Alert archive / West Virginia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 2, NWS Charleston, WV

February 29, 20127 counties in West Virginia; Meigs County, Ohio

NWS Charleston, WV issued this severe thunderstorm warning at Feb 29, 2012, 2:10 PM EST for 7 counties in West Virginia; Meigs 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
Feb 29, 2012, 2:10 PM EST (19:10 UTC)
Expired
Feb 29, 2012, 2:55 PM EST
In force
45 min
Issued by
NWS Charleston, WV
Area
Storm-based polygon

Counties Meigs County, OH, Calhoun County, WV, Gilmer County, WV, Jackson County, WV, Mason County, WV, Ritchie County, WV, Wirt County, WV, Wood County, WV

The radar

The Charleston,WV radar (KRLX), 82 km from the middle of the area, began a volume at 19:12 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 watch it was issued in

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

IssuedProductOfficeLasted
Feb 29, 1:37 PM ESTTornado WatchSPC7 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.2 hours before the alert went out and 214 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 2012-02-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 18 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 2012-02-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 791 square meters per square second.1939587897Sfc1 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
18 J/kg
Mixed-layer CIN
-228 J/kg
Mixed-layer LCL
454 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
791 m²/s²
0-3 km storm-relative helicity
857 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.5

Open this sounding in Storm Lab

The text

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

750 
WUUS51 KRLX 291910
SVRRLX
OHC105-WVC013-021-035-053-085-105-107-292015-
/O.NEW.KRLX.SV.W.0002.120229T1910Z-120229T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
210 PM EST WED FEB 29 2012

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN CALHOUN COUNTY IN WEST VIRGINIA...
  THIS INCLUDES THE CITY OF GRANTSVILLE...
  WEST CENTRAL GILMER COUNTY IN WEST VIRGINIA...
  NORTHERN JACKSON COUNTY IN WEST VIRGINIA...
  NORTH CENTRAL MASON COUNTY IN WEST VIRGINIA...
  THIS INCLUDES THE CITY OF POMEROY...
  RITCHIE COUNTY IN WEST VIRGINIA...
  THIS INCLUDES THE CITY OF HARRISVILLE...
  WIRT COUNTY IN WEST VIRGINIA...
  THIS INCLUDES THE CITY OF ELIZABETH...
  SOUTHERN WOOD COUNTY IN WEST VIRGINIA...
  SOUTHEASTERN MEIGS COUNTY IN SOUTHEAST OHIO...
  THIS INCLUDES THE CITIES OF...RACINE...FORKED RUN STATE PARK...

* UNTIL 315 PM EST

* AT 202 PM EST...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
  MASON...OR NEAR POMEROY...AND MOVING EAST AT 50 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  RAVENSWOOD...SANDYVILLE...MINERALWELLS AND NORTH BEND STATE PARK.

THIS WILL IMPACT THE FOLLOWING INTERSTATE...I-77 BETWEEN MILE MARKERS
145 AND 170 IN WEST VIRGINIA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

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

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EST WEDNESDAY EVENING
FOR CENTRAL KENTUCKY AND SOUTHEAST OHIO AND CENTRAL VIRGINIA AND
CENTRAL WEST VIRGINIA.

&&

LAT...LON 3929 8098 3887 8089 3888 8125 3892 8127
      3890 8136 3894 8145 3889 8153 3891 8205
      3909 8208
TIME...MOT...LOC 1909Z 263DEG 46KT 3901 8193

$$

08
2 follow-up statements
875 
WWUS51 KRLX 291939
SVSRLX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
239 PM EST WED FEB 29 2012

OHC105-WVC053-291948-
/O.CAN.KRLX.SV.W.0002.000000T0000Z-120229T2015Z/
MEIGS OH-MASON WV-
239 PM EST WED FEB 29 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL MASON AND
SOUTHEASTERN MEIGS COUNTIES IS CANCELLED...

THE STORM HAS MOVED OUT OF THE AREA. 

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EST WEDNESDAY EVENING
FOR CENTRAL KENTUCKY AND SOUTHEAST OHIO AND CENTRAL VIRGINIA AND
CENTRAL WEST VIRGINIA.

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 3887 8089 3888 8125 3892 8127 3890 8136
      3894 8145 3892 8148 3893 8149 3889 8153
      3890 8165 3916 8170 3929 8098
TIME...MOT...LOC 1938Z 263DEG 46KT 3905 8146

$$

WVC013-021-035-085-105-107-292015-
/O.CON.KRLX.SV.W.0002.000000T0000Z-120229T2015Z/
JACKSON WV-GILMER WV-CALHOUN WV-WIRT WV-WOOD WV-RITCHIE WV-
239 PM EST WED FEB 29 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EST
FOR RITCHIE...SOUTHERN WOOD...WIRT...NORTHERN CALHOUN...WEST CENTRAL
GILMER AND NORTHEASTERN JACKSON COUNTIES IN WEST VIRGINIA...

