Alert archive / North Carolina / Flash Flood Watches in 2013

Flash Flood Watch 5, NWS Greenville-Spartanburg, SC

June 30, 201328 counties in North Carolina; 8 counties in South Carolina; 6 counties in Georgia

NWS Greenville-Spartanburg, SC issued this flash flood watch at Jun 30, 2013, 3:24 PM EDT for 28 counties in North Carolina; 8 counties in South Carolina; 6 counties in Georgia. It was in force for 7 days.

The area

The counties it named.

The facts

Issued: Jun 30, 2013, 3:24 PM EDT (19:24 UTC)
Expired: Jul 7, 2013, 10:23 PM EDT
In force: 7 days
Issued by: NWS Greenville-Spartanburg, SC
Flood severity: None

All 42 counties

Elbert County, GA, Franklin County, GA, Habersham County, GA, Hart County, GA, Rabun County, GA, Stephens County, GA, Alexander County, NC, Avery County, NC, Buncombe County, NC, Burke County, NC, Cabarrus County, NC, Caldwell County, NC, Catawba County, NC, Cleveland County, NC, Davie County, NC, Gaston County, NC, Graham County, NC, Haywood County, NC, Henderson County, NC, Iredell County, NC, Jackson County, NC, Lincoln County, NC, Macon County, NC, Madison County, NC, McDowell County, NC, Mecklenburg County, NC, Mitchell County, NC, Polk County, NC, Rowan County, NC, Rutherford County, NC, Swain County, NC, Transylvania County, NC, Union County, NC, Yancey County, NC, Abbeville County, SC, Anderson County, SC, Cherokee County, SC, Chester County, SC, Greenwood County, SC, Laurens County, SC, Union County, SC, York County, SC

The radar

The Greer radar (KGSP), 40 km from the middle of the area, began a volume at 19:27 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, 7.4 hours before the alert went out and 219 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: 893 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 554 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 6 m²/s²
0-3 km storm-relative helicity: 79 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Greenville-Spartanburg, SC wrote its last area forecast discussion before this flash flood watch went out at Jun 30, 2:56 PM EDT, 28 minutes earlier.

Area forecast discussion, Jun 30, 2:56 PM EDT, 28 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, Jun 30, 5:46 AM EDT, 9 hours 38 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 Greenville-Spartanburg, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 29, 8:16 PM EDT	Special Weather Statement	GSP	Union	59 min
Jun 29, 8:31 PM EDT	Special Weather Statement	GSP	Catawba	59 min
Jun 29, 9:47 PM EDT	Special Weather Statement	GSP	Alexander, Catawba, Iredell	58 min
Jun 29, 10:03 PM EDT	Severe Thunderstorm Warning	GSP	Alexander, Catawba, Iredell	57 min
Jun 29, 10:33 PM EDT	Special Weather Statement	GSP	Catawba	42 min
Jun 30, 4:43 PM EDT	Special Weather Statement	GSP	Cabarrus, Mecklenburg	47 min
Jun 30, 5:26 PM EDT	Special Weather Statement	GSP	Mecklenburg	49 min
Jun 30, 5:30 PM EDT	Special Weather Statement	GSP	Rowan	45 min
Jun 30, 6:06 PM EDT	Special Weather Statement	GSP	Union	39 min
Jun 30, 6:07 PM EDT	Areal Flood Advisory	GSP	Iredell	3 hr
Jun 30, 6:34 PM EDT	Special Weather Statement	GSP	Union	41 min
Jun 30, 4:27 PM EDT	Areal Flood Advisory	GSP	Chester, Union, York	3 hr

Nearby

Flash Flood Watches in North Carolina, 2013 Flash Flood Watches in South Carolina, 2013 Flash Flood Watches in Georgia, 2013 Every flash flood watch 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.