Alert archive / Louisiana / Wind Advisories in 2022

Wind Advisory 12, NWS New Orleans, LA

November 26, 202219 parishes in Louisiana; 5 counties in Mississippi

NWS New Orleans, LA issued this wind advisory at Nov 26, 2022, 4:01 AM CST for 19 parishes in Louisiana; 5 counties in Mississippi. It took effect at Nov 26, 2022, 12:00 PM CST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: Nov 26, 2022, 4:01 AM CST (10:01 UTC)
In effect from: Nov 26, 2022, 12:00 PM CST
Expired: Nov 26, 2022, 7:38 PM CST
In force: 8 hr
Issued by: NWS New Orleans, LA

All 24 counties

Ascension Parish, LA, Assumption Parish, LA, East Baton Rouge Parish, LA, East Feliciana Parish, LA, Iberville Parish, LA, Jefferson Parish, LA, Livingston Parish, LA, Orleans Parish, LA, Plaquemines Parish, LA, Pointe Coupee Parish, LA, Saint Bernard Parish, LA, Saint Helena Parish, LA, Saint James Parish, LA, Saint John the Baptist Parish, LA, Saint Tammany 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

Slidell Radar S, LA (KSIL), launched 00:00Z, 10.0 hours before the alert went out and 92 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 590 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: -16 m²/s²
0-3 km storm-relative helicity: 4 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 wind 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 wind advisory went out at Nov 25, 11:42 PM CST, 4 hours 19 minutes earlier.

Area forecast discussion, Nov 25, 11:42 PM CST, 4 hours 19 minutes before

<!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
Nov 26, 8:26 AM CST	Marine Dense Fog Advisory	LIX		3 hr
Nov 26, 9:16 AM CST	River Flood Warning	LIX	Saint Tammany	11 hr
Nov 26, 9:17 AM CST	River Flood Warning	LIX	Tangipahoa	28 hr
Nov 26, 12:09 PM CST	Special Marine Warning	LIX		66 min
Nov 26, 12:48 PM CST	Special Weather Statement	LIX	Lafourche	57 min
Nov 26, 1:46 PM CST	Special Weather Statement	LIX	Jefferson, Lafourche, Saint Charles, Saint James, Saint John the Baptist	59 min
Nov 26, 1:49 PM CST	Special Marine Warning	LIX		56 min
Nov 26, 1:55 PM CST	Severe Thunderstorm Warning	LIX	Jefferson, Lafourche, Saint Charles, Saint John the Baptist	35 min
Nov 26, 2:16 PM CST	Tornado Warning	LIX	Jefferson, Saint Charles	29 min
Nov 26, 2:40 PM CST	Special Marine Warning	LIX		65 min
Nov 26, 2:43 PM CST	Special Weather Statement	LIX	Orleans	32 min
Nov 26, 2:53 PM CST	Special Weather Statement	LIX	Jefferson, Orleans	67 min
Nov 26, 2:58 PM CST	Special Weather Statement	LIX	Saint Tammany	32 min
Nov 26, 3:12 PM CST	Severe Thunderstorm Warning	LIX	Jefferson, Plaquemines, Saint Bernard	33 min
Nov 26, 3:17 PM CST	Areal Flood Advisory	LIX	Saint Tammany	118 min
Nov 26, 3:22 PM CST	Special Marine Warning	LIX		68 min
Nov 26, 3:26 PM CST	Severe Thunderstorm Warning	LIX	Saint Tammany, Washington	49 min
Nov 26, 3:34 PM CST	Tornado Warning	LIX	Saint Tammany, Washington	26 min
Nov 26, 4:23 PM CST	Special Marine Warning	LIX		67 min
Nov 26, 5:22 PM CST	Special Marine Warning	LIX		53 min
Nov 26, 3:41 PM CST	Special Weather Statement	LIX	Hancock, Pearl River	64 min
Nov 26, 4:28 PM CST	Special Weather Statement	LIX	Harrison	62 min
Nov 26, 5:09 PM CST	Severe Thunderstorm Warning	LIX	Harrison, Jackson	36 min

Nearby

Wind Advisories in Louisiana, 2022 Wind Advisories in Mississippi, 2022 Every wind advisory in 2022

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.