Alert archive / North Carolina / Flash Flood Warnings in 2024

Flash Flood Warning 73, NWS Greenville-Spartanburg, SC

September 26, 2024Iredell County, North Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Sep 26, 2024, 10:24 PM EDT for Iredell County, North Carolina. 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 counties it named.

The facts

Issued: Sep 26, 2024, 10:24 PM EDT (02:24 UTC)
Expired: Sep 27, 2024, 4:15 AM EDT
In force: 6 hr
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon
Flood severity: None

County Iredell County, NC

The radar

The Roanoke radar (KFCX), 146 km from the middle of the area, began a volume at 02:26 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 00:00Z, 2.4 hours before the alert went out and 93 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: 131 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 532 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 70 m²/s²
0-3 km storm-relative helicity: 333 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood warning 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 warning went out at Sep 26, 10:08 PM EDT, 16 minutes earlier.

Area forecast discussion, Sep 26, 10:08 PM EDT, 16 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

Local storm report, Sep 26, 8:52 PM EDT, 1 hour 32 minutes before

Preliminary Local Storm Report
National Weather Service Greenville-Spartanburg SC
852 PM EDT Thu Sep 26 2024

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0851 PM     Non-Tstm Wnd Dmg 3 ENE Millersville      35.88N 81.14W
09/26/2024                   Alexander          NC   Fire Dept/Rescue

            Tree on a house.

&&

Local storm report, Sep 26, 9:37 PM EDT, 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>

Local storm report, Sep 26, 9:38 PM EDT, 46 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>

Local storm report, Sep 26, 9:39 PM EDT, 45 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>

Local storm report, Sep 26, 9:45 PM EDT, 39 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>

