Alert archive / Pennsylvania / Wind Chill Advisories in 2014

Wind Chill Advisory 6, NWS Pittsburgh, PA

January 26, 201414 counties in Pennsylvania; 11 counties in Ohio; 6 counties in West Virginia

NWS Pittsburgh, PA issued this wind chill advisory at Jan 26, 2014, 3:18 PM EST for 14 counties in Pennsylvania; 11 counties in Ohio; 6 counties in West Virginia. It took effect at Jan 27, 2014, 12:00 PM EST. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Jan 26, 2014, 3:18 PM EST (20:18 UTC)
In effect from
Jan 27, 2014, 12:00 PM EST
Expired
Jan 28, 2014, 12:00 AM EST
In force
12 hr
Issued by
NWS Pittsburgh, PA
All 31 counties

Belmont County, OH, Carroll County, OH, Columbiana County, OH, Coshocton County, OH, Guernsey County, OH, Harrison County, OH, Jefferson County, OH, Monroe County, OH, Muskingum County, OH, Noble County, OH, Tuscarawas County, OH, Allegheny County, PA, Armstrong County, PA, Beaver County, PA, Butler County, PA, Clarion County, PA, Fayette County, PA, Forest County, PA, Greene County, PA, Jefferson County, PA, Lawrence County, PA, Mercer County, PA, Venango County, PA, Washington County, PA, Westmoreland County, PA, Brooke County, WV, Hancock County, WV, Marion County, WV, Marshall County, WV, Ohio County, WV, Wetzel County, WV

The radar

The Pittsburgh radar (KPBZ), 25 km from the middle of the area, began a volume at 20:17 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 (KAGC), launched 12:00Z, 8.3 hours before the alert went out and 32 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 2014-01-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2014-01-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 311 square meters per square second.1939587897117136156Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
921 m above ground
0-6 km bulk shear
86 kt
0-1 km storm-relative helicity
311 m²/s²
0-3 km storm-relative helicity
403 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 wind chill advisory 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 wind chill advisory went out at Jan 26, 2:12 PM EST, 1 hour 6 minutes earlier.

Area forecast discussion, Jan 26, 2:12 PM EST, 1 hour 6 minutes before
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Hazardous weather outlook, Jan 26, 3:18 PM EST, 0 minutes before
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In the hours before

Local storm report, Jan 26, 1:08 PM EST, 2 hours 10 minutes before
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Local storm report, Jan 26, 2:24 PM EST, 54 minutes before
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Local storm report, Jan 26, 2:25 PM EST, 53 minutes before
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      <h1 id="headline">This service is currently unavailable.</h1>
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Local storm report, Jan 26, 2:48 PM EST, 30 minutes before
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <p id="message2">
        Please try again in a few minutes.
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      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Local storm report, Jan 26, 2:55 PM EST, 23 minutes before
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  <main class="wrap">
    <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>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Local storm report, Jan 26, 3:00 PM EST, 18 minutes before
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<body>
  <main class="wrap">
    <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>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
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</body>
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The office that day

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

IssuedProductOfficeCountiesLasted
Jan 25, 7:05 PM ESTSpecial Weather StatementPBZWashington40 min
Jan 25, 7:44 PM ESTSpecial Weather StatementPBZFayette, Washington76 min
Jan 25, 11:12 PM ESTSpecial Weather StatementPBZArmstrong, Butler, Indiana, Lawrence93 min
Jan 26, 3:34 AM ESTWind Chill WatchPBZAllegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more23 hr
Jan 26, 3:18 PM ESTWinter Weather AdvisoryPBZAllegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more23 hr

Nearby

Wind Chill Advisories in Pennsylvania, 2014Wind Chill Advisories in Ohio, 2014Wind Chill Advisories in West Virginia, 2014Every wind chill advisory in 2014

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.