Alert archive / South Carolina / Flash Flood Warnings in 1994

Flash Flood Warning 10, NWS Charleston, SC

October 13, 1994Georgetown County, Williamsburg County, South Carolina

NWS Charleston, SC issued this flash flood warning at Oct 13, 1994, 5:31 PM EDT for Georgetown County, Williamsburg County, South Carolina. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued: Oct 13, 1994, 5:31 PM EDT (21:31 UTC)
Expired: Oct 13, 1994, 10:30 PM EDT
In force: 5 hr
Issued by: NWS Charleston, SC
Area: Whole counties

Counties Georgetown County, SC, Williamsburg County, SC

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 9.5 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 565 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 261 m²/s²
0-3 km storm-relative helicity: 392 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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.

In the hours before

Local storm report, Oct 13, 11:41 AM EDT, 5 hours 50 minutes before

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Local storm report, Oct 13, 12:52 PM EDT, 4 hours 39 minutes before

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<head>
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</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.
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      <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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Local storm report, Oct 13, 3:36 PM EDT, 1 hour 55 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 Charleston, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 12, 9:58 PM EDT	Flash Flood Warning	CHS	Beaufort	8 hr
Oct 12, 9:58 PM EDT	Flash Flood Warning	CHS	Jasper	8 hr
Oct 13, 7:09 AM EDT	Flash Flood Warning	CHS	Jasper	4 hr
Oct 13, 7:09 AM EDT	Flash Flood Warning	CHS	Beaufort	4 hr
Oct 13, 9:39 AM EDT	Flash Flood Warning	CHS	Berkeley, Charleston, Dorchester	3 hr
Oct 13, 11:18 AM EDT	Flash Flood Warning	CHS	Georgetown, Williamsburg	3 hr
Oct 13, 2:21 PM EDT	Flash Flood Warning	CHS	Georgetown, Williamsburg	3 hr
Oct 13, 2:21 PM EDT	Flash Flood Warning	CHS	Horry	3 hr
Oct 13, 5:31 PM EDT	Flash Flood Warning	CHS	Horry	5 hr

Nearby

Flash Flood Warnings in South Carolina, 1994 Every flash flood warning in 1994

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.