Alert archive / South Carolina / Lake Wind Advisories in 2012

Lake Wind Advisory 18, NWS Charleston, SC

June 1, 2012Berkeley County, South Carolina

NWS Charleston, SC issued this lake wind advisory at Jun 1, 2012, 3:59 AM EDT for Berkeley County, South Carolina. It took effect at Jun 1, 2012, 12:00 PM EDT. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Jun 1, 2012, 3:59 AM EDT (07:59 UTC)
In effect from
Jun 1, 2012, 12:00 PM EDT
Expired
Jun 1, 2012, 3:41 PM EDT
In force
4 hr
Issued by
NWS Charleston, SC

County Berkeley County, SC

The radar

The Charleston,SC radar (KCLX), 118 km from the middle of the area, began a volume at 08:01 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

Charleston AFB, SC (KCHS), launched 00:00Z, 8.0 hours before the alert went out and 33 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, Charleston AFB, SC at 00:00Z on 2012-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 410 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, Charleston AFB, SC at 00:00Z on 2012-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 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
410 J/kg
Mixed-layer CIN
-47 J/kg
Mixed-layer LCL
1190 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
44 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 lake wind advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Charleston, SC wrote its last area forecast discussion before this lake wind advisory went out at Jun 1, 12:56 AM EDT, 3 hours 3 minutes earlier.

Area forecast discussion, Jun 1, 12:56 AM EDT, 3 hours 3 minutes before
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Hazardous weather outlook, May 31, 6:56 PM EDT, 9 hours 3 minutes before
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  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<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.
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The office that day

Everything else NWS Charleston, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 1, 2:45 AM EDTSpecial Marine WarningCHS30 min
Jun 1, 4:05 AM EDTSpecial Marine WarningCHS40 min
Jun 1, 2:24 PM EDTSpecial Weather StatementCHSJenkins, Screven36 min
Jun 1, 3:09 PM EDTSevere Thunderstorm WarningCHSScreven39 min
Jun 1, 2:59 PM EDTSpecial Weather StatementCHSAllendale31 min
Jun 1, 4:47 PM EDTSpecial Weather StatementCHSDorchester28 min
Jun 1, 4:59 PM EDTSevere Thunderstorm WarningCHSBerkeley, Colleton, Dorchester61 min
Jun 1, 5:17 PM EDTSpecial Weather StatementCHSColleton28 min
Jun 1, 5:24 PM EDTSevere Thunderstorm WarningCHSColleton, Hampton66 min
Jun 1, 5:30 PM EDTSpecial Weather StatementCHSBerkeley30 min
Jun 1, 5:51 PM EDTSpecial Weather StatementCHSJasper39 min
Jun 1, 6:00 PM EDTSpecial Weather StatementCHSBerkeley60 min
Jun 1, 6:04 PM EDTSpecial Weather StatementCHSDorchester26 min
Jun 1, 6:28 PM EDTSpecial Weather StatementCHSBeaufort, Jasper32 min
Jun 1, 6:58 PM EDTSpecial Weather StatementCHSBerkeley47 min
Jun 1, 7:01 PM EDTSpecial Weather StatementCHSCharleston44 min
Jun 1, 7:44 PM EDTSpecial Weather StatementCHSCharleston46 min

Nearby

Lake Wind Advisories in South Carolina, 2012Every lake wind advisory in 2012

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.