Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 270, NWS Pittsburgh, PA

August 13, 20214 counties in Ohio

NWS Pittsburgh, PA issued this severe thunderstorm warning at Aug 13, 2021, 6:13 PM EDT for 4 counties in Ohio. It was in force for 47 min. 3 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, 6:13 PM EDT (22:13 UTC)
Expired: Aug 13, 2021, 7:00 PM EDT
In force: 47 min
Issued by: NWS Pittsburgh, PA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Belmont County, OH, Guernsey County, OH, Harrison County, OH, Jefferson County, OH

The radar

The Pittsburgh radar (KPBZ), 98 km from the middle of the area, began a volume at 22:13 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, 6:16 PM EDT	TSTM WND DMG	Rock Hill, OH	911 CENTER REPORTING NUMEROUS TREES DOWN IN FLUSHING TOWNSHIP. TIME ESTIMATED BASED ON RADAR.
Aug 13, 6:34 PM EDT	TSTM WND DMG	1 Se Horton, OH	REPORT OF NUMEROUS TREES DOWN IN THE AREA. TIME ESTIMATED BASED ON RADAR.
Aug 13, 6:37 PM EDT	TSTM WND DMG	Mount Pleasant, OH	MULTIPLE REPORTS OF TREES DOWN ACROSS THE COUNTY. LOCATION AND TIME ESTIMATED BASED ON RADAR.

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, 10.2 hours before the alert went out and 102 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.

681 
WUUS51 KPBZ 132213
SVRPBZ
OHC013-059-067-081-132300-
/O.NEW.KPBZ.SV.W.0270.210813T2213Z-210813T2300Z/

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

The National Weather Service in Pittsburgh has issued a

* Severe Thunderstorm Warning for...
  Southern Harrison County in east central Ohio...
  South central Jefferson County in east central Ohio...
  Northern Guernsey County in east central Ohio...
  Northern Belmont County in east central Ohio...

* Until 700 PM EDT.

* At 612 PM EDT, severe thunderstorms were located along a line
  extending from Cambridge to near Barnesville, moving east at 20
  mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Cambridge, St. Clairsville, Barnesville, Freeport, Byesville,
  Bethesda, Antrim, Flushing, Dillonvale, Quaker City, Mount
  Pleasant, and Belmont.

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 4018 8143 4021 8132 4020 8069 3994 8094
      3997 8163
TIME...MOT...LOC 2212Z 253DEG 18KT 4001 8156 4002 8116 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

RACKLEY

2 follow-up statements

871 
WWUS51 KPBZ 132231
SVSPBZ

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

OHC013-059-067-081-132300-
/O.CON.KPBZ.SV.W.0270.000000T0000Z-210813T2300Z/
Harrison OH-Jefferson OH-Guernsey OH-Belmont OH-
631 PM EDT Fri Aug 13 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT
FOR SOUTHERN HARRISON...SOUTH CENTRAL JEFFERSON...NORTHEASTERN
GUERNSEY AND NORTHERN BELMONT COUNTIES...

At 630 PM EDT, severe thunderstorms were located along a line
extending from 6 miles northeast of Byesville to 7 miles northeast of
Barnesville, moving east at 20 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
St. Clairsville, Freeport, Flushing, Dillonvale, Mount Pleasant,
Holloway, New Athens, Morristown, Harrisville, Piedmont, Piedmont
Lake, and Barkcamp State Park.

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 4015 8134 4021 8132 4020 8069 3999 8089
      4012 8120
TIME...MOT...LOC 2230Z 253DEG 18KT 4004 8145 4005 8105 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

RACKLEY

362 
WWUS51 KPBZ 132241
SVSPBZ

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

OHC059-132251-
/O.CAN.KPBZ.SV.W.0270.000000T0000Z-210813T2300Z/
Guernsey OH-
641 PM EDT Fri Aug 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN GUERNSEY COUNTY
IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

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

LAT...LON 4015 8087 4020 8093 4020 8069 4009 8080
      4011 8082
TIME...MOT...LOC 2241Z 253DEG 18KT 4005 8139 4006 8099 

$$

OHC013-067-081-132300-
/O.CON.KPBZ.SV.W.0270.000000T0000Z-210813T2300Z/
Harrison OH-Jefferson OH-Belmont OH-
641 PM EDT Fri Aug 13 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT
FOR SOUTHEASTERN HARRISON...SOUTH CENTRAL JEFFERSON AND NORTHEASTERN
BELMONT COUNTIES...

At 641 PM EDT, severe thunderstorms were located along a line
extending from 10 miles northeast of Byesville to near St.
Clairsville, moving east at 20 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...
Dillonvale, Mount Pleasant, and Harrisville. 

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 4015 8087 4020 8093 4020 8069 4009 8080
      4011 8082
TIME...MOT...LOC 2241Z 253DEG 18KT 4005 8139 4006 8099 

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

$$

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, 6:39 PM EDT	Severe Thunderstorm Warning	PBZ	Belmont, Harrison, Jefferson	27 min
Aug 13, 6:56 PM EDT	Severe Thunderstorm Warning	PBZ	Jefferson	49 min

Nearby

Severe Thunderstorm Warnings in Ohio, 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.