Alert archive / Ohio / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 108, NWS Pittsburgh, PA

July 10, 2020Columbiana County, Ohio

NWS Pittsburgh, PA issued this severe thunderstorm warning at Jul 10, 2020, 12:59 PM EDT for Columbiana County, Ohio. It was in force for 16 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 10, 2020, 12:59 PM EDT (16:59 UTC)
Expired
Jul 10, 2020, 1:15 PM EDT
In force
16 min
Issued by
NWS Pittsburgh, PA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Columbiana County, OH

The radar

The Pittsburgh radar (KPBZ), 54 km from the middle of the area, began a volume at 17:02 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.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 5.0 hours before the alert went out and 70 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 2020-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 229 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 2020-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 square meters per square second.1939Sfc1 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
229 J/kg
Mixed-layer CIN
-111 J/kg
Mixed-layer LCL
1241 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
55 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 10, 10:10 AM EDT, 2 hours 49 minutes earlier.

Area forecast discussion, Jul 10, 10:10 AM EDT, 2 hours 49 minutes before
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Hazardous weather outlook, Jul 10, 4:08 AM EDT, 8 hours 51 minutes before
Hazardous Weather Outlook
National Weather Service Pittsburgh PA
408 AM EDT Fri Jul 10 2020

OHZ039>041-048>050-057>059-068-069-PAZ007-008-013-014-020-021-029-
031-WVZ001>004-012-021-509-110815-
Tuscarawas-Carroll-Columbiana-Coshocton-Harrison-Jefferson OH-
Muskingum-Guernsey-Belmont-Noble-Monroe-Mercer-Venango-Lawrence-
Butler-Beaver-Allegheny-Washington-Greene-Hancock-Brooke-Ohio-
Marshall-Wetzel-Marion-Monongalia-
408 AM EDT Fri Jul 10 2020

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

.DAY ONE...Today and tonight.

Scattered showers and thunderstorms are expected during the afternoon
and evening hours. A few storms may approach severe limits, with
damaging wind gusts being the primary threat. The stronger storms
will also be capable of producing heavy rain and localized flooding.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

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

MDZ001-PAZ009-015-016-022-023-073>076-WVZ510>514-110815-
Garrett-Forest-Clarion-Jefferson PA-Armstrong-Indiana-Westmoreland-
Westmoreland Ridges-Fayette-Fayette Ridges-
Ridges of Eastern Monongalia and Northwestern Preston-Preston-
Eastern Preston-Western Tucker-Eastern Tucker-
408 AM EDT Fri Jul 10 2020

This Hazardous Weather Outlook is for western Maryland, northwest
Pennsylvania, southwest Pennsylvania, western Pennsylvania and
northern West Virginia.

.DAY ONE...Today and tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

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

In the hours before

Special weather statement, Jul 10, 12:49 PM EDT, 10 minutes before
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<body>
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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
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        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 9, 9:51 PM EDTSpecial Weather StatementPBZWashington24 min
Jul 9, 10:04 PM EDTSevere Thunderstorm WarningPBZWashington26 min
Jul 9, 10:09 PM EDTSpecial Weather StatementPBZAllegheny36 min
Jul 9, 10:31 PM EDTSpecial Weather StatementPBZWashington29 min
Jul 10, 2:44 PM EDTAreal Flood AdvisoryPBZBeaver, Lawrence4 hr
Jul 10, 2:59 PM EDTSpecial Weather StatementPBZLawrence31 min
Jul 10, 3:25 PM EDTSpecial Weather StatementPBZLawrence50 min
Jul 10, 3:41 PM EDTSevere Thunderstorm WarningPBZButler, Lawrence, Mercer25 min
Jul 10, 4:03 PM EDTSevere Thunderstorm WarningPBZButler, Mercer, Venango42 min
Jul 10, 4:49 PM EDTSpecial Weather StatementPBZWashington41 min
Jul 10, 5:07 PM EDTSevere Thunderstorm WarningPBZAllegheny, Beaver, Washington38 min
Jul 10, 5:27 PM EDTSevere Thunderstorm WarningPBZFayette33 min
Jul 10, 5:29 PM EDTSevere Thunderstorm WarningPBZArmstrong, Clarion31 min
Jul 10, 5:33 PM EDTSevere Thunderstorm WarningPBZFayette, Greene29 min
Jul 10, 5:42 PM EDTFlash Flood WarningPBZFayette2 hr
Jul 10, 5:43 PM EDTSevere Thunderstorm WarningPBZAllegheny, Beaver, Butler, Lawrence, Washington47 min
Jul 10, 5:54 PM EDTSevere Thunderstorm WarningPBZAllegheny, Washington, Westmoreland51 min
Jul 10, 6:12 PM EDTSevere Thunderstorm WarningPBZAllegheny, Fayette, Washington, Westmoreland33 min
Jul 10, 6:30 PM EDTSevere Thunderstorm WarningPBZAllegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 4 more45 min
Jul 10, 6:45 PM EDTAreal Flood AdvisoryPBZAllegheny, Washington, Westmoreland36 min
Jul 10, 6:49 PM EDTAreal Flood AdvisoryPBZAllegheny32 min
Jul 10, 6:56 PM EDTAreal Flood AdvisoryPBZArmstrong, Beaver, Butler, Fayette, Indiana, Lawrence and 2 more18 min
Jul 10, 7:13 PM EDTAreal Flood WarningPBZAllegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 4 more107 min
Jul 10, 12:49 PM EDTSpecial Weather StatementPBZColumbiana26 min
Jul 10, 1:37 PM EDTSpecial Weather StatementPBZJefferson38 min
Jul 10, 2:24 PM EDTSpecial Weather StatementPBZMuskingum36 min
Jul 10, 2:34 PM EDTSpecial Weather StatementPBZColumbiana26 min
Jul 10, 3:00 PM EDTSpecial Weather StatementPBZMuskingum45 min
Jul 10, 3:47 PM EDTSpecial Weather StatementPBZMonroe43 min
Jul 10, 3:51 PM EDTSpecial Weather StatementPBZNoble39 min
Jul 10, 4:07 PM EDTSevere Thunderstorm WarningPBZBelmont, Monroe23 min
Jul 10, 4:13 PM EDTSevere Thunderstorm WarningPBZMonroe, Noble32 min
Jul 10, 4:26 PM EDTSevere Thunderstorm WarningPBZCarroll, Tuscarawas34 min
Jul 10, 4:27 PM EDTSevere Thunderstorm WarningPBZBelmont, Monroe48 min
Jul 10, 4:35 PM EDTSpecial Weather StatementPBZGuernsey10 min
Jul 10, 4:53 PM EDTSpecial Weather StatementPBZCarroll, Harrison37 min
Jul 10, 4:55 PM EDTSevere Thunderstorm WarningPBZCarroll, Columbiana35 min
Jul 10, 2:15 PM EDTSpecial Weather StatementPBZHancock30 min
Jul 10, 3:10 PM EDTSpecial Weather StatementPBZHancock35 min
Jul 10, 6:36 PM EDTSpecial Weather StatementPBZTucker24 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2020Every 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.