Alert archive / West Virginia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 45, NWS Charleston, WV

March 30, 2012Pleasants County, Tyler County, West Virginia; Washington County, Ohio

NWS Charleston, WV issued this severe thunderstorm warning at Mar 30, 2012, 10:42 PM EDT for Pleasants County, Tyler County, West Virginia; Washington County, Ohio. It was in force for 48 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
Mar 30, 2012, 10:42 PM EDT (02:42 UTC)
Expired
Mar 30, 2012, 11:30 PM EDT
In force
48 min
Issued by
NWS Charleston, WV
Area
Storm-based polygon

Counties Washington County, OH, Pleasants County, WV, Tyler County, WV

The radar

The Pittsburgh radar (KPBZ), 134 km from the middle of the area, began a volume at 02:46 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
Mar 30, 7:47 PM EDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 2.7 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-pSkew-T log-p diagram, Pittsburgh, PA at 00:00Z on 2012-03-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2012-03-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 346 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1221 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
346 m²/s²
0-3 km storm-relative helicity
441 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.7

Open this sounding in Storm Lab

The text

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

101 
WUUS51 KRLX 310242
SVRRLX
OHC167-WVC073-095-310330-
/O.NEW.KRLX.SV.W.0045.120331T0242Z-120331T0330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
1042 PM EDT FRI MAR 30 2012

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  PLEASANTS COUNTY IN WEST VIRGINIA...
  THIS INCLUDES THE CITY OF ST. MARYS...
  TYLER COUNTY IN WEST VIRGINIA...
  THIS INCLUDES THE CITY OF MIDDLEBOURNE...
  EASTERN WASHINGTON COUNTY IN SOUTHEAST OHIO...

* UNTIL 1130 PM EDT

* AT 1032 PM EDT...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 10
  MILES NORTHWEST OF BELMONT...OR NEAR MARIETTA...AND MOVING EAST AT
  40 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  SISTERSVILLE.

THIS WILL IMPACT THE FOLLOWING INTERSTATE...I-77 NEAR MILE MARKER 1
IN OHIO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT
SATURDAY MORNING FOR CENTRAL KENTUCKY AND SOUTHEAST OHIO AND CENTRAL
WEST VIRGINIA.

&&

LAT...LON 3959 8090 3960 8084 3948 8071 3946 8063
      3943 8071 3939 8073 3933 8085 3933 8089
      3936 8088 3939 8092 3934 8096 3935 8140
      3941 8143 3958 8120 3958 8104 3955 8103
      3961 8095
TIME...MOT...LOC 0242Z 279DEG 36KT 3945 8129

$$
1 follow-up statement
047 
WWUS51 KRLX 310329
SVSRLX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
1129 PM EDT FRI MAR 30 2012

OHC167-WVC073-095-310340-
/O.EXP.KRLX.SV.W.0045.000000T0000Z-120331T0330Z/
WASHINGTON OH-PLEASANTS WV-TYLER WV-
1129 PM EDT FRI MAR 30 2012

...THE SEVERE THUNDERSTORM WARNING FOR TYLER...PLEASANTS AND EASTERN
WASHINGTON COUNTIES HAS EXPIRED...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT
SATURDAY MORNING FOR CENTRAL KENTUCKY AND SOUTHEAST OHIO 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 3959 8090 3960 8084 3948 8071 3946 8063
      3943 8071 3939 8073 3933 8085 3933 8089
      3936 8088 3939 8092 3934 8096 3935 8140
      3941 8143 3958 8120 3958 8104 3955 8103
      3961 8095
TIME...MOT...LOC 0330Z 279DEG 36KT 3932 8069

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 30, 11:32 PM EDTSpecial Weather StatementRLXDoddridge, Harrison28 min
Mar 30, 11:56 PM EDTSpecial Weather StatementRLXWirt34 min
Mar 31, 12:57 AM EDTSpecial Weather StatementRLXBraxton33 min
Mar 30, 8:32 PM EDTSevere Thunderstorm WarningRLXMorgan, Perry58 min
Mar 30, 9:35 PM EDTSpecial Weather StatementRLXMorgan55 min
Mar 30, 9:46 PM EDTSpecial Weather StatementRLXAthens, Vinton29 min
Mar 30, 10:15 PM EDTSevere Thunderstorm WarningRLXAthens, Meigs, Morgan, Perry, Washington60 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.