Alert archive / West Virginia / Tornado Warnings in 2021

Tornado Warning 13, NWS Pittsburgh, PA

July 29, 2021Jefferson County, Ohio; Brooke County, Hancock County, West Virginia

NWS Pittsburgh, PA issued this tornado warning at Jul 29, 2021, 5:39 PM EDT for Jefferson County, Ohio; Brooke County, Hancock County, West Virginia. It was in force for 21 min. 4 reports 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
Jul 29, 2021, 5:39 PM EDT (21:39 UTC)
Expired
Jul 29, 2021, 6:00 PM EDT
In force
21 min
Issued by
NWS Pittsburgh, PA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Jefferson County, OH, Brooke County, WV, Hancock County, WV

The radar

The Pittsburgh radar (KPBZ), 47 km from the middle of the area, began a volume at 21:41 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
Jul 29, 5:40 PM EDTTSTM WND DMG2 Ene Lake Lodge, OHWIDESPREAD DAMAGE WITH UTILITY LINES AND TREES DOWN BEING REPORTED ACROSS JEFFERSON COUNTY, OH.
Jul 29, 5:50 PM EDTTSTM WND DMGWintersville, OHREPORT OF NUMEROUS TREES DOWN, WINDOWS BROKEN, COLLAPSED ROOF AND HOME ON BANTAM RIDGE IN WINTERSVILLE.
Jul 29, 5:50 PM EDTTORNADOWintersville, OHNWS STORM SURVEY DETECTED EF1 DAMAGE SW OF WINTERSVILLE, OH, WHERE BOTH HARDWOOD AND SOFTWOOD TREES WERE SNAPPED, AND DAMAGE TO RESIDENTIAL PROPERTY AND FARM OUTBUILDINGS OCCURRED. TIME BASED ON RADAR.
Jul 29, 5:59 PM EDTTORNADONew Alexandria, OHTORNADO REPORTED SEEN ON THE GROUND IN NEW ALEXANDRIA PARTIALLY WRAPPED IN RAIN BANDS.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 29, 3:13 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 9.7 hours before the alert went out and 54 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.

585 
WFUS51 KPBZ 292139
TORPBZ
OHC081-WVC009-029-292200-
/O.NEW.KPBZ.TO.W.0013.210729T2139Z-210729T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Pittsburgh PA
539 PM EDT Thu Jul 29 2021

The National Weather Service in Pittsburgh has issued a

* Tornado Warning for...
  Central Jefferson County in east central Ohio...
  Brooke County in northern West Virginia...
  Hancock County in northern West Virginia...

* Until 600 PM EDT.
    
* At 538 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Wintersville, or 7 miles northwest of
  Steubenville, moving southeast at 35 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...
  Wintersville around 545 PM EDT.
  Steubenville, Mingo Junction and Follansbee around 555 PM EDT.

Other locations impacted by this tornadic thunderstorm include New
Alexandria, East Steubenville, Brentwood, Richmond and Smithfield.

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 4044 8085 4049 8077 4037 8057 4029 8064
      4025 8076
TIME...MOT...LOC 2138Z 320DEG 29KT 4042 8078 

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

$$
2 follow-up statements
408 
WWUS51 KPBZ 292142
SVSPBZ

Severe Weather Statement
National Weather Service Pittsburgh PA
542 PM EDT Thu Jul 29 2021

OHC081-WVC009-029-292200-
/O.CON.KPBZ.TO.W.0013.000000T0000Z-210729T2200Z/
Jefferson OH-Brooke WV-Hancock WV-
542 PM EDT Thu Jul 29 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM EDT FOR CENTRAL
JEFFERSON...BROOKE AND HANCOCK COUNTIES...
        
At 542 PM EDT, a confirmed tornado was located over Wintersville, or
near Steubenville, moving southeast at 35 mph.

HAZARD...Damaging tornado.

SOURCE...Radar confirmed tornado.

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 tornado will be near...
  Steubenville around 550 PM EDT.
  Mingo Junction and Follansbee around 555 PM EDT.

