Alert archive / Louisiana / Heat Advisories in 2011

Heat Advisory 3, NWS New Orleans, LA

June 5, 20119 parishes in Louisiana; 5 counties in Mississippi

NWS New Orleans, LA issued this heat advisory at Jun 5, 2011, 4:06 AM CDT for 9 parishes in Louisiana; 5 counties in Mississippi. It took effect at Jun 5, 2011, 11:00 AM CDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: Jun 5, 2011, 4:06 AM CDT (09:06 UTC)
In effect from: Jun 5, 2011, 11:00 AM CDT
Expired: Jun 5, 2011, 7:00 PM CDT
In force: 8 hr
Issued by: NWS New Orleans, LA

Counties East Baton Rouge Parish, LA, East Feliciana Parish, LA, Iberville Parish, LA, Pointe Coupee Parish, LA, Saint Helena Parish, LA, Tangipahoa Parish, LA, Washington Parish, LA, West Baton Rouge Parish, LA, West Feliciana Parish, LA, Amite County, MS, Pearl River County, MS, Pike County, MS, Walthall County, MS, Wilkinson County, MS

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 9.1 hours before the alert went out and 243 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: 2029 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 1919 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: 10 m²/s²
0-3 km storm-relative helicity: 77 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 heat advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS New Orleans, LA wrote its last area forecast discussion before this heat advisory went out at Jun 4, 9:23 PM CDT, 6 hours 43 minutes earlier.

Area forecast discussion, Jun 4, 9:23 PM CDT, 6 hours 43 minutes before

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Hazardous weather outlook, Jun 4, 7:35 PM CDT, 8 hours 31 minutes before

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<html lang="en">
<head>
  <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 New Orleans, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 5, 1:06 AM CDT	Special Marine Warning	LIX		54 min
Jun 5, 8:48 AM CDT	Special Marine Warning	LIX		57 min
Jun 5, 10:46 AM CDT	Special Marine Warning	LIX		29 min
Jun 5, 11:19 AM CDT	Severe Thunderstorm Warning	LIX	Jefferson, Lafourche	56 min
Jun 5, 11:28 AM CDT	Special Marine Warning	LIX		92 min
Jun 5, 11:40 AM CDT	Special Marine Warning	LIX		95 min
Jun 5, 1:09 PM CDT	Special Marine Warning	LIX		66 min
Jun 5, 5:48 PM CDT	Severe Thunderstorm Warning	LIX	East Baton Rouge	27 min
Jun 5, 2:15 PM CDT	Severe Thunderstorm Warning	LIX	Jackson	60 min
Jun 5, 2:49 PM CDT	Severe Thunderstorm Warning	LIX	Jackson	56 min

Nearby

Heat Advisories in Louisiana, 2011 Heat Advisories in Mississippi, 2011 Every heat advisory in 2011

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.