Alert archive / Ohio / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 48, NWS Charleston, WV

April 26, 2012Athens County, Jackson County, Vinton County, Ohio

NWS Charleston, WV issued this severe thunderstorm warning at Apr 26, 2012, 7:36 AM EDT for Athens County, Jackson County, Vinton County, Ohio. It was in force for 39 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: Apr 26, 2012, 7:36 AM EDT (11:36 UTC)
Expired: Apr 26, 2012, 8:15 AM EDT
In force: 39 min
Issued by: NWS Charleston, WV
Area: Storm-based polygon

Counties Athens County, OH, Jackson County, OH, Vinton County, OH

The radar

The Cincinnati radar (KILN), 129 km from the middle of the area, began a volume at 11:36 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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 11.6 hours before the alert went out and 127 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1093 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 229 m²/s²
0-3 km storm-relative helicity: 416 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.

235 
WUUS51 KRLX 261136
SVRRLX
OHC009-079-163-261215-
/O.NEW.KRLX.SV.W.0048.120426T1136Z-120426T1215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
736 AM EDT THU APR 26 2012

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN ATHENS COUNTY IN SOUTHEAST OHIO...
  THIS INCLUDES THE CITIES OF...NELSONVILLE...ATHENS...
  NORTHERN JACKSON COUNTY IN SOUTHEAST OHIO...
  THIS INCLUDES THE CITY OF WELLSTON...
  VINTON COUNTY IN SOUTHEAST OHIO...
  THIS INCLUDES THE CITIES OF...MCARTHUR...LAKE HOPE STATE PARK...

* UNTIL 815 AM EDT

* AT 734 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 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 19 MILES NORTHWEST OF
  NELSONVILLE TO 22 MILES NORTHWEST OF MCARTHUR TO 29 MILES WEST OF
  MCARTHUR...OR ALONG A LINE EXTENDING FROM 8 MILES NORTHWEST OF
  LOGAN TO 12 MILES SOUTHEAST OF CIRCLEVILLE TO CHILLICOTHE...AND
  MOVING SOUTHEAST AT 35 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO EAGLE
  MILLS...ALLENSVILLE...CREOLA...BUCHTEL...BYER...ZALESKI...THE
  PLAINS...JACKSONVILLE...HAMDEN...COALTON...CHAUNCEY AND AMESVILLE..


PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

THIS STORM HAS A HISTORY OF PRODUCING LARGE DAMAGING HAIL. SEEK 
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!

VERY HEAVY RAIN WILL ALSO FALL FROM THIS LINE OF SEVERE
THUNDERSTORMS...AND WILL CAUSE WATER TO POND ON ROADS AND QUICKLY
FILL ROADSIDE DITCHES AND SMALL STREAMS.

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

&&

LAT...LON 3948 8206 3946 8205 3946 8202 3940 8189
      3908 8255 3918 8278 3934 8276 3937 8274
      3938 8252 3940 8251 3939 8230 3947 8229
      3947 8218 3952 8217
TIME...MOT...LOC 1135Z 299DEG 30KT 3959 8253 3948 8276
          3936 8299

$$

12

2 follow-up statements

268 
WWUS51 KRLX 261157
SVSRLX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
757 AM EDT THU APR 26 2012

OHC009-079-163-261215-
/O.CON.KRLX.SV.W.0048.000000T0000Z-120426T1215Z/
ATHENS OH-JACKSON OH-VINTON OH-
757 AM EDT THU APR 26 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 AM EDT
FOR VINTON...NORTHERN JACKSON AND NORTHERN ATHENS COUNTIES IN
SOUTHEAST OHIO...

AT 752 AM 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 9 MILES NORTHWEST OF
NELSONVILLE TO 8 MILES NORTHEAST OF EAGLE MILLS TO 7 MILES SOUTHWEST
OF EAGLE MILLS...OR ALONG A LINE EXTENDING FROM LOGAN TO 13 MILES
NORTHWEST OF MCARTHUR TO 9 MILES EAST OF CHILLICOTHE...MOVING
SOUTHEAST AT 35 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
ALLENSVILLE...BUCHTEL...CREOLA...BYER...ZALESKI...WELLSTON...THE
PLAINS...LAKE HOPE STATE 
PARK...JACKSONVILLE...HAMDEN...COALTON...CHAUNCEY...ATHENS AND 
AMESVILLE.

THE STORMS WERE WEAKENING...SO THE SEVERE THREAT WILL START TO 
DIMINISH.

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

LAT...LON 3948 8206 3946 8205 3946 8202 3940 8189
      3908 8255 3918 8278 3934 8276 3937 8274
      3938 8252 3940 8251 3939 8230 3947 8229
      3947 8218 3952 8217
TIME...MOT...LOC 1156Z 299DEG 30KT 3950 8233 3939 8256
          3928 8279

$$

12

705 
WWUS51 KRLX 261211
SVSRLX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
811 AM EDT THU APR 26 2012

OHC009-079-163-261220-
/O.EXP.KRLX.SV.W.0048.000000T0000Z-120426T1215Z/
ATHENS OH-JACKSON OH-VINTON OH-
811 AM EDT THU APR 26 2012

...THE SEVERE THUNDERSTORM WARNING FOR VINTON...NORTHERN JACKSON AND
NORTHERN ATHENS COUNTIES IN SOUTHEAST OHIO WILL EXPIRE AT 815 AM
EDT...

THE STORMS THAT PROMPTED THE WARNING HAVE WEAKENED BELOW SEVERE 
LIMITS AND NO LONGER POSE A SEVERE WEATHER THREAT...THUS THE SEVERE 
THUNDERSTORM WARNING HAS BEEN ALLOWED TO EXPIRE. HOWEVER THESE 
THUNDERSTORMS MAY PRODUCE GUSTY WINDS AND PEA SIZE HAIL.

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

LAT...LON 3948 8206 3946 8205 3946 8202 3940 8189
      3908 8255 3918 8278 3934 8276 3937 8274
      3938 8252 3940 8251 3939 8230 3947 8229
      3947 8218 3952 8217
TIME...MOT...LOC 1210Z 299DEG 30KT 3944 8220 3933 8243
          3922 8266

$$

12

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 26, 8:14 AM EDT	Special Weather Statement	RLX	Jackson, Vinton	31 min
Apr 26, 8:52 AM EDT	Special Weather Statement	RLX	Athens, Gallia, Lawrence, Meigs	83 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2012 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.