Alert archive / Ohio / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 71, NWS Cleveland, OH

June 28, 2012Ashtabula County, Trumbull County, Ohio; Crawford County, Pennsylvania

NWS Cleveland, OH issued this severe thunderstorm warning at Jun 28, 2012, 11:19 PM EDT for Ashtabula County, Trumbull County, Ohio; Crawford County, Pennsylvania. It was in force for 56 min. 8 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 28, 2012, 11:19 PM EDT (03:19 UTC)
Expired
Jun 29, 2012, 12:15 AM EDT
In force
56 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

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

The radar

The Pittsburgh radar (KPBZ), 115 km from the middle of the area, began a volume at 03:19 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
Jun 28, 11:20 PM EDTHAIL 1Linesville, PA
Jun 28, 11:20 PM EDTHAIL 1.25Linesville, PA
Jun 28, 11:28 PM EDTHAIL 1Conneaut Lake, PA
Jun 28, 11:30 PM EDTHAIL 0.88Meadville, PA
Jun 28, 11:30 PM EDTHAIL 1Meadville, PA
Jun 28, 11:35 PM EDTHAIL 1Meadville, PA
Jun 28, 11:45 PM EDTHAIL 0.88Kinsman, OH
Jun 28, 11:55 PM EDTHAIL 1E Meadville, PA

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, 3.3 hours before the alert went out and 130 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 2012-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 624 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 00:00Z on 2012-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 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
624 J/kg
Mixed-layer CIN
-472 J/kg
Mixed-layer LCL
2198 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
178 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

853 
WUUS51 KCLE 290319
SVRCLE
OHC007-155-PAC039-290415-
/O.NEW.KCLE.SV.W.0071.120629T0319Z-120629T0415Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
1119 PM EDT THU JUN 28 2012

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

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

* UNTIL 1215 AM EDT

* AT 1114 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
  ANDOVER...AND MOVING EAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MEADVILLE...
  TITUSVILLE...

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 4161 7963 4161 7982 4148 8001 4148 8051
      4140 8052 4142 8101 4154 8101 4184 8078
      4170 7960
TIME...MOT...LOC 0319Z 287DEG 30KT 4153 8053

$$

KIELTYKA
2 follow-up statements
067 
WWUS51 KCLE 290356
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1156 PM EDT THU JUN 28 2012

OHC007-290406-
/O.CAN.KCLE.SV.W.0071.000000T0000Z-120629T0415Z/
ASHTABULA OH-
1156 PM EDT THU JUN 28 2012

...THE SEVERE THUNDERSTORM WARNING FOR ASHTABULA COUNTY IS
CANCELLED...

LAT...LON 4161 7963 4161 7982 4148 8001 4148 8011
      4147 8013 4148 8051 4140 8051 4141 8070
      4150 8070 4150 8052 4164 8052 4170 7960
TIME...MOT...LOC 0356Z 302DEG 49KT 4159 7990 4133 8036

$$

OHC155-PAC039-290415-
/O.CON.KCLE.SV.W.0071.000000T0000Z-120629T0415Z/
TRUMBULL OH-CRAWFORD PA-
1156 PM EDT THU JUN 28 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 AM EDT
FOR NORTHEASTERN TRUMBULL COUNTY IN NORTHEAST OHIO...AND SOUTHERN
CRAWFORD COUNTY IN NORTHWEST PENNSYLVANIA...

AT 1154 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 12 MILES EAST OF MEADVILLE TO 13
MILES SOUTHEAST OF KINSMAN...MOVING SOUTHEAST AT 55 MPH.

LOCATIONS NEAR THE PATH OF SEVERE THUNDERSTORMS INCLUDE...TITUSVILLE.

LAT...LON 4161 7963 4161 7982 4148 8001 4148 8011
      4147 8013 4148 8051 4140 8051 4141 8070
      4150 8070 4150 8052 4164 8052 4170 7960
TIME...MOT...LOC 0356Z 302DEG 49KT 4159 7990 4133 8036

$$

JMAYERS
553 
WWUS51 KCLE 290407
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1207 AM EDT FRI JUN 29 2012

OHC155-290417-
/O.CAN.KCLE.SV.W.0071.000000T0000Z-120629T0415Z/
TRUMBULL OH-
1207 AM EDT FRI JUN 29 2012

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

LAT...LON 4161 7963 4161 7982 4148 8001 4148 8011
      4147 8013 4150 8052 4164 8052 4170 7960
TIME...MOT...LOC 0407Z 302DEG 49KT 4155 7977 4125 8019

$$

PAC039-290415-
/O.CON.KCLE.SV.W.0071.000000T0000Z-120629T0415Z/
CRAWFORD PA-
1207 AM EDT FRI JUN 29 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 AM EDT
FOR SOUTHERN CRAWFORD COUNTY IN NORTHWEST PENNSYLVANIA...

AT 1203 AM EDT...A LINE OF SEVERE THUNDERSTORMS WAS REPORTED CAPABLE
OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60
MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 9 MILES
SOUTHWEST OF TITUSVILLE TO 26 MILES SOUTH OF MEADVILLE...MOVING
SOUTHEAST AT 55 MPH.

LOCATIONS NEAR THE PATH OF SEVERE THUNDERSTORMS INCLUDE....

LAT...LON 4161 7963 4161 7982 4148 8001 4148 8011
      4147 8013 4150 8052 4164 8052 4170 7960
TIME...MOT...LOC 0407Z 302DEG 49KT 4155 7977 4125 8019

$$

JMAYERS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 12:05 AM EDTSevere Thunderstorm WarningCLEAshtabula55 min
Jun 29, 3:59 AM EDTHeat AdvisoryCLEAshland, Crawford, Cuyahoga, Erie, Hancock, Holmes and 19 more11 hr
Jun 29, 3:49 PM EDTSevere Thunderstorm WarningCLEHancock, Wood56 min
Jun 29, 4:19 PM EDTSevere Thunderstorm WarningCLEMarion, Wyandot56 min
Jun 29, 4:33 PM EDTSevere Thunderstorm WarningCLESeneca43 min
Jun 29, 4:40 PM EDTSevere Thunderstorm WarningCLEHancock16 min
Jun 29, 4:42 PM EDTSevere Thunderstorm WarningCLECrawford, Morrow50 min
Jun 29, 4:55 PM EDTSevere Thunderstorm WarningCLEKnox, Richland61 min
Jun 29, 5:08 PM EDTSevere Thunderstorm WarningCLEAshland55 min
Jun 29, 5:20 PM EDTSevere Thunderstorm WarningCLEHolmes56 min
Jun 28, 11:46 PM EDTSevere Thunderstorm WarningCLECrawford44 min
Jun 29, 12:34 AM EDTSevere Thunderstorm WarningCLECrawford, Erie26 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.