AT 235 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR MORRISTOWN...OR 6 MILES WEST OF ELIZABETH...MOVING EAST
AT 55 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
PALESTINE...LUCILLE...GREENCASTLE...WALKER...CHERRY...FREEPORT...
CRESTON...PETROLEUM...ANNAMORIAH...MUNDAY...NUTTER FARM...
MACFARLAN...BROHARD...CAIRO...GRANTSVILLE...SMITHVILLE...NORTH BEND
STATE PARK...BIG SPRINGS...HARRISVILLE...ELLENBORO...BURNT HOUSE AND
TANNER

THIS WILL IMPACT THE FOLLOWING INTERSTATE...I-77 BETWEEN MILE MARKERS
153 AND 170 IN WEST VIRGINIA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EST WEDNESDAY EVENING
FOR CENTRAL KENTUCKY AND SOUTHEAST OHIO AND CENTRAL VIRGINIA AND
CENTRAL WEST VIRGINIA.

&&

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 3887 8089 3888 8125 3892 8127 3890 8136
      3894 8145 3892 8148 3893 8149 3889 8153
      3890 8165 3916 8170 3929 8098
TIME...MOT...LOC 1938Z 263DEG 46KT 3905 8146

$$

28
232 
WWUS51 KRLX 291955
SVSRLX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
255 PM EST WED FEB 29 2012

WVC013-021-035-085-105-107-292004-
/O.CAN.KRLX.SV.W.0002.000000T0000Z-120229T2015Z/
JACKSON WV-GILMER WV-CALHOUN WV-WIRT WV-WOOD WV-RITCHIE WV-
255 PM EST WED FEB 29 2012

...THE SEVERE THUNDERSTORM WARNING FOR RITCHIE...SOUTHERN WOOD...
WIRT...NORTHERN CALHOUN...WEST CENTRAL GILMER AND NORTHEASTERN
JACKSON COUNTIES IN WEST VIRGINIA IS CANCELLED...

THIS WILL IMPACT THE FOLLOWING INTERSTATE...I-77 BETWEEN MILE MARKERS
153 AND 170 IN WEST VIRGINIA.

THE STORM THAT PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS
AND NO LONGER POSES A SEVERE WEATHER THREAT...THUS THE SEVERE
THUNDERSTORM WARNING HAS BEEN CANCELLED. HOWEVER...GUSTY WINDS AND 
SMALL HAIL ARE STILL POSSIBLE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EST WEDNESDAY EVENING
FOR CENTRAL KENTUCKY AND SOUTHEAST OHIO AND CENTRAL VIRGINIA AND
CENTRAL WEST VIRGINIA.

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 3887 8089 3888 8125 3892 8127 3890 8136
      3894 8145 3892 8148 3893 8149 3889 8153
      3890 8165 3916 8170 3929 8098
TIME...MOT...LOC 1954Z 263DEG 46KT 3907 8120

$$

28

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 29, 10:26 AM ESTSpecial Weather StatementRLXCabell, Jackson, Lincoln, Mason, Putnam, Wayne and 1 more34 min
Feb 29, 11:19 AM ESTSpecial Weather StatementRLXBraxton, Clay, Kanawha, Nicholas, Roane41 min
Feb 29, 11:25 AM ESTSpecial Weather StatementRLXBarbour, Doddridge, Harrison, Lewis, Ritchie, Taylor50 min
Feb 29, 12:19 PM ESTSpecial Weather StatementRLXPleasants, Wirt, Wood71 min
Feb 29, 12:59 PM ESTFlash Flood WatchRLXBarbour, Boone, Braxton, Cabell, Calhoun, Clay and 22 more9 hr
Feb 29, 1:11 PM ESTSpecial Weather StatementRLXWayne34 min
Feb 29, 1:26 PM ESTFlash Flood WarningRLXBarbour, Braxton, Calhoun, Doddridge, Gilmer, Harrison and 5 more57 days
Feb 29, 1:54 PM ESTTornado WarningRLXWayne36 min
Feb 29, 2:30 PM ESTSevere Thunderstorm WarningRLXBoone, Lincoln, Logan, Mingo, Wayne60 min
Feb 29, 3:25 PM ESTFlash Flood WarningRLXBarbour, Calhoun, Doddridge, Harrison, Jackson, Mason and 7 more6 hr
Feb 29, 3:29 PM ESTSevere Thunderstorm WarningRLXBoone, Fayette, Kanawha, Nicholas46 min
Feb 29, 3:35 PM ESTSevere Thunderstorm WarningRLXBoone, Logan, McDowell, Mingo, Raleigh, Wyoming55 min
Feb 29, 4:17 PM ESTSpecial Weather StatementRLXPocahontas58 min
Feb 29, 6:01 PM ESTSpecial Weather StatementRLXBoone, Fayette, Logan, McDowell, Mingo, Nicholas and 4 more3 hr
Feb 29, 2:43 PM ESTSpecial Weather StatementRLXMeigs62 min

Nearby

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