Alert archive / West Virginia / Tornado Warnings in 2021

Tornado Warning 24, NWS Pittsburgh, PA

October 21, 2021Belmont County, Ohio; Marshall County, Ohio County, West Virginia; Greene County, Washington County, Pennsylvania

NWS Pittsburgh, PA issued this tornado warning at Oct 21, 2021, 7:13 PM EDT for Belmont County, Ohio; Marshall County, Ohio County, West Virginia; Greene County, Washington County, Pennsylvania. It was in force for 32 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
Oct 21, 2021, 7:13 PM EDT (23:13 UTC)
Expired
Oct 21, 2021, 7:45 PM EDT
In force
32 min
Issued by
NWS Pittsburgh, PA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Belmont County, OH, Greene County, PA, Washington County, PA, Marshall County, WV, Ohio County, WV

The radar

The Pittsburgh radar (KPBZ), 72 km from the middle of the area, began a volume at 23:14 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, 11.2 hours before the alert went out and 70 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 2021-10-21Temperature 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, Pittsburgh, PA at 12:00Z on 2021-10-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 105 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
1175 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
105 m²/s²
0-3 km storm-relative helicity
188 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

330 
WFUS51 KPBZ 212313
TORPBZ
OHC013-PAC059-125-WVC051-069-212345-
/O.NEW.KPBZ.TO.W.0024.211021T2313Z-211021T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Pittsburgh PA
713 PM EDT Thu Oct 21 2021

The National Weather Service in Pittsburgh has issued a

* Tornado Warning for...
  Northeastern Belmont County in east central Ohio...
  Southwestern Washington County in southwestern Pennsylvania...
  Northwestern Greene County in southwestern Pennsylvania...
  Ohio County in northern West Virginia...
  Marshall County in northern West Virginia...

* Until 745 PM EDT.
    
* At 713 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over St. Clairsville, moving east at 40 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Glen Dale around 720 PM EDT.
  Wheeling, Martins Ferry, Bellaire, Bethlehem, Shadyside and 
  McMechen around 725 PM EDT.
  Triadelphia and Valley Grove around 735 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Bridgeport, Benwood, Brookside, Neffs, West Finley, Elm Grove,
Dallas, Sherrard, Glendale and Grand Vue Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Please report severe weather by calling 412-262-1988, posting to 
the NWS Pittsburgh Facebook page, or using Twitter @NWSPITTSBURGH. 

&&

LAT...LON 3998 8096 4012 8093 4009 8038 3989 8044
TIME...MOT...LOC 2313Z 270DEG 35KT 4005 8086 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$
5 follow-up statements
173 
WWUS51 KPBZ 212321
SVSPBZ

Severe Weather Statement
National Weather Service Pittsburgh PA
721 PM EDT Thu Oct 21 2021

OHC013-PAC059-125-WVC051-069-212345-
/O.CON.KPBZ.TO.W.0024.000000T0000Z-211021T2345Z/
Belmont OH-Washington PA-Greene PA-Ohio WV-Marshall WV-
721 PM EDT Thu Oct 21 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM EDT FOR
NORTHEASTERN BELMONT...SOUTHWESTERN WASHINGTON...NORTHWESTERN
GREENE...OHIO AND MARSHALL COUNTIES...
    
At 720 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Bellaire, moving east at 40 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Wheeling and Bethlehem around 725 PM EDT.
  Triadelphia around 730 PM EDT.
  Valley Grove around 735 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Bridgeport, Benwood, Brookside, Neffs, West Finley, Elm Grove, Dallas
and Sherrard.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Please report severe weather by calling 412-262-1988, posting to 
the NWS Pittsburgh Facebook page, or using Twitter @NWSPITTSBURGH. 

