Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 86, NWS Pittsburgh, PA

June 30, 20214 counties in Ohio

NWS Pittsburgh, PA issued this severe thunderstorm warning at Jun 30, 2021, 12:54 PM EDT for 4 counties in Ohio. It was in force for 51 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
Jun 30, 2021, 12:54 PM EDT (16:54 UTC)
Expired
Jun 30, 2021, 1:45 PM EDT
In force
51 min
Issued by
NWS Pittsburgh, PA
Area
Storm-based polygon
Hail
0.75 in
Wind
70.0 mph

Counties Coshocton County, OH, Guernsey County, OH, Muskingum County, OH, Tuscarawas County, OH

The radar

The Pittsburgh radar (KPBZ), 129 km from the middle of the area, began a volume at 16:54 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 30, 1:00 PM EDTTSTM WND DMG3 Wsw Otsego, OHREPORT OF MULTIPLE TREES DOWN AT INTERSECTION OF LANE AND BELL RUN ROADS NEAR ADAMSVILLE. TIME ESTIMATED BASED ON RADAR.
Jun 30, 1:06 PM EDTTSTM WND DMG2 S Cambridge, OHTREES AND POWER LINES DOWN ALONG RTE 209W WEST AT BYESVILLE. ALSO TREES DOWN ON PETERS CREEK RD. AT CASTLE STATION VFD.

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 30, 11:47 AM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 4.9 hours before the alert went out and 136 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 2021-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 807 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 2021-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 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
807 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
1240 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
66 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.2

Open this sounding in Storm Lab

The text

As transmitted.

947 
WUUS51 KPBZ 301654
SVRPBZ
OHC031-059-119-157-301745-
/O.NEW.KPBZ.SV.W.0086.210630T1654Z-210630T1745Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Pittsburgh PA
1254 PM EDT Wed Jun 30 2021

The National Weather Service in Pittsburgh has issued a

* Severe Thunderstorm Warning for...
  Northwestern Guernsey County in east central Ohio...
  Southeastern Coshocton County in east central Ohio...
  Northeastern Muskingum County in east central Ohio...
  Southwestern Tuscarawas County in east central Ohio...

* Until 145 PM EDT.

* At 1253 PM EDT, a severe thunderstorm was located 8 miles north of
  New Concord, or 11 miles south of Coshocton, moving northeast at 45
  mph.

  HAZARD...Wind gusts to 70 mph.

  SOURCE...Radar.

  IMPACT...Trees snapped and uprooted. Power outages can be 
           expected.

* Locations impacted include...
  Coshocton...                      Cambridge...
  Newcomerstown...                  New Concord...
  Byesville...                      West Lafayette...
  Conesville...                     Old Washington...
  Plainfield...                     Norwich...
  Bridgeville...                    Otsego...

This includes the following highways...
  Interstate 70 in Ohio between mile markers 163 and 188.
  Interstate 77 in Ohio between mile markers 44 and 68.

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 4038 8169 4028 8142 4003 8141 3989 8182
      4020 8203
TIME...MOT...LOC 1653Z 243DEG 37KT 4011 8179 

HAIL...<.75IN
WIND...70MPH
 
$$
1 follow-up statement
158 
WWUS51 KPBZ 301718
SVSPBZ

Severe Weather Statement
National Weather Service Pittsburgh PA
118 PM EDT Wed Jun 30 2021

OHC031-059-119-157-301745-
/O.CON.KPBZ.SV.W.0086.000000T0000Z-210630T1745Z/
Guernsey OH-Coshocton OH-Muskingum OH-Tuscarawas OH-
118 PM EDT Wed Jun 30 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 PM EDT
FOR NORTHWESTERN GUERNSEY...SOUTHEASTERN COSHOCTON...NORTHEASTERN
MUSKINGUM AND SOUTHWESTERN TUSCARAWAS COUNTIES...

At 118 PM EDT, a severe thunderstorm was located near Newcomerstown,
or 11 miles west of Freeport, moving northeast 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...
Coshocton...                      Cambridge...
Newcomerstown...                  New Concord...
Byesville...                      West Lafayette...
Old Washington...                 Plainfield...
Otsego...                         Birmingham...
Boden...                          Bakersville...

This includes the following highways...
  Interstate 70 in Ohio between mile markers 170 and 188.
  Interstate 77 in Ohio between mile markers 44 and 68.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This storm has a history of producing damaging wind gusts. Move
indoors immediately 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 4038 8169 4028 8142 4003 8141 3993 8171
      4025 8192
TIME...MOT...LOC 1718Z 243DEG 37KT 4023 8149 

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

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 11:57 AM EDTSpecial Weather StatementPBZMuskingum33 min
Jun 30, 12:20 PM EDTSevere Thunderstorm WarningPBZGuernsey, Muskingum25 min
Jun 30, 12:37 PM EDTSevere Thunderstorm WarningPBZCoshocton, Guernsey, Muskingum, Noble, Tuscarawas23 min
Jun 30, 1:21 PM EDTSevere Thunderstorm WarningPBZBelmont, Guernsey, Harrison, Monroe, Noble, Tuscarawas24 min
Jun 30, 1:38 PM EDTSevere Thunderstorm WarningPBZBelmont, Guernsey, Harrison, Monroe, Noble, Tuscarawas52 min
Jun 30, 1:56 PM EDTSevere Thunderstorm WarningPBZBelmont, Harrison, Jefferson34 min
Jun 30, 2:14 PM EDTFlash Flood WarningPBZBelmont, Harrison, Jefferson2 hr
Jun 30, 2:26 PM EDTSevere Thunderstorm WarningPBZBelmont, Harrison, Jefferson49 min
Jun 30, 3:04 PM EDTSpecial Weather StatementPBZJefferson26 min
Jun 30, 4:52 PM EDTSpecial Weather StatementPBZCarroll, Columbiana23 min
Jun 30, 5:26 PM EDTSpecial Weather StatementPBZCarroll, Columbiana34 min
Jun 30, 5:58 PM EDTSevere Thunderstorm WarningPBZColumbiana, Jefferson47 min

Nearby

Severe 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.