Alert archive / West Virginia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 97, NWS Charleston, WV

July 29, 20215 counties in West Virginia

NWS Charleston, WV issued this severe thunderstorm warning at Jul 29, 2021, 1:16 PM EDT for 5 counties in West Virginia. It was in force for 29 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
Jul 29, 2021, 1:16 PM EDT (17:16 UTC)
Expired
Jul 29, 2021, 1:45 PM EDT
In force
29 min
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Barbour County, WV, Doddridge County, WV, Harrison County, WV, Lewis County, WV, Upshur County, WV

The radar

The Charleston,WV radar (KRLX), 142 km from the middle of the area, began a volume at 17:19 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 12:00Z, 5.3 hours before the alert went out and 142 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 12:00Z on 2021-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 136 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 12:00Z on 2021-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 175 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
136 J/kg
Mixed-layer CIN
-76 J/kg
Mixed-layer LCL
1222 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
175 m²/s²
0-3 km storm-relative helicity
213 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

160 
WUUS51 KRLX 291716
SVRRLX
WVC001-017-033-041-097-291745-
/O.NEW.KRLX.SV.W.0097.210729T1716Z-210729T1745Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Charleston WV
116 PM EDT Thu Jul 29 2021

The National Weather Service in Charleston West Virginia has issued a

* Severe Thunderstorm Warning for...
  Southeastern Doddridge County in northern West Virginia...
  Northeastern Lewis County in northern West Virginia...
  Northwestern Upshur County in northeastern West Virginia...
  West central Barbour County in northeastern West Virginia...
  Southwestern Harrison County in northern West Virginia...

* Until 145 PM EDT.

* At 116 PM EDT, a severe thunderstorm was located over Salem, or 14
  miles west of Clarksburg, moving southeast at 35 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Weston, Salem, Stonewall Jackson, Jackson Mill, West Milford, Lost
  Creek, Jane Lew, Lorentz, Century, Avon, Wolf Summit, New Milton,
  Hodgesville and Horner.

This includes the following highways...
 Interstate 79 between mile markers 95 and 113.
 Route 50 in West Virginia between mile markers 60 and 73.
 Route 33 between mile markers 1 and 7.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Please report severe weather to the National Weather Service by
calling toll free, 800 401 9535, when you can do so safely.

You may also report severe weather by posting your report to the
Charleston West Virginia National Weather Service Facebook Page, or
by using the Twitter Hashtag, NWSRLX.

&&

LAT...LON 3924 8073 3937 8056 3909 8014 3890 8038
TIME...MOT...LOC 1716Z 318DEG 31KT 3925 8058 

HAIL...1.00IN
WIND...60MPH
 
$$

MEK
2 follow-up statements
005 
WWUS51 KRLX 291730
SVSRLX

Severe Weather Statement
National Weather Service Charleston WV
130 PM EDT Thu Jul 29 2021

WVC001-017-033-041-097-291745-
/O.CON.KRLX.SV.W.0097.000000T0000Z-210729T1745Z/
Doddridge WV-Lewis WV-Upshur WV-Barbour WV-Harrison WV-
130 PM EDT Thu Jul 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 PM EDT
FOR SOUTHEASTERN DODDRIDGE...NORTHEASTERN LEWIS...NORTHWESTERN
UPSHUR...WESTERN BARBOUR AND SOUTHWESTERN HARRISON COUNTIES...

At 130 PM EDT, a severe thunderstorm was located near Jackson Mill,
or 8 miles north of Weston, moving southeast at 35 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Weston, Salem, Jackson Mill, Stonewall Jackson, West Milford, Lost
Creek, Jane Lew, Lorentz, Century, Hodgesville, Avon and Horner.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3922 8068 3931 8056 3909 8014 3890 8038
TIME...MOT...LOC 1730Z 318DEG 31KT 3916 8048 

HAIL...1.00IN
WIND...60MPH
 
$$

MEK
222 
WWUS51 KRLX 291741
SVSRLX

Severe Weather Statement
National Weather Service Charleston WV
141 PM EDT Thu Jul 29 2021

WVC001-017-033-041-097-291751-
/O.EXP.KRLX.SV.W.0097.000000T0000Z-210729T1745Z/
Doddridge WV-Lewis WV-Upshur WV-Barbour WV-Harrison WV-
141 PM EDT Thu Jul 29 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN DODDRIDGE...
NORTHEASTERN LEWIS...NORTHWESTERN UPSHUR...WESTERN BARBOUR AND
SOUTHWESTERN HARRISON COUNTIES WILL EXPIRE AT 145 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.

LAT...LON 3922 8068 3931 8056 3909 8014 3890 8038
TIME...MOT...LOC 1741Z 318DEG 31KT 3911 8042 

$$

MEK

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 29, 12:42 PM EDTSpecial Weather StatementRLXDoddridge, Harrison, Tyler33 min
Jul 29, 1:14 PM EDTSpecial Weather StatementRLXDoddridge31 min
Jul 29, 6:39 PM EDTSpecial Weather StatementRLXDoddridge36 min

Nearby

Severe Thunderstorm Warnings in West Virginia, 2021Every severe thunderstorm warning 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.