Alert archive / South Carolina / Special Weather Statements in 2012

Special Weather Statement, NWS Wilmington, NC

July 29, 2012Georgetown County, South Carolina

NWS Wilmington, NC issued this special weather statement at Jul 29, 2012, 2:32 PM EDT for Georgetown County, South Carolina. It was in force for 58 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: Jul 29, 2012, 2:32 PM EDT (18:32 UTC)
Expired: Jul 29, 2012, 3:30 PM EDT
In force: 58 min
Issued by: NWS Wilmington, NC

County Georgetown County, SC

The radar

The Wilmington radar (KLTX), 112 km from the middle of the area, began a volume at 18:33 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

Charleston AFB, SC (KCHS), launched 12:00Z, 6.5 hours before the alert went out and 82 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: 2597 J/kg
Mixed-layer CIN: -47 J/kg
Mixed-layer LCL: 738 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 63 m²/s²
0-3 km storm-relative helicity: 38 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

<!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 Jul 29, 2:32 PM EDT, 0 minutes earlier.

Area forecast discussion, Jul 29, 2:32 PM EDT, 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>

Hazardous weather outlook, Jul 29, 5:41 AM EDT, 8 hours 51 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, Jul 29, 2:32 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
232 PM EDT SUN JUL 29 2012

SCZ056-291930-
COASTAL GEORGETOWN-
232 PM EDT SUN JUL 29 2012

...A STRONG THUNDERSTORM WILL MOVE ACROSS GEORGETOWN COUNTY THROUGH
330 PM EDT...

AT 232 PM EDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER
SOUTHEASTERN GEORGETOWN COUNTY...OR ABOUT 10 MILES SOUTHEAST OF
GEORGETOWN...MOVING EAST AT 15 MPH.

SOME LOCATIONS IMPACTED INCLUDE.

HAZARDS INCLUDE...
PEA SIZE HAIL.
GUSTY WINDS OF 30 TO 40 MPH.
AN EXCESSIVE AMOUNT OF CLOUD TO GROUND LIGHTNING.

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 STORMS PASS.

&&

LAT...LON 3316 7926 3334 7927 3335 7915 3325 7918
      3320 7917 3317 7919 3315 7921
TIME...MOT...LOC 1832Z 268DEG 11KT 3325 7916

ZOUZIAS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 28, 9:42 PM EDT	Special Weather Statement	ILM	Marlboro	33 min
Jul 28, 10:42 PM EDT	Special Weather Statement	ILM	Marlboro	33 min
Jul 28, 11:18 PM EDT	Special Weather Statement	ILM	Marlboro	27 min
Jul 29, 12:13 AM EDT	Special Weather Statement	ILM	Darlington	47 min
Jul 29, 12:59 AM EDT	Special Weather Statement	ILM	Darlington, Florence	61 min
Jul 29, 3:07 PM EDT	Special Weather Statement	ILM	Marion	53 min
Jul 29, 3:36 PM EDT	Special Weather Statement	ILM	Georgetown	54 min
Jul 29, 3:48 PM EDT	Special Weather Statement	ILM	Horry	57 min
Jul 29, 4:14 PM EDT	Areal Flood Advisory	ILM	Georgetown, Horry, Marion	91 min
Jul 29, 4:14 PM EDT	Severe Thunderstorm Warning	ILM	Horry	61 min
Jul 29, 5:01 PM EDT	Special Weather Statement	ILM	Williamsburg	59 min
Jul 29, 5:21 PM EDT	Severe Thunderstorm Warning	ILM	Florence	54 min
Jul 29, 5:31 PM EDT	Special Weather Statement	ILM	Dillon	59 min
Jul 29, 4:19 PM EDT	Special Weather Statement	ILM	New Hanover	41 min
Jul 29, 4:43 PM EDT	Areal Flood Advisory	ILM	Brunswick	56 min
Jul 29, 4:54 PM EDT	Special Weather Statement	ILM	New Hanover	66 min
Jul 29, 4:59 PM EDT	Areal Flood Advisory	ILM	New Hanover	36 min
Jul 29, 5:57 PM EDT	Special Weather Statement	ILM	Brunswick	63 min
Jul 29, 6:27 PM EDT	Special Weather Statement	ILM	Pender	63 min
Jul 29, 7:26 PM EDT	Special Weather Statement	ILM	Bladen	64 min

Nearby

Special Weather Statements in South Carolina, 2012 Every special weather statement in 2012

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.