Local storm report, Sep 26, 10:18 PM EDT, 6 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
Sep 26, 8:46 PM EDT	Flash Flood Warning Considerable damage threat	GSP	Buncombe, Burke, McDowell, Rutherford	9 hr
Sep 26, 9:02 PM EDT	Flash Flood Warning	GSP	Buncombe, Haywood, Jackson, Transylvania	6 hr
Sep 26, 9:06 PM EDT	Flash Flood Warning	GSP	Avery, Caldwell, McDowell, Mitchell, Yancey	7 hr
Sep 26, 9:28 PM EDT	Areal Flood Advisory	GSP	Cabarrus, Mecklenburg	7 hr
Sep 26, 11:12 PM EDT	Flash Flood Warning	GSP	Alexander	5 hr
Sep 27, 12:18 AM EDT	Flash Flood Warning	GSP	Burke	4 hr
Sep 27, 12:48 AM EDT	Flash Flood Warning	GSP	Jackson, Macon, Swain	3 hr
Sep 27, 3:11 AM EDT	Flash Flood Warning Considerable damage threat	GSP	Jackson, Macon	11 hr
Sep 27, 3:16 AM EDT	Flash Flood Warning Considerable damage threat	GSP	Buncombe, Haywood	5 hr
Sep 27, 3:18 AM EDT	Flash Flood Warning Considerable damage threat	GSP	Henderson, Polk, Transylvania	5 hr
Sep 27, 3:39 AM EDT	Flash Flood Warning Considerable damage threat	GSP	Graham, Swain	10 hr
Sep 27, 3:45 AM EDT	Flash Flood Warning Considerable damage threat	GSP	Rutherford	6 hr
Sep 27, 3:53 AM EDT	Flash Flood Warning Considerable damage threat	GSP	Avery, Madison, Mitchell, Yancey	7 hr
Sep 27, 4:01 AM EDT	Flash Flood Warning Considerable damage threat	GSP	Alexander, Caldwell	5 hr
Sep 27, 4:09 AM EDT	Flash Flood Warning EmergencyCatastrophic damage threat	GSP	Haywood	11 hr
Sep 27, 4:14 AM EDT	Flash Flood Warning Considerable damage threat	GSP	Burke, McDowell	6 hr
Sep 27, 4:35 AM EDT	Flash Flood Warning	GSP	Iredell	9 hr
Sep 27, 5:30 AM EDT	Flash Flood Warning EmergencyCatastrophic damage threat	GSP	Buncombe	8 hr
Sep 27, 5:46 AM EDT	Flash Flood Warning EmergencyCatastrophic damage threat	GSP	Avery, Mitchell	9 hr
Sep 27, 5:57 AM EDT	Flash Flood Warning	GSP	Cabarrus, Mecklenburg, Union	8 hr
Sep 27, 6:07 AM EDT	Flash Flood Warning	GSP	Catawba, Cleveland, Gaston, Lincoln, Rutherford	8 hr
Sep 27, 6:29 AM EDT	Flash Flood Warning EmergencyCatastrophic damage threat	GSP	Henderson, Polk, Rutherford	8 hr
Sep 27, 6:37 AM EDT	Flash Flood Warning EmergencyCatastrophic damage threat	GSP	Alexander, Burke, Caldwell, McDowell	13 hr
Sep 27, 6:52 AM EDT	Flash Flood Warning Considerable damage threat	GSP	Burke, McDowell	13 hr
Sep 27, 7:24 AM EDT	Flash Flood Warning EmergencyCatastrophic damage threat	GSP	Jackson, Transylvania	8 hr
Sep 27, 7:57 AM EDT	Flash Flood Warning EmergencyCatastrophic damage threat	GSP	Buncombe	6 hr
Sep 27, 8:50 AM EDT	Flash Flood Warning EmergencyCatastrophic damage threat	GSP	Yancey	8 hr
Sep 27, 9:02 AM EDT	Flash Flood Warning EmergencyCatastrophic damage threat	GSP	Madison	8 hr
Sep 27, 9:35 AM EDT	Flash Flood Warning EmergencyCatastrophic damage threat	GSP	Rutherford	15 hr
Sep 27, 12:05 PM EDT	Flash Flood Warning Considerable damage threat	GSP	Alexander, Catawba	104 min
Sep 27, 1:14 PM EDT	Flash Flood Warning Considerable damage threat	GSP	Burke, Caldwell	6 hr
Sep 27, 1:24 PM EDT	Areal Flood Advisory	GSP	Iredell	3 hr
Sep 27, 1:37 PM EDT	Areal Flood Warning	GSP	Buncombe	17 hr
Sep 27, 1:47 PM EDT	Flash Flood Warning EmergencyCatastrophic damage threat	GSP	Alexander, Catawba, Iredell	48 hr
Sep 27, 1:52 PM EDT	Areal Flood Warning	GSP	Graham, Swain	6 hr
Sep 27, 2:36 PM EDT	Areal Flood Warning	GSP	Avery, Mitchell	17 hr
Sep 27, 2:45 PM EDT	Areal Flood Warning	GSP	Burke, Henderson, Polk, Rutherford	19 hr
Sep 27, 2:54 PM EDT	Areal Flood Warning	GSP	Haywood	6 hr
Sep 27, 3:08 PM EDT	Areal Flood Warning	GSP	Jackson, Transylvania	5 hr
Sep 27, 4:33 PM EDT	Areal Flood Warning	GSP	Cabarrus	27 hr
Sep 27, 4:35 PM EDT	Areal Flood Warning	GSP	Yancey	15 hr
Sep 27, 4:45 PM EDT	Areal Flood Warning	GSP	Madison	13 hr
Sep 27, 6:09 PM EDT	Areal Flood Advisory	GSP	Macon, Swain	12 hr
Sep 27, 7:23 PM EDT	Flash Flood Warning EmergencyCatastrophic damage threat	GSP	Burke, Caldwell, McDowell	42 hr
Sep 26, 11:40 PM EDT	Flash Flood Warning	GSP	Abbeville, Greenwood, Laurens	14 hr
Sep 27, 12:28 AM EDT	Flash Flood Warning	GSP	Greenville, Oconee, Pickens	3 hr
Sep 27, 12:38 AM EDT	Flash Flood Warning	GSP	Oconee	4 hr
Sep 27, 1:05 AM EDT	Areal Flood Advisory	GSP	Cherokee, York	6 hr
Sep 27, 1:26 AM EDT	Areal Flood Advisory	GSP	York	6 hr
Sep 27, 1:57 AM EDT	Flash Flood Warning	GSP	Spartanburg	2 hr
Sep 27, 2:57 AM EDT	Flash Flood Warning	GSP	Chester, Union	11 hr
Sep 27, 3:02 AM EDT	Flash Flood Warning	GSP	Cherokee, York	13 hr
Sep 27, 3:39 AM EDT	Flash Flood Warning EmergencyConsiderable damage threat	GSP	Oconee, Pickens	13 hr
Sep 27, 3:45 AM EDT	Flash Flood Warning Considerable damage threat	GSP	Greenville, Spartanburg	6 hr
Sep 27, 7:47 AM EDT	Flash Flood Warning EmergencyCatastrophic damage threat	GSP	Greenville, Spartanburg	8 hr
Sep 27, 1:46 PM EDT	Areal Flood Warning	GSP	Abbeville, Greenwood, Laurens	19 hr
Sep 27, 3:19 PM EDT	Areal Flood Warning	GSP	Greenville, Spartanburg	15 hr
Sep 27, 4:15 PM EDT	Areal Flood Warning	GSP	Oconee, Pickens	19 hr
Sep 27, 4:45 PM EDT	Areal Flood Warning	GSP	York	21 hr
Sep 27, 3:16 AM EDT	Flash Flood Warning	GSP	Elbert, Franklin, Hart, Stephens	11 hr
Sep 27, 4:08 AM EDT	Flash Flood Warning Considerable damage threat	GSP	Habersham, Rabun	12 hr
Sep 27, 3:56 PM EDT	Areal Flood Warning	GSP	Habersham, Rabun	12 hr
Sep 27, 6:19 PM EDT	Areal Flood Advisory	GSP	Elbert	24 hr

Nearby

Flash Flood Warnings in North Carolina, 2024 Every flash flood warning in 2024

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.