Alert archive / Mississippi / Special Weather Statements in 2021

Special Weather Statement, NWS Jackson, MS

April 24, 2021Madison County, Rankin County, Scott County, Mississippi

NWS Jackson, MS issued this special weather statement at Apr 24, 2021, 6:23 AM CDT for Madison County, Rankin County, Scott County, Mississippi. It was in force for 52 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: Apr 24, 2021, 6:23 AM CDT (11:23 UTC)
Expired: Apr 24, 2021, 7:15 AM CDT
In force: 52 min
Issued by: NWS Jackson, MS

Counties Madison County, MS, Rankin County, MS, Scott County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 22 km from the middle of the area, began a volume at 11:22 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 11.4 hours before the alert went out and 18 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: 1198 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 238 m²/s²
0-3 km storm-relative helicity: 244 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

<!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>

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 Jackson, MS wrote its last area forecast discussion before this special weather statement went out at Apr 24, 3:58 AM CDT, 2 hours 25 minutes earlier.

Area forecast discussion, Apr 24, 3:58 AM CDT, 2 hours 25 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>

Hazardous weather outlook, Apr 24, 4:12 AM CDT, 2 hours 11 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 24, 2:35 AM CDT, 3 hours 48 minutes before

Special Weather Statement
National Weather Service Jackson MS
235 AM CDT Sat Apr 24 2021

MSZ043-048-049-054-055-240830-
Copiah MS-Hinds MS-Rankin MS-Madison MS-Simpson MS-
235 AM CDT Sat Apr 24 2021

...A STRONG THUNDERSTORM WILL AFFECT RANKIN...NORTHERN SIMPSON...
HINDS...NORTHERN COPIAH AND SOUTHERN MADISON COUNTIES UNTIL 330 AM
CDT...

At 235 AM CDT, Meteorologists were tracking strong thunderstorms
along a line extending from near Edwards to near Dentville. Movement
was east at 55 mph.

Wind gusts up to 50 mph will be possible with these storms.

Locations impacted include...
Jackson, Clinton, Pearl, Madison, Ridgeland, Brandon, Canton, Byram,
Flowood, Richland, Crystal Springs, Star, Florence, Raymond,
Pelahatchie, Terry, Edwards, Bolton, Leesburg and Pocahontas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

High winds can bring down trees and large limbs resulting in serious
injury or property damage. Exercise extreme caution when outdoors
during such strong winds...and be especially aware of older trees.

&&

A Tornado Watch remains in effect until 400 AM CDT for Copiah and
Simpson counties.

LAT...LON 3191 9061 3238 9063 3245 9059 3265 8973
      3258 8978 3236 8973 3200 8973
TIME...MOT...LOC 0735Z 258DEG 48KT 3238 9057 3203 9055

DL

Special weather statement, Apr 24, 3:44 AM CDT, 2 hours 39 minutes before

Special Weather Statement
National Weather Service Jackson MS
344 AM CDT Sat Apr 24 2021

MSZ074-240915-
Forrest MS-
344 AM CDT Sat Apr 24 2021

...STRONG THUNDERSTORMS WILL AFFECT SOUTHEASTERN FORREST COUNTY
THROUGH 415 AM CDT...

At 344 AM CDT, Meteorologists were tracking strong thunderstorms
along a line extending from near Mclaurin to 7 miles southeast of
Lumberton. Movement was east at 35 mph.

Wind gusts up to 50 mph will be possible with these storms.

Strong thunderstorms will be near...
  Maxie around 400 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

High winds can bring down trees and large limbs resulting in serious
injury or property damage. Exercise extreme caution when outdoors
during such strong winds...and be especially aware of older trees.

&&

A Tornado Watch remains in effect until 400 AM CDT for southeastern
Mississippi.

LAT...LON 3100 8934 3100 8935 3104 8935 3127 8920
      3128 8915 3100 8915 3100 8914 3091 8914
      3091 8934
TIME...MOT...LOC 0844Z 269DEG 32KT 3123 8916 3092 8937

DL

Special weather statement, Apr 24, 4:27 AM CDT, 1 hour 56 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>

Local storm report, Apr 24, 5:16 AM CDT, 1 hour 7 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>

Local storm report, Apr 24, 5:37 AM CDT, 46 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 24, 6:23 AM CDT, 0 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 Jackson, MS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 23, 7:55 PM CDT	Severe Thunderstorm Warning	JAN	Adams, Jefferson	29 min
Apr 23, 8:39 PM CDT	Special Weather Statement	JAN	Adams	36 min
Apr 23, 9:08 PM CDT	Special Weather Statement	JAN	Marion	52 min
Apr 23, 9:14 PM CDT	Special Weather Statement	JAN	Franklin, Jefferson	46 min
Apr 23, 9:31 PM CDT	River Flood Warning	JAN	Jones	36 hr
Apr 23, 10:04 PM CDT	Special Weather Statement	JAN	Marion	26 min
Apr 23, 10:35 PM CDT	Special Weather Statement	JAN	Forrest, Lamar	55 min
Apr 24, 12:50 AM CDT	Special Weather Statement	JAN	Wilkinson	25 min
Apr 24, 12:55 AM CDT	Special Weather Statement	JAN	Forrest	50 min
Apr 24, 1:01 AM CDT	Severe Thunderstorm Warning	JAN	Forrest, Lamar	44 min
Apr 24, 1:30 AM CDT	Severe Thunderstorm Warning	JAN	Franklin, Lincoln	39 min
Apr 24, 1:43 AM CDT	Special Weather Statement	JAN	Jefferson Davis, Lawrence	62 min
Apr 24, 1:56 AM CDT	Severe Thunderstorm Warning	JAN	Covington, Jefferson Davis, Lawrence	64 min
Apr 24, 2:00 AM CDT	Special Weather Statement	JAN	Forrest	30 min
Apr 24, 2:05 AM CDT	Severe Thunderstorm Warning	JAN	Lawrence	25 min
Apr 24, 2:35 AM CDT	Special Weather Statement	JAN	Hinds, Rankin	55 min
Apr 24, 2:47 AM CDT	Severe Thunderstorm Warning	JAN	Jasper, Jones, Smith	47 min
Apr 24, 2:58 AM CDT	Severe Thunderstorm Warning	JAN	Hinds, Madison, Rankin, Scott, Smith	51 min
Apr 24, 3:44 AM CDT	Special Weather Statement	JAN	Forrest	31 min
Apr 24, 3:55 AM CDT	Severe Thunderstorm Warning	JAN	Forrest	6 min
Apr 24, 4:27 AM CDT	Special Weather Statement	JAN	Washington	48 min
Apr 24, 8:56 AM CDT	River Flood Warning	JAN	Leake	25 hr
Apr 24, 9:00 AM CDT	River Flood Warning	JAN	Lawrence	4 days
Apr 24, 9:00 AM CDT	River Flood Warning	JAN	Copiah, Simpson	3 days
Apr 24, 9:00 AM CDT	River Flood Warning	JAN	Marion	3 days
Apr 23, 7:20 PM CDT	Special Weather Statement	JAN	Catahoula, Concordia	40 min
Apr 23, 7:30 PM CDT	Severe Thunderstorm Warning	JAN	Catahoula, Concordia	45 min
Apr 23, 8:03 PM CDT	Special Weather Statement	JAN	Concordia	27 min
Apr 23, 9:35 PM CDT	Severe Thunderstorm Warning	JAN	Catahoula, Concordia	36 min
Apr 23, 11:38 PM CDT	Special Weather Statement	JAN	West Feliciana	22 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; radar from the NEXRAD Level II archive.