Alert archive / Ohio / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 184, NWS Cleveland, OH

September 22, 2012Crawford County, Pennsylvania; Ashtabula County, Geauga County, Trumbull County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Sep 22, 2012, 4:54 PM EDT for Crawford County, Pennsylvania; Ashtabula County, Geauga County, Trumbull County, Ohio. It was in force for 49 min. 7 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
Sep 22, 2012, 4:54 PM EDT (20:54 UTC)
Expired
Sep 22, 2012, 5:43 PM EDT
In force
49 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

Counties Ashtabula County, OH, Geauga County, OH, Trumbull County, OH, Crawford County, PA

The radar

The Pittsburgh radar (KPBZ), 120 km from the middle of the area, began a volume at 20:55 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
Sep 22, 5:00 PM EDTHAIL 1Springboro, PAHAIL LASTED 5 MINUTES.
Sep 22, 5:12 PM EDTTSTM WND DMG7 W Kinsman, OHTREE DOWN ACROSS THE ROAD IN GREENE TOWNSHIP.
Sep 22, 5:15 PM EDTTSTM WND DMG4 W Kinsman, OHA BARN DESTROYED. FOUR TO FIVE TELEPOHONE POLES KNOCKED DOWN AND TWO TREES DOWN AROUND RTE 193 AND RTE 87.
Sep 22, 5:32 PM EDTTSTM WND DMG2 E Jefferson, OHTREE DOWN IN JEFFERSON TOWNSHIP.
Sep 22, 5:35 PM EDTTSTM WND DMG5 E Jefferson, OHTREE DOWN IN DENMARK TOWNSHIP.
Sep 22, 5:40 PM EDTTSTM WND DMG2 W Meadville, PATWO TREES DOWN.
Sep 22, 5:52 PM EDTHAIL 0.75Conneaut Lake, PAPEA TO PENNY SIZE.

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, 8.9 hours before the alert went out and 134 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 2012-09-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 47 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 2012-09-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 155 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
47 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
534 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
155 m²/s²
0-3 km storm-relative helicity
176 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

234 
WUUS51 KCLE 222054
SVRCLE
OHC007-055-155-PAC039-222200-
/O.NEW.KCLE.SV.W.0184.120922T2054Z-120922T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
454 PM EDT SAT SEP 22 2012

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN ASHTABULA COUNTY IN NORTHEAST OHIO
  NORTHEASTERN GEAUGA COUNTY IN NORTHEAST OHIO
  NORTHERN TRUMBULL COUNTY IN NORTHEAST OHIO
  CRAWFORD COUNTY IN NORTHWEST PENNSYLVANIA

* UNTIL 600 PM EDT

* AT 453 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  ORWELL...AND MOVING EAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  JEFFERSON...
  MEADVILLE...
  ORWELL...
  KINSMAN...
  ANDOVER...
  LINESVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. SEEK SHELTER INSIDE NOW AND STAY AWAY FROM
WINDOWS.

&&

PLEASE REPORT HAIL AND STRONG WINDS TO THE NATIONAL WEATHER SERVICE
BY CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

LAT...LON 4162 7983 4149 8001 4147 8016 4149 8044
      4148 8052 4143 8052 4142 8103 4162 8110
      4169 8110 4182 8051 4185 8051 4185 7962
      4162 7961
TIME...MOT...LOC 2055Z 253DEG 30KT 4154 8092

$$

KIELTYKA
2 follow-up statements
582 
WWUS51 KCLE 222121
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
521 PM EDT SAT SEP 22 2012

OHC055-222131-
/O.CAN.KCLE.SV.W.0184.000000T0000Z-120922T2200Z/
GEAUGA OH-
521 PM EDT SAT SEP 22 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN GEAUGA COUNTY IS
CANCELLED...

LAT...LON 4162 7983 4149 8001 4149 8044 4149 8052
      4143 8052 4142 8097 4166 8099 4182 8052
      4182 8051 4185 7962 4162 7961
TIME...MOT...LOC 2121Z 270DEG 35KT 4153 8057

$$

OHC007-155-PAC039-222200-
/O.CON.KCLE.SV.W.0184.000000T0000Z-120922T2200Z/
TRUMBULL OH-CRAWFORD PA-ASHTABULA OH-
521 PM EDT SAT SEP 22 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR SOUTHERN ASHTABULA AND NORTHERN TRUMBULL COUNTIES IN NORTHEAST
OHIO...AND CRAWFORD COUNTY IN NORTHWEST PENNSYLVANIA...

AT 512 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED
7 MILES NORTHWEST OF KINSMAN...MOVING EAST AT 40 MPH.

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...
LINESVILLE AND MEADVILLE.

LAT...LON 4162 7983 4149 8001 4149 8044 4149 8052
      4143 8052 4142 8097 4166 8099 4182 8052
      4182 8051 4185 7962 4162 7961
TIME...MOT...LOC 2121Z 270DEG 35KT 4153 8057

$$

WILLARD
698 
WWUS51 KCLE 222143
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
543 PM EDT SAT SEP 22 2012

OHC007-155-PAC039-222154-
/O.CAN.KCLE.SV.W.0184.000000T0000Z-120922T2200Z/
TRUMBULL OH-CRAWFORD PA-ASHTABULA OH-
543 PM EDT SAT SEP 22 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN ASHTABULA AND
NORTHERN TRUMBULL COUNTIES IN NORTHEAST OHIO...AND CRAWFORD COUNTY IN
NORTHWEST PENNSYLVANIA IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND NO LONGER
APPEARED TO BE SEVERE.

LAT...LON 4162 7983 4149 8001 4149 8044 4149 8052
      4143 8052 4142 8097 4166 8099 4182 8052
      4182 8051 4185 7962 4162 7961
TIME...MOT...LOC 2144Z 270DEG 35KT 4153 8027

$$

WILLARD

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 22, 4:27 PM EDTSevere Thunderstorm WarningCLECrawford, Erie63 min
Sep 21, 10:07 PM EDTSmall Craft AdvisoryCLE47 hr
Sep 22, 5:43 PM EDTSevere Thunderstorm WarningCLEMahoning, Trumbull30 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2012Severe Thunderstorm Warnings in Pennsylvania, 2012Every severe thunderstorm warning in 2012

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.