Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 103, NWS Pittsburgh, PA

July 7, 2021Beaver County, Pennsylvania; Columbiana County, Ohio; Hancock County, West Virginia

NWS Pittsburgh, PA issued this severe thunderstorm warning at Jul 7, 2021, 2:42 PM EDT for Beaver County, Pennsylvania; Columbiana County, Ohio; Hancock County, West Virginia. It was in force for 18 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 7, 2021, 2:42 PM EDT (18:42 UTC)
Expired: Jul 7, 2021, 3:00 PM EDT
In force: 18 min
Issued by: NWS Pittsburgh, PA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Columbiana County, OH, Beaver County, PA, Hancock County, WV

The radar

The Pittsburgh radar (KPBZ), 26 km from the middle of the area, began a volume at 18:44 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, 6.7 hours before the alert went out and 40 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 505 J/kg
Mixed-layer CIN: -47 J/kg
Mixed-layer LCL: 1230 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 36 m²/s²
0-3 km storm-relative helicity: 53 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

350 
WUUS51 KPBZ 071842
SVRPBZ
OHC029-PAC007-WVC029-071900-
/O.NEW.KPBZ.SV.W.0103.210707T1842Z-210707T1900Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Pittsburgh PA
242 PM EDT Wed Jul 7 2021

The National Weather Service in Pittsburgh has issued a

* Severe Thunderstorm Warning for...
  Southeastern Columbiana County in east central Ohio...
  West central Beaver County in western Pennsylvania...
  Hancock County in northern West Virginia...

* Until 300 PM EDT.

* At 242 PM EDT, a severe thunderstorm was located near Chester, or
  near East Liverpool, and is nearly stationary.

  HAZARD...Wind gusts to 60 mph and quarter-size hail.

  SOURCE...Radar.

  IMPACT...Minor hail damage to vehicles is possible. Expect wind 
           damage to trees and power lines, resulting in some power 
           outages.

* Locations impacted include...
  East Liverpool...                 Ohioville...
  Midland...                        Chester...
  Industry...                       Shippingport...
  Georgetown...                     Hookstown...
  Glasgow...                        

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to an interior room on the lowest floor of a building.

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

&&

LAT...LON 4054 8054 4058 8058 4068 8051 4060 8040
TIME...MOT...LOC 1842Z 237DEG 4KT 4059 8051 

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

1 follow-up statement

650 
WWUS51 KPBZ 071900
SVSPBZ

Severe Weather Statement
National Weather Service Pittsburgh PA
300 PM EDT Wed Jul 7 2021