&&

LAT...LON 3998 8085 4011 8084 4009 8038 3989 8044
TIME...MOT...LOC 2320Z 270DEG 35KT 4005 8076 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$
240 
WWUS51 KPBZ 212327
SVSPBZ

Severe Weather Statement
National Weather Service Pittsburgh PA
727 PM EDT Thu Oct 21 2021

OHC013-PAC059-125-WVC051-069-212345-
/O.CON.KPBZ.TO.W.0024.000000T0000Z-211021T2345Z/
Belmont OH-Washington PA-Greene PA-Ohio WV-Marshall WV-
727 PM EDT Thu Oct 21 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM EDT FOR EAST
CENTRAL BELMONT...SOUTHWESTERN WASHINGTON...NORTHWESTERN GREENE...
OHIO AND MARSHALL COUNTIES...
    
At 727 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Bethlehem, moving east at 40 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Triadelphia around 730 PM EDT.
  Valley Grove around 735 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Bridgeport, Benwood, Brookside, West Finley, Elm Grove, Dallas and
Sherrard.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Please report severe weather by calling 412-262-1988, posting to 
the NWS Pittsburgh Facebook page, or using Twitter @NWSPITTSBURGH. 

&&

LAT...LON 4001 8080 4009 8078 4009 8038 3989 8044
TIME...MOT...LOC 2327Z 270DEG 35KT 4005 8067 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$
383 
WWUS51 KPBZ 212332
SVSPBZ

Severe Weather Statement
National Weather Service Pittsburgh PA
732 PM EDT Thu Oct 21 2021

OHC013-PAC059-125-WVC051-069-212345-
/O.CON.KPBZ.TO.W.0024.000000T0000Z-211021T2345Z/
Belmont OH-Washington PA-Greene PA-Ohio WV-Marshall WV-
732 PM EDT Thu Oct 21 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM EDT FOR EAST
CENTRAL BELMONT...SOUTHWESTERN WASHINGTON...NORTHWESTERN GREENE...
OHIO AND MARSHALL COUNTIES...
    
At 732 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Triadelphia, moving east at 40 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This tornadic thunderstorm will remain over mainly rural areas of
east central Belmont, southwestern Washington, northwestern Greene,
Ohio and Marshall Counties, including the following locations... West
Finley, Elm Grove, Benwood, Dallas and Sherrard.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Please report severe weather by calling 412-262-1988, posting to 
the NWS Pittsburgh Facebook page, or using Twitter @NWSPITTSBURGH. 

&&

LAT...LON 3999 8074 4009 8073 4009 8038 3989 8044
TIME...MOT...LOC 2332Z 270DEG 35KT 4005 8060 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$
434 
WWUS51 KPBZ 212337
SVSPBZ

Severe Weather Statement
National Weather Service Pittsburgh PA
737 PM EDT Thu Oct 21 2021

OHC013-212347-
/O.CAN.KPBZ.TO.W.0024.000000T0000Z-211021T2345Z/
Belmont OH-
737 PM EDT Thu Oct 21 2021

...THE TORNADO WARNING FOR EAST CENTRAL BELMONT COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

LAT...LON 4001 8066 4009 8065 4009 8038 3989 8044
TIME...MOT...LOC 2337Z 270DEG 35KT 4005 8053 

$$

PAC059-125-WVC051-069-212345-
/O.CON.KPBZ.TO.W.0024.000000T0000Z-211021T2345Z/
Washington PA-Greene PA-Ohio WV-Marshall WV-
737 PM EDT Thu Oct 21 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM EDT FOR
SOUTHWESTERN WASHINGTON...NORTHWESTERN GREENE...OHIO AND MARSHALL
COUNTIES...
    
At 737 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Valley Grove, moving east at 40 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Wheeling, Triadelphia, Valley Grove, West Finley, Dallas, and Elm
Grove.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Please report severe weather by calling 412-262-1988, posting to 
the NWS Pittsburgh Facebook page, or using Twitter @NWSPITTSBURGH. 

