Alert archive / Ohio / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 91, NWS Charleston, WV

July 1, 20126 counties in Ohio; 5 counties in West Virginia

NWS Charleston, WV issued this severe thunderstorm warning at Jul 1, 2012, 7:42 PM EDT for 6 counties in Ohio; 5 counties in West Virginia. It was in force for 78 min. 1 report 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
Jul 1, 2012, 7:42 PM EDT (23:42 UTC)
Expired
Jul 1, 2012, 9:00 PM EDT
In force
78 min
Issued by
NWS Charleston, WV
Area
Storm-based polygon

Counties Athens County, OH, Meigs County, OH, Morgan County, OH, Perry County, OH, Vinton County, OH, Washington County, OH, Pleasants County, WV, Ritchie County, WV, Tyler County, WV, Wirt County, WV, Wood County, WV

What was reported inside it

TimeReportWhereRemark
Jul 1, 8:20 PM EDTTSTM WND DMGMarietta, OHTREES DOWN IN MARIETTA AREA AND MUCH OF WASHINGTON COUNTY.

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
Jul 1, 4:32 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.7 hours before the alert went out and 169 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, Cncnati-Daytn, OH at 12:00Z on 2012-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2142 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, Cncnati-Daytn, OH at 12:00Z on 2012-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 78 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
2142 J/kg
Mixed-layer CIN
-87 J/kg
Mixed-layer LCL
1001 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
78 m²/s²
0-3 km storm-relative helicity
113 m²/s²
Significant tornado parameter
0.7
Supercell composite
5.0

Open this sounding in Storm Lab

The text

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

016 
WUUS51 KRLX 012342
SVRRLX
OHC009-105-115-127-163-167-WVC073-085-095-105-107-020100-
/O.NEW.KRLX.SV.W.0091.120701T2342Z-120702T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
ISSUED BY NATIONAL WEATHER SERVICE PITTSBURGH PA
742 PM EDT SUN JUL 1 2012

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN VINTON COUNTY IN SOUTHEAST OHIO...
  SOUTHEASTERN PERRY COUNTY IN SOUTHEAST OHIO...
  ATHENS COUNTY IN SOUTHEAST OHIO...
  WASHINGTON COUNTY IN SOUTHEAST OHIO...
  MORGAN COUNTY IN SOUTHEAST OHIO...
  NORTHEASTERN MEIGS COUNTY IN SOUTHEAST OHIO...
  NORTHWESTERN WIRT COUNTY IN WEST VIRGINIA...
  WOOD COUNTY IN WEST VIRGINIA...
  PLEASANTS COUNTY IN WEST VIRGINIA...
  EXTREME WEST CENTRAL TYLER COUNTY IN WEST VIRGINIA...
  WEST CENTRAL RITCHIE COUNTY IN WEST VIRGINIA...

* UNTIL 900 PM EDT

* AT 738 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS
  IN EXCESS OF 70 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 13 MILES NORTHWEST OF MCCONNELSVILLE TO GLOUSTER TO
  ALBANY...MOVING EAST AT 30 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO  
  SHAWNEE...            NELSONVILLE...        GLOUSTER...
  ALBANY...             ATHENS...             CHESTERHILL...
  MCCONNELSVILLE...     COOLVILLE...          BEVERLY...
  BELPRE...             PARKERSBURG...        MARIETTA...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR 
DAMAGING WINDS...AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE 
OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG 
BUILDING BUT AWAY FROM WINDOWS.

PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE. 1-877-633-6772...WHEN YOU CAN
DO SO SAFELY.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
SUNDAY EVENING FOR SOUTHEAST OHIO AND CENTRAL WEST VIRGINIA.

&&

LAT...LON 3980 8207 3977 8206 3972 8164 3967 8164
      3966 8158 3959 8158 3958 8148 3964 8145
      3960 8138 3957 8103 3943 8107 3905 8142
      3926 8238 3939 8233 3939 8229 3947 8228
      3947 8217 3954 8216 3956 8225 3982 8216
TIME...MOT...LOC 2342Z 284DEG 27KT 3976 8200 3955 8202
          3925 8213

$$
2 follow-up statements
931 
WWUS51 KRLX 020012
SVSRLX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
ISSUED BY NATIONAL WEATHER SERVICE PITTSBURGH PA
812 PM EDT SUN JUL 1 2012

OHC127-163-020022-
/O.CAN.KRLX.SV.W.0091.000000T0000Z-120702T0100Z/
VINTON OH-PERRY OH-
812 PM EDT SUN JUL 1 2012

...THE SEVERE THUNDERSTORM WARNING FOR PERRY AND VINTON COUNTIES IS
CANCELLED...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
SUNDAY EVENING FOR CENTRAL KENTUCKY AND SOUTHEAST OHIO AND CENTRAL
WEST VIRGINIA.

