Alert archive / Ohio / Tornado Warnings in 2012

Tornado Warning 7, NWS Cleveland, OH

July 4, 2012Mahoning County, Portage County, Ohio

NWS Cleveland, OH issued this tornado warning at Jul 4, 2012, 12:45 AM EDT for Mahoning County, Portage County, Ohio. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 4, 2012, 12:45 AM EDT (04:45 UTC)
Expired
Jul 4, 2012, 1:30 AM EDT
In force
45 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

Counties Mahoning County, OH, Portage County, OH

The radar

The Pittsburgh radar (KPBZ), 81 km from the middle of the area, began a volume at 04:48 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.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 4.8 hours before the alert went out and 97 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 2012-07-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 389 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 00:00Z on 2012-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 133 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
389 J/kg
Mixed-layer CIN
-103 J/kg
Mixed-layer LCL
1500 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
133 m²/s²
0-3 km storm-relative helicity
172 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.1

Open this sounding in Storm Lab

The text

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

231 
WFUS51 KCLE 040445
TORCLE
OHC099-133-040530-
/O.NEW.KCLE.TO.W.0007.120704T0445Z-120704T0530Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
1245 AM EDT WED JUL 4 2012

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN MAHONING COUNTY IN NORTHEAST OHIO...
  SOUTHEASTERN PORTAGE COUNTY IN NORTHEAST OHIO...

* UNTIL 130 AM EDT

* AT 1240 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 7 MILES SOUTHWEST OF NEWTON FALLS...OR 12 MILES
  SOUTHEAST OF RAVENNA...AND MOVING SOUTHEAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CANFIELD AND BELOIT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. IF NO
BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR CLOSET.

PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE. 1-877-633-6772. WHEN YOU CAN DO SO SAFELY.

&&

LAT...LON 4105 8118 4118 8105 4115 8100 4113 8100
      4114 8096 4102 8071 4090 8080 4090 8082
      4093 8084 4093 8089 4090 8090 4090 8095
      4090 8099
TIME...MOT...LOC 0445Z 303DEG 16KT 4108 8101

$$

KOSARIK
2 follow-up statements
499 
WWUS51 KCLE 040518
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
118 AM EDT WED JUL 4 2012

OHC133-040527-
/O.CAN.KCLE.TO.W.0007.000000T0000Z-120704T0530Z/
PORTAGE OH-
118 AM EDT WED JUL 4 2012

...THE TORNADO WARNING FOR SOUTHEASTERN PORTAGE COUNTY IS
CANCELLED...

LAT...LON 4090 8099 4098 8109 4099 8108 4099 8100
      4103 8100 4102 8071 4090 8080 4090 8082
      4093 8084 4093 8089 4090 8090
TIME...MOT...LOC 0517Z 303DEG 16KT 4100 8085

$$

OHC099-040530-
/O.CON.KCLE.TO.W.0007.000000T0000Z-120704T0530Z/
MAHONING OH-
118 AM EDT WED JUL 4 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 130 AM EDT FOR
SOUTHWESTERN MAHONING COUNTY...

AT 114 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A POSSIBLE TORNADO. THIS POSSIBLE TORNADO WAS LOCATED 9
MILES NORTHEAST OF BELOIT...OR 7 MILES NORTH OF SALEM...MOVING
SOUTHEAST AT 20 MPH.

LOCATIONS NEAR THE PATH OF THE  POSSIBLE TORNADO INCLUDE...RURAL 
SOUTH CENTRAL MAHONING COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR A TORNADO MAY
ALREADY BE ON THE GROUND...OR MAY DEVELOP SHORTLY. IF YOU ARE IN THE 
PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE LOWEST LEVEL 
OF THE BUILDING. STAY AWAY FROM WINDOWS.

&&

LAT...LON 4090 8099 4098 8109 4099 8108 4099 8100
      4103 8100 4102 8071 4090 8080 4090 8082
      4093 8084 4093 8089 4090 8090
TIME...MOT...LOC 0517Z 303DEG 16KT 4100 8085

$$

KOSARIK
623 
WWUS51 KCLE 040530
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
130 AM EDT WED JUL 4 2012

OHC099-040540-
/O.EXP.KCLE.TO.W.0007.000000T0000Z-120704T0530Z/
MAHONING OH-
130 AM EDT WED JUL 4 2012

...THE TORNADO WARNING FOR SOUTHWESTERN MAHONING COUNTY HAS EXPIRED 
AT 130 AM EDT...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.

LAT...LON 4090 8099 4098 8109 4099 8108 4099 8100
      4103 8100 4102 8071 4090 8080 4090 8082
      4093 8084 4093 8089 4090 8090
TIME...MOT...LOC 0530Z 303DEG 16KT 4097 8079

$$

ABE

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 3, 8:00 PM EDTSevere Thunderstorm WarningCLEAshtabula45 min
Jul 3, 8:27 PM EDTSevere Thunderstorm WarningCLEAshtabula, Geauga, Lake63 min
Jul 3, 8:56 PM EDTSevere Thunderstorm WarningCLETrumbull64 min
Jul 3, 9:17 PM EDTAreal Flood AdvisoryCLEGeauga, Lake3 hr
Jul 3, 10:18 PM EDTSevere Thunderstorm WarningCLEMahoning, Portage, Stark, Summit, Trumbull57 min
Jul 3, 10:57 PM EDTTornado WarningCLEMahoning, Stark27 min
Jul 4, 12:03 AM EDTSevere Thunderstorm WarningCLEMahoning, Portage, Trumbull57 min
Jul 4, 12:12 AM EDTSevere Thunderstorm WarningCLEPortage, Stark, Summit63 min
Jul 4, 9:51 AM EDTSpecial Marine WarningCLE84 min
Jul 4, 9:53 AM EDTExcessive Heat WarningCLEHancock, Lucas, Wood11 hr
Jul 4, 6:34 PM EDTSpecial Marine WarningCLE116 min
Jul 4, 7:09 PM EDTSevere Thunderstorm WarningCLEErie, Lucas, Ottawa, Sandusky51 min
Jul 4, 7:57 PM EDTSevere Thunderstorm WarningCLECrawford, Hancock, Marion, Wood, Wyandot48 min

Nearby

Tornado Warnings in Ohio, 2012Every tornado warning in 2012Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.