Alert archive / Ohio / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 174, NWS Pittsburgh, PA

August 26, 2020Coshocton County, Guernsey County, Muskingum County, Ohio

NWS Pittsburgh, PA issued this severe thunderstorm warning at Aug 26, 2020, 2:45 PM EDT for Coshocton County, Guernsey County, Muskingum County, Ohio. It was in force for 45 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: Aug 26, 2020, 2:45 PM EDT (18:45 UTC)
Expired: Aug 26, 2020, 3:30 PM EDT
In force: 45 min
Issued by: NWS Pittsburgh, PA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

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

The radar

The Pittsburgh radar (KPBZ), 141 km from the middle of the area, began a volume at 18:47 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 12:00Z, 6.8 hours before the alert went out and 147 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1697 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 57 m²/s²
0-3 km storm-relative helicity: 141 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 Aug 26, 1:54 PM EDT, 51 minutes earlier.

Area forecast discussion, Aug 26, 1:54 PM EDT, 51 minutes before

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Hazardous weather outlook, Aug 26, 2:14 AM EDT, 12 hours 31 minutes before

Hazardous Weather Outlook
National Weather Service Pittsburgh PA
214 AM EDT Wed Aug 26 2020

MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023-
029-031-073>076-WVZ001>004-012-021-509>514-270615-
Garrett-Tuscarawas-Carroll-Columbiana-Coshocton-Harrison-
Jefferson OH-Muskingum-Guernsey-Belmont-Noble-Monroe-Mercer-Venango-
Forest-Lawrence-Butler-Clarion-Jefferson PA-Beaver-Allegheny-
Armstrong-Indiana-Washington-Greene-Westmoreland-Westmoreland Ridges-
Fayette-Fayette Ridges-Hancock-Brooke-Ohio-Marshall-Wetzel-Marion-
Monongalia-Ridges of Eastern Monongalia and Northwestern Preston-
Preston-Eastern Preston-Western Tucker-Eastern Tucker-
214 AM EDT Wed Aug 26 2020

This Hazardous Weather Outlook is for western Maryland, east
central Ohio, northwest Pennsylvania, southwest Pennsylvania,
western Pennsylvania, northern West Virginia and the northern
panhandle of West Virginia.

.DAY ONE...Today and tonight.

There is a slight risk for severe thunderstorms this afternoon and
evening. The primary hazard will be damaging wind gusts.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

A slight risk for severe thunderstorms will be possible on Thursday
and Friday. Stay tuned for changes to these threats.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.

In the hours before

Special weather statement, Aug 26, 1:29 PM EDT, 1 hour 16 minutes before

Special Weather Statement
National Weather Service Pittsburgh PA
129 PM EDT Wed Aug 26 2020

OHZ048-057-261800-
Coshocton-Muskingum-
129 PM EDT Wed Aug 26 2020

...A STRONG THUNDERSTORM CAPABLE OF PRODUCING GUSTY WIND WILL AFFECT
COSHOCTON AND NORTH CENTRAL MUSKINGUM COUNTIES...

At 129 PM EDT, a strong thunderstorm was located 9 miles south of
Glenmont, or 14 miles northwest of Coshocton, moving southeast at 20
mph.

Wind gusts up to 45 mph are possible with this storm.

Locations impacted include...
Coshocton...                      Warsaw...
Conesville...                     Nellie...
Walhonding...                     Blissfield...
New Guilford...                   Cooperdale...

This storm may intensify, so monitor local radio or television
stations for additional information and possible warnings from the
National Weather Service.

LAT...LON 4041 8219 4045 8214 4045 8201 4034 8174
      4012 8196 4031 8219
TIME...MOT...LOC 1729Z 307DEG 17KT 4038 8210

Special weather statement, Aug 26, 2:08 PM EDT, 37 minutes before

Special Weather Statement
National Weather Service Pittsburgh PA
208 PM EDT Wed Aug 26 2020

OHZ048-057-058-261845-
Guernsey-Coshocton-Muskingum-
208 PM EDT Wed Aug 26 2020

...A STRONG THUNDERSTORM CAPABLE OF PRODUCING GUSTY WIND WILL AFFECT
NORTHWESTERN GUERNSEY...SOUTH CENTRAL COSHOCTON AND NORTHEASTERN
MUSKINGUM COUNTIES...

At 207 PM EDT, a strong thunderstorm was located near Coshocton,
moving southeast at 15 mph.

Wind gusts up to 45 mph are possible with this storm.

Locations impacted include...
Coshocton...                      Conesville...
Otsego...                         Boden...

Frequent cloud to ground lightning is occurring with this storm. Seek
safe shelter inside a building or vehicle.

This storm may intensify, so monitor local radio or television
stations for additional information and possible warnings from the
National Weather Service.

LAT...LON 4023 8205 4029 8196 4027 8190 4015 8161
      4000 8194
TIME...MOT...LOC 1807Z 314DEG 15KT 4021 8194

Brown

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 26, 1:29 PM EDT	Special Weather Statement	PBZ	Coshocton	31 min
Aug 26, 2:08 PM EDT	Special Weather Statement	PBZ	Coshocton	37 min
Aug 26, 2:17 PM EDT	Severe Thunderstorm Warning	PBZ	Coshocton, Tuscarawas	29 min
Aug 26, 3:29 PM EDT	Severe Thunderstorm Warning	PBZ	Guernsey, Muskingum, Noble	46 min
Aug 26, 4:06 PM EDT	Severe Thunderstorm Warning	PBZ	Monroe, Noble	39 min
Aug 26, 4:54 PM EDT	Special Weather Statement	PBZ	Coshocton	21 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2020 Every severe thunderstorm warning in 2020

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.