Alert archive / West Virginia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 65, NWS Pittsburgh, PA

June 21, 2021Brooke County, Hancock County, Ohio County, West Virginia; Harrison County, Jefferson County, Ohio; Allegheny County, Beaver County, Washington County, Pennsylvania

NWS Pittsburgh, PA issued this severe thunderstorm warning at Jun 21, 2021, 3:00 PM EDT for Brooke County, Hancock County, Ohio County, West Virginia; Harrison County, Jefferson County, Ohio; Allegheny County, Beaver County, Washington County, Pennsylvania. It was in force for 30 min. 6 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
Jun 21, 2021, 3:00 PM EDT (19:00 UTC)
Expired
Jun 21, 2021, 3:30 PM EDT
In force
30 min
Issued by
NWS Pittsburgh, PA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Harrison County, OH, Jefferson County, OH, Allegheny County, PA, Beaver County, PA, Washington County, PA, Brooke County, WV, Hancock County, WV, Ohio County, WV

The radar

The Pittsburgh radar (KPBZ), 27 km from the middle of the area, began a volume at 19:02 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
Jun 21, 3:05 PM EDTTSTM WND DMGSteubenville, OHTREE DOWN ON PARKED CARS ALONG SUNSET BLVD IN STEUBENVILLE.
Jun 21, 3:07 PM EDTTSTM WND DMGMarland Heights, WVNUMEROUS TREES SNAPPED AND UPROOTED.
Jun 21, 3:09 PM EDTTSTM WND DMGSteubenville, OHTREE FELL ON CAR; DAMAGE WAS DONE TO A BILLBOARD.
Jun 21, 3:10 PM EDTTSTM WND DMG1 N Weirton, WVTREES DOWN ON GREENBRIER ROAD
Jun 21, 3:10 PM EDTTSTM WND DMGWeirton, WVTREE DOWN ON OAK STREET
Jun 21, 3:17 PM EDTTSTM WND DMGBeech Bottom, WVPOWER LINES DOWN ON PARK AVE

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
Jun 21, 12:31 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 7.0 hours before the alert went out and 31 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 2021-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 931 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 2021-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 260 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
931 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
988 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
260 m²/s²
0-3 km storm-relative helicity
277 m²/s²
Significant tornado parameter
1.0
Supercell composite
5.1

Open this sounding in Storm Lab

The text

As transmitted.

134 
WUUS51 KPBZ 211900
SVRPBZ
OHC067-081-PAC003-007-125-WVC009-029-069-211930-
/O.NEW.KPBZ.SV.W.0065.210621T1900Z-210621T1930Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Pittsburgh PA
300 PM EDT Mon Jun 21 2021

The National Weather Service in Pittsburgh has issued a

* Severe Thunderstorm Warning for...
  East central Harrison County in east central Ohio...
  Jefferson County in east central Ohio...
  Southwestern Beaver County in western Pennsylvania...
  Northwestern Washington County in southwestern Pennsylvania...
  West central Allegheny County in southwestern Pennsylvania...
  Ohio County in northern West Virginia...
  Brooke County in northern West Virginia...
  Hancock County in northern West Virginia...

* Until 330 PM EDT.

* At 300 PM EDT, severe thunderstorms were located along a line
  extending from near New Cumberland to Wintersville to 6 miles east
  of Cadiz, moving east at 40 mph.

  HAZARD...Wind gusts to 60 mph.

  SOURCE...Radar.

  IMPACT...Expect damage to trees and power lines, resulting in some 
           power outages.

* Locations impacted include...
  Weirton...                        Steubenville...
  Cadiz...                          Wellsburg...
  West Liberty...                   Avella...
  Robinson Township...              Cecil-Bishop...
  Kennedy Township...               Toronto...
  Wintersville...                   Mingo Junction...

This includes the following highways...
  Interstate 79 in Pennsylvania between mile markers 60 and 62.
  Interstate 376 in Pennsylvania between mile markers 52 and 63.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter indoors and stay away from windows.

