Alert archive / West Virginia / Special Weather Statements in 2021

Special Weather Statement, NWS Charleston, WV

August 3, 2021Putnam County, West Virginia

NWS Charleston, WV issued this special weather statement at Aug 3, 2021, 7:33 PM EDT for Putnam County, West Virginia. It was in force for 27 min. 1 report 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
Aug 3, 2021, 7:33 PM EDT (23:33 UTC)
Expired
Aug 3, 2021, 8:00 PM EDT
In force
27 min
Issued by
NWS Charleston, WV

County Putnam County, WV

The radar

The Charleston,WV radar (KRLX), 31 km from the middle of the area, began a volume at 23:34 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
Aug 3, 7:34 PM EDTTSTM WND DMGEleanor, WVTREE UPROOTED.

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

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.6 hours before the alert went out and 196 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 2021-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 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 2021-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 square meters per square second.193958Sfc1 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
4 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
1414 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
68 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

862 
WWUS81 KRLX 032333
SPSRLX

Special Weather Statement
National Weather Service Charleston WV
733 PM EDT Tue Aug 3 2021

WVZ014-015-040000-
Kanawha-Putnam-
733 PM EDT Tue Aug 3 2021

...A STRONG THUNDERSTORM WILL AFFECT NORTH CENTRAL KANAWHA AND
CENTRAL PUTNAM COUNTIES...

At 733 PM EDT, a strong thunderstorm was located over Winfield,
moving northeast at 25 mph.

Wind gusts up to 50 mph and nickel size hail are possible with this
storm.

Locations impacted include...
Nitro, Winfield, Eleanor, Poca, Teays Valley, Bancroft and Liberty. 

This includes Interstate 64 in West Virginia between mile markers 39
and 44.
 
Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

LAT...LON 3867 8181 3868 8179 3855 8164 3841 8189
      3849 8198
TIME...MOT...LOC 2333Z 223DEG 20KT 3850 8187 

$$

RPY

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 4:48 PM EDTSpecial Weather StatementRLXRoane27 min
Aug 3, 5:04 PM EDTSevere Thunderstorm WarningRLXJackson, Roane, Wirt41 min
Aug 3, 5:56 PM EDTSpecial Weather StatementRLXRitchie34 min
Aug 3, 6:09 PM EDTSevere Thunderstorm WarningRLXPleasants, Ritchie32 min
Aug 3, 2:46 PM EDTSpecial Weather StatementRLXBuchanan44 min

Nearby

Special Weather Statements in West Virginia, 2021Every special weather statement in 2021

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.