Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 211, NWS Pittsburgh, PA

August 10, 20216 counties in Ohio

NWS Pittsburgh, PA issued this severe thunderstorm warning at Aug 10, 2021, 12:00 PM EDT for 6 counties in Ohio. It was in force for 45 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 10, 2021, 12:00 PM EDT (16:00 UTC)
Expired: Aug 10, 2021, 12:45 PM EDT
In force: 45 min
Issued by: NWS Pittsburgh, PA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Carroll County, OH, Columbiana County, OH, Coshocton County, OH, Harrison County, OH, Jefferson County, OH, Tuscarawas County, OH

The radar

The Pittsburgh radar (KPBZ), 86 km from the middle of the area, began a volume at 16:02 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

Time	Report	Where	Remark
Aug 10, 12:12 PM EDT	TSTM WND DMG	Dellroy, OH	NUMEROUS TREES AND POWER LINES REPORTED DOWN AROUND TOWN.
Aug 10, 12:15 PM EDT	TSTM WND DMG	2 Ne Carrollton, OH	NUMEROUS TREES AND POWER LINES DOWN THROUGHOUT WASWHINGTON TOWNSHIP.
Aug 10, 12:20 PM EDT	TSTM WND DMG	Salineville, OH	TREES AND POWERLINES DOWN.

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

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 4.0 hours before the alert went out and 96 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: 521 J/kg
Mixed-layer CIN: -57 J/kg
Mixed-layer LCL: 727 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 170 m²/s²
0-3 km storm-relative helicity: 155 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

Open this sounding in Storm Lab

The text

As transmitted.

339 
WUUS51 KPBZ 101600
SVRPBZ
OHC019-029-031-067-081-157-101645-
/O.NEW.KPBZ.SV.W.0211.210810T1600Z-210810T1645Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Pittsburgh PA
1200 PM EDT Tue Aug 10 2021

The National Weather Service in Pittsburgh has issued a

* Severe Thunderstorm Warning for...
  Northwestern Harrison County in east central Ohio...
  Northwestern Jefferson County in east central Ohio...
  Southeastern Columbiana County in east central Ohio...
  Northeastern Coshocton County in east central Ohio...
  Carroll County in east central Ohio...
  Central Tuscarawas County in east central Ohio...

* Until 1245 PM EDT.

* At 1159 AM EDT, severe thunderstorms were located along a line
  extending from near Carrollton to 6 miles southwest of New
  Philadelphia, moving east at 25 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...
  New Philadelphia, Uhrichsville, Carrollton, Calcutta, Dennison,
  Salineville, Gnadenhutten, Tuscarawas, Scio, Midvale, Bergholz, and
  Amsterdam.

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 4036 8167 4067 8116 4069 8054 4032 8110
TIME...MOT...LOC 1559Z 265DEG 21KT 4062 8116 4042 8153 

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

$$

2 follow-up statements

934 
WWUS51 KPBZ 101616
SVSPBZ

Severe Weather Statement
National Weather Service Pittsburgh PA
1216 PM EDT Tue Aug 10 2021

OHC019-029-031-067-081-157-101645-
/O.CON.KPBZ.SV.W.0211.000000T0000Z-210810T1645Z/
Harrison OH-Jefferson OH-Columbiana OH-Coshocton OH-Carroll OH-
Tuscarawas OH-
1216 PM EDT Tue Aug 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 PM EDT
FOR NORTHWESTERN HARRISON...NORTHWESTERN JEFFERSON...SOUTHEASTERN
COLUMBIANA...NORTHEASTERN COSHOCTON...CARROLL AND CENTRAL TUSCARAWAS
COUNTIES...

At 1216 PM EDT, severe thunderstorms were located along a line
extending from near Carrollton to near Uhrichsville, moving east at
30 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...
New Philadelphia, Uhrichsville, Carrollton, Calcutta, Dennison,
Salineville, Gnadenhutten, Tuscarawas, Scio, Midvale, Bergholz, and
Amsterdam.

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 4036 8167 4067 8116 4069 8054 4032 8110
TIME...MOT...LOC 1616Z 270DEG 27KT 4061 8102 4041 8139 

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

$$

802 
WWUS51 KPBZ 101637
SVSPBZ

Severe Weather Statement
National Weather Service Pittsburgh PA
1237 PM EDT Tue Aug 10 2021

OHC019-029-031-067-081-157-101647-
/O.EXP.KPBZ.SV.W.0211.000000T0000Z-210810T1645Z/
Harrison OH-Jefferson OH-Columbiana OH-Coshocton OH-Carroll OH-
Tuscarawas OH-
1237 PM EDT Tue Aug 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN HARRISON...
NORTHWESTERN JEFFERSON...SOUTHEASTERN COLUMBIANA...NORTHEASTERN
COSHOCTON...CARROLL AND CENTRAL TUSCARAWAS COUNTIES WILL EXPIRE AT
1245 PM EDT...
    
The storms which prompted the warning have weakened below severe
limits, and have exited the warned area. Therefore, the warning will
be allowed to expire.  However gusty winds are still possible with
these thunderstorms.

LAT...LON 4036 8167 4067 8116 4069 8054 4032 8110
TIME...MOT...LOC 1637Z 265DEG 21KT 4062 8088 4042 8125 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 10, 9:16 AM EDT	Special Weather Statement	PBZ	Coshocton	29 min
Aug 10, 11:05 AM EDT	Severe Thunderstorm Warning	PBZ	Tuscarawas	25 min
Aug 10, 11:07 AM EDT	Severe Thunderstorm Warning	PBZ	Coshocton	23 min
Aug 10, 11:28 AM EDT	Severe Thunderstorm Warning	PBZ	Carroll, Tuscarawas	32 min
Aug 10, 11:30 AM EDT	Severe Thunderstorm Warning	PBZ	Coshocton, Tuscarawas	30 min
Aug 10, 12:07 PM EDT	Special Weather Statement	PBZ	Guernsey, Harrison, Muskingum, Noble	53 min
Aug 10, 12:39 PM EDT	Special Weather Statement	PBZ	Jefferson	36 min
Aug 10, 12:42 PM EDT	Special Weather Statement	PBZ	Harrison	33 min
Aug 10, 12:59 PM EDT	Severe Thunderstorm Warning	PBZ	Belmont, Guernsey, Harrison, Tuscarawas	46 min
Aug 10, 1:44 PM EDT	Severe Thunderstorm Warning	PBZ	Belmont, Guernsey, Monroe, Noble	31 min
Aug 10, 2:12 PM EDT	Severe Thunderstorm Warning	PBZ	Belmont, Guernsey, Monroe, Noble	48 min
Aug 10, 2:47 PM EDT	Severe Thunderstorm Warning	PBZ	Monroe	43 min
Aug 10, 3:31 PM EDT	Special Weather Statement	PBZ	Monroe	29 min
Aug 10, 4:01 PM EDT	Special Weather Statement	PBZ	Monroe	29 min
Aug 10, 4:17 PM EDT	Severe Thunderstorm Warning	PBZ	Monroe	13 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.