Alert archive / West Virginia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 49, NWS Charleston, WV

April 26, 20124 counties in West Virginia

NWS Charleston, WV issued this severe thunderstorm warning at Apr 26, 2012, 5:07 PM EDT for 4 counties in West Virginia. It was in force for 53 min. 5 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
Apr 26, 2012, 5:07 PM EDT (21:07 UTC)
Expired
Apr 26, 2012, 6:00 PM EDT
In force
53 min
Issued by
NWS Charleston, WV
Area
Storm-based polygon

Counties Logan County, WV, McDowell County, WV, Mingo County, WV, Wyoming County, WV

The radar

The Charleston,WV radar (KRLX), 95 km from the middle of the area, began a volume at 21:08 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
Apr 26, 5:12 PM EDTHAIL 1Accoville, WV
Apr 26, 5:40 PM EDTHAIL 0.7Pineville, WV
Apr 26, 5:45 PM EDTHAIL 0.88Pineville, WV
Apr 26, 5:45 PM EDTHAIL 14 Wnw Pineville, WVLOCATED IN MARIANNA
Apr 26, 5:45 PM EDTHAIL 1.751 W Pineville, WV

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

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 9.1 hours before the alert went out and 177 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, Roanoke, VA at 12:00Z on 2012-04-26Temperature 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, Roanoke, VA at 12:00Z on 2012-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -140 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
802 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
-140 m²/s²
0-3 km storm-relative helicity
-105 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.

170 
WUUS51 KRLX 262107
SVRRLX
WVC045-047-059-109-262200-
/O.NEW.KRLX.SV.W.0049.120426T2107Z-120426T2200Z/

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

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN LOGAN COUNTY IN WEST VIRGINIA...
  EASTERN MCDOWELL COUNTY IN WEST VIRGINIA...
  THIS INCLUDES THE CITY OF WELCH...
  EXTREME EAST CENTRAL MINGO COUNTY IN WEST VIRGINIA...
  WYOMING COUNTY IN WEST VIRGINIA...
  THIS INCLUDES THE CITY OF PINEVILLE...

* UNTIL 600 PM EDT

* AT 503 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 NEAR
  MAN...OR 6 MILES SOUTHEAST OF LOGAN...AND MOVING SOUTHEAST AT 35
  MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  MALLORY...R.D. BAILEY LAKE...HANOVER...OCEANA...TWIN FALLS STATE
  PARK...MULLENS...NORTHFORK AND GARY.

.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

VERY HEAVY RAIN WILL ALSO FALL FROM THIS SEVERE THUNDERSTORM...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 3776 8203 3786 8186 3760 8132 3755 8131
      3752 8123 3751 8122 3746 8130 3742 8128
      3741 8131 3732 8136 3730 8140 3726 8142
      3727 8145 3725 8149
TIME...MOT...LOC 2107Z 300DEG 29KT 3778 8186

$$

28
1 follow-up statement
224 
WWUS51 KRLX 262132
SVSRLX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
532 PM EDT THU APR 26 2012

WVC045-059-262142-
/O.CAN.KRLX.SV.W.0049.000000T0000Z-120426T2200Z/
MINGO WV-LOGAN WV-
532 PM EDT THU APR 26 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN LOGAN AND
SOUTHEASTERN MINGO COUNTIES IS CANCELLED...

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 3765 8179 3770 8172 3770 8170 3771 8171
      3776 8165 3760 8132 3755 8131 3751 8122
      3746 8130 3742 8128 3741 8131 3732 8136
      3730 8140 3727 8142
TIME...MOT...LOC 2132Z 300DEG 29KT 3768 8164

$$

WVC047-109-262200-
/O.CON.KRLX.SV.W.0049.000000T0000Z-120426T2200Z/
MCDOWELL WV-WYOMING WV-
532 PM EDT THU APR 26 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR WYOMING AND NORTHEASTERN MCDOWELL COUNTIES...

AT 531 PM EDT...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 OCEANA...OR 9 MILES NORTHWEST OF PINEVILLE...MOVING
SOUTHEAST AT 35 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
BAILEYSVILLE...WOLF PEN...TWIN FALLS STATE PARK...WELCH...KIMBALL...
MULLENS...MAYBEURY...JENKINJONES...HERNDON...NORTHFORK...KEYSTONE AND
ANAWALT

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 3765 8179 3770 8172 3770 8170 3771 8171
      3776 8165 3760 8132 3755 8131 3751 8122
      3746 8130 3742 8128 3741 8131 3732 8136
      3730 8140 3727 8142
TIME...MOT...LOC 2132Z 300DEG 29KT 3768 8164

$$

28

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 26, 2:04 AM EDTSpecial Weather StatementRLXBoone, Cabell, Lincoln, Logan, Putnam, Wayne56 min
Apr 26, 2:57 AM EDTSpecial Weather StatementRLXBoone, Fayette, Lincoln, Logan, Raleigh, Wayne93 min
Apr 26, 4:09 AM EDTSpecial Weather StatementRLXMcDowell51 min
Apr 26, 8:52 AM EDTSpecial Weather StatementRLXCabell, Jackson, Lincoln, Mason, Putnam, Roane and 3 more83 min
Apr 26, 4:21 PM EDTSpecial Weather StatementRLXLogan39 min
Apr 26, 4:34 PM EDTSpecial Weather StatementRLXLincoln41 min
Apr 26, 4:59 PM EDTSpecial Weather StatementRLXLogan, McDowell, Mingo, Wyoming46 min
Apr 26, 5:25 PM EDTSevere Thunderstorm WarningRLXBoone, Raleigh35 min
Apr 26, 5:58 PM EDTSevere Thunderstorm WarningRLXMcDowell, Wyoming32 min
Apr 26, 6:35 PM EDTSpecial Weather StatementRLXRaleigh40 min
Apr 26, 7:02 PM EDTSevere Thunderstorm WarningRLXMcDowell43 min
Apr 26, 7:59 PM EDTSpecial Weather StatementRLXMcDowell, Wyoming61 min

Nearby

Severe 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; radar from the NEXRAD Level II archive.