Alert archive / South Carolina / Special Weather Statements in 2013
Special Weather Statement, NWS Columbia, SC
NWS Columbia, SC issued this special weather statement at Aug 21, 2013, 2:00 PM EDT for 18 counties in South Carolina; 5 counties in Georgia. It was in force for 6 hr. 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 21, 2013, 2:00 PM EDT (18:00 UTC)
- Expired
- Aug 21, 2013, 8:00 PM EDT
- In force
- 6 hr
- Issued by
- NWS Columbia, SC
All 23 counties
Burke County, GA, Columbia County, GA, Lincoln County, GA, McDuffie County, GA, Richmond County, GA, Aiken County, SC, Bamberg County, SC, Barnwell County, SC, Calhoun County, SC, Chesterfield County, SC, Clarendon County, SC, Edgefield County, SC, Fairfield County, SC, Kershaw County, SC, Lancaster County, SC, Lee County, SC, Lexington County, SC, McCormick County, SC, Newberry County, SC, Orangeburg County, SC, Richland County, SC, Saluda County, SC, Sumter County, SC
The radar
The Columbia radar (KCAE), 12 km from the middle of the area, began a volume at 18:03 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, 6.0 hours before the alert went out and 271 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.
- Mixed-layer CAPE
- 1074 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 592 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 36 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</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 Columbia, SC wrote its last area forecast discussion before this special weather statement went out at Aug 20, 7:56 PM EDT, 18 hours 4 minutes earlier.
Area forecast discussion, Aug 20, 7:56 PM EDT, 18 hours 4 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.
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<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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</html>The office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 20, 8:46 PM EDT | Areal Flood Advisory | CAE | Fairfield, Lexington, Newberry, Richland | 59 min |
| Aug 21, 8:36 AM EDT | Special Weather Statement | CAE | Newberry, Saluda | 54 min |
| Aug 21, 9:25 AM EDT | Areal Flood Advisory | CAE | Lexington, Newberry, Richland, Saluda | 50 min |
| Aug 21, 11:25 AM EDT | River Flood Warning | CAE | Orangeburg | 40 hr |
| Aug 21, 3:53 PM EDT | Areal Flood Advisory | CAE | Chesterfield, Kershaw, Lancaster | 52 min |
| Aug 21, 6:18 PM EDT | Areal Flood Advisory | CAE | Kershaw, Lancaster | 57 min |
| Aug 21, 6:21 PM EDT | Areal Flood Advisory | CAE | Aiken, Lexington | 54 min |
Nearby
Special Weather Statements in South Carolina, 2013Special Weather Statements in Georgia, 2013Every special weather statement in 2013
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.