Alert archive / Ohio / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 83, NWS Pittsburgh, PA

July 29, 20234 counties in Ohio

NWS Pittsburgh, PA issued this severe thunderstorm warning at Jul 29, 2023, 2:37 AM EDT for 4 counties in Ohio. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 29, 2023, 2:37 AM EDT (06:37 UTC)
Expired: Jul 29, 2023, 3:15 AM EDT
In force: 38 min
Issued by: NWS Pittsburgh, PA
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

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

The radar

The Pittsburgh radar (KPBZ), 132 km from the middle of the area, began a volume at 06:39 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 00:00Z, 6.6 hours before the alert went out and 139 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: 2554 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 764 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 21 m²/s²
0-3 km storm-relative helicity: 38 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Pittsburgh, PA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 29, 1:37 AM EDT, 1 hour earlier.

Area forecast discussion, Jul 29, 1:37 AM EDT, 1 hour before

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Hazardous weather outlook, Jul 28, 5:38 PM EDT, 8 hours 59 minutes before

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In the hours before

Special weather statement, Jul 28, 8:50 PM EDT, 5 hours 47 minutes before

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<body>
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      <div class="status" id="status">Temporary Notice</div>
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Special weather statement, Jul 29, 2:19 AM EDT, 18 minutes before

Special Weather Statement
National Weather Service Pittsburgh PA
219 AM EDT Sat Jul 29 2023

OHZ039-048-057-058-290700-
Guernsey OH-Tuscarawas OH-Coshocton OH-Muskingum OH-
219 AM EDT Sat Jul 29 2023

...A STRONG THUNDERSTORM WILL IMPACT NORTHWESTERN GUERNSEY...
SOUTHEASTERN COSHOCTON...NORTHEASTERN MUSKINGUM AND SOUTH CENTRAL
TUSCARAWAS COUNTIES THROUGH 300 AM EDT...

At 219 AM EDT, Doppler radar was tracking a strong thunderstorm near
Dresden, or 8 miles northeast of Zanesville, moving east at 25 mph.

HAZARD...Wind gusts up to 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to vegetation is
         possible.

Locations impacted include...
Zanesville, Cambridge, Newcomerstown, New Concord, Byesville, North
Zanesville, Dresden, Conesville, Old Washington, Plainfield, Norwich,
Otsego, Drake, Boden, Salt Fork State Park, and Kimbolton.

This includes the following highways...
  Interstate 70 in Ohio between mile markers 168 and 187.
  Interstate 77 in Ohio between mile markers 44 and 65.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3997 8200 4012 8208 4031 8153 3999 8141
TIME...MOT...LOC 0619Z 254DEG 20KT 4007 8193

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

Shallenberger

Special weather statement, Jul 29, 2:25 AM EDT, 12 minutes before

Special Weather Statement
National Weather Service Pittsburgh PA
225 AM EDT Sat Jul 29 2023

OHZ039-048-057-058-290715-
Guernsey OH-Tuscarawas OH-Coshocton OH-Muskingum OH-
225 AM EDT Sat Jul 29 2023

...A STRONG THUNDERSTORM WILL IMPACT NORTHWESTERN GUERNSEY...
SOUTHEASTERN COSHOCTON...NORTHERN MUSKINGUM AND SOUTHWESTERN
TUSCARAWAS COUNTIES THROUGH 315 AM EDT...

At 225 AM EDT, Doppler radar was tracking a strong thunderstorm near
Coshocton, moving east at 20 mph.

HAZARD...Wind gusts up to 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to vegetation is
         possible.

Locations impacted include...
Coshocton, Newcomerstown, West Lafayette, Port Washington,
Conesville, Stone Creek, Plainfield, Chili, and Bakersville.

This includes Interstate 77 in Ohio between mile markers 58 and 75.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 4014 8194 4029 8204 4045 8153 4019 8149
TIME...MOT...LOC 0625Z 260DEG 19KT 4020 8193

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

Shallenberger

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 28, 8:50 PM EDT	Special Weather Statement	PBZ	Allegheny	25 min
Jul 28, 9:49 PM EDT	Areal Flood Advisory	PBZ	Allegheny, Armstrong, Indiana, Westmoreland	3 hr
Jul 29, 6:33 AM EDT	Special Weather Statement	PBZ	Beaver, Lawrence	42 min
Jul 29, 4:25 AM EDT	Flash Flood Warning	PBZ	Marion, Wetzel	80 min
Jul 29, 7:58 AM EDT	Areal Flood Advisory	PBZ	Brooke, Marshall, Ohio	2 hr
Jul 29, 2:19 AM EDT	Special Weather Statement	PBZ	Guernsey	41 min
Jul 29, 2:25 AM EDT	Special Weather Statement	PBZ	Coshocton	50 min
Jul 29, 3:42 AM EDT	Special Weather Statement	PBZ	Carroll, Harrison, Tuscarawas	48 min
Jul 29, 4:35 AM EDT	Flash Flood Warning	PBZ	Coshocton, Tuscarawas	3 hr
Jul 29, 5:30 AM EDT	Flash Flood Warning	PBZ	Belmont, Guernsey, Harrison, Tuscarawas	3 hr
Jul 29, 5:40 AM EDT	Severe Thunderstorm Warning	PBZ	Carroll, Coshocton, Guernsey, Muskingum, Tuscarawas	65 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2023 Every severe thunderstorm warning in 2023

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.