Alert archive / South Carolina / Special Weather Statements in 2018

Special Weather Statement, NWS Wilmington, NC

August 8, 2018Marlboro County, South Carolina

NWS Wilmington, NC issued this special weather statement at Aug 8, 2018, 5:32 PM EDT for Marlboro County, South Carolina. 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: Aug 8, 2018, 5:32 PM EDT (21:32 UTC)
Expired: Aug 8, 2018, 6:15 PM EDT
In force: 43 min
Issued by: NWS Wilmington, NC

County Marlboro County, SC

The radar

The Wilmington radar (KLTX), 144 km from the middle of the area, began a volume at 21:33 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.5 hours before the alert went out and 160 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: 739 J/kg
Mixed-layer CIN: -85 J/kg
Mixed-layer LCL: 1174 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: -43 m²/s²
0-3 km storm-relative helicity: -28 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 Wilmington, NC wrote its last area forecast discussion before this special weather statement went out at Aug 8, 3:38 PM EDT, 1 hour 54 minutes earlier.

Area forecast discussion, Aug 8, 3:38 PM EDT, 1 hour 54 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, Aug 8, 3:45 PM EDT, 1 hour 47 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, Aug 8, 4:17 PM EDT, 1 hour 15 minutes before

Special Weather Statement
National Weather Service Wilmington NC
417 PM EDT WED AUG 8 2018

NCZ087-SCZ024-082115-
Robeson NC-Dillon SC-
417 PM EDT WED AUG 8 2018

...SPECIAL WEATHER STATEMENT...

At 417 PM EDT, Doppler radar was tracking a strong thunderstorm near
Raemon, or 10 miles south of Laurinburg, moving east at 15 mph.

Half inch hail and winds in excess of 30 mph will be possible with
this storm.

Locations impacted include...
Pembroke, Fairmont, Rowland, Raemon, South Of The Border, Purvis,
Elrod, Hamer, Mcdonald and Raynham.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Thunderstorms can pose a variety of threats including gusty winds,
small hail, cloud to ground lightning, and localized flooding. It is
recommended that you remain indoors until the storm passes.

&&

LAT...LON 3469 7905 3442 7912 3453 7950 3462 7945
      3463 7946 3464 7946 3471 7939
TIME...MOT...LOC 2017Z 281DEG 12KT 3462 7944

MBB

Special weather statement, Aug 8, 5:32 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service Wilmington NC
532 PM EDT WED AUG 8 2018

SCZ017-082215-
Marlboro SC-
532 PM EDT WED AUG 8 2018

...SPECIAL WEATHER STATEMENT FOR NORTHERN MARLBORO COUNTY UNTIL 615
PM EDT...

At 532 PM EDT, Doppler radar was tracking a strong thunderstorm near
Chavistown, or near Bennettsville, moving east at 15 mph.

Half inch hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Bennettsville, Chavistown, Wallace, Dunbar and Tatum.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Thunderstorms can pose a variety of threats including gusty winds,
small hail, cloud to ground lightning, and localized flooding. It is
recommended that you remain indoors until the storm passes.

&&

LAT...LON 3481 7968 3477 7963 3453 7955 3451 7975
      3452 7976 3451 7977 3450 7983 3453 7983
      3460 7981 3461 7980 3461 7978 3464 7980
      3465 7980 3466 7982 3466 7983 3468 7986
      3474 7989 3476 7992 3481 7979
TIME...MOT...LOC 2132Z 255DEG 14KT 3462 7980

MBB

The office that day

Everything else NWS Wilmington, NC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 8, 1:30 AM EDT	Special Weather Statement	ILM	Bladen	60 min
Aug 8, 2:14 AM EDT	Special Weather Statement	ILM	Bladen	61 min
Aug 8, 4:13 AM EDT	Heat Advisory	ILM	Brunswick, Columbus, New Hanover, Pender	15 hr
Aug 8, 4:17 PM EDT	Special Weather Statement	ILM	Robeson	58 min

Nearby

Special Weather Statements in South Carolina, 2018 Every special weather statement in 2018

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.