrumbull58 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.