Alert archive / Louisiana / Special Weather Statements in 2015

Special Weather Statement, NWS New Orleans, LA

June 30, 2015Lafourche Parish, Louisiana

NWS New Orleans, LA issued this special weather statement at Jun 30, 2015, 6:13 PM CDT for Lafourche Parish, Louisiana. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 30, 2015, 6:13 PM CDT (23:13 UTC)
Expired: Jun 30, 2015, 7:00 PM CDT
In force: 47 min
Issued by: NWS New Orleans, LA

County Lafourche Parish, LA

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 11.2 hours before the alert went out and 290 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: 3789 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 624 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: -1 m²/s²
0-3 km storm-relative helicity: 29 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

<!doctype html>
<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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

Everything else NWS New Orleans, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 29, 9:43 PM CDT	Special Weather Statement	LIX	Saint Helena	47 min
Jun 30, 1:39 PM CDT	Special Weather Statement	LIX	West Baton Rouge	66 min
Jun 30, 2:09 PM CDT	Special Weather Statement	LIX	Saint Tammany	36 min
Jun 30, 2:24 PM CDT	Special Weather Statement	LIX	East Baton Rouge	36 min
Jun 30, 2:28 PM CDT	Special Marine Warning	LIX		62 min
Jun 30, 2:51 PM CDT	Special Weather Statement	LIX	West Feliciana	54 min
Jun 30, 3:13 PM CDT	Special Weather Statement	LIX	Livingston	32 min
Jun 30, 3:32 PM CDT	Special Weather Statement	LIX	Tangipahoa	28 min
Jun 30, 4:31 PM CDT	Special Weather Statement	LIX	Saint Tammany, Tangipahoa	44 min
Jun 30, 4:47 PM CDT	Special Weather Statement	LIX	Iberville, West Baton Rouge	43 min
Jun 30, 5:22 PM CDT	Special Weather Statement	LIX	Iberville	53 min
Jun 30, 6:12 PM CDT	Special Weather Statement	LIX	Assumption	48 min
Jun 29, 8:50 PM CDT	Special Weather Statement	LIX	Amite	40 min
Jun 30, 4:32 PM CDT	Special Weather Statement	LIX	Pike, Walthall	43 min

Nearby

Special Weather Statements in Louisiana, 2015 Every special weather statement in 2015

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.