&&

LAT...LON 4001 8066 4009 8065 4009 8038 3989 8044
TIME...MOT...LOC 2337Z 270DEG 35KT 4005 8053 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$
594 
WWUS51 KPBZ 212344
SVSPBZ

Severe Weather Statement
National Weather Service Pittsburgh PA
744 PM EDT Thu Oct 21 2021

PAC059-125-WVC051-069-212354-
/O.EXP.KPBZ.TO.W.0024.000000T0000Z-211021T2345Z/
Washington PA-Greene PA-Ohio WV-Marshall WV-
744 PM EDT Thu Oct 21 2021

...THE TORNADO WARNING FOR SOUTHWESTERN WASHINGTON...NORTHWESTERN
GREENE...OHIO AND MARSHALL COUNTIES WILL EXPIRE AT 745 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.  However gusty
winds are still possible with this thunderstorm.

LAT...LON 4001 8066 4009 8065 4009 8038 3989 8044
TIME...MOT...LOC 2344Z 270DEG 35KT 4005 8049 

$$

The office that day

Everything else NWS Pittsburgh, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 21, 1:28 PM EDTSpecial Weather StatementPBZColumbiana32 min
Oct 21, 2:19 PM EDTSpecial Weather StatementPBZCarroll, Columbiana26 min
Oct 21, 2:50 PM EDTSpecial Weather StatementPBZColumbiana25 min
Oct 21, 4:56 PM EDTSpecial Weather StatementPBZCoshocton, Muskingum49 min
Oct 21, 5:16 PM EDTSevere Thunderstorm WarningPBZCoshocton, Tuscarawas44 min
Oct 21, 5:36 PM EDTSpecial Weather StatementPBZCarroll, Columbiana39 min
Oct 21, 5:38 PM EDTSevere Thunderstorm WarningPBZCoshocton, Guernsey, Muskingum, Tuscarawas22 min
Oct 21, 6:18 PM EDTSpecial Weather StatementPBZBelmont, Carroll, Columbiana, Guernsey, Harrison, Jefferson42 min
Oct 21, 6:25 PM EDTTornado WarningPBZBelmont, Guernsey, Harrison35 min
Oct 21, 6:36 PM EDTSpecial Weather StatementPBZMonroe39 min
Oct 21, 6:57 PM EDTTornado WarningPBZBelmont, Harrison, Jefferson33 min
Oct 21, 7:26 PM EDTTornado WarningPBZJefferson34 min
Oct 21, 4:08 PM EDTSpecial Weather StatementPBZMarshall, Ohio37 min
Oct 21, 2:03 PM EDTSevere Thunderstorm WarningPBZButler, Lawrence, Mercer, Venango27 min
Oct 21, 2:36 PM EDTSpecial Weather StatementPBZMercer, Venango24 min
Oct 21, 3:18 PM EDTSpecial Weather StatementPBZButler, Lawrence27 min
Oct 21, 3:49 PM EDTSpecial Weather StatementPBZClarion, Forest, Venango41 min
Oct 21, 4:32 PM EDTSpecial Weather StatementPBZClarion, Forest, Jefferson43 min
Oct 21, 4:47 PM EDTSpecial Weather StatementPBZAllegheny, Washington43 min
Oct 21, 5:48 PM EDTSevere Thunderstorm WarningPBZArmstrong, Indiana, Jefferson27 min
Oct 21, 6:00 PM EDTSpecial Weather StatementPBZLawrence, Mercer, Venango45 min
Oct 21, 6:42 PM EDTTornado WarningPBZMercer18 min
Oct 21, 6:56 PM EDTTornado WarningPBZBeaver, Butler, Lawrence19 min
Oct 21, 7:19 PM EDTSpecial Weather StatementPBZAllegheny, Beaver, Butler41 min
Oct 21, 7:24 PM EDTTornado WarningPBZButler36 min
Oct 21, 7:40 PM EDTTornado WarningPBZAllegheny, Beaver, Westmoreland20 min

Nearby

Tornado Warnings in West Virginia, 2021Tornado Warnings in Pennsylvania, 2021Tornado Warnings in Ohio, 2021Every tornado warning in 2021Tornadoes 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.