OHC029-PAC007-WVC029-071909-
/O.EXP.KPBZ.SV.W.0103.000000T0000Z-210707T1900Z/
Columbiana OH-Beaver PA-Hancock WV-
300 PM EDT Wed Jul 7 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN COLUMBIANA...WEST
CENTRAL BEAVER AND HANCOCK COUNTIES WILL EXPIRE AT 300 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 4054 8054 4058 8058 4068 8051 4060 8040
TIME...MOT...LOC 1859Z 237DEG 4KT 4060 8049 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 7, 1:36 PM EDT	Special Weather Statement	PBZ	Fayette	24 min
Jul 7, 1:57 PM EDT	Special Weather Statement	PBZ	Fayette	18 min
Jul 7, 2:01 PM EDT	Special Weather Statement	PBZ	Greene	14 min
Jul 7, 2:10 PM EDT	Special Weather Statement	PBZ	Westmoreland	20 min
Jul 7, 2:25 PM EDT	Severe Thunderstorm Warning	PBZ	Greene, Washington	20 min
Jul 7, 2:32 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Beaver, Washington	13 min
Jul 7, 2:54 PM EDT	Severe Thunderstorm Warning	PBZ	Beaver, Washington	36 min
Jul 7, 2:58 PM EDT	Special Weather Statement	PBZ	Allegheny	32 min
Jul 7, 2:59 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny	31 min
Jul 7, 3:01 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Washington	29 min
Jul 7, 3:13 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Beaver, Washington	32 min
Jul 7, 3:19 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Washington, Westmoreland	26 min
Jul 7, 3:26 PM EDT	Flash Flood Warning	PBZ	Allegheny, Armstrong, Fayette, Washington, Westmoreland	2 hr
Jul 7, 3:36 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Washington	24 min
Jul 7, 3:45 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Armstrong, Butler, Westmoreland	30 min
Jul 7, 3:47 PM EDT	Special Weather Statement	PBZ	Beaver	28 min
Jul 7, 3:53 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny	37 min
Jul 7, 4:01 PM EDT	Severe Thunderstorm Warning	PBZ	Butler	29 min
Jul 7, 4:21 PM EDT	Severe Thunderstorm Warning	PBZ	Beaver, Lawrence	39 min
Jul 7, 4:28 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Butler, Clarion	32 min
Jul 7, 4:33 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Indiana, Jefferson	27 min
Jul 7, 4:35 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Butler, Clarion, Venango	25 min
Jul 7, 4:40 PM EDT	Severe Thunderstorm Warning	PBZ	Indiana, Westmoreland	13 min
Jul 7, 4:58 PM EDT	Severe Thunderstorm Warning	PBZ	Butler, Lawrence, Mercer, Venango	47 min
Jul 7, 4:59 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Clarion, Jefferson	31 min
Jul 7, 5:01 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Indiana, Jefferson	29 min
Jul 7, 5:06 PM EDT	Severe Thunderstorm Warning	PBZ	Clarion, Forest, Jefferson	24 min
Jul 7, 5:20 PM EDT	Severe Thunderstorm Warning	PBZ	Mercer, Venango	25 min
Jul 7, 5:24 PM EDT	Areal Flood Advisory	PBZ	Allegheny, Washington, Westmoreland	111 min
Jul 7, 5:24 PM EDT	Severe Thunderstorm Warning	PBZ	Clarion, Forest, Jefferson	51 min
Jul 7, 6:40 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette, Greene	20 min
Jul 7, 7:19 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Washington	26 min
Jul 7, 7:22 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette, Greene, Washington	23 min
Jul 7, 7:33 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette, Greene, Washington	27 min
Jul 7, 7:37 PM EDT	Severe Thunderstorm Warning	PBZ	Greene	23 min
Jul 7, 2:05 PM EDT	Special Weather Statement	PBZ	Coshocton	25 min
Jul 7, 2:07 PM EDT	Special Weather Statement	PBZ	Tuscarawas	23 min
Jul 7, 2:13 PM EDT	Severe Thunderstorm Warning	PBZ	Coshocton, Tuscarawas	32 min
Jul 7, 2:44 PM EDT	Special Weather Statement	PBZ	Tuscarawas	31 min
Jul 7, 2:49 PM EDT	Severe Thunderstorm Warning	PBZ	Coshocton, Tuscarawas	41 min
Jul 7, 2:58 PM EDT	Severe Thunderstorm Warning	PBZ	Jefferson	32 min
Jul 7, 3:00 PM EDT	Special Weather Statement	PBZ	Muskingum	30 min
Jul 7, 3:32 PM EDT	Special Weather Statement	PBZ	Jefferson	28 min
Jul 7, 3:42 PM EDT	Severe Thunderstorm Warning	PBZ	Jefferson	33 min
Jul 7, 3:55 PM EDT	Severe Thunderstorm Warning	PBZ	Columbiana	50 min
Jul 7, 4:11 PM EDT	Special Weather Statement	PBZ	Jefferson	34 min
Jul 7, 4:16 PM EDT	Severe Thunderstorm Warning	PBZ	Columbiana, Jefferson	44 min
Jul 7, 5:31 PM EDT	Areal Flood Advisory	PBZ	Jefferson	119 min
Jul 7, 1:26 PM EDT	Special Weather Statement	PBZ	Monongalia	34 min
Jul 7, 1:56 PM EDT	Special Weather Statement	PBZ	Ohio	19 min
Jul 7, 2:28 PM EDT	Special Weather Statement	PBZ	Hancock	17 min
Jul 7, 2:37 PM EDT	Severe Thunderstorm Warning	PBZ	Preston, Tucker	23 min
Jul 7, 3:53 PM EDT	Flash Flood Warning	PBZ	Tucker	100 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2021 Severe Thunderstorm Warnings in Ohio, 2021 Severe Thunderstorm Warnings in West Virginia, 2021 Every 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.