LAT...LON 3919 8199 3950 8182 3974 8178 3972 8164
      3967 8164 3966 8158 3959 8158 3958 8148
      3964 8145 3960 8138 3957 8103 3943 8107
      3905 8142
TIME...MOT...LOC 0012Z 284DEG 27KT 3970 8172 3949 8174
          3920 8185

$$

OHC009-105-115-167-WVC073-085-095-105-107-020100-
/O.CON.KRLX.SV.W.0091.000000T0000Z-120702T0100Z/
ATHENS OH-WASHINGTON OH-MORGAN OH-MEIGS OH-WIRT WV-WOOD WV-
PLEASANTS WV-TYLER WV-RITCHIE WV-
812 PM EDT SUN JUL 1 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EDT
FOR RITCHIE...TYLER...PLEASANTS...WOOD...WIRT...MEIGS...MORGAN...
WASHINGTON AND ATHENS COUNTIES...

AT 808 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM 11 MILES NORTH OF STOCKPORT TO STOCKPORT
TO COOLVILLE...MOVING EAST AT 30 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO  
  COOLVILLE...          BEVERLY...            BELPRE...
  PARKERSBURG...        MARIETTA...           ST. MARYS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
SUNDAY EVENING FOR CENTRAL KENTUCKY AND SOUTHEAST OHIO AND CENTRAL
WEST VIRGINIA.

LAT...LON 3919 8199 3950 8182 3974 8178 3972 8164
      3967 8164 3966 8158 3959 8158 3958 8148
      3964 8145 3960 8138 3957 8103 3943 8107
      3905 8142
TIME...MOT...LOC 0012Z 284DEG 27KT 3970 8172 3949 8174
          3920 8185

$$
361 
WWUS51 KRLX 020055
SVSRLX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
ISSUED BY NATIONAL WEATHER SERVICE PITTSBURGH PA
855 PM EDT SUN JUL 1 2012

OHC009-105-115-167-WVC073-085-095-105-107-020105-
/O.EXP.KRLX.SV.W.0091.000000T0000Z-120702T0100Z/
ATHENS OH-WASHINGTON OH-MORGAN OH-MEIGS OH-WIRT WV-WOOD WV-
PLEASANTS WV-TYLER WV-RITCHIE WV-
855 PM EDT SUN JUL 1 2012

...THE SEVERE THUNDERSTORM WARNING FOR RITCHIE...TYLER...PLEASANTS...
WOOD...WIRT...MEIGS...MORGAN...WASHINGTON AND ATHENS COUNTIES EXPIRES
AT 900 PM EDT...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
SUNDAY EVENING FOR CENTRAL KENTUCKY AND SOUTHEAST OHIO AND CENTRAL
WEST VIRGINIA.

LAT...LON 3919 8199 3950 8182 3974 8178 3972 8164
      3967 8164 3966 8158 3959 8158 3958 8148
      3964 8145 3960 8138 3957 8103 3943 8107
      3905 8142
TIME...MOT...LOC 0055Z 284DEG 27KT 3962 8131 3941 8133
          3912 8145

$$

The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 1, 3:29 PM EDTHeat AdvisoryRLXAthens, Gallia, Jackson, Lawrence, Meigs, Morgan and 3 more28 hr
Jul 1, 6:32 PM EDTSevere Thunderstorm WarningRLXJackson, Vinton58 min
Jul 1, 7:06 PM EDTSevere Thunderstorm WarningRLXAthens, Meigs, Morgan, Perry, Vinton, Washington39 min
Jul 1, 7:27 PM EDTSevere Thunderstorm WarningRLXAthens, Gallia, Jackson, Lawrence, Meigs, Vinton63 min
Jul 1, 9:19 AM EDTSevere Thunderstorm WarningRLXMcDowell41 min
Jul 1, 7:58 PM EDTSevere Thunderstorm WarningRLXBoone, Braxton, Cabell, Calhoun, Clay, Gilmer and 8 more62 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2012Severe Thunderstorm Warnings in West Virginia, 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.