Alert archive / Mississippi / Special Weather Statements in 2021

Special Weather Statement, NWS New Orleans, LA

January 25, 2021Amite County, Mississippi

NWS New Orleans, LA issued this special weather statement at Jan 25, 2021, 11:47 PM CST for Amite County, Mississippi. It was in force for 43 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: Jan 25, 2021, 11:47 PM CST (05:47 UTC)
Expired: Jan 26, 2021, 12:30 AM CST
In force: 43 min
Issued by: NWS New Orleans, LA

County Amite County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 5.8 hours before the alert went out and 145 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: 1364 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 701 m above ground
0-6 km bulk shear: 64 kt
0-1 km storm-relative helicity: 294 m²/s²
0-3 km storm-relative helicity: 293 m²/s²
Significant tornado parameter: 2.7
Supercell composite: 8.3

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jan 25, 3:23 PM CST, 8 hours 24 minutes earlier.

Area forecast discussion, Jan 25, 3:23 PM CST, 8 hours 24 minutes before

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In the hours before

Special weather statement, Jan 25, 11:47 PM CST, 0 minutes before

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  <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.
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      <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
Jan 25, 10:30 PM CST	Marine Dense Fog Advisory	LIX		12 hr
Jan 26, 6:35 AM CST	River Flood Warning	LIX	Saint Tammany	52 hr
Jan 25, 10:29 PM CST	Dense Fog Advisory	LIX		12 hr
Jan 26, 12:30 AM CST	Severe Thunderstorm Warning	LIX	Amite	15 min

Nearby

Special Weather Statements in Mississippi, 2021 Every special weather statement in 2021

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.