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

&&

LAT...LON 4047 8010 4035 8013 4014 8040 4023 8100
      4039 8079 4058 8071
TIME...MOT...LOC 1900Z 273DEG 37KT 4050 8072 4039 8074 4028 8088 

HAIL...<.75IN
WIND...60MPH
 
$$
1 follow-up statement
680 
WWUS51 KPBZ 211917
SVSPBZ

Severe Weather Statement
National Weather Service Pittsburgh PA
317 PM EDT Mon Jun 21 2021

OHC067-211926-
/O.CAN.KPBZ.SV.W.0065.000000T0000Z-210621T1930Z/
Harrison OH-
317 PM EDT Mon Jun 21 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL HARRISON COUNTY
IS CANCELLED...

The storms 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 800 PM EDT for
east central Ohio...western and southwestern Pennsylvania...and
northern West Virginia.

LAT...LON 4047 8010 4035 8013 4014 8040 4020 8077
      4039 8066 4056 8058
TIME...MOT...LOC 1916Z 273DEG 37KT 4049 8052 4038 8054 4027 8068 

$$

OHC081-PAC003-007-125-WVC009-029-069-211930-
/O.CON.KPBZ.SV.W.0065.000000T0000Z-210621T1930Z/
Jefferson OH-Beaver PA-Washington PA-Allegheny PA-Ohio WV-Brooke WV-
Hancock WV-
317 PM EDT Mon Jun 21 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM EDT
FOR SOUTHEASTERN JEFFERSON...SOUTHWESTERN BEAVER...NORTHWESTERN
WASHINGTON...WEST CENTRAL ALLEGHENY...OHIO...BROOKE AND HANCOCK
COUNTIES...

At 316 PM EDT, severe thunderstorms were located along a line
extending from near New Cumberland to near Weirton to near Wellsburg,
moving east at 45 mph.

HAZARD...Wind gusts to 60 mph.

SOURCE...Radar.

IMPACT...Expect damage to trees and power lines, resulting in some 
         power outages.

Locations impacted include...
Weirton...                        Steubenville...
Wellsburg...                      West Liberty...
Avella...                         Robinson Township...
Cecil-Bishop...                   Kennedy Township...
Toronto...                        Wintersville...
Mingo Junction...                 Follansbee...

This includes the following highways...
  Interstate 79 in Pennsylvania between mile markers 60 and 62.
  Interstate 376 in Pennsylvania between mile markers 52 and 63.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter indoors and stay away from windows.

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

&&

LAT...LON 4047 8010 4035 8013 4014 8040 4020 8077
      4039 8066 4056 8058
TIME...MOT...LOC 1916Z 273DEG 37KT 4049 8052 4038 8054 4027 8068 

