Alert archive / Mississippi / Special Weather Statements in 2020

Special Weather Statement, NWS Mobile, AL

June 5, 2020Perry County, Mississippi

NWS Mobile, AL issued this special weather statement at Jun 5, 2020, 6:29 PM CDT for Perry County, Mississippi. It was in force for 46 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 5, 2020, 6:29 PM CDT (23:29 UTC)
Expired: Jun 5, 2020, 7:15 PM CDT
In force: 46 min
Issued by: NWS Mobile, AL

County Perry County, MS

The radar

The Mobile radar (KMOB), 88 km from the middle of the area, began a volume at 23:30 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

Slidell Radar S, LA (KSIL), launched 12:00Z, 11.5 hours before the alert went out and 98 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: 253 J/kg
Mixed-layer CIN: -62 J/kg
Mixed-layer LCL: 952 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: -5 m²/s²
0-3 km storm-relative helicity: -12 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Mobile, AL wrote its last area forecast discussion before this special weather statement went out at Jun 5, 5:35 PM CDT, 54 minutes earlier.

Area forecast discussion, Jun 5, 5:35 PM CDT, 54 minutes before

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<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>
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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In the hours before

Special weather statement, Jun 5, 6:19 PM CDT, 10 minutes before

Special Weather Statement
National Weather Service Mobile AL
619 PM CDT Fri Jun 5 2020

ALZ056-060000-
Conecuh AL-
619 PM CDT Fri Jun 5 2020

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...
SOUTHEASTERN CONECUH COUNTY UNTIL 700 PM CDT...

At 619 PM CDT, the strong thunderstorm was located 12 miles east of
Castleberry, or 13 miles southeast of Evergreen, moving north at 10
mph.

Wind gusts of 40 to 50 mph will be possible with this storm.

This storm will remain over mainly rural areas of southeastern
Conecuh County.

LAT...LON 3123 8677 3126 8677 3126 8687 3140 8703
      3149 8673 3124 8671
TIME...MOT...LOC 2319Z 160DEG 7KT 3128 8681

Special weather statement, Jun 5, 6:29 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service Mobile AL
629 PM CDT Fri Jun 5 2020

MSZ075-078-060015-
Stone MS-Perry MS-
629 PM CDT Fri Jun 5 2020

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...
SOUTHWESTERN PERRY AND NORTH CENTRAL STONE COUNTIES UNTIL 715 PM
CDT...

At 629 PM CDT, the strong thunderstorm was located 6 miles northeast
of Wiggins, moving north at 10 mph.

Wind gusts of 40 to 50 mph will be possible with this storm.

This storm will remain over mainly rural areas of southwestern Perry
and north central Stone Counties.

LAT...LON 3091 8914 3108 8915 3114 8901 3090 8899
      3087 8910 3091 8915
TIME...MOT...LOC 2329Z 164DEG 8KT 3094 8907

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 5, 10:17 AM CDT	Tropical Storm Watch	MOB	Baldwin, Mobile	6 hr
Jun 5, 4:06 PM CDT	Flash Flood Watch	MOB	Baldwin, Choctaw, Clarke, Mobile, Washington	3 days
Jun 5, 4:17 PM CDT	Tropical Storm Warning	MOB	Baldwin, Mobile	60 hr
Jun 5, 4:20 PM CDT	Coastal Flood Advisory	MOB	Baldwin, Mobile	4 days
Jun 5, 4:20 PM CDT	High Surf Warning	MOB	Baldwin, Mobile	70 hr
Jun 5, 4:36 PM CDT	Small Craft Advisory	MOB		3 days
Jun 5, 6:19 PM CDT	Special Weather Statement	MOB	Conecuh	41 min

Nearby

Special Weather Statements in Mississippi, 2020 Every special weather statement in 2020

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.