Alert archive / Ohio / Tornado Warnings in 2012

Tornado Warning 5, NWS Pittsburgh, PA

June 29, 2012Harrison County, Jefferson County, Ohio

NWS Pittsburgh, PA issued this tornado warning at Jun 29, 2012, 6:55 PM EDT for Harrison County, Jefferson County, Ohio. It was in force for 35 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
Jun 29, 2012, 6:55 PM EDT (22:55 UTC)
Expired
Jun 29, 2012, 7:30 PM EDT
In force
35 min
Issued by
NWS Pittsburgh, PA
Area
Storm-based polygon

Counties Harrison County, OH, Jefferson County, OH

The radar

The Pittsburgh radar (KPBZ), 53 km from the middle of the area, began a volume at 22:55 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
Jun 29, 7:00 PM EDTTSTM WND DMGSteubenville, OHLARGE BRANCHES BROKEN
Jun 29, 7:20 PM EDTTSTM WND DMGMount Pleasant, OHNUMEROUS LARGE TREES BLOWN DOWN.
Jun 29, 7:20 PM EDTTSTM WND DMGTiltonsville, OHNUMEROUS LARGE TREES BLOWN DOWN.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 29, 3:02 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 10.9 hours before the alert went out and 57 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 2012-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2131 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 2012-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 square meters per square second.19395878Sfc1 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
2131 J/kg
Mixed-layer CIN
-144 J/kg
Mixed-layer LCL
1114 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
29 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.3

Open this sounding in Storm Lab

The text

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

410 
WFUS51 KPBZ 292255
TORPBZ
OHC067-081-292330-
/O.NEW.KPBZ.TO.W.0005.120629T2255Z-120629T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PITTSBURGH PA
655 PM EDT FRI JUN 29 2012

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN HARRISON COUNTY IN EAST CENTRAL OHIO...
  SOUTHERN JEFFERSON COUNTY IN EAST CENTRAL OHIO...

* UNTIL 730 PM EDT

* AT 651 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR ADENA...
  MOVING EAST AT 45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO   NEW
  ATHENS...         JEWETT...             HOPEDALE...
  CADIZ...              ADENA...              UNIONPORT...
  NEWELL...             SMITHFIELD...         DILLONVALE...
  JUG RUN...            TILTONSVILLE...       WINTERSVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER IN AN INTERIOR HALLWAY OR ROOM ON THE LOWEST
FLOOR. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY
AWAY FROM WINDOWS.

IF IN A MOBILE HOME OR VEHICLE...EVACUATE IT AND GET INSIDE A STURDY
SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH
OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
FRIDAY EVENING FOR EAST CENTRAL OHIO AND NORTHERN WEST VIRGINIA. A
SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 100 AM EDT
SATURDAY MORNING FOR WESTERN MARYLAND AND SOUTHWEST PENNSYLVANIA AND
NORTHERN WEST VIRGINIA.

PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE. 1-877-633-6772.

&&

LAT...LON 4038 8102 4040 8065 4038 8061 4034 8061
      4031 8060 4027 8062 4025 8065 4020 8067
      4016 8070 4015 8077 4017 8104
TIME...MOT...LOC 2255Z 268DEG 41KT 4024 8085

$$
1 follow-up statement
559 
WWUS51 KPBZ 292315
SVSPBZ

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
715 PM EDT FRI JUN 29 2012

OHC067-081-292330-
/O.CON.KPBZ.TO.W.0005.000000T0000Z-120629T2330Z/
HARRISON OH-JEFFERSON OH-
715 PM EDT FRI JUN 29 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM EDT FOR JEFFERSON
AND HARRISON COUNTIES IN EAST CENTRAL OHIO...

AT 712 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR SMITHFIELD...
MOVING EAST AT 35 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO  
  SMITHFIELD...         NEWELL...             JUG RUN...
  DILLONVALE...         ADENA...              TILTONSVILLE...
  RAYLAND...            WINTERSVILLE...       BRILLIANT...
  STEUBENVILLE...       MINGO JUNCTION...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER IN AN INTERIOR HALLWAY OR ROOM ON THE LOWEST
FLOOR. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY
AWAY FROM WINDOWS.

IF IN A MOBILE HOME OR VEHICLE...EVACUATE IT AND GET INSIDE A STURDY
SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH
OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
FRIDAY EVENING FOR EAST CENTRAL OHIO AND NORTHERN WEST VIRGINIA. A
SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 100 AM EDT
SATURDAY MORNING FOR WESTERN MARYLAND AND SOUTHWEST PENNSYLVANIA AND
NORTHERN WEST VIRGINIA.

PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE. 1-877-633-6772.

LAT...LON 4039 8081 4040 8065 4038 8061 4035 8061
      4031 8060 4027 8062 4025 8065 4020 8067
      4016 8070 4015 8080 4016 8089
TIME...MOT...LOC 2315Z 265DEG 30KT 4026 8073

$$

The office that day

Everything else NWS Pittsburgh, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 29, 5:18 PM EDTSevere Thunderstorm WarningPBZCarroll, Coshocton, Guernsey, Harrison, Muskingum, Noble and 1 more72 min
Jun 29, 6:04 PM EDTTornado WarningPBZCoshocton, Tuscarawas26 min
Jun 29, 6:15 PM EDTSevere Thunderstorm WarningPBZBelmont, Carroll, Columbiana, Guernsey, Harrison, Jefferson and 3 more60 min
Jun 29, 6:27 PM EDTTornado WarningPBZBelmont, Guernsey, Harrison, Tuscarawas33 min
Jun 29, 6:55 PM EDTHeat AdvisoryPBZBelmont, Carroll, Coshocton, Guernsey, Harrison, Jefferson and 4 more22 hr
Jun 29, 7:15 PM EDTSevere Thunderstorm WarningPBZBelmont, Harrison, Jefferson60 min
Jun 29, 7:28 PM EDTFlash Flood WarningPBZJefferson3 hr

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.