Alert archive / Virginia / Special Weather Statements in 2012

Special Weather Statement, NWS Charleston, WV

April 25, 2012Dickenson County, Virginia

NWS Charleston, WV issued this special weather statement at Apr 25, 2012, 11:10 PM EDT for Dickenson County, Virginia. It was in force for 35 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 25, 2012, 11:10 PM EDT (03:10 UTC)
Expired
Apr 25, 2012, 11:45 PM EDT
In force
35 min
Issued by
NWS Charleston, WV

County Dickenson County, VA

The radar

The Jackson,KY radar (KJKL), 103 km from the middle of the area, began a volume at 03:10 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

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 3.2 hours before the alert went out and 245 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, Greensboro/Hi Pt, NC at 00:00Z 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 00:00Z on 2012-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 99 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1312 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
99 m²/s²
0-3 km storm-relative helicity
221 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.

517 
WWUS81 KRLX 260310
SPSRLX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
1110 PM EDT WED APR 25 2012

VAZ003-260345-
DICKENSON VA-
1110 PM EDT WED APR 25 2012

...A STRONG THUNDERSTORM WILL AFFECT SOUTHERN DICKENSON COUNTY...

AT 1108 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 7 MILES NORTHEAST
OF WISE...MOVING EAST AT 40 MPH.

WIND GUSTS TO 55 MPH AND SMALL HAIL ARE POSSIBLE WITH THIS 
STORM...ALONG WITH HEAVY RAINFALL. 

THIS STORM WILL BE NEAR NORA AROUND 1115 PM AND TRAMMEL AROUND 1120
PM.

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

LAT...LON 3698 8238 3701 8247 3704 8250 3713 8255
      3721 8256 3722 8252 3707 8214 3704 8215
      3702 8220 3699 8224 3699 8229 3695 8236

$$

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, 7:02 PM EDTSevere Thunderstorm WarningRLXMcDowell43 min
Apr 26, 7:59 PM EDTSpecial Weather StatementRLXMcDowell, Wyoming61 min
Apr 26, 7:36 AM EDTSevere Thunderstorm WarningRLXAthens, Jackson, Vinton39 min
Apr 26, 8:14 AM EDTSpecial Weather StatementRLXJackson, Vinton31 min
Apr 26, 12:49 AM EDTSpecial Weather StatementRLXCarter, Lawrence41 min
Apr 26, 8:32 AM EDTSpecial Weather StatementRLXGreenup28 min
Apr 26, 1:14 AM EDTSpecial Weather StatementRLXDickenson31 min

Nearby

Special Weather Statements in Virginia, 2012Every special weather statement 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.