Alert archive / Ohio / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 37, NWS Cleveland, OH

May 7, 2012Trumbull County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at May 7, 2012, 7:03 PM EDT for Trumbull County, Ohio. It was in force for 57 min. 3 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
May 7, 2012, 7:03 PM EDT (23:03 UTC)
Expired
May 7, 2012, 8:00 PM EDT
In force
57 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

County Trumbull County, OH

The radar

The Cleveland radar (KCLE), 96 km from the middle of the area, began a volume at 23:03 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
May 7, 7:19 PM EDTHAIL 0.75Cortland, OH
May 7, 7:21 PM EDTHAIL 1Cortland, OH
May 7, 7:25 PM EDTHAIL 0.881 S Cortland, OH

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, 11.1 hours before the alert went out and 120 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 2012-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 180 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 12:00Z on 2012-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 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
180 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
805 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
74 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

523 
WUUS51 KCLE 072303
SVRCLE
OHC155-080000-
/O.NEW.KCLE.SV.W.0037.120507T2303Z-120508T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
703 PM EDT MON MAY 7 2012

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN TRUMBULL COUNTY IN NORTHEAST OHIO

* UNTIL 800 PM EDT

* AT 659 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
  BRISTOLVILLE...AND MOVING EAST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CORTLAND...
  KINSMAN...

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 4126 8094 4144 8096 4150 8055 4150 8052
      4147 8051 4127 8052
TIME...MOT...LOC 2303Z 264DEG 12KT 4136 8083

$$

KING
2 follow-up statements
503 
WWUS51 KCLE 072342
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
742 PM EDT MON MAY 7 2012

OHC155-080000-
/O.CON.KCLE.SV.W.0037.000000T0000Z-120508T0000Z/
TRUMBULL OH-
742 PM EDT MON MAY 7 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR EASTERN TRUMBULL COUNTY...

AT 734 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL. THIS STORM WAS LOCATED NEAR CORTLAND...OR 10 MILES NORTHEAST OF
WARREN...MOVING EAST AT 20 MPH.

NUMEROUS REPORTS OF HAIL HAVE BEEN REPORTED WITH THE STORM INCLUDING 
ONE INCH DIAMETER HAIL IN CORTLAND.

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...YANKEE
LAKE AND ORANGEVILLE.

LAT...LON 4127 8076 4141 8074 4144 8052 4136 8052
      4127 8052
TIME...MOT...LOC 2341Z 287DEG 16KT 4131 8061

$$

KING
685 
WWUS51 KCLE 072359
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
759 PM EDT MON MAY 7 2012

OHC155-080009-
/O.EXP.KCLE.SV.W.0037.000000T0000Z-120508T0000Z/
TRUMBULL OH-
759 PM EDT MON MAY 7 2012

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN TRUMBULL COUNTY
EXPIRES AT 800 PM EDT...

THE STORM WHICH PROMPTED THE WARNING NO LONGER APPEARED TO BE 
SEVERE. HOWEVER SMALL HAIL IS STILL POSSIBLE WITH THIS THUNDERSTORM 
AS IT MOVES EAST OUT OF THE COUNTY.

LAT...LON 4127 8076 4141 8074 4144 8052 4136 8052
      4127 8052
TIME...MOT...LOC 2359Z 287DEG 16KT 4129 8051

$$

KING

The office that day

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

IssuedProductOfficeCountiesLasted
May 7, 9:53 AM EDTAreal Flood AdvisoryCLEErie, Sandusky4 hr
May 7, 1:46 PM EDTSevere Thunderstorm WarningCLEStark41 min
May 7, 5:07 PM EDTSevere Thunderstorm WarningCLEMedina53 min
May 7, 5:24 PM EDTSevere Thunderstorm WarningCLEMarion, Wyandot66 min
May 7, 5:52 PM EDTSevere Thunderstorm WarningCLECrawford, Marion, Richland, Wyandot53 min
May 7, 6:42 PM EDTAreal Flood AdvisoryCLECrawford, Wyandot5 hr
May 7, 7:32 PM EDTSevere Thunderstorm WarningCLEAshtabula58 min

Nearby

Severe Thunderstorm Warnings in Ohio, 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.