Alert archive / West Virginia / Special Weather Statements in 2021

Special Weather Statement, NWS Charleston, WV

March 25, 2021Calhoun County, Gilmer County, Roane County, West Virginia

NWS Charleston, WV issued this special weather statement at Mar 25, 2021, 11:42 PM EDT for Calhoun County, Gilmer County, Roane County, West Virginia. It was in force for 33 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 25, 2021, 11:42 PM EDT (03:42 UTC)
Expired
Mar 26, 2021, 12:15 AM EDT
In force
33 min
Issued by
NWS Charleston, WV

Counties Calhoun County, WV, Gilmer County, WV, Roane County, WV

The radar

The Charleston,WV radar (KRLX), 75 km from the middle of the area, began a volume at 03:42 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

Pittsburgh, PA (KPIT), launched 00:00Z, 3.7 hours before the alert went out and 198 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 2021-03-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 18 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, Pittsburgh, PA at 00:00Z on 2021-03-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 175 square meters per square second.1939587897117136Sfc1 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
18 J/kg
Mixed-layer CIN
-82 J/kg
Mixed-layer LCL
1070 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
175 m²/s²
0-3 km storm-relative helicity
292 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

193 
WWUS81 KRLX 260342
SPSRLX

Special Weather Statement
National Weather Service Charleston WV
1142 PM EDT Thu Mar 25 2021

WVZ008-016>020-029-030-260415-
Calhoun-Jackson-Doddridge-Roane-Wirt-Ritchie-Lewis-Gilmer-
1142 PM EDT Thu Mar 25 2021

...A STRONG THUNDERSTORM WILL AFFECT CALHOUN...SOUTHEASTERN
RITCHIE...SOUTHWESTERN DODDRIDGE...GILMER...WEST CENTRAL LEWIS...
SOUTHEASTERN WIRT...NORTHERN ROANE AND EAST CENTRAL JACKSON
COUNTIES...

At 1141 PM EDT, a strong thunderstorm was located 7 miles west of
Spencer, moving northeast at 75 mph.

Wind gusts up to 50 mph are possible with this storm.

Locations impacted include...
Spencer, Glenville, Grantsville, Arnoldsburg, Cedar Creek State Park,
Reedy, Sand Fork, Auburn, Millstone, Smithville, Mount Zion,
Newberne, Lucille, Alum Bridge, Big Springs, Berea, Brohard,
Stumptown, Tanner and Annamoriah.

If outdoors, consider seeking shelter inside a building.

LAT...LON 3865 8157 3884 8164 3922 8081 3893 8054
TIME...MOT...LOC 0341Z 241DEG 75KT 3883 8149 

$$

25

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 25, 10:44 PM EDTSpecial Weather StatementRLXCabell, Mason31 min
Mar 25, 11:13 PM EDTSevere Thunderstorm WarningRLXCabell, Jackson, Mason, Putnam32 min
Mar 26, 12:12 AM EDTSpecial Weather StatementRLXBarbour, Harrison, Taylor33 min
Mar 25, 10:13 PM EDTSpecial Weather StatementRLXLawrence32 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.