Alert archive / Texas / Wind Advisories in 2009

Wind Advisory 17, NWS Corpus Christi, TX

April 27, 2009Kleberg County, Nueces County, San Patricio County, Texas

NWS Corpus Christi, TX issued this wind advisory at Apr 27, 2009, 3:57 AM CDT for Kleberg County, Nueces County, San Patricio County, Texas. It took effect at Apr 27, 2009, 10:00 AM CDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued: Apr 27, 2009, 3:57 AM CDT (08:57 UTC)
In effect from: Apr 27, 2009, 10:00 AM CDT
Expired: Apr 27, 2009, 3:25 PM CDT
In force: 5 hr
Issued by: NWS Corpus Christi, TX

Counties Kleberg County, TX, Nueces County, TX, San Patricio County, TX

The radar

The Corpus Christi radar (KCRP), 9 km from the middle of the area, began a volume at 08:56 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

Brownsville Intl, TX (KBRO), launched 00:00Z, 9.0 hours before the alert went out and 203 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: 2632 J/kg
Mixed-layer CIN: -136 J/kg
Mixed-layer LCL: 586 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 82 m²/s²
0-3 km storm-relative helicity: 229 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 2.1

Open this sounding in Storm Lab

What forecasters said that day

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

NWS Corpus Christi, TX wrote its last area forecast discussion before this wind advisory went out at Apr 26, 11:38 PM CDT, 4 hours 19 minutes earlier.

Area forecast discussion, Apr 26, 11:38 PM CDT, 4 hours 19 minutes before

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Hazardous weather outlook, Apr 26, 11:45 AM CDT, 16 hours 12 minutes before

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</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.
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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 Corpus Christi, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 27, 6:13 AM CDT	Small Craft Advisory	CRP		16 hr
Apr 27, 5:37 PM CDT	Severe Thunderstorm Warning	CRP	Goliad, Victoria	53 min
Apr 27, 5:39 PM CDT	Severe Thunderstorm Warning	CRP	Victoria	36 min
Apr 27, 5:54 PM CDT	Severe Thunderstorm Warning	CRP	Goliad, Refugio, Victoria	51 min
Apr 27, 6:04 PM CDT	Severe Thunderstorm Warning	CRP	Aransas, Goliad, Refugio	56 min
Apr 27, 6:19 PM CDT	Severe Thunderstorm Warning	CRP	Calhoun, Refugio, Victoria	41 min
Apr 27, 6:27 PM CDT	Special Marine Warning	CRP		2 hr
Apr 27, 6:52 PM CDT	Severe Thunderstorm Warning	CRP	Aransas, Refugio	38 min

Nearby

Wind Advisories in Texas, 2009 Every wind advisory in 2009

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.