Alert archive / Texas / High Surf Advisories in 2017

High Surf Advisory 1, NWS Brownsville, TX

April 29, 2017Kenedy County, Texas

NWS Brownsville, TX issued this high surf advisory at Apr 29, 2017, 10:17 AM CDT for Kenedy County, Texas. It was in force for 27 hr.

The area

The counties it named.

The facts

Issued: Apr 29, 2017, 10:17 AM CDT (15:17 UTC)
Expired: Apr 30, 2017, 1:00 PM CDT
In force: 27 hr
Issued by: NWS Brownsville, TX

County Kenedy County, TX

The radar

The Corpus Christi radar (KCRP), 96 km from the middle of the area, began a volume at 15:18 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

Corpus Christi, TX (KCRP), launched 12:00Z, 3.3 hours before the alert went out and 94 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: 3159 J/kg
Mixed-layer CIN: -285 J/kg
Mixed-layer LCL: 800 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 105 m²/s²
0-3 km storm-relative helicity: 145 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 high surf advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Brownsville, TX wrote its last area forecast discussion before this high surf advisory went out at Apr 29, 6:47 AM CDT, 3 hours 30 minutes earlier.

Area forecast discussion, Apr 29, 6:47 AM CDT, 3 hours 30 minutes before

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Hazardous weather outlook, Apr 29, 5:06 AM CDT, 5 hours 11 minutes before

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In the hours before

Special weather statement, Apr 29, 4:40 AM CDT, 5 hours 37 minutes before

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  <title>Service Notice</title>
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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.
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      <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 Brownsville, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 29, 2:52 AM CDT	Small Craft Advisory for Winds	BRO		19 hr
Apr 29, 10:25 AM CDT	Wind Advisory	BRO	Cameron, Kenedy, Willacy	10 hr
Apr 29, 3:36 PM CDT	Small Craft Advisory for Winds	BRO		20 hr

Nearby

High Surf Advisories in Texas, 2017 Every high surf advisory in 2017

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.