HAIL...<.75IN
WIND...60MPH
 
$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 1:24 PM EDTSpecial Weather StatementPBZMarion36 min
Jun 21, 1:51 PM EDTSpecial Weather StatementPBZPreston24 min
Jun 21, 1:57 PM EDTSevere Thunderstorm WarningPBZHancock48 min
Jun 21, 2:08 PM EDTSevere Thunderstorm WarningPBZPreston22 min
Jun 21, 2:21 PM EDTSevere Thunderstorm WarningPBZHancock24 min
Jun 21, 2:37 PM EDTSevere Thunderstorm WarningPBZHancock23 min
Jun 21, 3:29 PM EDTSevere Thunderstorm WarningPBZBrooke, Ohio46 min
Jun 21, 3:53 PM EDTSevere Thunderstorm WarningPBZBrooke, Marshall, Ohio37 min
Jun 21, 4:19 PM EDTSevere Thunderstorm WarningPBZMarshall, Monongalia, Ohio, Wetzel41 min
Jun 21, 4:57 PM EDTSevere Thunderstorm WarningPBZMarshall29 min
Jun 21, 5:05 PM EDTAreal Flood AdvisoryPBZMarshall3 hr
Jun 21, 5:08 PM EDTAreal Flood AdvisoryPBZMarion, Monongalia, Preston, Wetzel3 hr
Jun 21, 5:41 PM EDTSpecial Weather StatementPBZMarion, Monongalia34 min
Jun 21, 6:07 PM EDTSevere Thunderstorm WarningPBZMarion, Monongalia, Preston23 min
Jun 21, 6:12 PM EDTAreal Flood AdvisoryPBZMarshall, Ohio2 hr
Jun 21, 6:26 PM EDTSpecial Weather StatementPBZPreston34 min
Jun 21, 6:39 PM EDTAreal Flood AdvisoryPBZBrooke, Marshall, Ohio2 hr
Jun 21, 6:56 PM EDTFlash Flood WarningPBZMonongalia2 hr
Jun 21, 7:46 PM EDTAreal Flood WarningPBZMarion, Monongalia, Preston, Wetzel3 hr
Jun 21, 7:27 AM EDTSpecial Weather StatementPBZColumbiana33 min
Jun 21, 1:09 PM EDTSpecial Weather StatementPBZCarroll, Columbiana, Coshocton, Tuscarawas36 min
Jun 21, 1:33 PM EDTSevere Thunderstorm WarningPBZCarroll, Columbiana, Tuscarawas27 min
Jun 21, 1:45 PM EDTSpecial Weather StatementPBZCarroll, Coshocton, Tuscarawas30 min
Jun 21, 2:33 PM EDTSpecial Weather StatementPBZHarrison, Jefferson42 min
Jun 20, 8:55 PM EDTSpecial Weather StatementPBZArmstrong20 min
Jun 21, 2:15 PM EDTSevere Thunderstorm WarningPBZMercer, Venango30 min
Jun 21, 2:45 PM EDTSevere Thunderstorm WarningPBZForest, Venango30 min
Jun 21, 2:51 PM EDTTornado WarningPBZAllegheny, Beaver, Butler9 min
Jun 21, 2:55 PM EDTSevere Thunderstorm WarningPBZAllegheny, Armstrong, Beaver, Butler, Westmoreland35 min
Jun 21, 2:58 PM EDTTornado WarningPBZAllegheny, Butler17 min
Jun 21, 3:21 PM EDTSevere Thunderstorm WarningPBZAllegheny, Armstrong, Butler, Indiana, Westmoreland24 min
Jun 21, 3:25 PM EDTSevere Thunderstorm WarningPBZAllegheny, Beaver, Westmoreland35 min
Jun 21, 3:37 PM EDTSevere Thunderstorm WarningPBZAllegheny, Armstrong, Indiana, Jefferson, Westmoreland23 min
Jun 21, 3:45 PM EDTSevere Thunderstorm WarningPBZAllegheny, Armstrong, Indiana, Westmoreland45 min
Jun 21, 3:47 PM EDTSpecial Weather StatementPBZWashington28 min
Jun 21, 3:55 PM EDTAreal Flood AdvisoryPBZAllegheny, Westmoreland111 min
Jun 21, 3:55 PM EDTSevere Thunderstorm WarningPBZArmstrong, Indiana, Westmoreland35 min
Jun 21, 3:57 PM EDTSevere Thunderstorm WarningPBZArmstrong, Clarion, Jefferson33 min
Jun 21, 4:05 PM EDTSevere Thunderstorm WarningPBZAllegheny, Fayette, Washington, Westmoreland25 min
Jun 21, 4:13 PM EDTSevere Thunderstorm WarningPBZIndiana, Westmoreland32 min
Jun 21, 4:18 PM EDTSevere Thunderstorm WarningPBZFayette, Greene, Washington, Westmoreland27 min
Jun 21, 4:27 PM EDTSevere Thunderstorm WarningPBZIndiana, Westmoreland33 min
Jun 21, 4:28 PM EDTSevere Thunderstorm WarningPBZFayette, Westmoreland32 min
Jun 21, 4:41 PM EDTSevere Thunderstorm WarningPBZFayette, Greene, Washington, Westmoreland49 min
Jun 21, 4:43 PM EDTSevere Thunderstorm WarningPBZIndiana, Westmoreland32 min
Jun 21, 5:03 PM EDTTornado WarningPBZGreene6 min
Jun 21, 6:43 PM EDTSpecial Weather StatementPBZFayette32 min
Jun 21, 7:23 PM EDTFlash Flood WarningPBZAllegheny, Fayette, Washington, Westmoreland3 hr

Nearby

Severe Thunderstorm Warnings in West Virginia, 2021Severe Thunderstorm Warnings in Pennsylvania, 2021Severe Thunderstorm Warnings in Ohio, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.