Other locations impacted by this tornadic thunderstorm include New
Alexandria, East Steubenville, Brentwood, Richmond and Smithfield.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 4042 8084 4047 8075 4037 8057 4029 8064
      4025 8076
TIME...MOT...LOC 2142Z 320DEG 29KT 4039 8074 

TORNADO...OBSERVED
HAIL...<.75IN

$$
468 
WWUS51 KPBZ 292147
SVSPBZ

Severe Weather Statement
National Weather Service Pittsburgh PA
547 PM EDT Thu Jul 29 2021

WVC029-292157-
/O.CAN.KPBZ.TO.W.0013.000000T0000Z-210729T2200Z/
Hancock WV-
547 PM EDT Thu Jul 29 2021

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

A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
east central Ohio...and northern West Virginia.

LAT...LON 4037 8079 4042 8072 4037 8057 4029 8064
      4025 8076
TIME...MOT...LOC 2147Z 320DEG 29KT 4036 8070 

$$

OHC081-WVC009-292200-
/O.CON.KPBZ.TO.W.0013.000000T0000Z-210729T2200Z/
Jefferson OH-Brooke WV-
547 PM EDT Thu Jul 29 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM EDT FOR
SOUTHEASTERN JEFFERSON AND BROOKE COUNTIES...
        
At 547 PM EDT, a confirmed tornado was located over Wintersville, or
over Steubenville, moving southeast at 35 mph.

HAZARD...Damaging tornado.

SOURCE...Radar confirmed tornado.

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 tornado will be near...
  Mingo Junction and Follansbee around 555 PM EDT.

Other locations impacted by this tornadic thunderstorm include New
Alexandria, East Steubenville, Brentwood and Smithfield.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 4037 8079 4042 8072 4037 8057 4029 8064
      4025 8076
TIME...MOT...LOC 2147Z 320DEG 29KT 4036 8070 

TORNADO...OBSERVED
HAIL...<.75IN

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 29, 3:18 PM EDTSpecial Weather StatementPBZMuskingum27 min
Jul 29, 3:31 PM EDTSevere Thunderstorm WarningPBZCoshocton, Guernsey, Muskingum44 min
Jul 29, 4:05 PM EDTSpecial Weather StatementPBZColumbiana25 min
Jul 29, 4:12 PM EDTSevere Thunderstorm WarningPBZGuernsey, Monroe, Muskingum, Noble48 min
Jul 29, 4:15 PM EDTSpecial Weather StatementPBZGuernsey45 min
Jul 29, 4:20 PM EDTSpecial Weather StatementPBZHarrison25 min
Jul 29, 4:30 PM EDTSevere Thunderstorm WarningPBZCarroll, Columbiana, Jefferson45 min
Jul 29, 4:48 PM EDTSevere Thunderstorm WarningPBZBelmont, Harrison, Jefferson14 min
Jul 29, 4:53 PM EDTTornado WarningPBZBelmont, Harrison, Jefferson22 min
Jul 29, 4:54 PM EDTSevere Thunderstorm WarningPBZMonroe, Noble36 min
Jul 29, 5:02 PM EDTTornado WarningPBZCarroll, Columbiana, Jefferson13 min
Jul 29, 5:14 PM EDTTornado WarningPBZCarroll, Columbiana, Jefferson16 min
Jul 29, 5:24 PM EDTSevere Thunderstorm WarningPBZBelmont, Jefferson36 min
Jul 29, 5:28 PM EDTSevere Thunderstorm WarningPBZHarrison, Jefferson47 min
Jul 29, 5:37 PM EDTSevere Thunderstorm WarningPBZBelmont, Monroe, Noble38 min
Jul 29, 5:59 PM EDTTornado Warning Tornado observedPBZJefferson31 min
Jul 29, 6:12 PM EDTSevere Thunderstorm WarningPBZHarrison, Jefferson48 min
Jul 29, 6:36 PM EDTSevere Thunderstorm WarningPBZBelmont, Harrison, Jefferson24 min
Jul 29, 5:48 PM EDTTornado WarningPBZMarshall, Ohio27 min
Jul 29, 6:08 PM EDTSevere Thunderstorm WarningPBZPreston52 min
Jul 29, 6:32 PM EDTSevere Thunderstorm WarningPBZMarion, Monongalia28 min
Jul 29, 7:00 PM EDTSevere Thunderstorm WarningPBZBrooke, Ohio45 min

Nearby

Tornado Warnings in West Virginia, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.