Alert archive / Mississippi / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 52, NWS New Orleans, LA

April 6, 2023Amite County, Mississippi

NWS New Orleans, LA issued this severe thunderstorm warning at Apr 6, 2023, 3:05 PM CDT for Amite County, Mississippi. It was in force for 25 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 6, 2023, 3:05 PM CDT (20:05 UTC)
Expired: Apr 6, 2023, 3:30 PM CDT
In force: 25 min
Issued by: NWS New Orleans, LA
Area: Storm-based polygon
Hail: 1.5 in
Wind: 50.0 mph

County Amite County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 8.1 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: 1117 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 462 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 74 m²/s²
0-3 km storm-relative helicity: 82 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.6

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Apr 6, 12:55 PM CDT, 2 hours 10 minutes earlier.

Area forecast discussion, Apr 6, 12:55 PM CDT, 2 hours 10 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>

In the hours before

Special weather statement, Apr 6, 11:36 AM CDT, 3 hours 29 minutes before

Special Weather Statement
National Weather Service New Orleans LA
1136 AM CDT Thu Apr 6 2023

MSZ068-061715-
Wilkinson MS-
1136 AM CDT Thu Apr 6 2023

...A strong thunderstorm will impact portions of western Wilkinson
County through 1215 PM CDT...

At 1136 AM CDT, Doppler radar was tracking a strong thunderstorm near
Fort Adams, or 18 miles east of Simmesport, moving northeast at 15
mph.

HAZARD...Winds in excess of 30 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Fort Adams.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3132 9142 3124 9123 3100 9140 3100 9163
      3104 9156 3107 9157 3110 9161 3124 9156
      3124 9154 3122 9153 3123 9148 3128 9149
      3129 9147 3132 9146
TIME...MOT...LOC 1636Z 204DEG 11KT 3105 9152

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...30 MPH

MEFFER

Special weather statement, Apr 6, 2:23 PM CDT, 42 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>

Special weather statement, Apr 6, 2:41 PM CDT, 24 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>

Special weather statement, Apr 6, 2:43 PM CDT, 22 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
Apr 6, 8:46 AM CDT	River Flood Warning	LIX	Washington	21 days
Apr 6, 2:41 PM CDT	Special Weather Statement	LIX	Saint Helena	34 min
Apr 6, 2:43 PM CDT	Special Weather Statement	LIX	Ascension	32 min
Apr 6, 3:23 PM CDT	Special Weather Statement	LIX	Pointe Coupee	37 min
Apr 6, 3:55 PM CDT	Special Weather Statement	LIX	East Baton Rouge, West Baton Rouge	50 min
Apr 6, 4:47 PM CDT	Special Weather Statement	LIX	East Baton Rouge, West Baton Rouge	28 min
Apr 6, 4:58 PM CDT	Special Weather Statement	LIX	Iberville, West Baton Rouge	32 min
Apr 6, 5:22 PM CDT	Areal Flood Advisory	LIX	East Baton Rouge, East Feliciana, Iberville, Pointe Coupee, West Baton Rouge, West Feliciana	3 hr
Apr 6, 5:56 PM CDT	Special Weather Statement	LIX	East Feliciana	34 min
Apr 6, 6:33 PM CDT	Special Weather Statement	LIX	Saint Helena	27 min
Apr 6, 11:36 AM CDT	Special Weather Statement	LIX	Wilkinson	39 min
Apr 6, 12:13 PM CDT	Severe Thunderstorm Warning	LIX	Wilkinson	32 min
Apr 6, 12:42 PM CDT	Severe Thunderstorm Warning	LIX	Amite, Wilkinson	63 min
Apr 6, 2:23 PM CDT	Special Weather Statement	LIX	Wilkinson	52 min
Apr 6, 2:32 PM CDT	Severe Thunderstorm Warning	LIX	Amite, Wilkinson	43 min
Apr 6, 3:30 PM CDT	Special Weather Statement	LIX	Amite	45 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2023 Every severe thunderstorm warning in 2023

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.