Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 271, NWS Pittsburgh, PA

August 13, 2021Belmont County, Harrison County, Jefferson County, Ohio; Brooke County, Ohio County, West Virginia

NWS Pittsburgh, PA issued this severe thunderstorm warning at Aug 13, 2021, 6:39 PM EDT for Belmont County, Harrison County, Jefferson County, Ohio; Brooke County, Ohio County, West Virginia. It was in force for 27 min. 2 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: Aug 13, 2021, 6:39 PM EDT (22:39 UTC)
Expired: Aug 13, 2021, 7:06 PM EDT
In force: 27 min
Issued by: NWS Pittsburgh, PA
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Belmont County, OH, Harrison County, OH, Jefferson County, OH, Brooke County, WV, Ohio County, WV

The radar

The Pittsburgh radar (KPBZ), 60 km from the middle of the area, began a volume at 22:40 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

Time	Report	Where	Remark
Aug 13, 6:48 PM EDT	TSTM WND DMG	Smithfield, OH	MULTIPLE REPORTS OF TREES DOWN ACROSS THE COUNTY. LOCATION AND TIME ESTIMATED BASED ON RADAR.
Aug 13, 6:50 PM EDT	TSTM WND DMG	New Alexandria, OH

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.

Issued	Product	Office	Lasted
Aug 13, 4:46 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 10.7 hours before the alert went out and 61 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: 1595 J/kg
Mixed-layer CIN: -43 J/kg
Mixed-layer LCL: 800 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 133 m²/s²
0-3 km storm-relative helicity: 156 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

702 
WUUS51 KPBZ 132239
SVRPBZ
OHC013-067-081-WVC009-069-132330-
/O.NEW.KPBZ.SV.W.0271.210813T2239Z-210813T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Pittsburgh PA
639 PM EDT Fri Aug 13 2021

The National Weather Service in Pittsburgh has issued a

* Severe Thunderstorm Warning for...
  Southeastern Harrison County in east central Ohio...
  Southern Jefferson County in east central Ohio...
  Northeastern Belmont County in east central Ohio...
  Ohio County in northern West Virginia...
  Brooke County in northern West Virginia...

* Until 730 PM EDT.

* At 639 PM EDT, a severe thunderstorm was located near Tiltonsville,
  or near Clearview, moving east at 25 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Wheeling, Martins Ferry, Cadiz, Warwood, West Liberty, Clearview,
  Wintersville, Tiltonsville, Bridgeport, Yorkville, Bethany, and
  Smithfield.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection 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 4006 8077 4025 8098 4038 8072 4016 8052
TIME...MOT...LOC 2239Z 258DEG 21KT 4021 8078 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

RACKLEY

1 follow-up statement

134 
WWUS51 KPBZ 132306
SVSPBZ

Severe Weather Statement
National Weather Service Pittsburgh PA
706 PM EDT Fri Aug 13 2021

OHC013-067-081-WVC009-069-132316-
/O.CAN.KPBZ.SV.W.0271.000000T0000Z-210813T2330Z/
Harrison OH-Jefferson OH-Belmont OH-Ohio WV-Brooke WV-
706 PM EDT Fri Aug 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HARRISON...
SOUTHERN JEFFERSON...NORTHEASTERN BELMONT...OHIO AND BROOKE COUNTIES
IS CANCELLED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.

A Severe Thunderstorm Watch remains in effect until 1100 PM EDT for
east central Ohio...and northern West Virginia.

LAT...LON 4006 8077 4025 8098 4038 8072 4016 8052
TIME...MOT...LOC 2303Z 258DEG 21KT 4024 8058 

$$

RACKLEY

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 12, 8:36 PM EDT	Flash Flood Warning	PBZ	Jefferson	3 hr
Aug 12, 8:39 PM EDT	Severe Thunderstorm Warning	PBZ	Jefferson	51 min
Aug 12, 9:00 PM EDT	Severe Thunderstorm Warning	PBZ	Carroll, Columbiana, Harrison, Jefferson, Tuscarawas	60 min
Aug 12, 11:26 PM EDT	Special Weather Statement	PBZ	Noble	34 min
Aug 12, 11:29 PM EDT	Special Weather Statement	PBZ	Harrison	46 min
Aug 12, 11:43 PM EDT	Areal Flood Warning	PBZ	Jefferson	92 min
Aug 13, 4:51 PM EDT	Special Weather Statement	PBZ	Muskingum	39 min
Aug 13, 5:07 PM EDT	Special Weather Statement	PBZ	Noble	38 min
Aug 13, 5:13 PM EDT	Severe Thunderstorm Warning	PBZ	Monroe, Noble	47 min
Aug 13, 5:19 PM EDT	Special Weather Statement	PBZ	Columbiana	26 min
Aug 13, 5:24 PM EDT	Severe Thunderstorm Warning	PBZ	Columbiana	39 min
Aug 13, 5:29 PM EDT	Severe Thunderstorm Warning	PBZ	Noble	31 min
Aug 13, 5:36 PM EDT	Special Weather Statement	PBZ	Muskingum	39 min
Aug 13, 5:45 PM EDT	Severe Thunderstorm Warning	PBZ	Guernsey, Muskingum	45 min
Aug 13, 5:56 PM EDT	Severe Thunderstorm Warning	PBZ	Belmont, Guernsey, Noble	34 min
Aug 13, 6:13 PM EDT	Severe Thunderstorm Warning	PBZ	Belmont, Guernsey, Harrison, Jefferson	47 min
Aug 13, 6:56 PM EDT	Severe Thunderstorm Warning	PBZ	Jefferson	49 min
Aug 12, 10:27 PM EDT	Special Weather Statement	PBZ	Monongalia	48 min
Aug 12, 11:20 PM EDT	Special Weather Statement	PBZ	Preston	25 min
Aug 13, 5:04 PM EDT	Special Weather Statement	PBZ	Wetzel	41 min
Aug 13, 5:39 PM EDT	Special Weather Statement	PBZ	Marshall	36 min
Aug 13, 6:25 PM EDT	Special Weather Statement	PBZ	Hancock	35 min
Aug 13, 7:22 PM EDT	Severe Thunderstorm Warning	PBZ	Hancock	53 min
Aug 13, 7:53 PM EDT	Special Weather Statement	PBZ	Tucker	37 min

Nearby

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.