Alert archive / West Virginia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 52, NWS Charleston, WV

April 26, 2012McDowell County, West Virginia

NWS Charleston, WV issued this severe thunderstorm warning at Apr 26, 2012, 7:02 PM EDT for McDowell County, West Virginia. It was in force for 43 min. 2 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, 7:02 PM EDT (23:02 UTC)
Expired
Apr 26, 2012, 7:45 PM EDT
In force
43 min
Issued by
NWS Charleston, WV
Area
Storm-based polygon

County McDowell County, WV

The radar

The Charleston,WV radar (KRLX), 114 km from the middle of the area, began a volume at 23:04 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, 7:15 PM EDTHAIL 1Coalwood, WV
Apr 26, 7:43 PM EDTHAIL 0.5War, 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, 11.0 hours before the alert went out and 186 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.

562 
WUUS51 KRLX 262302
SVRRLX
WVC047-262345-
/O.NEW.KRLX.SV.W.0052.120426T2302Z-120426T2345Z/

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

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MCDOWELL COUNTY IN WEST VIRGINIA...

* UNTIL 745 PM EDT

* AT 700 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED 10 MILES NORTHWEST OF WAR...OR 13 MILES WEST OF
  WELCH...AND MOVING SOUTHEAST AT 30 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 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 3738 8191 3746 8181 3735 8135 3727 8142
      3727 8145 3724 8148 3725 8150 3723 8150
      3720 8156 3720 8165
TIME...MOT...LOC 2302Z 294DEG 28KT 3740 8179

$$

28
2 follow-up statements
100 
WWUS51 KRLX 262324
SVSRLX

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

WVC047-262345-
/O.CON.KRLX.SV.W.0052.000000T0000Z-120426T2345Z/
MCDOWELL WV-
724 PM EDT THU APR 26 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT
FOR SOUTHEASTERN MCDOWELL COUNTY...

AT 719 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL.  THIS STORM WAS LOCATED NEAR WAR...OR 7 MILES SOUTHWEST OF
WELCH...MOVING SOUTHEAST AT 30 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO GARY...
ELBERT...ANAWALT AND JENKINJONES

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 3727 8175 3737 8170 3740 8156 3735 8135
      3727 8142 3727 8145 3724 8148 3725 8150
      3723 8150 3720 8156 3720 8165
TIME...MOT...LOC 2324Z 294DEG 28KT 3733 8159

$$

28
979 
WWUS51 KRLX 262345
SVSRLX

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

WVC047-262355-
/O.EXP.KRLX.SV.W.0052.000000T0000Z-120426T2345Z/
MCDOWELL WV-
745 PM EDT THU APR 26 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MCDOWELL COUNTY
HAS EXPIRED...

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 3727 8175 3737 8170 3740 8156 3735 8135
      3727 8142 3727 8145 3724 8148 3725 8150
      3723 8150 3720 8156 3720 8165
TIME...MOT...LOC 2324Z 294DEG 28KT 3733 8159

$$

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, 5:07 PM EDTSevere Thunderstorm WarningRLXLogan, McDowell, Mingo, Wyoming53 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, 7:59 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.